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1. Search for squarks and gluinos in events containing jets and a large imbalance in transverse energy

Author: V. V. Babintsev, Jianming Qian, G. Briskin, Tong Hu, T. Mc Mahon, T. Joffe-Minor, H. E. Fisk, Z. Zhou, J. Solomon, P. Padley, Alexey Volkov, C. Klopfenstein, G. Wang, Alberto Santoro, B. May, Seong Keun Kim, J. Mc Donald, T. Fahland, James H Cochran, Mitchell Wayne, D. Shpakov, M. Abolins, H. Schellman, J. M. Kohli, B. G. Pope, L. Magaña-Mendoza, D. Buchholz, P. Hanlet, Stefan Grünendahl, D. Coppage, J. Thompson, Elizabeth Gallas, F. Lobkowicz, E. Flattum, B. Gobbi, P. Tamburello, P. Mooney, Elizaveta Shabalina, B. Gómez, Z. H. Zhu, F. Borcherding, M. Merkin, C. S. Mishra, Anurag Gupta, S. Feher, B. Baldin, N. Amos, B. Gibbard, T. Rockwell, Iain Alexander Bertram, Robert Hirosky, S. Chopra, N. K. Mondal, Anna Goussiou, Shashikant Dugad, Michael Rijssenbeek, D. Edmunds, Emanuela Barberis, H. T. Diehl, H. Singh, S. Reucroft, J. T. White, E. Smith, C. Cretsinger, N.V. Mokhov, Jasvinder A. Singh, Y. Ducros, C. Yoshikawa, Alexander Leflat, Bobby Samir Acharya, H. A. Neal, J. Sculli, G. E. Forden, M. Strovink, A. Boehnlein, L. T. Goss, G. Guglielmo, R. Hernández-Montoya, H. C. Shankar, J. T. Linnemann, Andre Sznajder, T. Yasuda, M. Bhattacharjee, A. P. Heinson, B. Zhang, Gregory R Snow, Raymond Brock, Boaz Klima, A. Zieminski, Miguel Mostafa, M. D. Peters, V. N. Evdokimov, M. Sosebee, J. Ellison, N. Sotnikova, M. M. Baarmand, J. Krane, D. Norman, D.S. Koltick, Y. Pischalnikov, Ulrich Heintz, K. Yip, Sarah Catherine Eno, R. E. Hall, J. L. González Solís, Andrew White, K. A. Johns, L. Babukhadia, H. Jöstlein, Howard Gordon, R. Jesik, Sergey Kuleshov, Nikos Varelas, H. Haggerty, R. K. Shivpuri, Vasken Hagopian, K. C. Frame, Gilvan Alves, Z. Casilum, C. Murphy, O. Ramirez, S. Willis, P. Grudberg, Sharon Hagopian, H. Weerts, L. Oesch, E. W. Anderson, T. Heuring, T. Mc Kibben, A. K.A. Maciel, Victor Daniel Elvira, Neeti Parashar, Jinhong Yu, F. Nang, C. K. Jung, A. L. Lyon, Shuichi Kunori, S. Krzywdzinski, Q. Z. Li, Allan G Clark, A. N. Galyaev, Lev Dudko, Richard Breedon, John Hobbs, M. Diesburg, D. Owen, P. Bloom, J. A. Wightman, V. Vaniev, J. Tarazi, S. P. Denisov, J. Bantly, M. Fortner, A.S. Dyshkant, M. Tartaglia, P. Gartung, A. Zylberstejn, R. J. Madaras, M. H.G. Souza, J. Perkins, M. Zielinski, N. I. Bojko, Young-Sang Yu, W. Y. Chen, G. Gutierrez, S. Y. Jun, T. L.T. Thomas, K. S. Hahn, S. A. Jerger, D. Cutts, Y. Gershtein, H. Greenlee, Kaushik De, Allen Mincer, M. R. Krishnaswamy, W. E. Cooper, P. Yepes, H. E. Montgomery, J. V.D. Wirjawan, Wagner Carvalho, R. Piegaia, R. Snihur, F. Hsieh, N. Parua, V.V. Abramov, Sebastian Grinstein, A. Bross, Daniel R Claes, W. G. Cobau, M. I. Martin, Greg Landsberg, M. L. Stevenson, A. Para, George R. Kalbfleisch, R. J. Genik, Matthew Jones, J. Jaques, Y. Kulik, Serban Protopopescu, Michael A. Strauss, T. L. Geld, J. S. Hoftun, K. Davis, J. N. Butler, Heriberto Castilla-Valdez, S. N. Gurzhiev, Sergey Chekulaev, P. I. Goncharov, A. V. Kostritskiy, V. S. Narasimham, D. P. Stoker, C. Boswell, C. Miao, Ron Lipton, J. M. Guida, M. Paterno, D. Fein, P. D. Grannis, Alexander Belyaev, Sissel Hansen, H. Piekarz, Arnaud Lucotte, V. Oguri, J. Womersley, Thomas G Trippe, Suman Bala Beri, Don Lincoln, Stephen Wimpenny, I. Adam, P. Rubinov, A. Baden, Erich Varnes, Philip Baringer, Daniel John Karmgard, D. Hedin, G. C. Blazey, Viatcheslav Stolin, C. Hebert, Dhiman Chakraborty, R. Yamada, K. W. Merritt, S. Youssef, S. Choi, T. Marshall, S. Banerjee, K. M. Mauritz, H. D. Wahl, L. Coney, S. H. Ahn, Randy Ruchti, D. Karmanov, J. Warchol, V. A. Bezzubov, Jing Li, Peter Nemethy, Orin I. Dahl, F. Landry, John Rutherfoord, Darien Wood, J. F. Bartlett, V. Manankov, Winston Ko, A. A. Mayorov, A. Sanchez-Hernandez, Robert Kehoe, D. A. Stoyanova, Nicholas John Hadley, S. Fuess, P.F. Ermolov, Brajesh C Choudhary, Mary Beth Adams, J. P. Negret, S. Blessing, R. P. Smith, Andrew Brandt, R. Engelmann, M. Roco, G. Eppley, Scott Snyder, Z. Wu, Gervasio Gomez, Joan A. Guida, R. Markeloff, M. K. Fatyga, G. Steinbrück, Michael Shupe, Vladimir Gavrilov, Y. Fisyak, Gordon Watts, R. Mc Carthy, E. A. Kozlovsky, V. S. Burtovoi, Eunil Won, Rajendran Raja, M. Chung, J. Mc Kinley, V. Sirotenko, O. V. Eroshin, G. Di Loreto, H.E. Miettinen, H. da Motta, Marvin Johnson, J. G.R. Lima, J. Snow, C. Shaffer, D. Cullen-Vidal, K. Genser, Phillip Gutierrez, Brad Abbott, N. N. Biswas, A. V. Kotwal, Harrison Prosper, D. Denisov, A. V. Kozelov, A. S. Ito, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, E. G. Zverev, Pm Tuts, L. Lueking, F. Stichelbaut, Meenakshi Narain, A. Narayanan, K. Del Signore, R. W. Stephens, P. Yamin, S. Mani, R. Madden, Peter W. Draper, Pushpalatha C Bhat, K. Gounder, B. Lauer, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Y. M. Park, S.A. Kahn, M. Demarteau, A. Jonckheere, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, R. D. Schamberger, K. Streets, Vipin Bhatnagar, R. Partridge, H. S. Mao, D. L. Adams, B. Pawlik, D. Casey, J. Kotcher, N. Graf, H. L. Melanson, P. Z. Quintas, J. H. Christenson, J. M. Hauptman, and Cecilia Elena Gerber
Subjects: Physics, Particle physics, Gluino, Supergravity, Physics::Medical Physics, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, FOS: Physical sciences, Supersymmetry, Gluon, Luminosity, Standard Model, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics::Experiment, Nuclear Experiment, Energy (signal processing)
Abstract: Using data corresponding to an integrated luminosity of 79 pb-1, D0 has searched for events containing multiple jets and large missing transverse energy in pbar-p collisions at sqrt(s)=1.8 TeV at the Fermilab Tevatron collider. Observing no significant excess beyond what is expected from the standard model, we set limits on the masses of squarks and gluinos and on the model parameters m_0 and m_1/2, in the framework of the minimal low-energy supergravity models of supersymmetry. For tan(beta) = 2 and A_0 = 0, with mu < 0, we exclude all models with m_squark < 250 GeV/c^2. For models with equal squark and gluino masses, we exclude m < 260 GeV/c^2., 10 pages, 3 figures, Submitted to PRL, Fixed typo on page bottom of p. 6 (QCD multijet background is 35.4 events)
Published: 2016

2. Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV

Author: R. Van Kooten, Wendy Taylor, A. Patwa, S. Fu, P. Demine, A. Zieminski, Q. Xu, J. Huang, R. A. Sidwell, Alexander Khanov, U. Bassler, A. N. Galyaev, Stephen Wimpenny, G. Steinbrück, Rajendran Raja, H. Zheng, Brad Abbott, Pierre Petroff, S. Fuess, Roger Moore, Zeno Dixon Greenwood, K. W. Merritt, Vladimir Gavrilov, Gordon Watts, D. Coppage, V. Sirotenko, D. K. Cho, Y. Arnoud, R. Illingworth, Regina Demina, T. C. Bacon, E. W. Anderson, M. Buehler, J. F. Bartlett, A. Besson, N. A. Naumann, F. Borcherding, L. Lueking, Bobby Samir Acharya, H. A. Neal, J. T. Linnemann, V. M. Abazov, V. Sorín, O. V. Eroshin, Y. Song, Phillip Gutierrez, T. Marshall, W. E. Cooper, K. Yip, S. Duensing, V. Oguri, Ulrich Heintz, D. Fein, D. Chakraborty, S. Chopra, Don Lincoln, Q. Z. Li, P. W. Balm, V. Manankov, M. Abolins, S. Reucroft, D. P. Stoker, Gustaaf Brooijmans, H. Jöstlein, Darien Wood, G. Sajot, P. Yamin, Frank Filthaut, A. Stone, Daniel John Karmgard, Elemer Nagy, N. R. Stanton, S. N. Ahmed, M. Fortner, L. Stutte, N. W. Reay, R. L. McCarthy, H. L. Melanson, N. Parua, V.V. Abramov, M. Jaffré, Arnaud Duperrin, Alberto Santoro, M. Diesburg, Nicholas John Hadley, C. Hebert, Sebastian Grinstein, N. K. Mondal, J. Warchol, H. T. Diehl, T. A. Bolton, C. Han, A.S. Dyshkant, Arnaud Lucotte, Jong-Sung Yu, Alexander Kupco, G. D. Alexeev, Flera Rizatdinova, D. Whiteson, A. V. Kostritskiy, D. Mihalcea, W. Kahl, A. Boehnlein, M. Bhattacharjee, S. Blessing, P. Rubinov, K. Gounder, Sissel Hansen, David H. Adams, Alice Bean, P. M. Tuts, V. E. Kuznetsov, Sarah Catherine Eno, T. Rockwell, Iain Alexander Bertram, H. E. Fisk, Scott Snyder, F. Fleuret, M. Merkin, Randy Ruchti, M. A. Strang, Jing Li, Ariel Schwartzman, Melissa Ridel, F. Canelli, R. Kehoe, D. A. Stoyanova, A. S. Turcot, Michael Rijssenbeek, S. N. Gurzhiev, T. G. Trippe, Z. Zhou, J. Solomon, L. Duflot, M. Strovink, Emanuela Barberis, Robert Hirosky, Volker Buescher, Shuichi Kunori, Raymond Brock, Boaz Klima, Elizabeth Gallas, T. McMahon, R. Beuselinck, F. Nang, Vasken Hagopian, Christophe Royon, A. M. Kalinin, G. Eppley, Heriberto Castilla-Valdez, V. Vaniev, Richard B. Lipton, H. Weerts, N.V. Mokhov, Z. M. Wang, M. I. Martin, J. Ellison, A. K.A. Maciel, Sa. Jain, A. Abdesselam, V. Simak, A. Leflat, H. da Motta, S. Willis, M. Gao, Sharon Hagopian, Lev Dudko, F. Villeneuve-Seguier, A. P. Heinson, Pushpalatha C Bhat, P. Padley, G. Gutierrez, Gilvan Alves, J. G.R. Lima, D. Cutts, C. Luo, D. Casey, J. Kotcher, Alexey Volkov, J. M. Hauptman, Cecilia Elena Gerber, H. D. Wahl, D. Bauer, V. S. Narasimham, L. Groer, Wagner Carvalho, Mitchell Wayne, Sujogya Banerjee, Greg Landsberg, Harald Fox, Viatcheslav Stolin, H. Schellman, J. M. Kohli, K. Papageorgiou, V. V. Babintsev, G. Ginther, V. N. Evdokimov, R. E. Hall, M. Zanabria, M. H.G. Souza, A. S. Ito, Tulika Bose, N. Graf, Michael Begel, Stefan Grünendahl, Jianming Qian, J. T. Eltzroth, M. A.C. Cummings, A. A. Mayorov, L. Coney, B. Hoeneisen, Y. D. Mutaf, S. Tentindo-Repond, Vipin Bhatnagar, Andrew White, Mossadek Talby, B. Gómez, P. I. Goncharov, H. E. Montgomery, Lee Sawyer, C. Lundstedt, Carlos Avila, J. Snow, H. Haggerty, K. Soustruznik, Christos Leonidopoulos, Yu-tin Huang, S. Krzywdzinski, R. Partridge, X. Zhang, Shashikant Dugad, K. Genser, G. Briskin, Jeffrey F. Krane, R. Jesik, Sabine Crépé-Renaudin, Philip Baringer, A. Baden, G. C. Blazey, J. Womersley, A. Goussiou, S. Baffioni, K. A. Johns, C. Miao, B. Olivier, R. Yamada, V. L. Malyshev, Nikos Varelas, B. M. Sabirov, Andrei Nomerotski, Bing Zhou, E. G. Zverev, H. S. Mao, B. G. Pope, D. Karmanov, R. K. Shivpuri, John Hobbs, S. J. De Jong, S.A. Kahn, M. B. Przybycien, A. Zylberstejn, F. Lehner, D. R. Claes, Ia Iashvili, J. Barreto, B. Kothari, T. Yasuda, M. Demarteau, Mary Beth Adams, S. Doulas, D. Buchholz, Howard Gordon, Elizaveta Shabalina, Kaushik De, R. Piegaia, H. Greenlee, James C. Green, Neeti Parashar, Florian Beaudette, Marvin Johnson, P. A. Rapidis, M. Zielinski, A. Jonckheere, A. V. Kozelov, S. M. Tripathi, E. Kajfasz, Alexander Belyaev, Suyong Choi, A. P. Vorobiev, Stephan Linn, S. P. Denisov, Gregory R Snow, D. Hedin, Patrick Slattery, A. Bross, O. Peters, N. Oshima, Meenakshi Narain, K. M. Mauritz, P.F. Ermolov, Daria Zieminska, M. R. Krishnaswamy, R. D. Schamberger, V. S. Burtovoi, A. R. Clark, N. Sotnikova, M. A. Kubantsev, R. J. Genik, Sergey Chekulaev, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, R. J. Madaras, G. A. Davis, Serban Protopopescu, V. A. Bezzubov, J. P. Negret, M. Sosebee, A. Alton, R. P. Smith, Freya Blekman, Andrew Brandt, R. Engelmann, Michael Shupe, E. A. Kozlovsky, H.E. Miettinen, Michael Hildreth, J. Estrada, K. M. Chan, Y. A. Yatsunenko, Harrison Prosper, S. Desai, T. Nunnemann, B. Baldin, W. M. Lee, A. Kharchilava, Sergey Kuleshov, Victor Daniel Elvira, V. Zutshi, D. Shpakov, N. I. Bojko, D. O'Neil, J. N. Butler, P. D. Grannis, Michael A. Strauss, Y. Kulik, Suman Bala Beri, A. Juste, B. Connolly, D. A. Wijngaarden, K. Bos, D. Edmunds, Andre Sznajder, Yuri Gershtein, P. Krivkova, and L. Babukhadia
Subjects: Physics, Diffraction, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Scattering, Detector, Sigma, HERA, 01 natural sciences, Nuclear physics, W and Z bosons, biological sciences, 0103 physical sciences, bacteria, Rapidity, 010306 general physics, Boson
Abstract: Using the DO detector, we have observed events produced in (p) over barp collisions that contain W or Z bosons in conjunction with very little energy deposition ("rapidity gaps") in large forward regions of the detector. The fraction of W boson events with a rapidity gap (a signature for diffraction) is 0.89 +/- (0.19)(0.17)% and the probability that the non-diffractive background fluctuated to yield the observed diffractive signal is 3 x 10(-14), corresponding to a significance of 7.5 sigma. The Z boson sample has a gap fraction of 1.44 +/- (0.61)(0.52)%, with a significance of 4.4 sigma. The diffractive events have very similar properties to the more common non-diffractive component. (C) 2003 Elsevier B.V. All rights reserved.
Published: 2016

3. Helicity of the W boson in lepton + jets tt̄ events

Author: A. Leflat, Andrew White, S. Tentindo-Repond, V. Zutshi, R. L. McCarthy, W. Kahl, D. Shpakov, V. A. Bezzubov, Philip Baringer, M. Merkin, S. Banerjee, B. G. Pope, Marvin Johnson, Elizaveta Shabalina, Andrei Nomerotski, John Hobbs, V.V. Abramov, Shuichi Kunori, Emanuela Barberis, J. Barreto, T. Nunnemann, B. Baldin, Raymond Brock, Boaz Klima, R. Beuselinck, J. P. Negret, R. P. Smith, Michael Shupe, Michael Hildreth, A. V. Kozelov, H. da Motta, A. S. Ito, E. G. Zverev, M. Buehler, V. Vaniev, Alexander Kupco, N. R. Stanton, T. C. Bacon, D. P. Stoker, Michael A. Strauss, Meenakshi Narain, Randy Ruchti, Tulika Bose, W. M. Lee, A. Kharchilava, Sergey Kuleshov, Victor Daniel Elvira, S. Willis, J. Estrada, Y. A. Yatsunenko, Harrison Prosper, P.F. Ermolov, M. Jaffré, P. A. Rapidis, H. Haggerty, S. P. Denisov, Y. Kulik, A. Stone, Suman Bala Beri, M. Bhattacharjee, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, A. Jonckheere, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, M. R. Krishnaswamy, Sergey Chekulaev, G. Briskin, Jeffrey F. Krane, V. Oguri, Heriberto Castilla-Valdez, S. Baffioni, M. A. Kubantsev, S. N. Gurzhiev, P. Demine, V. S. Burtovoi, Pushpalatha C Bhat, A. Abdesselam, Gustaaf Brooijmans, A. Juste, F. Borcherding, Vipin Bhatnagar, D. Coppage, J. Warchol, M. A.C. Cummings, V. Simak, H. E. Fisk, P. Padley, Alexey Volkov, B. Hoeneisen, Robert Hirosky, Lee Sawyer, Zeno Dixon Greenwood, N. Sotnikova, Wendy Taylor, A. M. Kalinin, Z. Zhou, J. Solomon, R. Partridge, X. Zhang, A. Besson, N. A. Naumann, S. Chopra, Viatcheslav Stolin, M. Gao, Mitchell Wayne, H. Schellman, J. M. Kohli, A. N. Galyaev, Ariel Schwartzman, G. Sajot, Roger Moore, D. K. Cho, Y. Arnoud, S. Reucroft, Melissa Ridel, S.A. Kahn, G. Gutierrez, M. Demarteau, Gilvan Alves, V. S. Narasimham, L. Groer, Thomas G Trippe, M. Strovink, R. Kehoe, Stefan Grünendahl, Mossadek Talby, S. Desai, R. Illingworth, B. Gómez, C. Lundstedt, Carlos Avila, W. E. Cooper, M. A. Strang, Sabine Crépé-Renaudin, A. Patwa, A. A. Mayorov, V. L. Malyshev, H. S. Mao, Shashikant Dugad, Vasken Hagopian, B. S. Acharya, H. Weerts, J. Snow, Arnaud Duperrin, M. Sosebee, S. Nelson, M. H.G. Souza, Andrew Brandt, E. A. Kozlovsky, H.E. Miettinen, Lev Dudko, F. Villeneuve-Seguier, G. D. Alexeev, Flera Rizatdinova, F. Blekman, Jong-Sung Yu, L. Lueking, N. I. Bojko, D. O'Neil, H. E. Montgomery, L. Babukhadia, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, O. V. Eroshin, Y. Song, Phillip Gutierrez, Neeti Parashar, J. N. Butler, Daniel Whiteson, Q. Z. Li, P. D. Grannis, C. Han, F. Beaudette, S. J. De Jong, M. B. Przybycien, M. Zielinski, Christos Leonidopoulos, R. J. Madaras, B. Kothari, Sarah Catherine Eno, D. Mihalcea, V. Buescher, J. Womersley, P. M. Tuts, V. E. Kuznetsov, Sebastian Grinstein, Z. M. Wang, B. Connolly, D. Karmanov, P. Pétroff, E. Kajfasz, K. W. Merritt, D. Hedin, U. Bassler, R. Engelmann, Ia Iashvili, S. Kesisoglou, V. M. Abazov, A. V. Kostritskiy, Regina Demina, Elizabeth Gallas, T. McMahon, K. Gounder, S. N. Ahmed, M. Fortner, Sissel Hansen, T. Rockwell, Iain Alexander Bertram, N. W. Reay, Y. D. Mutaf, H. A. Neal, J. T. Linnemann, V. Sorín, K. Yip, Michael Rijssenbeek, Christophe Royon, J. F. Bartlett, Alberto Santoro, J. G.R. Lima, V. Manankov, L. Stutte, A.S. Dyshkant, A. Melnitchouk, H. D. Wahl, J. T. Eltzroth, D. Bauer, M. Zanabria, P. Rubinov, V. N. Evdokimov, R. Jesik, Laurent Duflot, A. Alton, K. A. Johns, O. Peters, D. A. Wijngaarden, Richard B. Lipton, Suyong Choi, T. Yasuda, K. Bos, K. M. Chan, Sharon Hagopian, M. Abolins, H. L. Melanson, D. Buchholz, N. K. Mondal, R. Piegaia, Anna Goussiou, H. T. Diehl, T. A. Bolton, Gregorio Bernardi, D. Denisov, Gregory R Snow, A. Boehnlein, D. Edmunds, J. Ellison, A. K.A. Maciel, Sa. Jain, S. Fuess, Andre Sznajder, Yuri Gershtein, J. M. Heinmiller, Srinivasan Rajagopalan, P. I. Goncharov, Hal Evans, Thomas Ferbel, C. Miao, P. Krivkova, David H. Adams, Alice Bean, F. Canelli, A. Quadt, S. E.K. Mattingly, S. Fu, D. Chakraborty, D. Cutts, Wagner Carvalho, Don Lincoln, P. W. Balm, Vivek Jain, Q. Xu, Daniel John Karmgard, Greg Landsberg, C. Hebert, N. Parua, Alexander Khanov, Jing Li, R. Van Kooten, Ulrich Heintz, K. Soustruznik, H. Jöstlein, A. Zieminski, Frank Filthaut, M. Diesburg, J. Huang, D. A. Stoyanova, A. S. Turcot, R. A. Sidwell, S. Krzywdzinski, Michael Begel, A. Zylberstejn, R. D. Schamberger, F. Lehner, H. Greenlee, A. Bross, G. A. Davis, Serban Protopopescu, Alexander Belyaev, Patrick Slattery, N.V. Mokhov, M. I. Martin, A. P. Heinson, R. E. Hall, G. Steinbrück, K. Genser, A. Baden, G. C. Blazey, Brad Abbott, R. Yamada, C. Luo, Mary Beth Adams, B. M. Sabirov, R. K. Shivpuri, Elemer Nagy, D. R. Claes, S. Doulas, Kaushik De, Yu-tin Huang, Nikos Varelas, Bing Zhou, Stephen Wimpenny, A. R. Clark, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, D. Casey, J. Kotcher, and Harald Fox
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Top quark, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Tevatron, FOS: Physical sciences, 01 natural sciences, Helicity, law.invention, Standard Model, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), law, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, 010306 general physics, Collider, Lepton, Boson
Abstract: We examine properties of ttbar candidates events in lepton+jets final states to establish the helicities of the W bosons in t->W+b decays. Our analysis is based on a direct calculation of a probability that each event corresponds to a ttbar final state, as a function of the helicity of the W boson. We use the 125 events/pb sample of data collected by the DO experiment during Run I of the Fermilab Tevatron collider at sqrt{s}=1.8 TeV, and obtain a longitudinal helicity fraction of F_0=0.56+/-0.31, which is consistent with the prediction of F_0=0.70 from the standard model.
Published: 2016

4. Measurement of the high-mass Drell-Yan cross section and limits on quark-electron compositeness scales

Author: S. A. Jerger, W. G. Cobau, M. I. Martin, R. L. McCarthy, J. McDonald, B. Baldin, C. Klopfenstein, S. Krzywdzinski, Philip Baringer, M. Abolins, Y. Ducros, D. Norman, A.K. Gupta, W. E. Cooper, T. Joffe-Minor, P. Mooney, Peter Nemethy, L. Lueking, M. Roco, A. Zylberstejn, H. T. Diehl, L. Magaña-Mendoza, P. Yamin, E. Smith, H. Singh, C. Murphy, T. Heuring, R. Hernández-Montoya, P. Ermolov, M. Merkin, Y. Kulik, T. McKibben, E. Shabalina, Z. Zhou, J. Solomon, B. May, K. Del Signore, Matthew Jones, G. Eppley, Sergey Kuleshov, S. Protopopescu, Victor Daniel Elvira, H. da Motta, J. Yu, S. Grünendahl, S. Mani, N. Sotnikova, J. Ellison, A. K.A. Maciel, Elizabeth Gallas, H. Weerts, M. Bhattacharjee, B. Gobbi, Alexander Vorobiev, Hiroaki Aihara, A. Bross, J. Krane, R. Jesik, Jasvinder A. Singh, D. Koltick, D. Zieminska, S. Fuess, R. Madden, J. Bantly, Raymond Brock, Boaz Klima, Richard Breedon, H. Greenlee, T. G. Trippe, V. Gavrilov, Rajendran Raja, R. W. Stephens, G. Gutierrez, Peter W. Draper, S. Youssef, Pm Tuts, Sharon Hagopian, G. Guglielmo, A. Sanchez-Hernandez, Brad Abbott, T. McMahon, Robert Kehoe, David Cutts, P. I. Goncharov, S. Willis, H. E. Fisk, Sergey Denisov, Robert Hirosky, B. Zhang, P. Gartung, J. M. Hauptman, J. M. Guida, D. Hedin, L. Babukhadia, Cecilia Elena Gerber, E. Oltman, M. Sosebee, Pushpalatha C Bhat, P. Padley, N.V. Mokhov, Alexey Volkov, Stephen Wimpenny, V. V. Babintsev, J. McKinley, Y. M. Park, C. Miao, K. Gounder, Andrew Brandt, T. Marshall, R. Engelmann, S. Feher, Andrew White, V. N. Evdokimov, Gervasio Gomez, E. A. Kozlovsky, W. Y. Chen, Eunil Won, P. Bloom, V. A. Bezzubov, J. P. Negret, B. Lauer, R. P. Smith, A. N. Galyaev, G. E. Forden, A. P. Heinson, P. Yepes, Jianming Qian, James H Cochran, J. A. Wightman, M. A.C. Cummings, H.E. Miettinen, N. K. Mondal, A. Zieminski, Y. Zhou, Mitchell Wayne, F. Stichelbaut, B. Hoeneisen, N. I. Bojko, A. Boehnlein, Michael Shupe, V. S. Narasimham, B. G. Pope, R. E. Hall, J. L. González Solís, Z. Casilum, Darien Wood, H. Schellman, J. M. Kohli, D. Vititoe, C. K. Jung, V. Stolin, Nicholas John Hadley, Tong Hu, H. L. Melanson, P. Z. Quintas, H. E. Montgomery, A. V. Kozelov, M. L. Stevenson, R. J. Genik, A. A. Mayorov, A. L. Lyon, Shuichi Kunori, A. V. Kotwal, Harrison Prosper, R. Snihur, J. Snow, Daniel R Claes, D. Fein, M. Fortner, A. Jonckheere, H. D. Wahl, Winston Ko, S. Y. Jun, T. L.T. Thomas, S. Blessing, M. K. Fatyga, Scott Snyder, R. Markeloff, J. H. Christenson, E. G. Zverev, V. Vaniev, J. S. Hoftun, K. Davis, J. N. Butler, D. Denisov, Steve Reucroft, R. K. Shivpuri, S.A. Kahn, S. M. Chang, Don Lincoln, Erich Varnes, Li Jingyuan, Daniel John Karmgard, P. D. Grannis, H. Piekarz, F. Lobkowicz, P. Grudberg, J. F. Bartlett, A. Goussiou, C. Shaffer, M. Demarteau, D. Cullen-Vidal, K. Genser, J. Thompson, Andre Sznajder, B. Gómez, N. N. Biswas, M. Tartaglia, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, Z. H. Zhu, Z. Wu, Yuri Gershtein, K. Streets, Vipin Bhatnagar, D. Shpakov, M. D. Peters, Kaushik De, Shashikant Dugad, R. D. Schamberger, Meenakshi Narain, R. Partridge, K. M. Mauritz, Young-Sang Yu, J. Warchol, L. T. Goss, L. Oesch, P. Hanlet, J. V. D. Wirjawan, S. Chopra, G. Finocchiaro, V. Oguri, A. Narayanan, H. S. Mao, G. Wang, Alberto Santoro, J. G.R. Lima, G. Kalbfleisch, D. L. Adams, A. V. Kostritskiy, T. Fahland, D. Edmunds, Dhiman Chakraborty, M. H.G. Souza, Michael A. Strauss, Sissel Hansen, B. Gibbard, Kenneth Johns, Stephan Linn, V. S. Burtovoi, J. Sculli, M. Diesburg, C. Boswell, E. Flattum, R. Yamada, L. Coney, J. D. Hobbs, M. R. Krishnaswamy, Ricardo Piegaia, B. Pawlik, N. Oshima, Nikos Varelas, Suman Bala Beri, D. Casey, J. Kotcher, O. I. Dahl, G. Steinbrück, J. Linnemann, Sun Kee Kim, C. Yoshikawa, N. Graf, E. W. Anderson, Q. Z. Li, Allen Mincer, Sebastian Grinstein, Alexander Belyaev, D. Buchholz, Edilamar Menezes de Oliveira, Y. Pischalnikov, P. Tamburello, Gregory R Snow, F. Hsieh, Heriberto Castilla-Valdez, Ulrich Heintz, H. Jöstlein, D. Owen, J. Tarazi, A. R. Clark, A. Para, Sergey Chekulaev, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, I. Adam, P. Rubinov, K. W. Merritt, V. Manankov, M. Chung, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, K. Yip, A.S. Dyshkant, J. Jaques, Ron Lipton, J. Womersley, Mark Raymond Adams, D. Karmanov, Brajesh C Choudhary, D. P. Stoker, Emanuela Barberis, H. Haggerty, Suyong Choi, Y. Fisyak, Joan A. Guida, G. Di Loreto, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, L. Sawyer, Marvin Johnson, M. Zielinski, R. J. Madaras, T. Yasuda, S. N. Gurzhiev, C. Cretsinger, J. Perkins, Alexander Leflat, M. Strovink, Gilvan Alves, K. S. Hahn, Wagner Carvalho, Greg Landsberg, Sw. Banerjee, T. L. Geld, M. Paterno, A. Baden, G. C. Blazey, S. C. Loken, N. Parua, V.V. Abramov, S. H. Ahn, F. Landry, John Rutherfoord, D. A. Stoyanova, Arnaud Lucotte, F. Borcherding, N. Amos, Randy Ruchti, Miguel Mostafa, C. S. Mishra, M. M. Baarmand, Sarah Catherine Eno, Vasken Hagopian, F. Nang, Lev Dudko, A. S. Ito, Gordon Watts, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, and J. T. White
Subjects: Quark, Physics, Particle physics, High Energy Physics::Phenomenology, FOS: Physical sciences, General Physics and Astronomy, Scale (descriptive set theory), Electron, High Energy Physics - Experiment, Standard Model, Nuclear physics, High Energy Physics - Experiment (hep-ex), Cross section (physics), High mass, High Energy Physics::Experiment, Invariant mass, Nuclear Experiment
Abstract: We present a measurement of the Drell-Yan cross section at high dielectron invariant mass using 120/pb of data collected in pbar-p collisions at sqrt(s) = 1.8 TeV by the D0 collaboration during 1992-96. No deviation from standard model expectations is observed. We use the data to set limits on the energy scale of quark-electron compositeness with common constituents. The 95% confidence level lower limits on the compositeness scale vary between 3.3 TeV and 6.1 TeV depending on the assumed form of the effective contact interaction., 6 pages, 2 figures, submitted to PRL
Published: 2016

5. Search for large extra dimensions in dielectron and diphoton production

Author: B. May, Emanuela Barberis, R. J. Madaras, K. Streets, Vipin Bhatnagar, H. Weerts, T. Heuring, S. A. Jerger, Bobby Samir Acharya, H. A. Neal, R. Snihur, Elemer Nagy, Anurag Gupta, A. S. Turcot, A. A. Mayorov, Y. Kulik, Jasvinder A. Singh, Wendy Taylor, A. Patwa, K. M. Mauritz, L. T. Goss, H. C. Shankar, F. Borcherding, V. Sorín, K. Yip, S. Youssef, V. Simak, V. N. Evdokimov, Alexander Leflat, P. Ermolov, M. Strovink, M. Merkin, M. I. Martin, Roger Moore, L. Stutte, Robert Hirosky, Pushpalatha C Bhat, V. S. Burtovoi, A.S. Dyshkant, Robert Kehoe, Gervasio Gomez, David Cutts, V. Zutshi, P. Padley, Alexey Volkov, M. Sosebee, J. Bantly, N.V. Mokhov, A. Bean, Gilvan Alves, Michael Begel, Chris Hays, S. Tentindo-Repond, R. L. McCarthy, H. Haggerty, Raymond Brock, Boaz Klima, J. McDonald, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, L. J. Pan, K. Gounder, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, A. P. Heinson, D. Norman, A. V. Kozelov, Gustaaf Brooijmans, B. Gibbard, J. Thompson, S. R. Hou, L. Sawyer, K. Genser, Philip Baringer, W. E. Cooper, R. Van Kooten, M. A.C. Cummings, S. Willis, F. Nang, Andrew White, P. Grudberg, S. Feher, D. Shpakov, Z. Zhou, J. Solomon, R. Demina, P. Demine, A. Besson, B. Gómez, J. Rha, H. S. Mao, P. Gartung, Andrew Brandt, R. Engelmann, E. A. Kozlovsky, H.E. Miettinen, Z. H. Zhu, E. Popkov, M. R. Krishnaswamy, R. E. Hall, J. L. González Solís, Z. Casilum, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, Y. Fisyak, C. Klopfenstein, M. Chung, Shashikant Dugad, Marvin Johnson, M. Roco, S. Krzywdzinski, B. Hoeneisen, G. Eppley, A. Baden, A. N. Galyaev, K. M. Chan, Dhiman Chakraborty, G. C. Blazey, G. Gutierrez, M. Buehler, H. Zheng, N. W. Reay, S. Grünendahl, Yu-tin Huang, J. Perkins, J. Sculli, M. Diesburg, J. Yu, E. G. Zverev, J. F. Bartlett, A. Goussiou, A. Para, Neeti Parashar, H. da Motta, D. Zieminska, S. Fuess, J. Estrada, Elizabeth Gallas, R. Partridge, T. McMahon, M. Bhattacharjee, R. Gilmartin, N. R. Stanton, V. Stolin, H. E. Montgomery, Sun Kee Kim, V. Buescher, A. Zylberstejn, Sergey Chekulaev, P. Hanlet, D. Coppage, V. S. Narasimham, L. Groer, Thomas G Trippe, F. Lehner, D. K. Cho, Pm Tuts, S. Duensing, J. M. Hauptman, Cecilia Elena Gerber, Orin I. Dahl, John Rutherfoord, R. Jesik, Haiyan Wang, Nikos Varelas, Meenakshi Narain, E. W. Anderson, A. V. Kotwal, Harrison Prosper, B. Knuteson, D. P. Stoker, V. V. Babintsev, B. Pawlik, Sharon Hagopian, Z. Yu, M. Zielinski, E. Shabalina, V. Gavrilov, Daniel R Claes, S.A. Kahn, Kenneth Johns, F. Stichelbaut, G. Ginther, Daniel Whiteson, Alexander Belyaev, S. Desai, Q. Z. Li, Stephen Wimpenny, P. Rubinov, G. A. Davis, K. W. Merritt, Jianming Qian, D. Casey, A. R. Clark, C. S. Mishra, J. Kotcher, T. Fahland, D. Edmunds, N. Sotnikova, Ron Lipton, B. G. Pope, R. J. Genik, M. Demarteau, G. Graham, A. Zieminski, James C. Green, Patrick Slattery, Allen Mincer, G. Briskin, D. Fein, M. Fortner, T. Marshall, D. A. Stoyanova, D. Denisov, V. Manankov, K. S. Hahn, Sebastian Grinstein, J. Womersley, Ricardo Piegaia, Jeffrey F. Krane, N. Graf, T. Yasuda, Don Lincoln, D. Buchholz, Darien Wood, Wagner Carvalho, E. Flattum, R. Yamada, H. D. Wahl, R. D. Schamberger, Greg Landsberg, L. Lueking, Sw. Banerjee, P. W. Balm, Daniel John Karmgard, M. Zanabria, Winston Ko, S. N. Gurzhiev, A. V. Kostritskiy, Mark Raymond Adams, D. Karmanov, Li Jingyuan, S. Negroni, C. Hebert, N. Amos, Heriberto Castilla-Valdez, Nicholas John Hadley, S. Blessing, S. Chopra, P. A. Rapidis, Sissel Hansen, J. T. White, Ariel Schwartzman, O. Peters, M. Paterno, K. Soustruznik, A. Boehnlein, H. L. Melanson, P. Z. Quintas, Ulrich Heintz, U. Bassler, J. V.D. Wirjawan, Scott Snyder, E. Smith, K. Del Signore, L. Coney, H. Jöstlein, Matthew Jones, N. Sen, J. D. Hobbs, J. Snow, J. H. Christenson, A. P. Vorobiev, E. Kajfasz, R. K. Shivpuri, Stephan Linn, David H. Adams, Gregory R Snow, R. A. Sidwell, N. Oshima, P. van Gemmeren, F. Canelli, M. Abolins, H. E. Fisk, S. Doulas, D. Hedin, Alberto Santoro, J. G.R. Lima, C. Lundstedt, Kaushik De, V. E. Kuznetsov, D. Toback, M. A. Kubantsev, R. W. Stephens, Vasken Hagopian, Suyong Choi, Steve Reucroft, E. J. Ramberg, S. M. Tripathi, Z. M. Wang, A. Bross, H. T. Diehl, G. Steinbrück, V. Oguri, H. Singh, Shuichi Kunori, P. Yamin, V. Vaniev, T. Rockwell, Iain Alexander Bertram, G. Di Loreto, Rajendran Raja, Lev Dudko, J. Ellison, A. K.A. Maciel, Gregorio Bernardi, Peter W. Draper, Michael Rijssenbeek, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Brad Abbott, Sergey Denisov, A. S. Ito, P. I. Goncharov, J. Warchol, C. Miao, B. Olivier, N. K. Mondal, F. Fleuret, Gordon Watts, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, Howard Gordon, K. C. Frame, N. Parua, V.V. Abramov, Arnaud Lucotte, Randy Ruchti, A. Jonckheere, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Oesch, L. Babukhadia, M. H.G. Souza, D. Mihalcea, B. Connolly, Richard Breedon, H. Greenlee, D. A. Wijngaarden, Michael A. Strauss, Suman Bala Beri, J. Linnemann, A. Juste, J. A. Wightman, N. I. Bojko, R. D. Martin, M. L. Stevenson, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, B. Baldin, Y. Ducros, X. C. Meng, Sergey Kuleshov, S. Protopopescu, Victor Daniel Elvira, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), D0, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), and D0 (Tevatron, IHEF, IOP, FNWI)
Subjects: Physics, Particle physics, Photon, Planck scale, 010308 nuclear & particles physics, Detector, FOS: Physical sciences, General Physics and Astronomy, Electron, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), symbols.namesake, Extra dimensions, High Energy Physics - Phenomenology (hep-ph), Angular distribution, 0103 physical sciences, symbols, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Large extra dimension, Production (computer science), High Energy Physics::Experiment, 010306 general physics
Abstract: We report a search for effects of large extra spatial dimensions in ppbar collisions at a center-of-mass energy of 1.8 TeV with the DZero detector, using events containing a pair of electrons or photons. The data are in good agreement with the expected background and do not exhibit evidence for large extra dimensions. We set the most restrictive lower limits to date, at the 95% confidence level, on the effective Planck scale between 1.0 TeV and 1.4 TeV for several formalisms and numbers of extra dimensions., Comment: 6 pages, 2 figures, submitted to Phys. Rev. Lett
Published: 2016

6. Search for 3- and 4-body decays of the scalar top quark in pp- collisions at root s = 1.8 TeV

Author: N. I. Bojko, D. O'Neil, Andrew White, A. Goussiou, A. Baden, Andrei Nomerotski, G. C. Blazey, John Hobbs, J. N. Butler, P. D. Grannis, J. Barreto, M. Buehler, Alexander Belyaev, S. Chopra, Ariel Schwartzman, Melissa Ridel, R. Kehoe, R. Yamada, Patrick Slattery, A. Khanov, N. Parua, V.V. Abramov, M. Jaffré, M. Abolins, H. L. Melanson, Elemer Nagy, N. R. Stanton, L. Duflot, E. W. Anderson, Arnaud Lucotte, C. Luo, Mary Beth Adams, Alexander Kupco, W. Kahl, S. Youssef, J. M. Hauptman, Cecilia Elena Gerber, Ulrich Heintz, D. Edmunds, James C. Green, N. K. Mondal, R. K. Shivpuri, D. Cutts, H. T. Diehl, T. A. Bolton, N.V. Mokhov, Marvin Johnson, H. Jöstlein, Q. Z. Li, Andre Sznajder, D. R. Claes, Frank Filthaut, Randy Ruchti, V. Zutshi, Wagner Carvalho, N. Sotnikova, R. J. Genik, M. I. Martin, Yuri Gershtein, Greg Landsberg, D. Whiteson, A. Boehnlein, A. V. Kozelov, V. V. Babintsev, David H. Adams, M. Diesburg, G. Ginther, Alice Bean, S. Duensing, Wendy Taylor, A. Patwa, P. Krivkova, D. Hedin, Roger Moore, S. Doulas, Sebastian Grinstein, K. Soustruznik, Shuichi Kunori, A. P. Heinson, A. N. Galyaev, V. Vaniev, L. Babukhadia, D. Shpakov, J. Ellison, A. K.A. Maciel, Sa. Jain, S. Fuess, Jianming Qian, A. Abdesselam, V. A. Bezzubov, S. J. De Jong, A. V. Kostritskiy, Michael A. Strauss, Kaushik De, F. Canelli, Volker Buescher, Vladimir Gavrilov, J. P. Negret, P. Demine, R. P. Smith, Gordon Watts, V. Sirotenko, H. Zheng, T. Nunnemann, B. Baldin, D. Coppage, F. Borcherding, D. K. Cho, Y. Arnoud, G. Sajot, D. A. Stoyanova, A. S. Turcot, B. Kothari, Vipin Bhatnagar, K. Gounder, O. V. Eroshin, Y. Song, G. Briskin, M. Strovink, Michael Shupe, Sissel Hansen, Michael Hildreth, S. M. Tripathi, Y. Kulik, R. E. Hall, P. I. Goncharov, R. Illingworth, L. Lueking, R. Partridge, X. Zhang, W. E. Cooper, J. Estrada, A. Leflat, Jeffrey F. Krane, N. A. Naumann, L. Coney, Suman Bala Beri, S. Baffioni, W. M. Lee, A. Kharchilava, Christos Leonidopoulos, Sarah Catherine Eno, S. N. Ahmed, S. Reucroft, Y. A. Yatsunenko, D. Chakraborty, Stephen Wimpenny, Harrison Prosper, Michael Begel, T. Marshall, Sergey Kuleshov, Christophe Royon, C. Miao, B. Olivier, Victor Daniel Elvira, V. L. Malyshev, B. M. Sabirov, A. Juste, F. Nang, E. Popkov, Richard B. Lipton, J. Womersley, Arnaud Duperrin, Heriberto Castilla-Valdez, S. Desai, V. M. Abazov, H. D. Wahl, D. Bauer, H. S. Mao, D. Fein, B. Connolly, Richard Breedon, M. Zanabria, Winston Ko, Pushpalatha C Bhat, U. Bassler, Jong-Sung Yu, V. Simak, C. Han, Don Lincoln, P. W. Balm, P. Padley, S. Tentindo-Repond, D. Karmanov, Alexey Volkov, A. Stone, Daniel John Karmgard, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, C. Hebert, M. Merkin, D. A. Wijngaarden, T. Yasuda, Mitchell Wayne, H. Schellman, J. M. Kohli, Ia Iashvili, T. C. Bacon, D. Mihalcea, E. Kajfasz, K. Bos, Zeno Dixon Greenwood, Stefan Grünendahl, Alberto Santoro, Philip Baringer, Raymond Brock, V. N. Evdokimov, M. A.C. Cummings, Boaz Klima, Bobby Samir Acharya, H. A. Neal, Jing Li, S. Banerjee, Mossadek Talby, B. Gómez, R. Beuselinck, D. Casey, J. T. Linnemann, V. Sorín, P. M. Tuts, V. E. Kuznetsov, P. Rubinov, K. Yip, S. Krzywdzinski, J. Kotcher, Shashikant Dugad, Harald Fox, D. P. Stoker, B. G. Pope, S. Willis, L. Stutte, A.S. Dyshkant, B. Hoeneisen, Lee Sawyer, N. Graf, Y. D. Mutaf, Robert Hirosky, H. E. Fisk, A. Zylberstejn, F. Fleuret, Elizaveta Shabalina, A. M. Kalinin, F. Lehner, H. Greenlee, Z. Zhou, J. Solomon, R. Demina, A. Bross, O. Peters, G. A. Davis, Elizabeth Gallas, T. McMahon, Serban Protopopescu, G. Gutierrez, Gilvan Alves, V. S. Narasimham, L. Groer, A. A. Mayorov, J. Snow, M. Gao, J. T. Eltzroth, S.A. Kahn, R. Jesik, K. A. Johns, M. Demarteau, G. Bernardi, V. Oguri, Gustaaf Brooijmans, J. Warchol, P. Yamin, G. D. Alexeev, Flera Rizatdinova, P. A. Rapidis, A. Jonckheere, A. P. Vorobiev, Stephan Linn, M. Sosebee, N. Oshima, Daria Zieminska, R. D. Schamberger, M. A. Kubantsev, Freya Blekman, Andrew Brandt, R. Engelmann, E. A. Kozlovsky, H.E. Miettinen, E. G. Zverev, Meenakshi Narain, G. Eppley, H. da Motta, J. G.R. Lima, S. N. Gurzhiev, A. S. Ito, Viatcheslav Stolin, C. Lundstedt, Carlos Avila, Sabine Crépé-Renaudin, Neeti Parashar, R. L. McCarthy, M. Zielinski, Suyong Choi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, M. H.G. Souza, H. E. Montgomery, R. Van Kooten, A. Besson, P.F. Ermolov, A. Zieminski, V. S. Burtovoi, R. A. Sidwell, R. J. Madaras, D. Buchholz, Florian Beaudette, J. Huang, Gregory R Snow, G. Steinbrück, K. Genser, M. B. Przybycien, Rajendran Raja, Phillip Gutierrez, M. A. Strang, Emanuela Barberis, Vasken Hagopian, H. Weerts, Z. M. Wang, Brad Abbott, Lev Dudko, F. Villeneuve-Seguier, Tulika Bose, Pierre Petroff, H. Haggerty, M. Fortner, N. W. Reay, S. Fu, Q. Xu, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, M. Bhattacharjee, T. G. Trippe, Howard Gordon, Yu-tin Huang, Nikos Varelas, Bing Zhou, Sharon Hagopian, K. Papageorgiou, S. P. Denisov, M. R. Krishnaswamy, R. Piegaia, A. R. Clark, A. Alton, Sergey Chekulaev, K. M. Chan, K. W. Merritt, J. F. Bartlett, V. Manankov, and D0 (Tevatron, IHEF, IOP, FNWI)
Subjects: Quark, Physics, Particle physics, Top quark, Nuclear and High Energy Physics, Muon, 010308 nuclear & particles physics, Scalar (mathematics), High Energy Physics::Phenomenology, 01 natural sciences, Lightest Supersymmetric Particle, Nuclear physics, 0103 physical sciences, Neutralino, High Energy Physics::Experiment, Fermilab, 010306 general physics, Minimal Supersymmetric Standard Model
Abstract: We have searched for the signature of 3- and 4-body decays of pair-produced scalar top quarks (stop) in the inclusive final state containing an electron, a muon, and significant missing transverse energy using a sample of p p events corresponding to 108.3 pb−1 of data collected with the DO detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the neutralino ( χ 0 1 ) is the lightest supersymmetric particle and is stable. No evidence for a signal is found and we derive cross-section upper limits as a function of stop (t) and neutralino masses in different decay scenarios leading to the blν χ 0 1 final state.
Published: 2004

7. Hard single diffraction in p̄p collisions at s=630 and 1800 GeV

Author: A. N. Galyaev, D. K. Cho, Y. Arnoud, M. Merkin, R. Illingworth, Raymond Brock, Boaz Klima, R. Beuselinck, S. Willis, W. E. Cooper, S. Duensing, G. Eppley, Arnaud Duperrin, M. A. Strang, S. J. De Jong, Jong-Sung Yu, C. S. Mishra, S. Fu, B. Kothari, N.V. Mokhov, H. da Motta, J. G.R. Lima, M. Sosebee, V. M. Abazov, M. I. Martin, K. W. Merritt, Elemer Nagy, Vasken Hagopian, L. Lueking, H. Weerts, W. Kahl, Andrew White, J. F. Bartlett, A. P. Heinson, V. Manankov, E. W. Anderson, Q. Xu, Lev Dudko, T. G. Trippe, A. S. Ito, P. Pétroff, E. Kajfasz, E. Popkov, R. E. Hall, B. Pawlik, Q. Z. Li, Sharon Hagopian, K. Papageorgiou, Wendy Taylor, T. Rockwell, Iain Alexander Bertram, N. Parua, A. Goussiou, Roger Moore, S. Fuess, Michael Rijssenbeek, D. Mihalcea, D. Casey, S. Krzywdzinski, Sebastian Grinstein, B. Olivier, Neeti Parashar, J. Kotcher, A. Patwa, Anurag Gupta, R. Van Kooten, Z. M. Wang, L. Babukhadia, Vladimir Gavrilov, R. Piegaia, V. Oguri, Gordon Watts, R. Snihur, P. M. Tuts, V. E. Kuznetsov, Harald Fox, A. Zylberstejn, Shuichi Kunori, N. Graf, R. W. Stephens, Robert Hirosky, A. V. Kostritskiy, V. Sirotenko, Andrew Brandt, A. Abdesselam, A. M. Kalinin, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, Vipin Bhatnagar, K. Gounder, A. Alton, Andrei Nomerotski, John Hobbs, F. Lehner, H. Greenlee, V. N. Evdokimov, Gustaaf Brooijmans, B. M. Sabirov, O. V. Eroshin, Y. Song, Phillip Gutierrez, A. Bross, Sissel Hansen, T. Nunnemann, B. Baldin, E. A. Kozlovsky, H.E. Miettinen, D. Edmunds, D. Bauer, V. Vaniev, Howard Gordon, K. C. Frame, Chris Hays, M. Zielinski, R. Partridge, X. Zhang, J. Barreto, A. Khanov, R. Demina, A. Zieminski, G. A. Davis, L. Coney, G. Gutierrez, V. A. Bezzubov, V.V. Abramov, N. Sen, R. Gilmartin, Serban Protopopescu, A. Besson, J. P. Negret, Y. Ducros, V. L. Malyshev, Gilvan Alves, Heriberto Castilla-Valdez, R. L. McCarthy, J. Warchol, Andre Sznajder, R. P. Smith, M. Gao, M. Bhattacharjee, H. S. Mao, S. P. Denisov, W. M. Lee, A. Kharchilava, B. G. Pope, P. Demine, V. S. Narasimham, L. Groer, Yuri Gershtein, J. M. Hauptman, Cecilia Elena Gerber, Arnaud Lucotte, Michael Shupe, Michael Hildreth, K. M. Chan, Dhiman Chakraborty, T. Fahland, H. Zheng, S. N. Gurzhiev, M. R. Krishnaswamy, D. Fein, V. Simak, Alexander Kupco, J. Estrada, Sergey Kuleshov, E. G. Zverev, V. V. Babintsev, D. Coppage, B. Abbott, G. Ginther, A. A. Mayorov, Don Lincoln, P. Padley, V. Zutshi, Alexey Volkov, Y. A. Yatsunenko, P. Krivkova, A. R. Clark, N. Sotnikova, Jianming Qian, P. W. Balm, A. Stone, Daniel John Karmgard, A. V. Kotwal, Harrison Prosper, M. Roco, R. J. Genik, Elizabeth Gallas, T. McMahon, Randy Ruchti, Mitchell Wayne, H. Schellman, J. M. Kohli, Victor Daniel Elvira, Sergey Chekulaev, J. Snow, C. Hebert, G. Briskin, H. L. Melanson, N. A. Naumann, Stefan Grünendahl, R. A. Sidwell, E. Flattum, Christophe Royon, Jeffrey F. Krane, Viatcheslav Stolin, N. I. Bojko, Mossadek Talby, B. Gómez, Ulrich Heintz, Marc M Baarmand, S. Reucroft, J. H. Christenson, Meenakshi Narain, D. O'Neil, S. Chopra, H. D. Wahl, Elizaveta Shabalina, Shashikant Dugad, C. Lundstedt, M. Strovink, David H. Adams, M. Zanabria, Winston Ko, Carlos Avila, Jing Li, Michael A. Strauss, Alice Bean, Sabine Crépé-Renaudin, H. Jöstlein, M. Jaffré, Ariel Schwartzman, E. Smith, U. Bassler, F. Blekman, Suyong Choi, O. Peters, F. Canelli, Volker Buescher, J. T. Eltzroth, Melissa Ridel, R. Kehoe, J. T. White, G. Steinbrück, J. N. Butler, P. D. Grannis, R. Jesik, Laurent Duflot, T. Yasuda, Frank Filthaut, D. Hedin, Rajendran Raja, K. A. Johns, Alberto Santoro, Seong Keun Kim, M. Diesburg, A. Leflat, S. Youssef, P. Rubinov, Gregorio Bernardi, Suman Bala Beri, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, D. Shpakov, A. Juste, Bobby Samir Acharya, H. A. Neal, S. Tentindo-Repond, Hal Evans, Thomas Ferbel, T. C. Bacon, J. T. Linnemann, V. Sorín, B. Connolly, K. Yip, Richard Breedon, D. P. Stoker, L. Stutte, A.S. Dyshkant, Alexander Belyaev, Philip Baringer, Patrick Slattery, D. A. Stoyanova, A. S. Turcot, S. Banerjee, Zeno Dixon Greenwood, D. A. Wijngaarden, Michael Begel, K. Bos, K. Genser, M. Buehler, M. Chung, R. D. Schamberger, Y. Fisyak, N. R. Stanton, Christos Leonidopoulos, J. Womersley, Marvin Johnson, M. Abolins, D. Karmanov, Z. Casilum, Ia Iashvili, A. V. Kozelov, N. K. Mondal, H. T. Diehl, T. A. Bolton, H. Singh, D. Whiteson, A. Boehnlein, J. Ellison, A. K.A. Maciel, Sa. Jain, P. I. Goncharov, C. Miao, Pushpalatha C Bhat, M. H.G. Souza, H. E. Montgomery, M. A.C. Cummings, B. Hoeneisen, D. Buchholz, Lee Sawyer, Gregory R Snow, P.F. Ermolov, B. Knuteson, V. S. Burtovoi, R. J. Madaras, Haiyan Wang, S.A. Kahn, M. Demarteau, F. Borcherding, S. Desai, G. Sajot, E. J. Ramberg, P. Yamin, G. D. Alexeev, Flera Rizatdinova, Miguel Mostafa, Sarah Catherine Eno, P. A. Rapidis, François Fleuret, F. Nang, A. Jonckheere, A. P. Vorobiev, Richard B. Lipton, F. Villeneuve-Seguier, Stephan Linn, A. Baden, N. Oshima, Daria Zieminska, G. C. Blazey, M. A. Kubantsev, Stephen Wimpenny, T. Marshall, R. Yamada, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. K. Shivpuri, John Rutherfoord, D. R. Claes, C. Luo, Mary Beth Adams, S. Doulas, James C. Green, Kaushik De, Emanuela Barberis, D. Cutts, Wagner Carvalho, Greg Landsberg, L. T. Goss, Charles Leggett, Y. Kulik, M. Paterno, K. Soustruznik, Tulika Bose, H. Haggerty, F. Beaudette, M. B. Przybycien, S. M. Tripathi, R. Engelmann, S. N. Ahmed, M. Fortner, N. W. Reay, Y. D. Mutaf, Yu-tin Huang, Nikos Varelas, Bing Zhou, and L. S. Vertogradov
Subjects: Diffraction, Physics, Particle physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Detector, Empty set, HERA, Jet (particle physics), 01 natural sciences, Nuclear physics, Pomeron, 0103 physical sciences, Momentum loss, Rapidity, High Energy Physics::Experiment, 010306 general physics
Abstract: Using the D empty set detector, we have studied events produced in (p) over barp collisions that contain large forward regions with very little energy deposition ("rapidity gaps") and concurrent jet production at center-of-mass energies of roots = 630 and 1800 GeV. The fraction of events with forward or central jets associated with rapidity gaps is compared to predictions for hard diffraction. We also extract the momentum loss for scattered protons in such processes. (C) 2002 Elsevier Science B.V. All rights reserved.
Published: 2002
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8. Quasi-Model-Independent Search for New HighpTPhysics at D0

Author: P. Demine, S. Youssef, V. Zutshi, K. S. Hahn, D. Cutts, D. Shpakov, H. Zheng, P. Hanlet, S. Krzywdzinski, Wagner Carvalho, Greg Landsberg, Andrew White, T. Nunnemann, B. Baldin, D. Coppage, Y. Ducros, X. C. Meng, J. A. Wightman, N. I. Bojko, A. Zylberstejn, R. D. Martin, Sergey Kuleshov, Victor Daniel Elvira, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, M. Paterno, K. Soustruznik, M. Buehler, Alexander Belyaev, F. Lehner, N. Parua, V.V. Abramov, H. Greenlee, F. Borcherding, P. Yamin, Robert Hirosky, M. Jaffré, Patrick Slattery, S. Reucroft, S. Desai, G. Steinbrück, V. Oguri, E. G. Zverev, D. Bauer, Miguel Mostafa, R. Snihur, John Hobbs, N. R. Stanton, Rajendran Raja, M. M. Baarmand, H. L. Melanson, P. Z. Quintas, Erik Ramberg, T. McMahon, G. Eppley, H. D. Wahl, Arnaud Lucotte, Sarah Catherine Eno, M. Fortner, N. W. Reay, A. Bross, O. Peters, G. A. Davis, Serban Protopopescu, F. Nang, J. H. Christenson, Brad Abbott, Meenakshi Narain, Pierre Petroff, J. Perkins, Yu-tin Huang, Gustaaf Brooijmans, J. Warchol, Ulrich Heintz, H. Jöstlein, M. Zanabria, Winston Ko, Nikos Varelas, Randy Ruchti, R. K. Shivpuri, Frank Filthaut, A. N. Galyaev, D. Fein, M. Diesburg, G. Gutierrez, Gilvan Alves, V. S. Narasimham, L. Groer, Thomas G Trippe, H. da Motta, J. G.R. Lima, Bobby Samir Acharya, H. A. Neal, Howard Gordon, David H. Adams, K. C. Frame, H. E. Fisk, D. K. Cho, Peter W. Draper, Pushpalatha C Bhat, S. N. Gurzhiev, A. Baden, C. S. Mishra, R. Jesik, G. C. Blazey, T. Fahland, R. Illingworth, P. van Gemmeren, D. P. Stoker, K. Gounder, L. J. Pan, R. Yamada, W. E. Cooper, S. Duensing, Don Lincoln, F. Canelli, P. W. Balm, S. Doulas, J. Snow, Daniel R Claes, Vasken Hagopian, M. A.C. Cummings, A. S. Ito, P. I. Goncharov, H. Weerts, T. Yasuda, Z. M. Wang, Emanuela Barberis, Wendy Taylor, Vipin Bhatnagar, Daniel John Karmgard, K. M. Chan, M. Sosebee, Dhiman Chakraborty, Kaushik De, D. A. Stoyanova, A. S. Turcot, A. V. Kostritskiy, C. Hebert, S. P. Denisov, John Rutherfoord, Lev Dudko, J. T. Linnemann, V. Sorín, B. Hoeneisen, J. V.D. Wirjawan, Lee Sawyer, A. Patwa, Allan G Clark, Roger Moore, L. Lueking, R. Partridge, E. Flattum, M. R. Krishnaswamy, Gervasio Gomez, C. Luo, Mary Beth Adams, C. Miao, Viatcheslav Stolin, B. Olivier, E. Kajfasz, Sissel Hansen, K. Yip, E. Popkov, B. G. Pope, M. Bhattacharjee, Z. Zhou, J. Solomon, Michael Begel, K. Del Signore, Matthew Jones, S. Chopra, S. Fuess, J. Rha, C. Lundstedt, A. Para, L. T. Goss, M. H.G. Souza, Charles Leggett, James C. Green, Elizabeth Gallas, Haiyan Wang, F. Fleuret, H. S. Mao, Sergey Chekulaev, S.A. Kahn, Andrew Brandt, Sharon Hagopian, R. Engelmann, M. Merkin, L. Stutte, Jinhong Yu, Ariel Schwartzman, E. Smith, R. Van Kooten, Vladimir Gavrilov, M. Abolins, M. Demarteau, S. M. Tripathi, Jing Li, S. Feher, K. Genser, A. Besson, P. M. Tuts, V. E. Kuznetsov, L. Coney, Y. Fisyak, E. A. Kozlovsky, H.E. Miettinen, Gordon Watts, Melissa Ridel, A.S. Dyshkant, V. Sirotenko, F. Stichelbaut, Heriberto Castilla-Valdez, R. W. Stephens, C. Klopfenstein, K. W. Merritt, Elizaveta Shabalina, L. Duflot, N. Sen, Marvin Johnson, O. V. Eroshin, G. Graham, A. Zieminski, Phillip Gutierrez, K. Papageorgiou, N. K. Mondal, H. T. Diehl, J. F. Bartlett, Stephen Wimpenny, N.V. Mokhov, H. E. Montgomery, H. Singh, V. Manankov, A. V. Kozelov, T. Rockwell, Iain Alexander Bertram, B. Pawlik, J. T. White, A. Boehnlein, Michael Rijssenbeek, K. A. Johns, A. P. Heinson, M. Gao, T. Marshall, R. Piegaia, A. A. Mayorov, Neeti Parashar, P. A. Rapidis, J. Ellison, Raymond Brock, Boaz Klima, S. A. Jerger, V. N. Evdokimov, R. Beuselinck, D. Casey, J. Kotcher, B. Knuteson, R. A. Sidwell, Alexander Leflat, A. Jonckheere, A. Abdesselam, A. P. Vorobiev, Chris Hays, M. Strovink, R. E. Hall, J. L. González Solís, Darien Wood, V. A. Bezzubov, Nicholas John Hadley, J. P. Negret, R. P. Smith, M. Zielinski, N. Sotnikova, Stephan Linn, R. J. Genik, V. Buescher, Z. Casilum, U. Bassler, H. Haggerty, Suyong Choi, A. Bean, Ron Lipton, S. Blessing, D. Norman, N. Graf, M. I. Martin, N. Oshima, Daria Zieminska, Scott Snyder, R. D. Schamberger, Michael Shupe, J. Womersley, Z. Yu, R. L. McCarthy, Daniel Whiteson, E. W. Anderson, M. A. Kubantsev, J. Estrada, S. Willis, R. Gilmartin, S. Tentindo-Repond, G. Di Loreto, J. McDonald, Q. Z. Li, A. V. Kotwal, Harrison Prosper, D. Karmanov, Gregorio Bernardi, D. Denisov, Philip Baringer, M. Roco, S. Negroni, D. Buchholz, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Alberto Santoro, Sebastian Grinstein, S. Banerjee, Seong Keun Kim, R. J. Madaras, D. Toback, V. Simak, T. C. Bacon, P. Padley, R. Demina, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, Alexey Volkov, James H Cochran, V. V. Babintsev, D. Hedin, G. Ginther, A. K.A. Maciel, M. Chung, Anna Goussiou, Jianming Qian, N. Amos, Mitchell Wayne, H. Schellman, J. M. Kohli, G. Briskin, Jeffrey F. Krane, Gregory R Snow, Stefan Grünendahl, J. Thompson, K. M. Mauritz, P.F. Ermolov, S. R. Hou, B. Gómez, V. S. Burtovoi, Shashikant Dugad, Shuichi Kunori, V. Vaniev, B. May, Anurag Gupta, Michael A. Strauss, Jasvinder A. Singh, Suman Bala Beri, T. Heuring, A. Juste, D. Mihalcea, Elemer Nagy, B. Connolly, Richard Breedon, Y. Kulik, D. A. Wijngaarden, D. Edmunds, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Oesch, and L. Babukhadia
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Tevatron, General Physics and Astronomy, 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, Sensitivity (control systems), Electroweak scale, Nuclear Experiment, 010306 general physics
Abstract: We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero experiment during 1992-1996 at the Fermilab Tevatron. We systematically analyze many exclusive final states and demonstrate sensitivity to a variety of models predicting new phenomena at the electroweak scale. No evidence of new high p_T physics is observed.
Published: 2001

9. Ratio of Jet Cross Sections ats=630GeV and 1800 GeV

Author: K. M. Mauritz, P.F. Ermolov, D. P. Stoker, V. S. Burtovoi, M. Chung, T. Heuring, M. Bhattacharjee, D. Edmunds, P. A. Rapidis, Sharon Hagopian, A. Jonckheere, A. P. Vorobiev, Stephan Linn, C. S. Mishra, Andre Sznajder, Yuri Gershtein, M. D. Peters, N. Oshima, Daria Zieminska, R. Piegaia, D. Shpakov, P. Demine, H. Zheng, P. Hanlet, D. Coppage, R. D. Schamberger, D. A. Stoyanova, A. S. Turcot, Howard Gordon, K. C. Frame, S. Reucroft, A. A. Mayorov, R. L. McCarthy, M. Strovink, Elemer Nagy, L. Oesch, L. Babukhadia, T. Fahland, M. A. Kubantsev, Robert Hirosky, Pushpalatha C Bhat, Gervasio Gomez, D. Buchholz, Vasken Hagopian, K. Gounder, Anna Goussiou, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, H. Weerts, Z. M. Wang, R. Snihur, Michael Begel, K. Genser, Shuichi Kunori, V. Vaniev, B. Pawlik, S. Youssef, H. E. Fisk, Lev Dudko, Gregory R Snow, B. G. Pope, Y. Kulik, L. J. Pan, Haiyan Wang, R. Demina, D. Casey, S.A. Kahn, J. Kotcher, D. Mihalcea, B. Connolly, M. Roco, E. Flattum, S. Chopra, K. W. Merritt, J. Womersley, Richard Breedon, M. Demarteau, G. Gutierrez, J. F. Bartlett, Gilvan Alves, B. May, V. Manankov, N. Graf, K. Streets, Vipin Bhatnagar, Robert Kehoe, V. Zutshi, S. Fuess, M. H.G. Souza, T. Rockwell, Iain Alexander Bertram, V. Simak, D. Karmanov, S. Negroni, Z. Zhou, J. Solomon, R. Partridge, V. S. Narasimham, L. Groer, Thomas G Trippe, E. Popkov, A. N. Galyaev, G. Eppley, E. J. Ramberg, Ariel Schwartzman, E. Smith, K. M. Chan, Dhiman Chakraborty, H. E. Montgomery, Y. Fisyak, Alexander Belyaev, Vladimir Gavrilov, Michael Rijssenbeek, Gordon Watts, Elizaveta Shabalina, D. A. Wijngaarden, J. Rha, V. Sirotenko, H. S. Mao, H. da Motta, J. G.R. Lima, P. Yamin, Marvin Johnson, P. Padley, A. S. Ito, Z. Yu, Patrick Slattery, O. V. Eroshin, Daniel Whiteson, A. V. Kozelov, Phillip Gutierrez, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, Anurag Gupta, Alexey Volkov, Suyong Choi, Michael A. Strauss, Peter W. Draper, Heriberto Castilla-Valdez, V. N. Evdokimov, J. Warchol, J. T. White, J. T. Linnemann, V. Sorín, K. Yip, D. K. Cho, S. P. Denisov, James H Cochran, E. G. Zverev, Jasvinder A. Singh, R. Gilmartin, R. K. Shivpuri, J. Snow, Mitchell Wayne, Ulrich Heintz, F. Stichelbaut, L. Stutte, Jinhong Yu, H. Jöstlein, A.S. Dyshkant, H. L. Melanson, P. Z. Quintas, Chris Hays, M. R. Krishnaswamy, M. Buehler, W. E. Cooper, S. Duensing, Suman Bala Beri, M. Diesburg, V.V. Abramov, Andrew White, N. R. Stanton, V. A. Bezzubov, J. P. Negret, R. P. Smith, Matthew Jones, A. Juste, B. Baldin, L. Lueking, Y. Ducros, A. Para, M. Abolins, J. H. Christenson, H. Schellman, J. M. Kohli, U. Bassler, David H. Adams, P. Grudberg, Sergey Chekulaev, Alice Bean, Michael Shupe, Arnaud Lucotte, J. Estrada, Meenakshi Narain, N. K. Mondal, H. T. Diehl, H. Singh, K. Del Signore, R. Jesik, X. C. Meng, John Hobbs, N. Parua, Randy Ruchti, D. R. Claes, A. Boehnlein, P. van Gemmeren, Alberto Santoro, A. V. Kotwal, Harrison Prosper, F. Canelli, S. Desai, J. Ellison, A. K.A. Maciel, Seong Keun Kim, D. Toback, M. Sosebee, Stefan Grünendahl, J. Thompson, Sergey Kuleshov, P. M. Tuts, M. Merkin, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, V. E. Kuznetsov, R. W. Stephens, V. V. Babintsev, J. Bantly, P. I. Goncharov, G. Ginther, S. Doulas, Jianming Qian, S. A. Jerger, C. Miao, B. Olivier, Raymond Brock, Boaz Klima, Andrew Brandt, S. R. Hou, Victor Daniel Elvira, G. Briskin, R. Engelmann, E. A. Kozlovsky, J. A. Wightman, H.E. Miettinen, D. Norman, A. Leflat, Jeffrey F. Krane, S. Willis, N. I. Bojko, M. I. Martin, R. D. Martin, B. Gómez, M. L. Stevenson, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, S. Tentindo-Repond, G. Di Loreto, J. McDonald, Z. H. Zhu, Kaushik De, Philip Baringer, Shashikant Dugad, S. Banerjee, Gregorio Bernardi, D. Denisov, S. M. Tripathi, V. Buescher, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, E. W. Anderson, Q. Z. Li, Stephen Wimpenny, A. R. Clark, Allen Mincer, Sebastian Grinstein, T. Marshall, A. V. Kostritskiy, Darien Wood, Sissel Hansen, Nicholas John Hadley, L. Coney, N. Sen, S. Blessing, S. N. Gurzhiev, Scott Snyder, R. J. Madaras, B. Gibbard, Viatcheslav Stolin, Yu-tin Huang, J. Sculli, Nikos Varelas, C. Lundstedt, D. Hedin, Neeti Parashar, M. Zielinski, V. Oguri, Gustaaf Brooijmans, Elizabeth Gallas, T. McMahon, F. Fleuret, R. Van Kooten, S. Feher, A. Besson, K. A. Johns, G. Graham, A. Zieminski, R. A. Sidwell, J. V.D. Wirjawan, E. Kajfasz, G. Steinbrück, Rajendran Raja, Brad Abbott, M. Fortner, N. W. Reay, J. Perkins, Emanuela Barberis, L. T. Goss, A. Baden, G. C. Blazey, H. Haggerty, R. Yamada, H. D. Wahl, N. Amos, M. Zanabria, Winston Ko, Orin I. Dahl, John Rutherfoord, Mary Beth Adams, James C. Green, K. S. Hahn, D. Cutts, O. Peters, Wagner Carvalho, Greg Landsberg, M. Paterno, K. Soustruznik, F. Borcherding, T. Yasuda, Miguel Mostafa, M. M. Baarmand, Wendy Taylor, A. Patwa, Sarah Catherine Eno, F. Nang, Richard B. Lipton, Roger Moore, P. Gartung, C. Klopfenstein, B. Knuteson, N. Sotnikova, R. J. Genik, D. Fein, Don Lincoln, P. W. Balm, Daniel John Karmgard, C. Hebert, Jing Li, N.V. Mokhov, A. P. Heinson, R. E. Hall, J. L. González Solís, Z. Casilum, S. Krzywdzinski, A. Zylberstejn, F. Lehner, H. Greenlee, A. Bross, G. A. Davis, and Serban Protopopescu
Subjects: Quantum chromodynamics, Absolute magnitude, Physics, Particle physics, Jet (fluid), 010308 nuclear & particles physics, General Physics and Astronomy, 01 natural sciences, Nuclear physics, Cross section (physics), Square root, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: The D0 Collaboration has measured the inclusive jet cross section in barpp collisions at square root of s = 630 GeV. The results for pseudorapidities (eta)
Published: 2001

10. Ratios of Multijet Cross Sections inpp¯Collisions at√s=1.8TeV

Author: P. Demine, H. Zheng, P. Hanlet, Robert Hirosky, D. Coppage, P. A. Rapidis, A. Jonckheere, A. P. Vorobiev, R. Demina, G. Gutierrez, Gilvan Alves, Stephan Linn, B. May, T. Rockwell, Iain Alexander Bertram, V. S. Narasimham, E. T. Goss, Thomas G Trippe, N. Oshima, S. Reucroft, Michael Rijssenbeek, Daria Zieminska, R. D. Schamberger, M. H.G. Souza, Anurag Gupta, M. A. Kubantsev, H. E. Montgomery, J. Snow, V. N. Evdokimov, G. Steinbrück, Chris Hays, Elizabeth Gallas, T. McMahon, Ulrich Heintz, M. Abolins, Jasvinder A. Singh, Z. Yu, Y. Fisyak, H. Jöstlein, V. A. Bezzubov, J. P. Negret, Bobby Samir Acharya, R. P. Smith, H. A. Neal, Daniel Whiteson, H. C. Shankar, Rajendran Raja, J. T. Linnemann, V. Sorín, K. Yip, Jinhong Yu, E. Groer, A.S. Dyshkant, M. Diesburg, Marvin Johnson, Michael Shupe, E. Oesch, A. V. Kozelov, D. Buchholz, S. Fuess, Andrew White, Pushpalatha C Bhat, Brad Abbott, H. L. Melanson, P. Z. Quintas, J. Estrada, C. Klopfenstein, M. Bhattacharjee, E. Popkov, K. Del Signore, H. E. Fisk, N. K. Mondal, A. A. Mayorov, R. K. Shivpuri, E. Coney, H. T. Diehl, H. Singh, K. Gounder, P. Grudberg, Anna Goussiou, A. V. Kotwal, Harrison Prosper, A. Boehnlein, K. A. Johns, S. Desai, E. G. Zverev, M. A.C. Cummings, M. Strovink, B. Hoeneisen, Sharon Hagopian, D. A. Stoyanova, A. S. Turcot, J. Ellison, A. K.A. Maciel, Lee Sawyer, S. P. Denisov, N.V. Mokhov, T. Heuring, J. H. Christenson, David H. Adams, D. R. Claes, Gregory R Snow, P. M. Tuts, V. E. Kuznetsov, Z. Zhou, J. Solomon, R. W. Stephens, John Hobbs, Gervasio Gomez, K. M. Mauritz, P. van Gemmeren, A. V. Kostritskiy, M. R. Krishnaswamy, Alice Bean, A. P. Heinson, Neeti Parashar, Shuichi Kunori, P.F. Ermolov, S. Doulas, Sissel Hansen, Vladimir Gavrilov, B. Knuteson, Michael Begel, Elemer Nagy, Haiyan Wang, V. Vaniev, A. Para, M. Zielinski, R. J. Madaras, F. Canelli, E. Lueking, Sergey Chekulaev, Suyong Choi, V. S. Burtovoi, S.A. Kahn, Kaushik De, M. E. Stevenson, Gordon Watts, Meenakshi Narain, V. Sirotenko, O. I. Dabi, N. Sen, E. Stutte, R. Gilmartin, T. Fahland, R. E. Hall, R. Piegaia, J. V.D. Wirjawan, K. Genser, M. Demarteau, N. Sotnikova, Z. Casilum, R. J. Genik, Wendy Taylor, A. Patwa, F. Fleuret, R. Snihur, K. Streets, Vipin Bhatnagar, J. M. Hauptman, R. Partridge, R. Van Kooten, S. Feher, A. Besson, E. Kajfasz, S. M. Tripathi, Cecilia Elena Gerber, G. Di Loreto, D. Hedin, E. J. Ramberg, M. Merkin, D. P. Stoker, Heriberto Castilla-Valdez, D. Fein, V. Simak, O. V. Eroshin, Gregorio Bernardi, D. Denisov, V. V. Babintsev, G. Ginther, Roger Moore, Y. Kulik, P. Padley, Alexey Volkov, G. Graham, A. Zieminski, M. Sosebee, E. Flattum, Phillip Gutierrez, Don Lincoln, P. W. Balm, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, Jianming Qian, J. Rha, J. E. González Solís, H. S. Mao, Stefan Grünendahl, S. Chopra, R. Eipton, Daniel John Karmgard, P. Gartung, J. Thompson, S. R. Hou, G. Briskin, Stephen Wimpenny, V. Oguri, P. Yamin, B. Gómez, C. Hebert, A. R. Clark, Alexander Belyaev, S. N. Gurzhiev, Howard Gordon, R. A. Sidwell, Z. H. Zhu, T. Marshall, Shashikant Dugad, J. Bantly, K. C. Frame, Ariel Schwartzman, E. Smith, Jeffrey F. Krane, Gustaaf Brooijmans, Viatcheslav Stolin, V. Buescher, K. M. Chan, Dhiman Chakraborty, J. Warchol, M. Chung, Patrick Slattery, Jing Li, Raymond Brock, K. W. Merritt, P. I. Goncharov, Darien Wood, C. Lundstedt, Boaz Klima, E. W. Anderson, U. Bassler, J. F. Bartlett, Andrew Brandt, R. Engelmann, V. Manankov, B. Pawlik, Q. Z. Li, S. Krzywdzinski, C. S. Mishra, Peter W. Draper, G. Eppley, J. Womersley, Allen Mincer, D. Casey, Nicholas John Hadley, J. Kotcher, E. A. Kozlovsky, H.E. Miettinen, D. Norman, N. Amos, D. Karmanov, S. Blessing, S. Negroni, Sebastian Grinstein, A. Zylberstejn, F. Lehner, H. Greenlee, Scott Snyder, C. Miao, B. Olivier, Alberto Santoro, Seong Keun Kim, S. Willis, D. Toback, H. da Motta, P. Rubinov, N. Graf, J. G.R. Lima, A. N. Galyaev, Vasken Hagopian, A. Bross, D. K. Cho, H. Weerts, Z. M. Wang, Lev Dudko, W. E. Cooper, S. Duensing, H. D. Wahl, M. Zanabria, M. Fortner, N. W. Reay, G. A. Davis, Serban Protopopescu, Winston Ko, A. S. Ito, E. J. Pan, J. Perkins, O. Peters, B. Gibbard, V.V. Abramov, T. Yasuda, Matthew Jones, Emanuela Barberis, Arnaud Lucotte, F. Stichelbaut, Yu-tin Huang, J. Sculli, N. Parua, Randy Ruchti, Nikos Varelas, H. Haggerty, R. L. McCarthy, M. Roco, A. Baden, G. C. Blazey, R. Yamada, John Rutherfoord, B. Baldin, Mary Beth Adams, Y. Ducros, James C. Green, X. C. Meng, F. Borcherding, Sergey Kuleshov, Victor Daniel Elvira, J. A. Wightman, M. Buehler, N. I. Bojko, Miguel Mostafa, R. D. Martin, M. M. Baarmand, Sarah Catherine Eno, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, N. R. Stanton, H. Piekarz, F. Nang, S. Youssef, R. Jesik, K. S. Hahn, D. Cutts, Robert Kehoe, V. Zutshi, Wagner Carvalho, Greg Landsberg, M. Paterno, K. Soustruznik, S. A. Jerger, A. Leflat, D. Mihalcea, B. Connolly, Richard Breedon, M. I. Martin, S. Tentindo-Repond, J. McDonald, Philip Baringer, S. Banerjee, B. G. Pope, Elizaveta Shabalina, J. T. White, D. A. Wijngaarden, Michael A. Strauss, Suman Bala Beri, A. Juste, D. Edmunds, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Babukhadia, and D. Shpakov
Subjects: Quantum chromodynamics, Physics, Particle physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Tevatron, General Physics and Astronomy, Jet (particle physics), 01 natural sciences, law.invention, Nuclear physics, Renormalization, Transverse plane, law, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, 010306 general physics, Collider, Bar (unit)
Abstract: We report on a study of the ratio of inclusive three-jet to inclusive two-jet production cross sections as a function of total transverse energy in p (p) over bar collisions at it center-of-mass energy roots = 1.8 TeV, using data collected with the DO detector during the 1992-1993 run of the Fermilab Tevatron Collider. The measurements are used to deduce preferred renormalization scales in perturbative O(alpha (3)(s)) QCD calculations in modeling soft-jet emission.
Published: 2001

11. Inclusive Jet Production inpp¯Collisions

Author: M. Merkin, Raymond Brock, Boaz Klima, R. Beuselinck, D. Norman, S. Willis, A. N. Galyaev, D. K. Cho, R. Illingworth, W. E. Cooper, S. Duensing, Pushpalatha C Bhat, G. Eppley, Robert Hirosky, B. May, Anupam Gupta, D. Buchholz, C. Klopfenstein, Vipin Bhatnagar, D. Bauer, Stephen Wimpenny, K. Gounder, B. G. Pope, M. A.C. Cummings, B. Hoeneisen, N. Parua, V.V. Abramov, H. da Motta, J. G.R. Lima, R. Demina, G. Gutierrez, R. Snihur, D. Mihalcea, B. Connolly, Richard Breedon, F. Borcherding, E. Coney, Gilvan Alves, E. Duflot, A. S. Ito, V. Simak, Bobby Samir Acharya, H. A. Neal, M. Jaffré, Ulrich Heintz, V. S. Narasimham, T. Marshall, Kenneth Johns, Anna Goussiou, V. Oguri, F. Stichelbaut, Elizaveta Shabalina, R. Partridge, N.V. Mokhov, Thomas G Trippe, J. T. Linnemann, V. Sorín, H. E. Melanson, Jasvinder A. Singh, D. A. Wijngaarden, H. Jöstlein, P. Padley, Alexey Volkov, Gustaaf Brooijmans, T. C. Bacon, Haiyan Wang, T. Nunnemann, B. Baldin, K. Yip, A. P. Heinson, S.A. Kahn, Arnaud Lucotte, M. Diesburg, Andrew White, J. Warchol, R. J. Madaras, M. Demarteau, Y. Ducros, Darien Wood, Heriberto Castilla-Valdez, D. P. Stoker, K. W. Merritt, E. Sawyer, James H Cochran, Jinhong Yu, S. N. Gurzhiev, E. Groer, R. L. McCarthy, R. E. Hall, B. Knuteson, J. T. White, Nicholas John Hadley, Shuichi Kunori, A.S. Dyshkant, F. Fleuret, Z. Casilum, Michael A. Strauss, P. A. Rapidis, Gregory R Snow, Randy Ruchti, L. Lueking, Mitchell Wayne, E. Stutte, H. Schellman, J. M. Kohli, Emanuela Barberis, V. Vaniev, A. P. Vorobiev, M. Buehler, C. S. Mishra, S. Blessing, X. C. Meng, E. Popkov, Scott Snyder, A. Jonckheere, K. Del Signore, A. A. Mayorov, Matthew Jones, S. Krzywdzinski, R. Van Kooten, M. Roco, J. F. Bartlett, Elizabeth Gallas, T. McMahon, N. Sotnikova, K. M. Mauritz, P. Demine, V. Manankov, N. R. Stanton, L. T. Goss, T. Heuring, Stefan Grünendahl, Sergey Kuleshov, S. Feher, A. Besson, R. J. Genik, J. Thompson, R. K. Shivpuri, J. Snow, M. Strovink, N. Oshima, H. Zheng, Charles Leggett, P. Hanlet, J. Rha, J. E. González Solís, S. R. Hou, John Hobbs, Daria Zieminska, Vasken Hagopian, D. Coppage, P. M. Tuts, Victor Daniel Elvira, V. E. Kuznetsov, A. Zylberstejn, K. M. Chan, Dhiman Chakraborty, F. Lehner, H. Greenlee, G. Graham, D. R. Claes, P. van Gemmeren, P.F. Ermolov, H. Weerts, Z. M. Wang, Miguel Mostafa, R. W. Stephens, B. Gómez, A. Zieminski, R. Jesik, S. Doulas, Lev Dudko, J. Womersley, M. A. Kubantsev, J. A. Wightman, Shashikant Dugad, D. Hedin, Kaushik De, Sergey Chekulaev, Ricardo Piegaia, H. Haggerty, M. M. Baarmand, Elemer Nagy, Sarah Catherine Eno, M. Bhattacharjee, H. D. Wahl, M. Zanabria, G. A. Davis, Serban Protopopescu, H. S. Mao, N. I. Bojko, S. Reucroft, T. Fahland, R. D. Martin, E. J. Ramberg, Winston Ko, M. Abolins, D. Karmanov, R. A. Sidwell, P. Yamin, O. Peters, Sharon Hagopian, Alexander Belyaev, D. Fein, S. Negroni, V. S. Burtovoi, Viatcheslav Stolin, Y. Kulik, S. M. Tripathi, Don Lincoln, A. Leflat, A. V. Kostritskiy, E. Flattum, J. S. Hoftun, K. Davis, J. N. Butler, P. W. Balm, S. Fuess, Daniel John Karmgard, P. D. Grannis, M. I. Martin, K. Papageorgiou, T. Rockwell, Iain Alexander Bertram, N. K. Mondal, H. Piekarz, Sissel Hansen, Suman Bala Beri, S. Chopra, M. Fortner, C. Hebert, T. Yasuda, Wendy Taylor, A. Bross, N. W. Reay, A. Abdesselam, H. T. Diehl, Ariel Schwartzman, G. Steinbrück, Michael Rijssenbeek, A. Patwa, J. Perkins, Allan G Clark, Roger Moore, N. Amos, Peter W. Draper, Patrick Slattery, H. Singh, S. Youssef, E. Smith, S. Tentindo-Repond, Melissa Ridel, A. Juste, N. Sen, Rajendran Raja, M. Sosebee, J. McDonald, D. A. Stoyanova, A. S. Turcot, A. Boehnlein, M. Chung, V. Zutshi, R. D. Schamberger, Y. Fisyak, Gervasio Gomez, Vladimir Gavrilov, F. Nang, Richard B. Lipton, Philip Baringer, Yu-tin Huang, Marvin Johnson, Michael Begel, Howard Gordon, K. C. Frame, Brad Abbott, Pierre Petroff, V. N. Evdokimov, D. Shpakov, A. V. Kozelov, J. Ellison, A. K.A. Maciel, C. Lundstedt, Gordon Watts, Nikos Varelas, K. Genser, V. Sirotenko, K. S. Hahn, D. Edmunds, Sergey Denisov, V. Buescher, E. W. Anderson, D. Cutts, Andre Sznajder, M. R. Krishnaswamy, Yuri Gershtein, O. V. Eroshin, Q. Z. Li, S. A. Jerger, M. D. Peters, P. I. Goncharov, A. Para, B. Pawlik, J. V.D. Wirjawan, C. Miao, B. Olivier, L. Oesch, Sebastian Grinstein, L. Babukhadia, Wagner Carvalho, M. H.G. Souza, Phillip Gutierrez, Chris Hays, V. A. Bezzubov, H. E. Montgomery, J. P. Negret, Greg Landsberg, Sw. Banerjee, E. Kajfasz, Suyong Choi, Z. Yu, Daniel Whiteson, D. Casey, R. P. Smith, J. Kotcher, Michael Shupe, N. Graf, M. Paterno, K. Soustruznik, P. Z. Quintas, J. Estrada, J. H. Christenson, David H. Adams, Alice Bean, F. Canelli, A. Baden, A. V. Kotwal, Andrew Brandt, R. Engelmann, G. C. Blazey, Harrison Prosper, S. Desai, E. A. Kozlovsky, H.E. Miettinen, R. Yamada, G. Di Loreto, E. G. Zverev, John Rutherfoord, Gregorio Bernardi, D. Denisov, C. Luo, Mary Beth Adams, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, James C. Green, Meenakshi Narain, S. E. Linn, Neeti Parashar, M. Zielinski, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, R. Gilmartin, M. Gao, U. Bassler, Alberto Santoro, Seong Keun Kim, D. Toback, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, G. Briskin, Jeffrey F. Krane, and Li Jingyuan
Subjects: Quantum chromodynamics, Physics, Particle physics, 010308 nuclear & particles physics, Tevatron, General Physics and Astronomy, Parton, Jet (particle physics), 7. Clean energy, 01 natural sciences, Nuclear physics, Cross section (physics), Distribution function, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, 010306 general physics
Abstract: We report a new measurement of the pseudorapidity (eta) and transverse-energy (Et) dependence of the inclusive jet production cross section in pbar b collisions at sqrt(s) = 1.8 TeV using 95 pb**-1 of data collected with the DZero detector at the Fermilab Tevatron. The differential cross section d^2sigma/dEt deta is presented up to |eta| = 3, significantly extending previous measurements. The results are in good overall agreement with next-to-leading order predictions from QCD and indicate a preference for certain parton distribution functions.
Published: 2001

12. [Untitled]

Author: Alexander Leflat, Yu.P. Petukhov, V. Yu. Volkov, A. G. Kholodenko, E. N. Ardashev, Yu. P. Tsyupa, V. V. Babintsev, Galina Bogdanova, and N. A. Shalanda
Subjects: Active target, Scintillation, Hodoscope, Spectrometer, Computer science, business.industry, Singular value decomposition, Table (database), Vertex detector, business, Instrumentation, Computer hardware, Data selection
Abstract: A first-level trigger system for the SVD-2 setup, based on an active target and a scintillation hodoscope, is described. The implementation of the table method for data selection in the trigger system is presented. The good performance of the first-level trigger system was demonstrated in the testing run of the Serpukhov accelerator in 1999.
Published: 2001

13. Cross Section forb-Jet Production inp¯pCollisions at√s=1.8TeV

Author: S. Grinstein, M. Abolins, V. Sirotenko, Ulrich Heintz, A. Juste, C. S. Mishra, N. K. Mondal, H. T. Diehl, Elizaveta Shabalina, H. Singh, G. Gutierrez, Y. Ducros, P. Gutierrez, K. Del Signore, M. Merkin, M. Sosebee, A. V. Kostritskiy, Stephen Wimpenny, M. Demarteau, V. Gavrilov, B. May, M. H.G. Souza, T. Heuring, A. V. Kotwal, J. Ellison, A. K.A. Maciel, S. N. Gurzhiev, P. M. Tuts, E. Ramberg, R. Snihur, H. L. Melanson, Y. Kulik, Anurag Gupta, B. Baldin, V. A. Bezzubov, H. Jöstlein, D. Lincoln, Jasvinder A. Singh, R. P. Smith, E. Nagy, S. A. Jerger, D. A. Stoyanova, A. S. Turcot, A. Bross, J. Bantly, Raymond Brock, Boaz Klima, D. Fein, L. Coney, Darien Wood, A. Leflat, H. E. Montgomery, Michael Shupe, Z. Yu, N. Sen, R. K. Shivpuri, Gervasio Gomez, V. E. Kuznetsov, R. W. Stephens, S. Feher, Daniel Whiteson, J. Estrada, C. Lundstedt, P. Rubinov, Nicholas John Hadley, H. E. Fisk, M. Jones, R. L. McCarthy, Andrew White, N. Amos, Harrison Prosper, Michael Begel, S. Tentindo-Repond, J. McDonald, S. P. Denisov, J. A. Wightman, S. Desai, S. Blessing, Andrew Brandt, R. Engelmann, A. A. Mayorov, P. W. Balm, Robert Hirosky, N. I. Bojko, D. Stoker, Daniel John Karmgard, D. Mihalcea, Scott Snyder, G. Watts, Suyong Choi, S. Willis, P. Padley, M. Strauss, Alexey Volkov, Philip Baringer, F. Lehner, P. Grudberg, D. Buchholz, R. D. Martin, P. C. Bhat, James H Cochran, S. Banerjee, Mitchell Wayne, H. Schellman, J. M. Kohli, M. R. Krishnaswamy, E. A. Kozlovsky, H.E. Miettinen, J. T. White, R. Demina, C. Hebert, T. Rockwell, Iain Alexander Bertram, Emanuela Barberis, Gilvan Alves, M. Buehler, F. Fleuret, G. Steinbrück, V.V. Abramov, M. L. Stevenson, J. Thompson, Michael Rijssenbeek, S. R. Hou, Anna Goussiou, K. M. Chan, Dhiman Chakraborty, N. Mokhov, M. Strovink, H. S. Mao, Heriberto Castilla-Valdez, X. C. Meng, E. Popkov, G. Di Loreto, Ron Lipton, L. Lueking, A. N. Galyaev, J. Yu, N. R. Stanton, Z. H. Zhu, V. S. Narasimham, Thomas G Trippe, Shashikant Dugad, V. Stolin, J. Womersley, B. Connolly, Richard Breedon, Alexander Belyaev, John Hobbs, J. S. Hoftun, K. Davis, J. N. Butler, V. N. Evdokimov, J. Warchol, B. Gómez, Gregory R Snow, P. Z. Quintas, H. D. Wahl, B. Hoeneisen, P. D. Grannis, H. Piekarz, Gregorio Bernardi, M. Bhattacharjee, Sergey Chekulaev, G. Brooijmans, K. Soustruznik, Srinivasan Rajagopalan, H. Greenlee, S. Doulas, V. Buescher, D. K. Cho, E. G. Zverev, R. Van Kooten, Patrick Slattery, Thomas Ferbel, K. M. Mauritz, A. Besson, E. W. Anderson, P.F. Ermolov, Winston Ko, P. I. Goncharov, Jing Li, Kaushik De, P. van Gemmeren, G. Eppley, T. Yasuda, S. Duensing, Daniel R Claes, V. Sorín, E. Kajfasz, Sharon Hagopian, D. Norman, Arnaud Lucotte, S. Youssef, C. Miao, B. Olivier, R. E. Hall, S. M. Tripathi, H. da Motta, J. G.R. Lima, S. Fuess, G. Graham, V. S. Burtovoi, W. E. Cooper, S. Kuleshov, Allen Mincer, M. Zanabria, R. J. Madaras, A. Zieminski, T. Marshall, V. D. Elvira, K. Genser, Meenakshi Narain, Neeti Parashar, L. Groer, D. Hedin, Robert Kehoe, V. Zutshi, L. T. Goss, O. Peters, A. Para, R. Piegaia, E. Gallas, E. Smith, S. Negroni, D. Karmanov, A. Zylberstejn, H. Haggerty, N. Parua, Randy Ruchti, R. Yamada, M. Zielinski, Howard Gordon, M. Mostafa, L. Sawyer, J. F. Bartlett, J. H. Christenson, S. Chopra, T. McMahon, K. C. Frame, R. A. Sidwell, C. Hays, P. A. Rapidis, B. Gibbard, Yu-tin Huang, J. Sculli, J. Snow, C. Klopfenstein, Vasken Hagopian, H. Weerts, Z. M. Wang, F. Stichelbaut, G. A. Davis, K. W. Merritt, Nikos Varelas, Serban Protopopescu, Lev Dudko, D. A. Wijngaarden, S. K. Kim, A. Schwartzman, A. S. Ito, M. Roco, J. V. D. Wirjawan, V. Manankov, V. Simak, A. P. Heinson, M. Chung, O. V. Eroshin, B. Knuteson, J. L. González Solís, K. A. Johns, Brad Abbott, Z. Casilum, N. Sotnikova, R. J. Genik, Wendy Taylor, A. Patwa, Allan G Clark, Roger Moore, P. Gartung, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, K. Yip, A.S. Dyshkant, T. Fahland, M. Fortner, N. W. Reay, J. Perkins, S. Hansen, M. Peters, A. Boehnlein, L. Stutte, V. Oguri, Y. Fisyak, M. M. Baarmand, Sarah Catherine Eno, H. Evans, Marvin Johnson, F. Nang, A. Baden, A. V. Kozelov, G. C. Blazey, Orin I. Dahl, John Rutherfoord, Mary Beth Adams, James C. Green, K. S. Hahn, D. Cutts, Wagner Carvalho, Greg Landsberg, M. Paterno, Suman Bala Beri, A. Jonckheere, D. Edmunds, Andre Sznajder, Yuri Gershtein, L. Oesch, L. Babukhadia, L. J. Pan, Z. Zhou, J. Solomon, Qiming Li, E. Flattum, R. Gilmartin, S. Krzywdzinski, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, G. Briskin, Jeffrey F. Krane, U. Bassler, Alberto Santoro, D. Toback, M. Diesburg, S. Grünendahl, R. Jesik, D. Zieminska, Shuichi Kunori, V. Vaniev, P. Yamin, D. Shpakov, P. Demine, H. Zheng, P. Hanlet, D. Coppage, F. Borcherding, D. Denisov, S. Reucroft, Peter W. Draper, B. Pawlik, A. P. Vorobiev, R. Raja, Stephan Linn, N. Oshima, R. D. Schamberger, M. A. Kubantsev, K. Gounder, M. A.C. Cummings, Haiyan Wang, S.A. Kahn, D. Casey, J. Kotcher, N. Graf, J. P. Negret, M. I. Martin, David H. Adams, Alice Bean, F. Canelli, K. Streets, Vipin Bhatnagar, R. Partridge, J. Rha, and B. G. Pope
Subjects: Quantum chromodynamics, Physics, Particle physics, 010308 nuclear & particles physics, Tevatron, General Physics and Astronomy, Jet (particle physics), 01 natural sciences, Bottom quark, law.invention, Nuclear physics, Cross section (physics), law, 0103 physical sciences, Physics::Accelerator Physics, High Energy Physics::Experiment, Rapidity, Fermilab, 010306 general physics, Collider
Abstract: Bottom quark production in pbar-p collisions at sqrt(s)=1.8 TeV is studied with 5 inverse picobarns of data collected in 1995 by the DO detector at the Fermilab Tevatron Collider. The differential production cross section for b jets in the central rapidity region (|y(b)| < 1) as a function of jet transverse energy is extracted from a muon-tagged jet sample. Within experimental and theoretical uncertainties, DO results are found to be higher than, but compatible with, next-to-leading-order QCD predictions.
Published: 2000

14. Spin Correlation intt¯Production frompp¯Collisions at√s=1.8TeV

Author: A. N. Galyaev, D. K. Cho, D. Fein, B. May, Don Lincoln, W. E. Cooper, Daniel R Claes, R. A. Sidwell, Daniel John Karmgard, C. Hebert, Robert Hirosky, B. Gobbi, Anurag Gupta, N. Amos, M. Abolins, Jing Li, D. Mihalcea, Jasvinder A. Singh, B. Connolly, W. Y. Chen, Richard Breedon, N.V. Mokhov, G. Gutierrez, Gilvan Alves, A. P. Heinson, M. Sosebee, S. A. Jerger, A. Leflat, M. Merkin, R. E. Hall, N. K. Mondal, J. L. González Solís, T. Rockwell, Iain Alexander Bertram, Z. Casilum, Emanuela Barberis, H. T. Diehl, H. Singh, R. L. McCarthy, V. S. Narasimham, Thomas G Trippe, J. Bantly, W. G. Cobau, M. I. Martin, N. W. Reay, Michael Rijssenbeek, A. Boehnlein, Raymond Brock, Boaz Klima, L. T. Goss, J. Ellison, Neeti Parashar, A. K.A. Maciel, M. Chung, S. Fuess, S. Tentindo-Repond, J. McDonald, V. N. Evdokimov, D. Norman, S. Willis, M. Zielinski, S. Krzywdzinski, Ron Lipton, M. Roco, J. Womersley, Andrew Brandt, D. Karmanov, S. Negroni, Brajesh C Choudhary, Andrew White, J. Snow, Vladimir Gavrilov, A. Zylberstejn, Bobby Samir Acharya, H. A. Neal, R. Engelmann, H. C. Shankar, J. T. Linnemann, V. Sorín, K. Yip, J. A. Wightman, N. I. Bojko, L. Stutte, Jinhong Yu, A.S. Dyshkant, Gordon Watts, Philip Baringer, F. Lehner, H. Greenlee, G. Eppley, Suyong Choi, Chris Hays, E. A. Kozlovsky, H.E. Miettinen, A. Bross, R. D. Martin, H. da Motta, J. G.R. Lima, H. Haggerty, V. A. Bezzubov, V. Sirotenko, O. V. Eroshin, J. P. Negret, T. Heuring, P. Grudberg, S. Banerjee, Phillip Gutierrez, M. L. Stevenson, Serban Protopopescu, R. P. Smith, T. McMahon, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, M. Bhattacharjee, Ulrich Heintz, H. Jöstlein, E. Popkov, John Hobbs, A. S. Ito, B. Baldin, C. S. Mishra, Michael Shupe, G. Guglielmo, Y. Ducros, K. Del Signore, J. Estrada, D. Edmunds, G. Di Loreto, Gregorio Bernardi, D. Denisov, Sharon Hagopian, M. Diesburg, J. Tarazi, E. G. Zverev, Sergey Kuleshov, Vasken Hagopian, Andre Sznajder, Yuri Gershtein, Victor Daniel Elvira, T. Fahland, V. Buescher, F. Stichelbaut, U. Bassler, R. Gilmartin, M. Fortner, Srinivasan Rajagopalan, Elemer Nagy, M. D. Peters, Hal Evans, H. Weerts, A. V. Kotwal, Lev Dudko, S. Youssef, E. W. Anderson, Thomas Ferbel, Harrison Prosper, P. M. Tuts, Robert Kehoe, V. Zutshi, T. McKibben, E. Flattum, J. Perkins, J. G. Lu, Q. Z. Li, L. Oesch, R. W. Stephens, L. Babukhadia, P. I. Goncharov, C. Miao, Alberto Santoro, Meenakshi Narain, Michael A. Strauss, V.V. Abramov, Alexander Belyaev, Ariel Schwartzman, E. Smith, Matthew Jones, S. N. Gurzhiev, Patrick Slattery, Seong Keun Kim, Allen Mincer, P. Yamin, Sebastian Grinstein, D. Toback, B. Olivier, Heriberto Castilla-Valdez, R. Piegaia, Arnaud Lucotte, R. J. Madaras, D. A. Stoyanova, R. Snihur, Gervasio Gomez, A. V. Kostritskiy, T. Joffe-Minor, Viatcheslav Stolin, N. Parua, Randy Ruchti, S. Mani, Sissel Hansen, Alexander Vorobiev, Y. Kulik, H. E. Fisk, F. Fleuret, R. Jesik, L. Coney, L. J. Pan, Suman Bala Beri, N. Sen, C. Lundstedt, N. R. Stanton, D. Cullen-Vidal, K. Genser, Z. Zhou, J. Solomon, D. Hedin, A. Juste, P. Padley, Alexey Volkov, S. Feher, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, Peter W. Draper, Stefan Grünendahl, J. Thompson, B. Gómez, J. M. Hauptman, Z. H. Zhu, Shashikant Dugad, Cecilia Elena Gerber, V. V. Babintsev, A. S. Turcot, G. Ginther, K. S. Hahn, Jianming Qian, G. Briskin, Jeffrey F. Krane, D. Cutts, A. Jonckheere, Stephan Linn, Wagner Carvalho, A. Zieminski, N. Oshima, Daria Zieminska, R. D. Schamberger, K. M. Chan, Dhiman Chakraborty, M. A. Kubantsev, Pushpalatha C Bhat, Greg Landsberg, K. Gounder, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, S. Y. Jun, B. G. Pope, T. L.T. Thomas, Haiyan Wang, S.A. Kahn, M. Demarteau, G. Steinbrück, M. Paterno, Rajendran Raja, Brad Abbott, A. Baden, G. C. Blazey, D. Buchholz, R. Yamada, Elizaveta Shabalina, Orin I. Dahl, John Rutherfoord, J. T. White, Mary Beth Adams, S. Chopra, Anna Goussiou, James C. Green, F. Borcherding, Gregory R Snow, M. H.G. Souza, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, H. E. Montgomery, Z. Yu, Daniel Whiteson, K. M. Mauritz, F. Nang, P.F. Ermolov, V. S. Burtovoi, Shuichi Kunori, V. Vaniev, K. Streets, Vipin Bhatnagar, D. Shpakov, R. Partridge, H. Zheng, P. Hanlet, D. Coppage, S. Reucroft, H. S. Mao, H. L. Melanson, P. Z. Quintas, D. P. Stoker, A. A. Mayorov, J. H. Christenson, M. Strovink, David H. Adams, Alice Bean, Y. Fisyak, Marvin Johnson, A. V. Kozelov, B. Pawlik, D. Casey, J. Kotcher, N. Graf, H. D. Wahl, M. Zanabria, Winston Ko, T. Yasuda, C. Klopfenstein, B. Knuteson, X. F. Song, N. Sotnikova, J. V.D. Wirjawan, R. J. Genik, Wendy Taylor, A. Patwa, Allan G Clark, P. Gartung, Stephen Wimpenny, T. Marshall, Darien Wood, E. Kajfasz, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, R. K. Shivpuri, P. van Gemmeren, Kaushik De, V. Oguri, Gustaaf Brooijmans, S. P. Denisov, J. Warchol, M. R. Krishnaswamy, B. Gibbard, A. Para, Elizabeth Gallas, J. Sculli, Sergey Chekulaev, Nikos Varelas, P. Rubinov, K. A. Johns, K. W. Merritt, J. F. Bartlett, V. Manankov, L. Lueking, Howard Gordon, V. Akimov, and K. C. Frame
Subjects: Physics, Top quark, Particle physics, Antiparticle, Luminosity (scattering theory), Correlation coefficient, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, General Physics and Astronomy, 01 natural sciences, Standard Model, Nuclear physics, Pair production, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Spin-½, Boson
Abstract: The D0 collaboration has performed a study of spin correlation in tt-bar production for the process tt-bar to bb-bar W^+W^-, where the W bosons decay to e-nu or mu-nu. A sample of six events was collected during an exposure of the D0 detector to an integrated luminosity of approximately 125 pb^-1 of sqrt{s}=1.8 TeV pp-bar collisions. The standard model (SM) predicts that the short lifetime of the top quark ensures the transmission of any spin information at production to the tt-bar decay products. The degree of spin correlation is characterized by a correlation coefficient k. We find that k>-0.25 at the 68% confidence level, in agreement with the SM prediction of k=0.88.
Published: 2000

15. Measurement of theW→τνProduction Cross Section inpp¯Collisions ats=1.8TeV

Author: A. Baden, M. Fortner, M. Kubantsev, J. Perkins, M. Demarteau, T. Fahland, S. P. Denisov, G. C. Blazey, T. Heuring, M. R. Krishnaswamy, F. Hsieh, D. P. Stoker, Y. Ducros, S. Grinstein, M. Merkin, Orin I. Dahl, John Rutherfoord, C. S. Mishra, D. Norman, G. Steinbrück, A. Schwartzman, Steve Reucroft, Sergey Chekulaev, G. Brooijmans, T. McMahon, Sergey Kuleshov, Victor Daniel Elvira, Mary Beth Adams, P. Rubinov, N. R. Stanton, Ulrich Heintz, D. Casey, R. Yamada, L. Sawyer, F. Stichelbaut, K. W. Merritt, Michael A. Strauss, S. Rajagopalan, P. C. Bhat, V.V. Abramov, E. Popkov, B. Olivier, V. Manankov, J. A. Wightman, N. I. Bojko, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, R. D. Martin, H. L. Melanson, S. Kahn, L. Lueking, J. Kotcher, James C. Green, R. E. Hall, K. S. Hahn, D. Cutts, Wagner Carvalho, A. Bross, Raymond Brock, Boaz Klima, Y. Kulik, C. Klopfenstein, D. Owen, M. Roco, Greg Landsberg, J. Tarazi, Brad Abbott, B. May, R. A. Sidwell, N. Parashar, G. Watts, J. T. Linnemann, M. Diesburg, K. Yip, S. Grünendahl, Y. Fisyak, S. K. Kim, K. Genser, K. Del Signore, M. L. Stevenson, T. Rockwell, Iain Alexander Bertram, M. Paterno, B. Baldin, Matthew Jones, B. Gobbi, M. I. Martin, D. Buchholz, A.S. Dyshkant, Michael Rijssenbeek, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, Andrew White, S. Willis, E. G. Zverev, H. Piekarz, S.H. Ahn, M. Mostafa, M. Strovink, M. Zielinski, Anurag Gupta, N. Parua, A. Boehnlein, P. I. Goncharov, Shuichi Kunori, V. Vaniev, Y. Pischalnikov, Jasvinder A. Singh, P. Hanlet, Suman Bala Beri, D. Koltick, M. M. Baarmand, Sarah Catherine Eno, D. Shpakov, P. Grudberg, A. N. Galyaev, S. Chopra, Suyong Choi, J. Snow, V. Akimov, C. Miao, H. Zheng, D. Coppage, F. Borcherding, D. Denisov, R. Snihur, S. Negroni, F. Nang, D. K. Cho, K. C. Frame, Alexander Belyaev, Arnaud Lucotte, Anna Goussiou, David H. Adams, Haifeng Li, P. M. Tuts, John Hobbs, N. W. Reay, F. Fleuret, Heriberto Castilla-Valdez, R. W. Stephens, S. Feher, Daniel R Claes, B. Connolly, Patrick Slattery, Richard Breedon, K. A. Johns, K. Streets, Vipin Bhatnagar, M. Abolins, S. Youssef, D. A. Stoyanova, Y. Yu, H. Greenlee, G. Di Loreto, V. Sorín, R. Partridge, V. N. Evdokimov, Robert Hirosky, J. G. Lu, Gervasio Gomez, Meenakshi Narain, J. M. Hauptman, G. Guglielmo, Robert Kehoe, V. Zutshi, Gregorio Bernardi, B. Gómez, Randy Ruchti, A. Zieminski, M. Chung, N. K. Mondal, H. T. Diehl, R. K. Shivpuri, X. F. Song, Marvin Johnson, H. Singh, B. Knuteson, H. S. Mao, D. Cullen-Vidal, Hal Evans, Thomas Ferbel, B. Hoeneisen, M. Zanabria, A. V. Kozelov, W. Y. Chen, Gilvan Alves, R. Jesik, Gregory R Snow, T. McKibben, J. Yu, E. Kajfasz, J. Ellison, A. K.A. Maciel, J. F. Bartlett, S. Hansen, K. M. Chan, Dhiman Chakraborty, Cecilia Elena Gerber, V. S. Narasimham, V. V. Babintsev, M. Tartaglia, G. Ginther, L. Stutte, V. Oguri, Thomas G Trippe, Kaushik De, P. van Gemmeren, Jianming Qian, Vladimir Gavrilov, M. Bhattacharjee, S. N. Gurzhiev, S. Y. Jun, P. Z. Quintas, T. L.T. Thomas, A. Jonckheere, M. Sosebee, G. Briskin, V. Sirotenko, J. V. D. Wirjawan, D. Edmunds, Viatcheslav Stolin, S. Protopopescu, Sharon Hagopian, N. Sotnikova, Jeffrey F. Krane, O. V. Eroshin, Phillip Gutierrez, H. Gordon, J. Warchol, Andre Sznajder, R. J. Genik, W. E. Cooper, Stephen Wimpenny, D. Lincoln, Yuri Gershtein, C. Lundstedt, J. Bantly, J. T. White, Ron Lipton, B. Pawlik, L. Oesch, D. R. Green, Darien Wood, L. Babukhadia, Nicholas John Hadley, J. H. Christenson, Andrew Brandt, J. Womersley, Vasken Hagopian, R. J. Madaras, R. Engelmann, S. Blessing, E. A. Kozlovsky, H. Weerts, U. Bassler, Scott Snyder, H.E. Miettinen, Lev Dudko, R. Markeloff, A. S. Ito, A. Para, B. Gibbard, H. D. Wahl, Winston Ko, D. Karmanov, J. Sculli, L. T. Goss, M. H.G. Souza, Nikos Varelas, Alberto Santoro, A. Patwa, A. A. Mayorov, Brajesh C Choudhary, Allan G Clark, S. A. Jerger, D. Toback, T. Joffe-Minor, P. Gartung, A. Leflat, D. Hedin, Chris Hays, H. E. Montgomery, W. G. Cobau, Z. Zhou, J. Solomon, Qiming Li, J. P. Negret, V. A. Bezzubov, E. Flattum, R. Gilmartin, S. Krzywdzinski, H. Jöstlein, R. P. Smith, Michael Shupe, J. McDonald, K. M. Mauritz, P.F. Ermolov, J. Estrada, A. V. Kotwal, Harrison Prosper, Philip Baringer, F. Lehner, A. P. Heinson, J. L. González Solís, Z. Casilum, D. Fein, H. E. Fisk, Daniel John Karmgard, C. Hebert, Jing Li, T. Yasuda, A. V. Kostritskiy, L. Coney, N. Sen, M. Peters, V. Buescher, A. Zylberstejn, E. Smith, E. W. Anderson, V. S. Burtovoi, Allen Mincer, P. Yamin, H. Haggerty, R. Piegaia, P. Padley, Alexey Volkov, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, J. Thompson, S. Banerjee, Z. H. Zhu, Shashikant Dugad, A. S. Turcot, B. G. Pope, Elizaveta Shabalina, G. Gutierrez, Emanuela Barberis, N. Mokhov, E. Nagy, E. Gallas, N. Amos, G. Eppley, H. da Motta, J. G.R. Lima, D. Zieminska, S. Fuess, R. L. McCarthy, T. Marshall, N. Graf, S. Mani, Peter W. Draper, K. Gounder, M. A.C. Cummings, A. P. Vorobiev, R. Raja, Stephan Linn, N. Oshima, and R. D. Schamberger
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Electroweak interaction, General Physics and Astronomy, Electron, 01 natural sciences, Nuclear physics, Pair production, 0103 physical sciences, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, 010306 general physics, Charged current, Lepton
Abstract: of data collected with the DO detector during 1993-1995. We find that a(p (p) over bar --> W + X)B(W --> tau nu) = 2.22 +/- 0.09 (stat) +/- 0.10 (syst) +/- 0.10 (lum) nb. Lepton universality predicts that the ratio of the tau and electron electroweak charged current couplings to the W boson, g(T)(W)/g(e)(W), be unity. We find g(T)(W)/g(e)(W) = 0.980 +/- 0.031, in agreement with lepton universality.
Published: 2000

16. Probing Balitsky-Fadin-Kuraev-Lipatov Dynamics in the Dijet Cross Section at Large Rapidity Intervals inpp¯Collisions at√s=1800and 630 GeV

Author: R. Piegaia, P. Padley, Alexey Volkov, Chris Hays, D. A. Stoyanova, James H Cochran, V. A. Bezzubov, Mitchell Wayne, H. Schellman, J. M. Kohli, H. Jöstlein, Suyong Choi, R. P. Smith, Gervasio Gomez, B. May, J. Thompson, N. W. Reay, David H. Adams, Alice Bean, D. Buchholz, T. McMahon, Z. H. Zhu, Michael Shupe, Shashikant Dugad, G. Di Loreto, B. Gobbi, Wendy Taylor, Anurag Gupta, D. Cullen-Vidal, A. S. Turcot, A. Patwa, Marvin Johnson, J. Estrada, Jasvinder A. Singh, Gregorio Bernardi, Allan G Clark, A. V. Kozelov, N. R. Stanton, A. Zylberstejn, S. Negroni, A. V. Kotwal, Harrison Prosper, Hal Evans, Thomas Ferbel, M. Chung, V. Buescher, T. Fahland, R. A. Sidwell, S. Hansen, S. Chopra, G. Eppley, Anna Goussiou, P. Gartung, A. Baden, L. Stutte, V. Oguri, E. W. Anderson, A. Para, G. Guglielmo, K. Genser, K. Streets, Vipin Bhatnagar, R. Partridge, J. A. Wightman, B. Gómez, N. I. Bojko, R. Yamada, Gregory R Snow, G. C. Blazey, H. da Motta, J. G.R. Lima, S. Fuess, M. Demarteau, S. Protopopescu, H. Gordon, J. Kotcher, D. Fein, H. E. Fisk, J. Sculli, Daniel John Karmgard, B. Pawlik, H. S. Mao, L. Lueking, C. Hebert, R. Snihur, E. Popkov, Allen Mincer, M. Zielinski, R. D. Martin, T. Heuring, J. Warchol, N. Parua, H. Haggerty, M. Zanabria, Jing Li, Nikos Varelas, T. Yasuda, K. M. Mauritz, P. I. Goncharov, D. P. Stoker, A. P. Heinson, M. Strauss, A. V. Kostritskiy, M. Kubantsev, D. Zieminska, Bobby Samir Acharya, H. A. Neal, Heriberto Castilla-Valdez, J. L. González Solís, H. C. Shankar, J. T. Linnemann, Z. Casilum, M. Peters, Stephen Wimpenny, M. Diesburg, M. Roco, E. Smith, Ulrich Heintz, C. S. Mishra, K. Yip, P.F. Ermolov, D. Norman, C. Miao, B. Olivier, L. Coney, N. Sen, M. L. Stevenson, P. Gutierrez, S. Grünendahl, J. T. White, R. J. Madaras, S. N. Gurzhiev, H. L. Melanson, H. D. Wahl, Winston Ko, B. Hoeneisen, Y. Kulik, A. A. Mayorov, T. Marshall, Darien Wood, M. Abolins, K. Del Signore, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, S. Rajagopalan, A.S. Dyshkant, H. Piekarz, Nicholas John Hadley, Viatcheslav Stolin, B. Baldin, M. Jones, Andrew White, K. A. Johns, R. Jesik, V. S. Burtovoi, E. G. Zverev, N. K. Mondal, H. T. Diehl, V. D. Elvira, D. Casey, D. Hedin, C. Lundstedt, J. Snow, P. Grudberg, F. Fleuret, R. E. Hall, J. Tarazi, A. Zieminski, R. L. McCarthy, Shuichi Kunori, J. P. Negret, S. Blessing, R. Markeloff, Alexander Leflat, M. Strovink, P. M. Tuts, S. Youssef, Ron Lipton, P. C. Bhat, A. P. Vorobiev, R. Raja, H. Singh, V. Vaniev, J. Ellison, A. K.A. Maciel, J. Womersley, Vasken Hagopian, R. W. Stephens, S. Feher, John Hobbs, S. Snyder, C. Klopfenstein, H. Weerts, Stephan Linn, Orin I. Dahl, John Rutherfoord, D. Shpakov, Mary Beth Adams, Meenakshi Narain, N. Graf, Robert Hirosky, Robert Kehoe, V. Zutshi, S. Reucroft, T. Rockwell, Iain Alexander Bertram, G. Steinbrück, V. Sorín, H. Zheng, Michael Rijssenbeek, L. T. Goss, N. Oshima, S. Kahn, B. Knuteson, D. Coppage, W. Y. Chen, Gilvan Alves, D. Karmanov, F. Borcherding, D. Denisov, R. D. Schamberger, S. K. Kim, Lev Dudko, Alexander Belyaev, K. M. Chan, Dhiman Chakraborty, Kaushik De, P. van Gemmeren, N. Sotnikova, R. J. Genik, Brajesh C Choudhary, V. N. Evdokimov, M. H.G. Souza, J. V. D. Wirjawan, V. Akimov, F. Stichelbaut, Patrick Slattery, Brad Abbott, K. C. Frame, V. S. Narasimham, Thomas G Trippe, M. Bhattacharjee, James C. Green, K. Gounder, M. Sosebee, S. P. Denisov, Z. Yu, Daniel Whiteson, M. A.C. Cummings, A. S. Ito, D. Lincoln, J. Bantly, A. Juste, Sharon Hagopian, M. Fortner, K. S. Hahn, M. R. Krishnaswamy, Andrew Brandt, R. Engelmann, E. A. Kozlovsky, Y. Ducros, B. Gibbard, D. Cutts, W. E. Cooper, Wagner Carvalho, Sergey Chekulaev, H.E. Miettinen, Haiyan Wang, J. Perkins, J. F. Bartlett, G. Brooijmans, S. Y. Jun, Vladimir Gavrilov, Greg Landsberg, X. F. Song, J. G. Lu, T. L.T. Thomas, V. Sirotenko, P. Rubinov, Sergey Kuleshov, P. Yamin, K. W. Merritt, N. Amos, Emanuela Barberis, M. Paterno, N. Parashar, A. Boehnlein, O. V. Eroshin, V.V. Abramov, J. H. Christenson, N. Mokhov, S. Mani, Peter W. Draper, E. Gallas, V. Manankov, M. M. Baarmand, Sarah Catherine Eno, P. Hanlet, G. Watts, E. Nagy, F. Nang, R. K. Shivpuri, Arnaud Lucotte, Suman Bala Beri, Randy Ruchti, Y. Fisyak, A. Jonckheere, D. Edmunds, Andre Sznajder, Yuri Gershtein, L. Oesch, L. Babukhadia, B. Connolly, Richard Breedon, H. Greenlee, M. Mostafa, A. N. Galyaev, D. K. Cho, Daniel R Claes, A. Schwartzman, M. Merkin, L. Sawyer, A. Bross, Raymond Brock, Boaz Klima, E. Kajfasz, S. Willis, T. McKibben, J. Yu, P. Z. Quintas, B. G. Pope, Elizaveta Shabalina, G. Gutierrez, S. Grinstein, S. A. Jerger, H. E. Montgomery, W. G. Cobau, S. Tentindo-Repond, J. McDonald, Philip Baringer, F. Lehner, S. Banerjee, D. Mihalcea, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, G. Briskin, Jeffrey F. Krane, T. Joffe-Minor, L. J. Pan, Z. Zhou, J. Solomon, Qiming Li, E. Flattum, R. Gilmartin, S. Krzywdzinski, U. Bassler, Alberto Santoro, D. Toback, and M. I. Martin
Subjects: Physics, Particle physics, Meson, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, General Physics and Astronomy, Parton, HERA, Deep inelastic scattering, 01 natural sciences, Nuclear physics, Pomeron, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Resummation, Nuclear Experiment, 010306 general physics
Abstract: Inclusive dijet production at large pseudorapidity intervals (Delta eta) between the two jets has been suggested as a regime for observing Balitsky-Fadin-Kuraev-Lipatov (BFKL) dynamics. We have measured the dijet cross section for large Delta eta in p (p) over bar collisions at root s = 1800 and 630 GeV using the D0 detector. The partonic cross section increases strongly with the size of Delta eta; The observed growth is even stronger than expected on the basis of BFKL resummation in the leading logarithmic approximation. The growth of the partonic cross section can be accommodated with an effective BFKL intercept of alpha(BFKL)(20 GeV) = 1.65 +/- 0.07.
Published: 2000

17. Small-Angle Muon and Bottom-Quark Production inpp¯Collisions at√s=1.8TeV

Author: Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, P. Hanlet, D. Coppage, M. Sosebee, T. McMahon, G. Briskin, B. May, J. Bantly, Jeffrey F. Krane, P. I. Goncharov, S. Youssef, S. Choi, C. Miao, Neeti Parashar, H. L. Melanson, P. Z. Quintas, A. Sanchez-Hernandez, S. Reucroft, Andrew Brandt, R. Engelmann, M. Zielinski, Robert Kehoe, B. Gobbi, V. Zutshi, I. Adam, P. Rubinov, T. Joffe-Minor, Anurag Gupta, Andrew White, R. K. Shivpuri, P. Grudberg, C. Klopfenstein, E. A. Kozlovsky, H.E. Miettinen, M. Tartaglia, K. W. Merritt, Kaushik De, B. Gibbard, H. E. Fisk, J. H. Christenson, J. F. Bartlett, V. Manankov, Elizabeth Gallas, Jasvinder A. Singh, M. Abolins, Y. Fisyak, Pushpalatha C Bhat, C. Yoshikawa, J. Sculli, L. Magaña-Mendoza, Z. Zhou, J. Solomon, John Hobbs, Nikos Varelas, Heriberto Castilla-Valdez, K. M. Mauritz, Stephen Wimpenny, G. Eppley, Marvin Johnson, N. Amos, P.F. Ermolov, T. Marshall, Young-Sang Yu, C. S. Mishra, T. Fahland, N. K. Mondal, Darien Wood, B. Knuteson, X. F. Song, B. Pawlik, Nicholas John Hadley, K. Gounder, V. S. Burtovoi, S. Blessing, K. A. Johns, M. Merkin, M. Bhattacharjee, A. V. Kozelov, S. P. Denisov, L. Babukhadia, P. Bloom, J. A. Wightman, N. I. Bojko, Scott Snyder, R. Markeloff, E. Flattum, H. da Motta, J. G.R. Lima, S. N. Gurzhiev, G. Guglielmo, M. A.C. Cummings, H. T. Diehl, H. Singh, A. Boehnlein, R. Hernández-Montoya, N. Sotnikova, M. R. Krishnaswamy, E. G. Zverev, F. Hsieh, K. S. Hahn, L. Lueking, S. A. Jerger, A. Leflat, Richard Breedon, Raymond Brock, Boaz Klima, R. D. Martin, T. Heuring, J. Ellison, D. Casey, J. Kotcher, D. Cutts, M. L. Stevenson, Vasken Hagopian, E. Smith, A. Para, Wagner Carvalho, M. Fortner, N. W. Reay, J. Perkins, A. K.A. Maciel, M. Chung, B. Hoeneisen, Lee Sawyer, Sergey Chekulaev, J. G. Lu, J. V.D. Wirjawan, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, W. G. Cobau, M. I. Martin, Sharon Hagopian, D. Norman, Viatcheslav Stolin, H. Piekarz, H. Weerts, A. S. Ito, Lev Dudko, K. Del Signore, Greg Landsberg, H. D. Wahl, M. Zanabria, T. L. Geld, Winston Ko, Meenakshi Narain, S. Willis, B. Baldin, N. Graf, J. McKinley, Joan A. Guida, J. McDonald, Emanuela Barberis, S. Fuess, Alberto Santoro, Seong Keun Kim, D. Toback, A. Narayanan, Y. Ducros, M. Paterno, T. Yasuda, A. Baden, G. Di Loreto, G. C. Blazey, Y. M. Park, K. Streets, Vipin Bhatnagar, Philip Baringer, V. Oguri, L. T. Goss, D. Denisov, R. Partridge, Vladimir Gavrilov, Gordon Watts, Allan G Clark, V. Sirotenko, M. H.G. Souza, D. P. Stoker, S.A. Kahn, S. Banerjee, Sergey Kuleshov, Howard Gordon, V. Akimov, K. C. Frame, Victor Daniel Elvira, M. Demarteau, Y. Kulik, R. Yamada, P. Gartung, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Dan Green, A. N. Galyaev, S. H. Ahn, O. Ramirez, R. Piegaia, Shuichi Kunori, P. M. Tuts, O. V. Eroshin, Phillip Gutierrez, F. Stichelbaut, J. Warchol, P. Yepes, H. E. Montgomery, R. Snihur, V. Vaniev, T. McKibben, D. K. Cho, N. R. Stanton, R. W. Stephens, Orin I. Dahl, F. Landry, John Rutherfoord, Mary Beth Adams, R. J. Genik, J. Womersley, Robert Hirosky, V.V. Abramov, H. Haggerty, H. S. Mao, D. L. Adams, Matthew Jones, A. Jonckheere, W. E. Cooper, Daniel R Claes, R. Jesik, James C. Green, D. Karmanov, D. Buchholz, A. P. Vorobiev, Stephan Linn, C. Cretsinger, Arnaud Lucotte, N. Oshima, W. Y. Chen, G. Gutierrez, Gilvan Alves, D. Edmunds, F. Borcherding, M. Strovink, P. Tamburello, Daria Zieminska, R. D. Schamberger, M. A. Kubantsev, R. L. McCarthy, B. G. Pope, N. Parua, Randy Ruchti, Brajesh C Choudhary, S. Chopra, Anna Goussiou, V. S. Narasimham, Thomas G Trippe, Gregory R Snow, Miguel Mostafa, A. A. Mayorov, M. M. Baarmand, Elizaveta Shabalina, Sarah Catherine Eno, P. Yamin, M. K. Fatyga, G. Steinbrück, Andre Sznajder, Yuri Gershtein, J. Snow, S. Mani, Bobby Samir Acharya, H. A. Neal, Peter Nemethy, M. Roco, H. C. Shankar, J. T. Linnemann, J. T. White, R. Madden, F. Nang, Peter W. Draper, Richard B. Lipton, K. Yip, M. D. Peters, S. Feher, Jinhong Yu, L. Oesch, A.S. Dyshkant, Michael A. Strauss, K. M. Chan, Dhiman Chakraborty, A. Zieminski, C. Boswell, Suman Bala Beri, R. A. Sidwell, S. Y. Jun, T. L.T. Thomas, H. Tong, Rajendran Raja, Brad Abbott, R. J. Madaras, J. M. Guida, D. Hedin, Chris Hays, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, J. Estrada, A. V. Kotwal, Harrison Prosper, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, V. N. Evdokimov, D.S. Koltick, E. W. Anderson, Q. Z. Li, Allen Mincer, Sebastian Grinstein, A. V. Kostritskiy, Sissel Hansen, S. Krzywdzinski, L. Coney, A. Zylberstejn, P. Padley, Alexey Volkov, James H Cochran, H. Greenlee, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, J. Thompson, B. Gómez, Z. H. Zhu, A. Bross, Shashikant Dugad, Alexander Belyaev, Serban Protopopescu, D. Fein, Don Lincoln, Erich Varnes, Patrick Slattery, Daniel John Karmgard, C. Hebert, Jing Li, N.V. Mokhov, G. E. Forden, A. P. Heinson, R. E. Hall, J. L. González Solís, Z. Casilum, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, M. Diesburg, D. Owen, J. Tarazi, D. A. Stoyanova, Gervasio Gomez, C. Shaffer, D. Cullen-Vidal, K. Genser, D. Shpakov, and J. M. Hauptman
Subjects: Quark, Quantum chromodynamics, Physics, Particle physics, Muon, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Jet (particle physics), Bottom quark, Nuclear physics, Physics::Accelerator Physics, High Energy Physics::Experiment, Rapidity, Fermilab
Abstract: This Letter describes a measurement of the muon cross section originating from b quark decay in the forward rapidity range 2.4 < y(mu) < 3.2 in pbarp collisions at sqrt(s) = 1.8 TeV. The data used in this analysis were collected by the D0 experiment at the Fermilab Tevatron. We find that NLO QCD calculations underestimate b quark production by a factor of four in the forward rapidity region. A cross section measurement using muon+jet data has been included in this version of the paper.
Published: 2000

18. Differential Production Cross Section ofZBosons as a Function of Transverse Momentum ats=1.8TeVTeV

Author: C. Cretsinger, T. Fahland, A. Baden, R. K. Shivpuri, M. Strovink, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, G. C. Blazey, M. Diesburg, R. Yamada, D. Owen, Ron Lipton, J. Womersley, J. Tarazi, E. G. Zverev, M. Tartaglia, Kaushik De, S. H. Ahn, M. H.G. Souza, P. Yepes, H. E. Montgomery, E. W. Anderson, T. McMahon, E. Flattum, J. M. Hauptman, Cecilia Elena Gerber, H. L. Melanson, P. Z. Quintas, Orin I. Dahl, F. Landry, John Rutherfoord, D. Karmanov, Q. Z. Li, Mary Beth Adams, V. V. Babintsev, G. Ginther, E. Smith, Allan G Clark, D. Edmunds, J. H. Christenson, Allen Mincer, K. M. Mauritz, P.F. Ermolov, Jianming Qian, S. A. Jerger, Sebastian Grinstein, Andre Sznajder, Meenakshi Narain, H. Tong, Brajesh C Choudhary, P. Gartung, V. S. Burtovoi, James C. Green, Yuri Gershtein, D. Buchholz, P. Tamburello, R. Snihur, S. Chopra, Anna Goussiou, G. Briskin, L. Lueking, Jeffrey F. Krane, M. D. Peters, Gregory R Snow, Andrew White, Rajendran Raja, A. Leflat, A. Narayanan, P. Grudberg, Chris Hays, L. Oesch, K. Del Signore, Stephen Wimpenny, P. Padley, B. May, Alexey Volkov, W. G. Cobau, M. I. Martin, Elizabeth Gallas, F. Borcherding, Michael A. Strauss, Brad Abbott, G. Eppley, S. Fuess, M. Chung, Heriberto Castilla-Valdez, N.V. Mokhov, James H Cochran, T. Marshall, M. Sosebee, A. Jonckheere, K. Streets, Vipin Bhatnagar, A. P. Vorobiev, John Hobbs, Young-Sang Yu, V. A. Bezzubov, Darien Wood, Nicholas John Hadley, Alexander Belyaev, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, J. Thompson, J. Bantly, C. Boswell, J. McDonald, H. D. Wahl, M. Zanabria, Winston Ko, G. E. Forden, A. P. Heinson, S. Feher, B. Gobbi, Anurag Gupta, J. P. Negret, R. P. Smith, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, Stephan Linn, D. P. Stoker, B. Gómez, Z. H. Zhu, Alberto Santoro, Suman Bala Beri, Vladimir Gavrilov, A. Zieminski, Shashikant Dugad, N. Oshima, S. Blessing, Scott Snyder, R. Markeloff, Andrew Brandt, Daria Zieminska, R. D. Schamberger, Jasvinder A. Singh, Philip Baringer, Gordon Watts, V. Sirotenko, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, K. Yip, Michael Shupe, R. Partridge, Patrick Slattery, D. A. Stoyanova, A. N. Galyaev, R. Engelmann, F. Nang, K. S. Hahn, D. Cutts, Seong Keun Kim, D. Toback, O. V. Eroshin, Gervasio Gomez, T. Yasuda, Wagner Carvalho, A. V. Kostritskiy, S. Banerjee, R. E. Hall, J. L. González Solís, Z. Casilum, E. A. Kozlovsky, H.E. Miettinen, M. A. Kubantsev, K. M. Chan, Dhiman Chakraborty, S. N. Gurzhiev, Jinhong Yu, T. Joffe-Minor, A.S. Dyshkant, R. A. Sidwell, Sissel Hansen, S. Y. Jun, T. L.T. Thomas, J. Estrada, Phillip Gutierrez, H. da Motta, J. G.R. Lima, A. S. Ito, Greg Landsberg, Richard Breedon, Pushpalatha C Bhat, H. E. Fisk, L. Coney, C. Klopfenstein, K. Gounder, B. Gibbard, H. S. Mao, D. L. Adams, Z. Zhou, J. Solomon, M. Bhattacharjee, F. Stichelbaut, T. L. Geld, D. K. Cho, C. Shaffer, D. Cullen-Vidal, K. Genser, A. V. Kotwal, Harrison Prosper, T. McKibben, N. R. Stanton, V.V. Abramov, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, J. Sculli, M. Paterno, Y. Fisyak, Viatcheslav Stolin, Sharon Hagopian, D. Fein, J. McKinley, K. A. Johns, Nikos Varelas, W. E. Cooper, T. Heuring, Marvin Johnson, R. L. McCarthy, Matthew Jones, B. Pawlik, R. Jesik, L. Babukhadia, Daniel R Claes, B. Knuteson, X. F. Song, A. V. Kozelov, Y. M. Park, S.A. Kahn, R. Hernández-Montoya, D. Casey, J. Kotcher, Peter Nemethy, M. Roco, Don Lincoln, Erich Varnes, R. Piegaia, T. Rockwell, Iain Alexander Bertram, Arnaud Lucotte, M. Demarteau, N. Sotnikova, Michael Rijssenbeek, B. G. Pope, N. Graf, Y. Kulik, Daniel John Karmgard, N. Parua, Randy Ruchti, V. Oguri, V. N. Evdokimov, C. S. Mishra, D.S. Koltick, R. J. Genik, L. Magaña-Mendoza, G. Guglielmo, P. Yamin, Neeti Parashar, Elizaveta Shabalina, Vasken Hagopian, M. Merkin, C. Hebert, H. Weerts, J. Warchol, Lev Dudko, R. J. Madaras, M. Zielinski, Raymond Brock, Boaz Klima, S. Mani, Joan A. Guida, D. Norman, S. Willis, J. M. Guida, D. Hedin, R. Madden, G. Di Loreto, Peter W. Draper, D. Denisov, J. V.D. Wirjawan, M. Abolins, J. T. White, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Dan Green, N. K. Mondal, H. T. Diehl, H. Singh, A. Boehnlein, J. Ellison, A. K.A. Maciel, Shuichi Kunori, V. Vaniev, Jing Li, D. Shpakov, P. Hanlet, S. Krzywdzinski, M. Fortner, N. W. Reay, D. Coppage, J. Perkins, A. Zylberstejn, S. Reucroft, S. Youssef, J. G. Lu, S. Choi, H. Greenlee, C. Yoshikawa, A. Bross, P. M. Tuts, R. W. Stephens, Serban Protopopescu, A. Sanchez-Hernandez, Robert Hirosky, Robert Kehoe, W. Y. Chen, G. Gutierrez, Gilvan Alves, V. Zutshi, V. S. Narasimham, Thomas G Trippe, A. A. Mayorov, M. K. Fatyga, G. Steinbrück, J. Snow, I. Adam, P. Rubinov, B. Baldin, K. W. Merritt, J. F. Bartlett, V. Manankov, Y. Ducros, Howard Gordon, V. Akimov, K. C. Frame, O. Ramirez, S. P. Denisov, Sergey Kuleshov, N. Amos, M. R. Krishnaswamy, F. Hsieh, P. I. Goncharov, A. Para, Sergey Chekulaev, Victor Daniel Elvira, P. Bloom, J. A. Wightman, C. Miao, Emanuela Barberis, N. I. Bojko, R. D. Martin, L. T. Goss, M. L. Stevenson, H. Haggerty, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, and H. Piekarz
Subjects: Quantum chromodynamics, Physics, Particle physics, High Energy Physics::Phenomenology, Monte Carlo method, Tevatron, General Physics and Astronomy, D0 experiment, law.invention, Nuclear physics, law, Physics::Accelerator Physics, High Energy Physics::Experiment, Fermilab, Resummation, Collider, Boson
Abstract: We present a measurement of the transverse momentum distribution of Z bosons produced in ppbar collisions at sqrt{s}=1.8 TeV using data collected by the D0 experiment at the Fermilab Tevatron Collider during 1994--1996. We find good agreement between our data and a current resummation calculation. We also use our data to extract values of the non-perturbative parameters for a particular version of the resummation formalism, obtaining significantly more precise values than previous determinations.
Published: 2000

19. Isolated Photon Cross Section inpp¯Collisions at√s=1.8TeV

Author: J. A. Wightman, N. I. Bojko, R. D. Martin, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, N.V. Mokhov, G. Ginther, E. Popkov, C. Klopfenstein, M. L. Stevenson, Jianming Qian, G. Briskin, A. P. Heinson, Chris Hays, V. A. Bezzubov, R. E. Hall, C. S. Mishra, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, J. L. González Solís, B. May, G. Guglielmo, F. Fleuret, Z. Casilum, J. Womersley, P. Yamin, J. P. Negret, R. P. Smith, Michael Shupe, D. Buchholz, H. A. Neal, H. C. Shankar, V. Sorín, K. Yip, L. Stutte, Jinhong Yu, A.S. Dyshkant, B. Knuteson, X. F. Song, Raymond Brock, Boaz Klima, B. Gobbi, A. Baden, D. Norman, D. Karmanov, S. Negroni, E. G. Zverev, Brajesh C Choudhary, J. Estrada, Suyong Choi, Vasken Hagopian, S. Mani, Stephen Wimpenny, A. R. Clark, T. Marshall, D. Fein, N. Sotnikova, R. J. Genik, M. Fortner, N. W. Reay, J. Perkins, J. G. Lu, A. V. Kotwal, Harrison Prosper, Don Lincoln, Daniel John Karmgard, C. Hebert, G. C. Blazey, R. Yamada, U. Bassler, S. H. Ahn, H. Weerts, Meenakshi Narain, Lev Dudko, Andrew White, Peter W. Draper, Darien Wood, Shuichi Kunori, Nicholas John Hadley, K. A. Johns, V. Vaniev, S. Blessing, Scott Snyder, S. Willis, S. Chopra, Anna Goussiou, L. Lueking, S. P. Denisov, Anurag Gupta, S. Feher, S. Youssef, D. A. Stoyanova, Jing Li, S. Krzywdzinski, Orin I. Dahl, John Rutherfoord, P. Grudberg, G. Di Loreto, A. Jonckheere, R. Markeloff, Gregory R Snow, Gregorio Bernardi, D. Denisov, Alberto Santoro, A. N. Galyaev, M. R. Krishnaswamy, A. P. Vorobiev, Stephan Linn, A. Zieminski, Robert Kehoe, A. Zylberstejn, V. Zutshi, R. J. Madaras, H. Haggerty, K. Del Signore, D. K. Cho, D. Shpakov, J. V.D. Wirjawan, Srinivasan Rajagopalan, F. Lehner, K. M. Mauritz, P.F. Ermolov, H. Greenlee, A. Bross, M. Merkin, N. Oshima, Daria Zieminska, E. Kajfasz, V.V. Abramov, H. D. Wahl, F. Hsieh, John Hobbs, D. Hedin, H. Zheng, P. Hanlet, Hal Evans, Thomas Ferbel, M. Sosebee, K. Streets, V. S. Burtovoi, Matthew Jones, P. Padley, Serban Protopopescu, Arnaud Lucotte, T. Heuring, M. R. Adams, Young-Sang Yu, D. Coppage, A. Para, W. E. Cooper, Sergey Chekulaev, P. M. Tuts, R. W. Stephens, M. Zanabria, Winston Ko, R. A. Sidwell, S. Y. Jun, T. L.T. Thomas, M. A. Kubantsev, P. I. Goncharov, Alexey Volkov, V. Oguri, B. Baldin, Gervasio Gomez, T. Fahland, Elemer Nagy, Emanuela Barberis, Vipin Bhatnagar, B. Gibbard, J. Sculli, D. Toback, T. Joffe-Minor, H. E. Fisk, L. T. Goss, T. Rockwell, Iain Alexander Bertram, Z. Zhou, J. Solomon, K. Genser, Robert Hirosky, Pushpalatha C Bhat, C. Miao, Y. Ducros, J. B. Singh, K. Gounder, James H Cochran, J. Bantly, Nikos Varelas, R. K. Shivpuri, Michael Rijssenbeek, Rajendran Raja, B. Olivier, D. P. Stoker, N. Parua, Gustaaf Brooijmans, Mitchell Wayne, H. Schellman, J. M. Kohli, E. Flattum, D. R. Claes, P. van Gemmeren, M. Tartaglia, R. Gilmartin, W. Y. Chen, G. Gutierrez, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Y. Kulik, Randy Ruchti, D. Cullen-Vidal, J. Warchol, R. Partridge, Gilvan Alves, Kaushik De, Brad Abbott, Sergey Kuleshov, Stefan Grünendahl, G. Steinbrück, Ariel Schwartzman, S. Reucroft, E. Smith, V. N. Evdokimov, D.S. Koltick, T. Yasuda, S. R. Dugad, J. Thompson, A. Patwa, Victor Daniel Elvira, M. Abolins, J. T. Linnemann, Andrew Brandt, R. Engelmann, Vladimir Gavrilov, V. S. Narasimham, Thomas G Trippe, S.A. Kahn, M. Demarteau, Gordon Watts, V. Sirotenko, B. Gómez, Elizabeth Gallas, T. McMahon, Howard Gordon, V. Akimov, H. Jostlein, O. V. Eroshin, E. A. Kozlovsky, H.E. Miettinen, Z. H. Zhu, K. C. Frame, Phillip Gutierrez, Y. Fisyak, R. D. Schamberger, P. Gartung, L. Babukhadia, J. Snow, Marvin Johnson, P. Rubinov, M. H.G. Souza, A. V. Kozelov, H. S. Mao, K. W. Merritt, Alexander Belyaev, J. F. Bartlett, B. S. Acharya, V. Manankov, A. S. Turcot, A. A. Mayorov, N. K. Mondal, Sharon Hagopian, H. T. Diehl, H. Singh, Patrick Slattery, H. E. Montgomery, M. Strovink, N. Amos, J. Krane, A. Boehnlein, A. V. Kostritskiy, M. Bhattacharjee, Sissel Hansen, Y. Pischalnikov, Ulrich Heintz, J. Ellison, A. K.A. Maciel, D. Green, R. Piegaia, S. Fuess, R. Snihur, L. Coney, H. L. Melanson, P. Z. Quintas, N. Sen, M. Diesburg, S. N. Gurzhiev, R. L. McCarthy, S. K. Kim, D. Owen, J. Tarazi, J. H. Christenson, Viatcheslav Stolin, C. Lundstedt, M. Roco, David H. Adams, G. Eppley, H. da Motta, J. G.R. Lima, K. M. Chan, Dhiman Chakraborty, A. S. Ito, F. Stichelbaut, V. Buescher, Neeti Parashar, M. Zielinski, Heriberto Castilla-Valdez, B. Pawlik, E. W. Anderson, D. Casey, J. Kotcher, Q. Z. Li, Allen Mincer, Sebastian Grinstein, Michael A. Strauss, B. G. Pope, Suman Bala Beri, Elizaveta Shabalina, Richard Breedon, J. T. White, T. McKibben, N. R. Stanton, R. Jesik, M. Chung, D. Edmunds, S. A. Jerger, A. Leflat, Andre Sznajder, W. G. Cobau, M. I. Martin, Yuri Gershtein, M. D. Peters, L. Oesch, J. McDonald, Philip Baringer, S. Banerjee, N. Graf, James C. Green, K. S. Hahn, D. Cutts, Wagner Carvalho, Greg Landsberg, B. Connolly, M. Paterno, F. Borcherding, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, F. Nang, and Richard B. Lipton
Subjects: Quantum chromodynamics, Physics, Photon, Secondary education, Meson, 010308 nuclear & particles physics, Information storage, Astrophysics::High Energy Astrophysical Phenomena, General Physics and Astronomy, 01 natural sciences, 7. Clean energy, Nuclear physics, Transverse plane, Cross section (physics), 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Research method
Abstract: We report a new measurement of the cross section for the production of isolated photons, with transverse energies (ET) above 10 GeV and pseudorapidities |eta| 36 GeV.
Published: 2000

20. Search for Second Generation Leptoquark Pairs Decaying toμν+jetsinpp¯Collisions at√s=1.8TeV

Author: H. da Motta, J. G.R. Lima, C. Murphy, T. Heuring, D. Buchholz, Y. Kulik, S. Krzywdzinski, A. Zylberstejn, A. S. Ito, M. Chung, B. May, H. Greenlee, P. Tamburello, Pushpalatha C Bhat, B. Gobbi, S. Chopra, Anurag Gupta, T. Yasuda, A. Bross, Anna Goussiou, E. W. Anderson, R. Snihur, K. Gounder, P. Bloom, K. S. Hahn, J. A. Wightman, Serban Protopopescu, Joan A. Guida, F. Stichelbaut, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Q. Z. Li, D. A. Stoyanova, R. Hernández Montoya, J. V.D. Wirjawan, L. Lueking, Gregory R Snow, S. R. Dugad, D. Green, D. Cutts, Andrew White, Allen Mincer, N. I. Bojko, H. D. Wahl, R. D. Martin, T. Rockwell, Iain Alexander Bertram, H. L. Melanson, P. Z. Quintas, Stephen Wimpenny, Michael Rijssenbeek, N.V. Mokhov, Howard Gordon, V. Akimov, G. Di Loreto, K. Del Signore, Sebastian Grinstein, Winston Ko, V.V. Abramov, P. Grudberg, K. Genser, Gervasio Gomez, K. C. Frame, O. Ramirez, B. Knuteson, G. E. Forden, A. P. Heinson, B. Zhang, D. Denisov, S. K. Kim, Greg Landsberg, A. R. Clark, Y. M. Park, M. H.G. Souza, J. H. Christenson, Matthew Jones, T. Marshall, V. N. Evdokimov, A. V. Kostritskiy, Sissel Hansen, D.S. Koltick, J. T. Linnemann, Chris Hays, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, S.A. Kahn, M. Demarteau, H. A. Neal, H. C. Shankar, S. P. Denisov, M. L. Stevenson, V. A. Bezzubov, J. P. Negret, R. P. Smith, K. Yip, Elizabeth Gallas, H. Jostlein, M. R. Krishnaswamy, J. Mc Kinley, Rajendran Raja, John Hobbs, Michael Shupe, L. Magaña-Mendoza, Brad Abbott, T. L. Geld, Arnaud Lucotte, Darien Wood, R. E. Hall, J. L. González Solís, Z. Casilum, F. Hsieh, L. Coney, M. R. Adams, P. Yepes, H. E. Montgomery, D. Shpakov, Dhiman Chakraborty, Young-Sang Yu, Jinhong Yu, C. Klopfenstein, A.S. Dyshkant, K. M. Mauritz, P. M. Tuts, R. W. Stephens, C. Shaffer, D. Cullen-Vidal, T. Fahland, A. V. Kotwal, Harrison Prosper, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, A. Para, Nicholas John Hadley, D. Fein, Robert Hirosky, Sergey Chekulaev, H. Piekarz, M. Paterno, Sharon Hagopian, P.F. Ermolov, S. Blessing, S. Feher, L. Babukhadia, A. Jonckheere, Neeti Parashar, N. Parua, Scott Snyder, N. N. Biswas, Randy Ruchti, R. Piegaia, Don Lincoln, Erich Varnes, W. Y. Chen, P. Padley, E. Flattum, P. Hanlet, A. P. Vorobiev, Stephan Linn, M. Zielinski, G. Gutierrez, Gilvan Alves, I. Adam, P. Rubinov, V. S. Burtovoi, Alexey Volkov, B. Pawlik, A. Baden, C. S. Mishra, G. Guglielmo, James H Cochran, Daniel John Karmgard, Meenakshi Narain, K. W. Merritt, N. Oshima, Daria Zieminska, R. Markeloff, S. Youssef, R. J. Madaras, Mitchell Wayne, H. Schellman, J. M. Kohli, S. Choi, C. Hebert, V. S. Narasimham, Thomas G Trippe, D. Coppage, J. Womersley, J. F. Bartlett, V. Manankov, A. Zieminski, Stefan Grünendahl, J. Thompson, V. Oguri, M. A. Kubantsev, G. C. Blazey, E. Smith, A. A. Mayorov, Vasken Hagopian, H. Weerts, J. M. Guida, B. Gómez, S. N. Gurzhiev, D. Hedin, Z. H. Zhu, D. Karmanov, M. K. Fatyga, G. Steinbrück, A. Sanchez-Hernandez, D. Casey, N. Sotnikova, Robert Kehoe, J. Kotcher, J. Snow, R. Yamada, S. H. Ahn, B. Gibbard, E. G. Zverev, Brajesh C Choudhary, R. A. Sidwell, Peter Nemethy, M. Roco, A. Narayanan, J. Warchol, M. Sosebee, V. Zutshi, Lev Dudko, Jing Li, S. Y. Jun, T. L.T. Thomas, P. Gartung, D. Edmunds, Viatcheslav Stolin, Raymond Brock, Heriberto Castilla-Valdez, N. Graf, Orin I. Dahl, F. Landry, John Rutherfoord, J. Sculli, B. S. Acharya, Boaz Klima, K. Streets, Vipin Bhatnagar, B. G. Pope, R. Partridge, Andre Sznajder, Yuri Gershtein, Y. Pischalnikov, Ulrich Heintz, J. Bantly, Vladimir Gavrilov, Nikos Varelas, R. K. Shivpuri, M. D. Peters, S. Reucroft, Gordon Watts, V. Sirotenko, Elizaveta Shabalina, Y. Fisyak, R. Mc Carthy, H. S. Mao, D. Norman, D. R. Claes, D. L. Adams, O. V. Eroshin, M. Diesburg, C. Yoshikawa, Phillip Gutierrez, James C. Green, M. Tartaglia, F. Borcherding, J. T. White, B. Baldin, D. Owen, L. Oesch, Kaushik De, Y. Ducros, Andrew Brandt, J. Tarazi, Marvin Johnson, R. Engelmann, M. Merkin, S. Willis, J. M. Hauptman, J. B. Singh, A. V. Kozelov, E. A. Kozlovsky, H.E. Miettinen, C. K. Jung, Michael A. Strauss, A. N. Galyaev, Miguel Mostafa, N. R. Stanton, M. M. Baarmand, Sergey Kuleshov, Sarah Catherine Eno, T. Mc Kibben, Cecilia Elena Gerber, C. Cretsinger, V. V. Babintsev, Victor Daniel Elvira, M. Strovink, Jianming Qian, W. E. Cooper, F. Nang, Richard B. Lipton, Alexander Belyaev, R. Jesik, C. Boswell, A. L. Lyon, G. Briskin, M. Bhattacharjee, Shuichi Kunori, K. A. Johns, Tong Hu, V. Vaniev, S. A. Jerger, A. Leflat, T. Mc Mahon, P. I. Goncharov, Suman Bala Beri, D. P. Stoker, W. G. Cobau, M. I. Martin, C. Miao, G. Wang, Alberto Santoro, H. Haggerty, Richard Breedon, D. Toback, J. Mc Donald, T. Joffe-Minor, Wagner Carvalho, H. E. Fisk, Philip Baringer, Z. Zhou, J. Solomon, R. J. Genik, S. Banerjee, M. Fortner, N. W. Reay, J. Perkins, M. Abolins, P. Mooney, N. K. Mondal, H. T. Diehl, H. Singh, J. Krane, A. Boehnlein, J. Ellison, A. K.A. Maciel, Emanuela Barberis, S. Fuess, L. T. Goss, R. D. Schamberger, N. Amos, P. Yamin, S. Mani, R. Madden, Peter W. Draper, and G. Eppley
Subjects: Physics, Quark, Particle physics, Muon, High Energy Physics::Phenomenology, General Physics and Astronomy, Charm quark, Massless particle, Particle decay, Pair production, High Energy Physics::Experiment, Leptoquark, Nuclear Experiment, Lepton
Abstract: We report on a search for second generation leptoquarks (LQ) produced in p (p) over bar collisions at root s = 1.8 TeV using the DO detector at Fermilab. Second generation leptoquarks are assumed to be produced in pairs and to decay to either mu. or nu and either a strange or a charm quark (q). Limits an placed on sigma(p (p) over bar --> LQ --> mu nu + jets) as a function of the mass of the leptoquark. For equal branching ratios to mu q and nu q, second generation scalar leptoquarks with a mass below 160 GeV/c(2), vector leptoquarks with anomalous minimal vector couplings with a mass below 240 GeV/c(2), and vector leptoquarks with Yang-Mills couplings with a mass below 290 GeV/c(2), are excluded at the 95% confidence level.
Published: 1999

21. Dijet Mass Spectrum and a Search for Quark Compositeness inp¯pCollisions at√s=1.8TeV

Author: S. M. Chang, Robert Hirosky, P. Bloom, J. A. Wightman, N. I. Bojko, W. Y. Chen, M. H.G. Souza, P. Yepes, R. Piegaia, M. I. Martin, Dhiman Chakraborty, V. S. Narasimham, I. Adam, P. Rubinov, Vasken Hagopian, H. Weerts, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, S.H. Ahn, P. Padley, Alexey Volkov, R. K. Shivpuri, Lev Dudko, A. A. Mayorov, U. Heintz, M. K. Fatyga, K. W. Merritt, James H Cochran, Mitchell Wayne, S. Rajagopalan, V. Manankov, R. Raja, A. S. Ito, N. Parua, V.V. Abramov, H. Schellman, J. M. Kohli, Stephan Linn, N. Oshima, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, Arnaud Lucotte, K. Yip, V. A. Bezzubov, H. Jöstlein, R. D. Schamberger, M. Narain, G. Eppley, R. P. Smith, B. Baldin, R. Jesik, A. Brandt, J. Thompson, Michael Shupe, M. Bhattacharjee, T. G. Trippe, H. da Motta, S. Protopopescu, Sharon Hagopian, A. K.A. Maciel, J. Snow, Randy Ruchti, W. E. Cooper, A.S. Dyshkant, E. Oltman, D. Zieminska, S. Fuess, Z. H. Zhu, J. H. Christenson, M. Mostafa, M. Diesburg, M. Peters, A. Zylberstejn, P. Mooney, K. Gounder, C. Klopfenstein, S. Grinstein, K. M. Mauritz, M. Abolins, Gordon Watts, V. Sirotenko, S. Grünendahl, Shashikant Dugad, O. V. Eroshin, E. Smith, C. S. Mishra, B. Lauer, P.F. Ermolov, Phillip Gutierrez, T. McKibben, J. Yu, S. Hansen, F. Stichelbaut, B. Zhang, L. Magaña-Mendoza, M. A.C. Cummings, J. Jaques, Kaushik De, J. T. White, A. V. Kotwal, D. Stewart, Harrison Prosper, S. N. Gurzhiev, Ron Lipton, N. K. Mondal, H. T. Diehl, V. S. Burtovoi, M. L. Stevenson, T. Joffe-Minor, S. Youssef, S. Choi, M. Merkin, M. Demarteau, H. Singh, Andrew White, Brad Abbott, C. Murphy, G. Guglielmo, A. Sanchez-Hernandez, R. Astur, J. Womersley, Heriberto Castilla-Valdez, J. Warchol, A. L. Lyon, P. Z. Quintas, Alexander Vorobiev, S. P. Denisov, P. Grudberg, Robert Kehoe, K. Del Signore, Matthew Jones, T. Heuring, E. G. Zverev, M. R. Krishnaswamy, J. Ellison, D. Karmanov, A. Bross, Raymond Brock, Boaz Klima, Elizabeth Gallas, Q. Z. Li-Demarteau, Eunil Won, F. Hsieh, A. R. Clark, Shuichi Kunori, R. Hernández-Montoya, Hiroaki Aihara, L. Sawyer, P. C. Bhat, F. Lobkowicz, G. E. Forden, A. P. Heinson, Y. Fisyak, Y. Ducros, N. Sotnikova, Sergey Chekulaev, R. J. Madaras, J. V. D. Wirjawan, D. Norman, T. McMahon, E. W. Anderson, Z. Zhou, J. Solomon, R. L. McCarthy, T. Marshall, P. M. Tuts, D. Buchholz, Edilamar Menezes de Oliveira, C. K. Jung, V. Stolin, D. Casey, A. Boehnlein, J. Krane, Brajesh C Choudhary, Y. Pischalnikov, Victor Daniel Elvira, K. A. Johns, V. Vaniev, K. Genser, L. Babukhadia, P. Tamburello, R. E. Hall, J. L. González Solís, M. Zielinski, R. W. Stephens, S. Feher, S. Willis, O. I. Dahl, B. Gibbard, H. D. Wahl, V. Oguri, A. Para, A. N. Galyaev, Z. Casilum, Winston Ko, N. Graf, T. Huehn, Joan A. Guida, D. Owen, John Hobbs, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, S. Mani, E. Flattum, K. Streets, Vipin Bhatnagar, Peter Nemethy, J. Tarazi, Heng Xu, Anna Goussiou, Y. Zhou, Allen Mincer, P. Yamin, P. Hanlet, S. Kahn, D. Fein, R. Partridge, M. M. Baarmand, Sarah Catherine Eno, L. Lueking, G. Di Loreto, R. Madden, S. Krzywdzinski, F. Borcherding, A. Narayanan, M. Chung, B. Hoeneisen, H. E. Fisk, D. Denisov, H. Haggerty, Gregory R Snow, Young-Sang Yu, Erich Varnes, Z. Wu, Ting Hu, Peter W. Draper, F. Nang, G. Finocchiaro, M. L. Kelly, J. Sculli, M. Sosebee, A. L. Spadafora, L. P. Chen, P. I. Goncharov, Daniel R Claes, Daniel John Karmgard, H. S. Mao, A. Zieminski, K. C. Frame, D. Lincoln, J. Bantly, C. Miao, M. Tartaglia, T. Fahland, D. L. Adams, Nikos Varelas, V. N. Evdokimov, K. S. Hahn, A. V. Kostritskiy, D. Cutts, O. Ramirez, Alexander Belyaev, Thomas Ferbel, P. Gartung, J. G. R. Lima, J. F. Bartlett, H. Gordon, S. Reucroft, Greg Landsberg, Stephen Wimpenny, V. Gavrilov, L. T. Goss, S. Y. Jun, D. A. Stoyanova, T. L.T. Thomas, R. Engelmann, Jing Li, G. Wang, T. L. Geld, Alberto Santoro, E. A. Kozlovsky, H.E. Miettinen, G. Kalbfleisch, M. Paterno, Seong Keun Kim, Gervasio Gomez, L. Coney, B. Pawlik, D. R. Green, J. M. Hauptman, Cecilia Elena Gerber, Darien Wood, A. Baden, G. C. Blazey, Nicholas John Hadley, V. V. Babintsev, R. Yamada, H. L. Melanson, S. Kuleshov, C. Shaffer, D. Cullen-Vidal, N. N. Biswas, Jianming Qian, S. Blessing, S. Chopra, Scott Snyder, R. Markeloff, F. Landry, John Rutherfoord, Tong Hu, J. Kotcher, G. Steinbrück, Mary Beth Adams, M. Roco, J. M. Guida, D. Hedin, B. May, B. Gobbi, Anurag Gupta, Jasvinder A. Singh, D. Koltick, T. Yasuda, B. G. Pope, Michael A. Strauss, Elizaveta Shabalina, G. Gutierrez, S. A. Jerger, A. Leflat, H. E. Montgomery, W. G. Cobau, C. Boswell, J. P. Negret, J. McDonald, Philip Baringer, S. Banerjee, V. Balamurali, B. Gómez, Suman Bala Beri, Marvin Johnson, A. V. Kozelov, C. Cretsinger, Richard Breedon, M. Strovink, E. James, H. Greenlee, Gilvan Alves, J. McKinley, Y. M. Park, Wagner Carvalho, S. C. Loken, D. P. Stoker, D. Vititoe, R. J. Genik, A. Jonckheere, D. Edmunds, N. Amos, Andre Sznajder, Yuri Gershtein, Emanuela Barberis, L. Oesch, N. Mokhov, M. Fortner, J. Perkins, C. Yoshikawa, and R. Snihur
Subjects: Physics, Quark, Quantum chromodynamics, Particle physics, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Jet (particle physics), law.invention, law, Pseudorapidity, Mass spectrum, High Energy Physics::Experiment, Fermilab, Collider
Abstract: Using the DZero detector at the 1.8 TeV pbarp Fermilab Tevatron collider, we have measured the inclusive dijet mass spectrum in the central pseudorapidity region |eta_jet| < 1.0 for dijet masses greater than 200 Gev/c^2. We have also measured the ratio of spectra sigma(|eta_jet| < 0.5)/sigma(0.5 < |eta_jet| < 1.0). The order alpha_s^3 QCD predictions are in good agreement with the data and we rule out models of quark compositeness with a contact interaction scale < 2.4 TeV at the 95% confidence level.
Published: 1999

22. Small AngleJ/ψProduction inpp¯Collisions at√s=1.8TeV

Author: H. A. Neal, Robert Hirosky, H. C. Shankar, K. Yip, C. K. Jung, W. Y. Chen, G. Gutierrez, M. Zielinski, A. N. Galyaev, Jinhong Yu, Gilvan Alves, A.S. Dyshkant, George R. Kalbfleisch, V. S. Narasimham, Thomas G Trippe, Meenakshi Narain, Michael A. Strauss, R. Jesik, W. E. Cooper, A. A. Mayorov, Pushpalatha C Bhat, I. Adam, P. Rubinov, Andrew White, D. Stewart, S. N. Gurzhiev, M. K. Fatyga, G. Steinbrück, J. Snow, Viatcheslav Stolin, P. Bloom, J. A. Wightman, K. W. Merritt, P. Grudberg, Q. Z. Li Demarteau, A. L. Spadafora, J. F. Bartlett, V. Manankov, C. Murphy, R. Astur, T. Heuring, C. Boswell, Suman Bala Beri, A. Narayanan, D. Green, A. Baden, G. C. Blazey, R. Yamada, K. Gounder, B. Lauer, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, R. Snihur, Emanuela Barberis, L. Lueking, H. L. Melanson, P. Z. Quintas, J. V.D. Wirjawan, Joan A. Guida, G. Di Loreto, D. Denisov, S. A. Jerger, Srinivasan Rajagopalan, Thomas Ferbel, N. I. Bojko, M. H.G. Souza, P. Yepes, H. E. Montgomery, John Hobbs, S. K. Kim, A. Leflat, M. Sosebee, H. D. Wahl, S. M. Chang, S. H. Ahn, R. K. Shivpuri, M. Chung, K. Del Signore, W. G. Cobau, M. I. Martin, J. H. Christenson, Winston Ko, D. R. Claes, M. R. Adams, Young-Sang Yu, C. Cretsinger, M. Strovink, E. James, Orin I. Dahl, F. Landry, John Rutherfoord, L. Magaña-Mendoza, J. Bantly, J. M. Hauptman, Cecilia Elena Gerber, Y. M. Park, S.A. Kahn, D. Edmunds, L. T. Goss, Philip Baringer, Hiroaki Aihara, K. M. Mauritz, J. Jaques, Andre Sznajder, M. L. Stevenson, T. Fahland, M. Tartaglia, P.F. Ermolov, V. S. Burtovoi, Andrew Brandt, R. Engelmann, Liu Chen, E. A. Kozlovsky, M. D. Peters, H.E. Miettinen, M. Bhattacharjee, Kaushik De, V. A. Bezzubov, M. Demarteau, J. P. Negret, R. P. Smith, J. Mc Kinley, J. Womersley, Z. Wu, Dhiman Chakraborty, Michael Shupe, L. Oesch, D. Karmanov, V. V. Babintsev, Jianming Qian, F. Borcherding, S. Banerjee, V. Balamurali, B. G. Pope, E. Flattum, Raymond Brock, Boaz Klima, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, Vladimir Gavrilov, E. G. Zverev, F. Stichelbaut, J. L. González-Solís, P. Gartung, A. Jonckheere, Peter Nemethy, Brajesh C Choudhary, M. Roco, Richard Breedon, A. P. Vorobiev, Stephan Linn, Elizaveta Shabalina, Gordon Watts, V. Oguri, E. Oltman, V. Sirotenko, D. Norman, E. Smith, O. V. Eroshin, P. I. Goncharov, Y. Fisyak, R. Mc Carthy, G. Eppley, N. Oshima, H. da Motta, S. Willis, Miguel Mostafa, M. M. Baarmand, B. Pawlik, Sarah Catherine Eno, J. T. White, Marvin Johnson, P. Hanlet, Heriberto Castilla-Valdez, D. Buchholz, Phillip Gutierrez, Daria Zieminska, J. G.R. Lima, B. Gibbard, B. S. Acharya, A. V. Kozelov, Wagner Carvalho, C. Klopfenstein, S. Youssef, Tong Hu, F. Nang, J. Sculli, Edilamar Menezes de Oliveira, D. Casey, P. Tamburello, A. S. Ito, J. Kotcher, S. Choi, Richard B. Lipton, Sharon Hagopian, D. Vititoe, J. Warchol, A. K.A. Maciel, G. Finocchiaro, R. J. Genik, C. Miao, C. S. Mishra, Heng Xu, A. Sanchez-Hernandez, Anna Goussiou, Nikos Varelas, A. V. Kotwal, Harrison Prosper, Robert Kehoe, K. Genser, K. S. Hahn, D. Cutts, Stephen Wimpenny, T. Mc Mahon, A. R. Clark, G. Guglielmo, Gregory R Snow, Greg Landsberg, P. Yamin, D. P. Stoker, Elizabeth Gallas, R. Piegaia, R. Hernández-Montoya, H. Jostlein, T. Marshall, N. Graf, K. Streets, Vipin Bhatnagar, Vasken Hagopian, H. Weerts, Darien Wood, T. L. Geld, N. Sotnikova, J. Krane, S. Mani, Rajendran Raja, Nicholas John Hadley, S. P. Denisov, Lev Dudko, S. Blessing, Scott Snyder, Eunil Won, M. Paterno, M. R. Krishnaswamy, R. Markeloff, F. Lobkowicz, S. C. Loken, R. Partridge, M. Abolins, F. Hsieh, R. Madden, N. Parua, V.V. Abramov, S. Reucroft, B. Baldin, Matthew Jones, A. Para, Sergey Chekulaev, Brad Abbott, Y. Ducros, C. Yoshikawa, J. B. Singh, Peter W. Draper, T. Rockwell, Iain Alexander Bertram, L. Babukhadia, Arnaud Lucotte, H. S. Mao, G. Wang, Alberto Santoro, Sergey Kuleshov, H. Haggerty, T. Mc Kibben, Victor Daniel Elvira, J. Mc Donald, T. Joffe-Minor, D. L. Adams, Randy Ruchti, Michael Rijssenbeek, H. E. Fisk, V. N. Evdokimov, D.S. Koltick, J. T. Linnemann, S. R. Dugad, P. Mooney, N. K. Mondal, H. T. Diehl, H. Singh, A. Boehnlein, M. Fortner, J. Perkins, R. D. Schamberger, S. Feher, Ting Hu, A. Zieminski, J. Ellison, S. Fuess, Y. Gershtein, A. V. Kostritskiy, M. Merkin, Sissel Hansen, A. L. Lyon, Shuichi Kunori, Z. Zhou, J. Solomon, K. A. Johns, L. Coney, V. Vaniev, D. A. Stoyanova, N. Amos, Gervasio Gomez, R. J. Madaras, E. W. Anderson, S. Y. Jun, T. L.T. Thomas, Allen Mincer, Sebastian Grinstein, P. Padley, Alexey Volkov, C. Shaffer, D. Cullen-Vidal, James H Cochran, N. N. Biswas, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, J. Thompson, S. Chopra, B. Gómez, Z. H. Zhu, J. M. Guida, D. Hedin, Alexander Belyaev, Y. Pischalnikov, Ulrich Heintz, P. M. Tuts, R. W. Stephens, M. Diesburg, B. May, D. Owen, B. Gobbi, Anurag Gupta, J. Tarazi, T. Yasuda, T. Huehn, D. Fein, Don Lincoln, Erich Varnes, Daniel John Karmgard, Jing Li, N.V. Mokhov, Y. H. Zhou, G. E. Forden, A. P. Heinson, B. Zhang, R. E. Hall, Z. Casilum, S. Krzywdzinski, A. Zylberstejn, H. Greenlee, A. Bross, Serban Protopopescu, M. L. Kelly, Howard Gordon, K. C. Frame, and O. Ramirez
Subjects: Physics, Particle physics, Detector, Tevatron, Theoretical models, General Physics and Astronomy, law.invention, Nuclear physics, Cross section (physics), Transverse plane, law, Pseudorapidity, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Collider
Abstract: This paper presents the first measurement of the inclusive J/Psi production cross section in the forward pseudorapidity region 2.5
Published: 1999

23. Search for Squarks and Gluinos in Single-Photon Events with Jets and Large Missing Transverse Energy inpp¯Collisions at√s=1.8TeV

Author: J. M. Hauptman, E. Flattum, Cecilia Elena Gerber, R. Snihur, L. Lueking, V. V. Babintsev, B. G. Pope, Jianming Qian, Y. Pischalnikov, Ulrich Heintz, K. Del Signore, E. Smith, S. M. Chang, R. Hernández-Montoya, N. Sotnikova, J. Krane, M. Diesburg, C. S. Mishra, Tong Hu, Elizaveta Shabalina, Hiroaki Aihara, G. Eppley, D. Owen, T. Mc Mahon, J. Tarazi, P. M. Tuts, R. W. Stephens, A. V. Kostritskiy, Alexander Belyaev, H. da Motta, D. A. Stoyanova, L. Magaña-Mendoza, Sissel Hansen, J. G.R. Lima, J. Jaques, J. T. White, Meenakshi Narain, Gervasio Gomez, C. Shaffer, D. Cullen-Vidal, N. N. Biswas, G. Wang, Alberto Santoro, L. Coney, S. A. Jerger, Andrew White, Robert Hirosky, A. Leflat, S. Chopra, H. D. Wahl, H. Haggerty, A. S. Ito, Winston Ko, K. S. Hahn, G. Guglielmo, D. Cutts, J. Mc Donald, W. G. Cobau, M. I. Martin, D. Green, B. Gibbard, W. Y. Chen, G. Gutierrez, Gilvan Alves, T. Joffe-Minor, A. Narayanan, George R. Kalbfleisch, H. E. Fisk, P. Yamin, Richard Breedon, V. S. Narasimham, Dhiman Chakraborty, H. L. Melanson, P. Z. Quintas, J. Mc Kinley, J. Sculli, Raymond Brock, C. Cretsinger, Philip Baringer, Z. Zhou, J. Solomon, Vasken Hagopian, M. Strovink, E. James, P. Padley, Alexey Volkov, N.V. Mokhov, C. Murphy, R. Astur, S. Banerjee, J. Womersley, Boaz Klima, John Hobbs, James H Cochran, V. Balamurali, Nikos Varelas, M. Sosebee, P. Gartung, Y. H. Zhou, S. K. Kim, A. A. Mayorov, Mitchell Wayne, H. Schellman, J. M. Kohli, Greg Landsberg, F. Stichelbaut, V. A. Bezzubov, T. Heuring, M. K. Fatyga, G. Steinbrück, R. K. Shivpuri, M. R. Adams, Young-Sang Yu, H. Weerts, J. H. Christenson, S. Mani, D. Norman, J. Bantly, J. Snow, D. R. Claes, Stefan Grünendahl, J. Thompson, B. S. Acharya, C. K. Jung, G. E. Forden, A. P. Heinson, M. H.G. Souza, J. P. Negret, R. P. Smith, B. Gómez, V. Oguri, T. L. Geld, T. G. Trippe, S. Willis, R. Madden, M. Bhattacharjee, M. Tartaglia, B. Zhang, D. Stewart, Z. H. Zhu, M. Paterno, Lev Dudko, S. N. Gurzhiev, R. Jesik, Sharon Hagopian, Kaushik De, P. Yepes, H. E. Montgomery, Michael Shupe, Peter W. Draper, Andrew Brandt, A. K.A. Maciel, Wagner Carvalho, R. Engelmann, K. Streets, A. N. Galyaev, Vipin Bhatnagar, E. Oltman, M. L. Stevenson, E. A. Kozlovsky, R. Partridge, H.E. Miettinen, K. Genser, Pushpalatha C Bhat, F. Borcherding, Peter Nemethy, M. Roco, K. Gounder, Rajendran Raja, B. Lauer, Y. Fisyak, R. Mc Carthy, Stephen Wimpenny, W. E. Cooper, L. P. Chen, N. Parua, V.V. Abramov, D. Karmanov, E. W. Anderson, Marvin Johnson, M. A.C. Cummings, T. Marshall, R. Piegaia, Viatcheslav Stolin, K. M. Mauritz, Brad Abbott, J. Warchol, Heriberto Castilla-Valdez, Matthew Jones, H. S. Mao, R. E. Hall, D. L. Adams, J. L. González Solís, B. May, A. V. Kozelov, Miguel Mostafa, M. M. Baarmand, P.F. Ermolov, Darien Wood, A. V. Kotwal, B. Hoeneisen, Lee Sawyer, Sarah Catherine Eno, Harrison Prosper, Allen Mincer, Nicholas John Hadley, Z. Casilum, V. S. Burtovoi, Arnaud Lucotte, Sebastian Grinstein, S. Feher, B. Gobbi, E. G. Zverev, S. Blessing, Ting Hu, F. Nang, Richard B. Lipton, A. Baden, Scott Snyder, Anurag Gupta, B. Pawlik, G. C. Blazey, Brajesh C Choudhary, D. P. Stoker, A. Zieminski, D. Vititoe, R. Yamada, R. Markeloff, R. J. Genik, Randy Ruchti, D. Casey, T. Yasuda, Y. M. Park, S. H. Ahn, T. Huehn, J. Kotcher, R. J. Madaras, S.A. Kahn, H. A. Neal, H. C. Shankar, D. Buchholz, Edilamar Menezes de Oliveira, O. I. Dahl, J. V.D. Wirjawan, S. Y. Jun, T. L.T. Thomas, Michael A. Strauss, D. Fein, M. Demarteau, K. Yip, N. Graf, P. Tamburello, Heng Xu, Z. Wu, Vladimir Gavrilov, Anna Goussiou, Gordon Watts, M. Zielinski, J. M. Guida, D. Hedin, Jinhong Yu, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, Elizabeth Gallas, Gregory R Snow, H. Jostlein, A.S. Dyshkant, Joan A. Guida, P. Hanlet, F. Lobkowicz, G. Di Loreto, T. Rockwell, Iain Alexander Bertram, D. Denisov, Michael Rijssenbeek, C. Boswell, A. Jonckheere, Don Lincoln, Srinivasan Rajagopalan, Erich Varnes, Thomas Ferbel, V. N. Evdokimov, A. P. Vorobiev, D.S. Koltick, J. T. Linnemann, Stephan Linn, L. Babukhadia, M. Chung, N. Oshima, Daria Zieminska, Daniel John Karmgard, Emanuela Barberis, G. Finocchiaro, Suman Bala Beri, L. T. Goss, Jing Li, S. Krzywdzinski, D. Edmunds, A. Zylberstejn, Andre Sznajder, Yuri Gershtein, P. Bloom, H. Greenlee, J. A. Wightman, M. D. Peters, A. Bross, L. Oesch, Serban Protopopescu, N. I. Bojko, S. Reucroft, M. Fortner, J. Perkins, M. Merkin, M. Abolins, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, C. Yoshikawa, H. Piekarz, R. D. Schamberger, P. Mooney, S. C. Loken, B. Baldin, Y. Ducros, J. B. Singh, N. K. Mondal, H. T. Diehl, H. Singh, Sergey Kuleshov, N. Amos, T. Mc Kibben, Victor Daniel Elvira, A. Boehnlein, S. Youssef, S. Choi, A. Sanchez-Hernandez, Robert Kehoe, J. Ellison, Eunil Won, S. Fuess, A. L. Lyon, A. L. Spadafora, Shuichi Kunori, P. I. Goncharov, K. A. Johns, V. Vaniev, C. Miao, S. R. Dugad, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, F. Hsieh, A. R. Clark, A. Para, Sergey Chekulaev, I. Adam, P. Rubinov, K. W. Merritt, Q. Z. Li Demarteau, J. F. Bartlett, V. Manankov, F. Landry, John Rutherfoord, C. Klopfenstein, and T. Fahland
Subjects: Physics, Particle physics, Branching fraction, Physics beyond the Standard Model, High Energy Physics::Phenomenology, General Physics and Astronomy, Elementary particle, Supersymmetry, Standard Model, Nuclear physics, High Energy Physics::Experiment, Production (computer science), Energy (signal processing), Minimal Supersymmetric Standard Model
Abstract: We search for new physics using events with one high transverse energy photon, two or more jets, and an apparent imbalance in transverse energy, in p{ovr p} collisions at the Fermilab Tevatron at {radical} (s) =1.8 TeV . Such events are predicted for production of supersymmetric particles in some models. No excess is observed beyond expected background. For the parameter space of the minimal supersymmetric standard model with branching fraction B({tilde {chi}}{sup 0}{sub 2}{r_arrow}{gamma}thinsp{tilde {chi}}{sup 0}{sub 1})=1 and m{sub {tilde {chi}}{sup 0}{sub 2 }}{minus}m{sub {tilde {chi}}{sup 0}{sub 1}}{gt}20 GeV , we obtain a 95{percent} confidence level lower mass limit of 310thinspthinspGeV for equal mass squarks and gluinos. The results are also interpreted in models with low energy gauge mediated supersymmetry breaking. {copyright} {ital 1998} {ital The American Physical Society }
Published: 1999

24. Forward muon system for the DØ detector upgrade

Author: A. M. Kalinin, D. Beutel, V.V. Abramov, V. A. Bezzubov, E. Chi, Alexey Volkov, Yu. A. Gornushkin, D. Denisov, Rupert Leitner, F. Yoffe, S. Los, V. Simak, A. N. Galyaev, B. Baldin, A. A. Mayorov, A. S. Ito, R. Williams, V. Vrba, A.A. Nozdrin, V. Vaniov, S. Pospı́šil, P. I. Goncharov, Milos Lokajicek, T. Diehl, O. V. Eroshin, J. Raskowski, George Davey Smith, V. S. Burtovoi, A. Stefanik, Darien Wood, G. D. Alexeev, Michal Suk, S. Zimin, S. P. Denisov, D. Stoianova, A. V. Kozelov, Sergey Chekulaev, V. N. Evdokimov, N. I. Bojko, H. Haggerty, V. Medovikov, A. P. Vorobiev, D. Hedin, S. N. Gurzhiev, J. N. Butler, Y. A. Yatsunenko, A. V. Kostritskiy, Sissel Hansen, I.L. Pisarev, N.V. Mokhov, E. Kozlovski, V. V. Tokmenin, V.I. Dodonov, A.S. Dyshkant, P. Hanlet, D. Green, V. L. Malyshev, K. A. Johns, V. V. Babintsev, and B. M. Sabirov
Subjects: Physics, Nuclear and High Energy Physics, Wire chamber, Photomultiplier, Physics::Instrumentation and Detectors, Detector, Tevatron, Scintillator, Particle detector, law.invention, Nuclear physics, law, Scintillation counter, Physics::Accelerator Physics, High Energy Physics::Experiment, Collider, Instrumentation
Abstract: The design and main parameters of the completly redesigned DO Forward Angle MUon System (FAMUS: 1.0
Published: 1998

25. Investigation of ρ0(770) meson spin alignment in $$\bar pp$$ interactions at 32 GeV/c

Author: A.M. Moiseev, N. A. Kruglov, Andrey Minaenko, V. V. Maximov, M. S. Levitsky, L. I. Sarycheva, V. V. Babintsev, N.P. Karpinskaya, A. S. Proskuriakov, M. Y. Bogolyubsky, S.V. Chekulaev, Olga Kodolova, Evgeny Zabrodin, and A.I. Kotova
Subjects: Nuclear physics, Physics, Particle physics, Annihilation, Pion, Pair production, Physics and Astronomy (miscellaneous), Meson, Hadron, Elementary particle, Engineering (miscellaneous), Helicity, Boson
Abstract: The spin alignment of ρ0 mesons has been investigated in $$\bar pp$$ interactions at 32 GeV/c. The statistics of 250 K $$\bar pp$$ collisions was obtained with the help of the liquid hydrogen bubble chamber “Mirabelle”. Various reference frames have been used in the analysis and the most profound effect has been revealed in the transversity frame. The measured value of the spin density matrix element ρ00 amounts to 0.447±0.033. The |x|-andp 2 -dependences of ρ00 have been studied and a strong increase of ρ00 detected in regions of enlarged |x| andp 2 . It is shown that the spin alignment of ρ0 (700) takes place in both annihilation and nonannihilation channels.In Addition, a sizable spin alignment off 2 (1270) mesons in the Gottfried-Jackson frame has been found in the fragmentation region |x|>0.4.
Published: 1994

26. Inclusive jet cross section inp¯pcollisions at √s=1.8 TeV

Author: D. Fein, Don Lincoln, Erich Varnes, Daniel John Karmgard, T. Fahland, B. G. Pope, B. May, R. Raja, M. Sosebee, R. L. McCarthy, Elizaveta Shabalina, D. Casey, J. Kotcher, T. Joffe-Minor, Jing Li, T. G. Trippe, A. L. Lyon, Shuichi Kunori, R. K. Shivpuri, V. Vaniev, E. Flattum, J. Bantly, Jasvinder A. Singh, K. Del Signore, R. Snihur, J. S. Hoftun, T. Yasuda, J. T. White, H. E. Fisk, P. Hanlet, Peter Nemethy, M. Roco, A. Para, S. Fuess, Matthew Jones, C. Cretsinger, M. Strovink, K. Streets, Vipin Bhatnagar, Ricardo Piegaia, C. Yoshikawa, M. Zielinski, Z. Zhou, Andrew Brandt, R. Engelmann, Liu Chen, C. Murphy, E. James, M. Chung, R. Partridge, E. Smith, Hiroaki Aihara, R. Astur, E. A. Kozlovsky, H.E. Miettinen, G. Eppley, T. Heuring, L. Lueking, H. Haggerty, Y. H. Zhou, S. M. Chang, T. McKibben, Suyong Choi, Kaushik De, G. E. Forden, A. P. Heinson, B. Zhang, H. S. Mao, J. Solomon, M. Tartaglia, D. L. Adams, P. M. Tuts, Richard Breedon, M. H.G. Souza, P. Yepes, J. Sculli, H. da Motta, J. G.R. Lima, E. G. Zverev, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, Z. Wu, Vladimir Gavrilov, R. Jesik, H. E. Montgomery, S. Mani, R. E. Hall, R. W. Stephens, Joan A. Guida, Jianming Qian, J. Jaques, A. S. Ito, Allan G Clark, J. L. González Solís, H. Piekarz, Z. Casilum, M. L. Stevenson, Ron Lipton, J. McKinley, R. J. Madaras, Robert Hirosky, Gordon Watts, Meenakshi Narain, J. Womersley, V. Sirotenko, A. Jonckheere, Tong Hu, T. Marshall, S. A. Jerger, David Cutts, A. Leflat, Allen Mincer, Wagner Carvalho, Dhiman Chakraborty, G. Di Loreto, Y. Pischalnikov, Ulrich Heintz, Sebastian Grinstein, O. V. Eroshin, Stephan Linn, A. Narayanan, Elizabeth Gallas, H. Jöstlein, W. Y. Chen, Phillip Gutierrez, J. M. Guida, D. Hedin, A. Zylberstejn, P. Gartung, P. Z. Quintas, Stephen Wimpenny, W. G. Cobau, M. I. Martin, Mark Raymond Adams, D. Karmanov, M. Bhattacharjee, N. Oshima, D. P. Stoker, J. McDonald, H. Greenlee, M. Diesburg, G. Gutierrez, George R. Kalbfleisch, V. A. Bezzubov, J. P. Negret, Kenneth Johns, E. W. Anderson, R. P. Smith, Andrew White, P. Grudberg, T. McMahon, J. H. Christenson, Daria Zieminska, D. Owen, R. D. Schamberger, Philip Baringer, A. Bross, A.K. Gupta, D. Vititoe, R. J. Genik, Sharon Hagopian, N. Graf, Michael A. Strauss, Srinivasan Rajagopalan, J. Tarazi, P. Padley, Alexey Volkov, Michael Shupe, G. Wang, Alberto Santoro, Y. Fisyak, G. Finocchiaro, Marvin Johnson, Darien Wood, Thomas Ferbel, Dan Green, Serban Protopopescu, W. E. Cooper, Daniel R Claes, V. Balamurali, N. Parua, V.V. Abramov, Sunanda Banerjee, Brajesh C Choudhary, S. Krzywdzinski, Seong Keun Kim, D. Buchholz, A. K.A. Maciel, Edilamar Menezes de Oliveira, Nicholas John Hadley, H. Alves, Pushpalatha C Bhat, Bobby Samir Acharya, H. A. Neal, S. C. Loken, S. Blessing, Brad Abbott, K. Gounder, James H Cochran, M. Fortner, M. R. Krishnaswamy, H. C. Shankar, J. T. Linnemann, A. V. Kotwal, Harrison Prosper, C. Klopfenstein, Mitchell Wayne, H. Schellman, J. M. Kohli, John Hobbs, P. Tamburello, K. Yip, A. A. Mayorov, Scott Snyder, B. Lauer, M. A.C. Cummings, R. Markeloff, B. Hoeneisen, C. Boswell, Lee Sawyer, M. K. Fatyga, G. Steinbrück, Steve Reucroft, J. Perkins, Alexander Belyaev, F. Lobkowicz, Heriberto Castilla-Valdez, Heng Xu, V. S. Narasimham, D. Stewart, Anna Goussiou, T. Rockwell, Iain Alexander Bertram, Jinhong Yu, Sergey Denisov, A.S. Dyshkant, Young-Sang Yu, S. N. Gurzhiev, Y. M. Park, Michael Rijssenbeek, Stefan Grünendahl, L. Magaña-Mendoza, J. Thompson, S.A. Kahn, J. Snow, Arnaud Lucotte, B. Gómez, Suman Bala Beri, B. Gibbard, V. N. Evdokimov, Gervasio Gomez, P. Yamin, D.S. Koltick, P. Ermolov, M. Demarteau, M. Merkin, Gregory R Snow, Z. H. Zhu, Viatcheslav Stolin, Q. Z. Li-Demarteau, S. Feher, K. M. Mauritz, Ting Hu, C. Shaffer, D. Cullen-Vidal, K. Genser, N. N. Biswas, R. Hernández-Montoya, Shashikant Dugad, N. Sotnikova, Nikos Varelas, S. Chopra, L. Babukhadia, Raymond Brock, Boaz Klima, J. Krane, Randy Ruchti, C. S. Mishra, V. S. Burtovoi, D. Edmunds, D. Norman, A. Zieminski, G. Guglielmo, R. Madden, S. Willis, Andre Sznajder, F. Stichelbaut, Peter W. Draper, H. D. Wahl, B. Gobbi, V. Oguri, Vasken Hagopian, A. V. Kostritskiy, Winston Ko, M. D. Peters, H. Weerts, A. V. Kozelov, Lev Dudko, Sissel Hansen, J. Warchol, J. V.D. Wirjawan, S. Y. Jun, L. Coney, D. A. Stoyanova, T. L.T. Thomas, N. Mokhov, C. K. Jung, Dmitri Denisov, Y. Gershtein, N. Amos, Emanuela Barberis, A. P. Vorobiev, L. T. Goss, A. N. Galyaeav, M. Abolins, P. Mooney, N. K. Mondal, H. T. Diehl, M. L. Kelly, H. Singh, Howard Gordon, A. Boehnlein, K. C. Frame, O. Ramirez, I. Adam, P. Rubinov, J. Ellison, H. L. Melanson, K. W. Merritt, A. L. Spadafora, J. F. Bartlett, V. Manankov, P. I. Goncharov, C. Miao, A. Baden, G. C. Blazey, R. Yamada, S. H. Ahn, B. Pawlik, Orin I. Dahl, F. Landry, John Rutherfoord, F. Borcherding, E. Oltman, L. Oesch, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, B. Baldin, F. Nang, Y. Ducros, F. Hsieh, K. S. Hahn, Sergey Kuleshov, Greg Landsberg, Sergey Chekulaev, Victor Daniel Elvira, T. L. Geld, M. Paterno, S. Youssef, A. Sanchez-Hernandez, Robert Kehoe, Eunil Won, P. Bloom, J. A. Wightman, N. I. Bojko, K. Davis, J. N. Butler, P. D. Grannis, and T. Huehn
Subjects: Quark, Physics, Quantum chromodynamics, Particle physics, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Jet (particle physics), Lambda, Physics::Accelerator Physics, High Energy Physics::Experiment, Production (computer science), Fermilab, Collider Detector at Fermilab
Abstract: We present a measurement of the inclusive jet cross section in {ital {bar p}p} collisions at {radical}{ital s} =1.8 TeV at the Fermilab Tevatron using the Collider Detector at Fermilab. Good agreement is seen with the predictions of recent next-to-leading-order ({ital O}({alpha}{sub {ital s}}{sup 3})) QCD predictions. The dependence of the cross section on clustering cone size is reported for the first time. An improved limit on {Lambda}{sub {ital c}}, a term characterizing possible quark substructure, is set at 1.4 TeV (95% C.L.).
Published: 1992

27. Search for Pair Production of Light Scalar Top Quarks inpp¯Collisions ats=1.8 TeV

Author: R. K. Shivpuri, M. Buehler, N. Parua, V.V. Abramov, Bobby Samir Acharya, H. A. Neal, K. W. Merritt, J. F. Bartlett, V. Manankov, D. Edmunds, J. T. Linnemann, V. Sorín, K. Yip, A. Besson, M. Jaffré, W. Kahl, N. R. Stanton, D. R. Claes, L. Lueking, Andre Sznajder, Yuri Gershtein, V. A. Bezzubov, Vipin Bhatnagar, T. C. Bacon, J. P. Negret, R. P. Smith, V. Oguri, Pushpalatha C Bhat, D. Buchholz, M. Sosebee, M. Bhattacharjee, L. Stutte, Michael Shupe, Michael Hildreth, Andrew White, M. Merkin, R. Van Kooten, R. Partridge, X. Zhang, S. Krzywdzinski, S. Doulas, Arnaud Lucotte, A.S. Dyshkant, P. Krivkova, Alexander Kupco, J. Estrada, D. P. Stoker, L. Babukhadia, Michael A. Strauss, A. V. Kostritskiy, Gustaaf Brooijmans, Alexander Belyaev, Y. A. Yatsunenko, K. Gounder, V. L. Malyshev, C. Han, Florian Beaudette, Anna Goussiou, Sharon Hagopian, Harrison Prosper, Kaushik De, S. Kesisoglou, H. da Motta, Sissel Hansen, Patrick Slattery, H. S. Mao, J. Warchol, M. B. Przybycien, Randy Ruchti, K. Papageorgiou, Y. Kulik, S. Desai, A. Stone, A. Zylberstejn, M. A.C. Cummings, D. Mihalcea, Raymond Brock, Boaz Klima, Suman Bala Beri, A. Zieminski, Andrew Brandt, Christos Leonidopoulos, V. M. Abazov, Neeti Parashar, Shuichi Kunori, R. Beuselinck, Gregory R Snow, R. Engelmann, Ulrich Heintz, F. Lehner, A. S. Ito, A. Leflat, B. Hoeneisen, A. Juste, V. Vaniev, P. M. Tuts, Lee Sawyer, H. E. Fisk, V. E. Kuznetsov, E. A. Kozlovsky, H.E. Miettinen, Vladimir Gavrilov, H. Greenlee, H. Jöstlein, J. Womersley, Frank Filthaut, Gordon Watts, M. Zielinski, J. Huang, Andrei Nomerotski, S. J. De Jong, P.F. Ermolov, B. Kothari, M. Diesburg, B. Connolly, T. Rockwell, Iain Alexander Bertram, V. Sirotenko, Michael Rijssenbeek, S. Tentindo-Repond, Z. Zhou, J. Solomon, D. Casey, Robert Hirosky, R. Piegaia, S. Willis, V. S. Burtovoi, John Hobbs, A. Bross, P. Demine, R. A. Sidwell, J. Kotcher, A. M. Kalinin, O. V. Eroshin, E. G. Zverev, D. A. Stoyanova, A. S. Turcot, D. Karmanov, S. N. Gurzhiev, G. A. Davis, D. Coppage, Y. Song, G. Bernardi, Philip Baringer, Phillip Gutierrez, Harald Fox, G. Gutierrez, J. Barreto, Serban Protopopescu, Emanuela Barberis, D. A. Wijngaarden, Michael Begel, S. Banerjee, V. N. Evdokimov, Gilvan Alves, E. Kajfasz, Ia Iashvili, A. N. Galyaev, Marvin Johnson, B. G. Pope, Y. D. Mutaf, V. S. Narasimham, Meenakshi Narain, L. Groer, Thomas G Trippe, A. Alton, Viatcheslav Stolin, K. Bos, R. L. McCarthy, D. Chakraborty, N. A. Naumann, V. Simak, D. K. Cho, Y. Arnoud, S. Fu, A. A. Mayorov, Elizabeth Gallas, T. McMahon, C. Lundstedt, Carlos Avila, R. Illingworth, A. V. Kozelov, M. Gao, P. Padley, M. A. Strang, Sabine Crépé-Renaudin, S. Reucroft, W. E. Cooper, Alexey Volkov, Elizaveta Shabalina, J. M. Hauptman, J. Snow, H. L. Melanson, Q. Xu, Don Lincoln, Suyong Choi, P. W. Balm, Daniel John Karmgard, Cecilia Elena Gerber, Mitchell Wayne, H. Schellman, J. M. Kohli, Tulika Bose, V. V. Babintsev, Arnaud Duperrin, G. Ginther, J. T. Eltzroth, K. M. Chan, S.A. Kahn, H. Haggerty, R. J. Madaras, Jianming Qian, Stefan Grünendahl, R. Jesik, M. Strovink, Alexander Khanov, S. E.K. Mattingly, Jong-Sung Yu, Mossadek Talby, C. Hebert, K. A. Johns, David H. Adams, Alice Bean, S. Nelson, G. Briskin, M. H.G. Souza, D. Denisov, B. Gómez, Jeffrey F. Krane, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Vasken Hagopian, D. Hedin, Shashikant Dugad, H. Weerts, S. Chopra, F. Canelli, Volker Buescher, Zeno Dixon Greenwood, S. Baffioni, M. Demarteau, K. Genser, F. Blekman, Ariel Schwartzman, Elemer Nagy, H. E. Montgomery, S. N. Ahmed, M. Fortner, N. W. Reay, Z. M. Wang, Melissa Ridel, R. Kehoe, Lev Dudko, F. Villeneuve-Seguier, U. Bassler, Regina Demina, Q. Z. Li, Brad Abbott, Jing Li, Pierre Petroff, L. Duflot, Alberto Santoro, Sebastian Grinstein, Yu-tin Huang, J. G.R. Lima, Daniel Whiteson, N.V. Mokhov, M. I. Martin, A. P. Heinson, M. Abolins, P. Rubinov, G. Steinbruück, R. E. Hall, Nikos Varelas, Bing Zhou, Stephen Wimpenny, N. K. Mondal, A. R. Clark, G. D. Alexeev, Flera Rizatdinova, H. T. Diehl, T. A. Bolton, T. Marshall, A. Boehnlein, Darien Wood, J. Ellison, A. K.A. Maciel, Nicholas John Hadley, Sa. Jain, S. Fuess, S. Blessing, A. Abdesselam, Scott Snyder, B. M. Sabirov, P. A. Rapidis, P. I. Goncharov, A. Jonckheere, A. P. Vorobiev, Stephan Linn, N. Oshima, C. Miao, Daria Zieminska, R. D. Schamberger, M. A. Kubantsev, F. Borcherding, G. Sajot, Sarah Catherine Eno, Heriberto Castilla-Valdez, Richard B. Lipton, A. Baden, G. C. Blazey, R. Yamada, N. Sotnikova, R. J. Genik, Wendy Taylor, A. Patwa, S. P. Denisov, Roger Moore, M. R. Krishnaswamy, Sergey Chekulaev, C. Luo, Mary Beth Adams, D. Cutts, V. Zutshi, Wagner Carvalho, Greg Landsberg, D. Shpakov, K. Soustruznik, N. I. Bojko, D. O'Neil, J. N. Butler, P. D. Grannis, T. Nunnemann, B. Baldin, Christophe Royon, W. M. Lee, A. Kharchilava, A. Melnitchouk, Sergey Kuleshov, Victor Daniel Elvira, H. D. Wahl, D. Bauer, M. Zanabria, O. Peters, and T. Yasuda
Subjects: Physics, Quark, Particle physics, Top quark, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Supersymmetry, 7. Clean energy, 01 natural sciences, Charm quark, Standard Model, Nuclear physics, Pair production, 0103 physical sciences, Neutralino, High Energy Physics::Experiment, 010306 general physics
Abstract: Using 85.2+/-3.6 pb(-1) of p (p) over bar collisions collected at roots=1.8 TeV with the D0 detector at Fermilab's Tevatron Collider, we present the results of a search for direct pair production of scalar top quarks ((t) over bar), the supersymmetric partners of the top quark. We examined events containing two or more jets and missing transverse energy, the signature of light scalar top quark decays to charm quarks and neutralinos. After selections, we observe 27 events while expecting 31.1+/-6.4 events from known standard model processes. Comparing these results to next-to-leading-order production cross sections, we exclude a significant region of (t) over tilde and neutralino phase space. In particular, we exclude the (t) over tilde mass m((t) over tilde)
Published: 2004

28. Search for Large Extra Dimensions in theMonojet+E̸TChannel with the DØ Detector

Author: M. Buehler, J. M. Hauptman, Cecilia Elena Gerber, N. R. Stanton, Bobby Samir Acharya, H. A. Neal, E. G. Zverev, Michael A. Strauss, J. T. Linnemann, V. Sorín, V. V. Babintsev, A. Leflat, S. Tentindo-Repond, M. Bhattacharjee, Philip Baringer, S. Banerjee, G. Ginther, K. Yip, L. Stutte, Jianming Qian, K. W. Merritt, B. G. Pope, Elizabeth Gallas, T. McMahon, M. Strovink, M. Merkin, Zeno Dixon Greenwood, T. G. Trippe, Elizaveta Shabalina, Sharon Hagopian, A.S. Dyshkant, Meenakshi Narain, J. T. White, Y. Kulik, J. F. Bartlett, G. Briskin, K. Papageorgiou, Jeffrey F. Krane, S. Baffioni, W. Kahl, V. Manankov, Neeti Parashar, L. Lueking, T. Nunnemann, B. Baldin, M. A. Strang, F. Fleuret, Suman Bala Beri, Raymond Brock, Boaz Klima, R. Beuselinck, E. Popkov, Andrew White, D. Cutts, Wagner Carvalho, D. Casey, M. Zielinski, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, S. Fu, P.F. Ermolov, W. M. Lee, R. Piegaia, A. Kharchilava, A. Goussiou, P. Yamin, G. D. Alexeev, Flera Rizatdinova, J. T. Eltzroth, Greg Landsberg, A. Juste, C. S. Mishra, Michael Hildreth, J. Kotcher, S. Willis, Harald Fox, C. Han, Suyong Choi, R. Jesik, Q. Xu, T. C. Bacon, M. Sosebee, Stephen Wimpenny, N. Graf, Sergey Kuleshov, D. Mihalcea, K. A. Johns, M. Abolins, Victor Daniel Elvira, J. Estrada, Andrei Nomerotski, B. Connolly, Richard Breedon, L. S. Vertogradov, A. N. Galyaev, Y. D. Mutaf, Vipin Bhatnagar, D. P. Stoker, N. I. Bojko, Y. A. Yatsunenko, D. K. Cho, Y. Arnoud, Christophe Royon, R. Illingworth, Freya Blekman, P. M. Tuts, V. E. Kuznetsov, Vasken Hagopian, K. Soustruznik, John Hobbs, J. Barreto, Harrison Prosper, A. Alton, U. Bassler, V. S. Burtovoi, S. Desai, V. M. Abazov, R. Partridge, X. Zhang, H. Weerts, Z. M. Wang, D. O'Neil, Robert Hirosky, A. M. Kalinin, D. Bauer, W. E. Cooper, S. Duensing, V. Oguri, N. K. Mondal, H. T. Diehl, T. A. Bolton, Shuichi Kunori, D. A. Wijngaarden, Pushpalatha C Bhat, V. Vaniev, M. A.C. Cummings, R. Demina, A. Baden, G. C. Blazey, Lev Dudko, V. L. Malyshev, F. Villeneuve-Seguier, G. Gutierrez, Gilvan Alves, B. Hoeneisen, Andrew Brandt, K. M. Chan, Heriberto Castilla-Valdez, J. N. Butler, P. D. Grannis, D. Whiteson, A. Boehnlein, Lee Sawyer, Arnaud Duperrin, T. Rockwell, Iain Alexander Bertram, H. S. Mao, Michael Rijssenbeek, R. Engelmann, R. Yamada, Gustaaf Brooijmans, H. D. Wahl, M. Zanabria, Winston Ko, K. Bos, J. Ellison, A. K.A. Maciel, T. Marshall, B. Knuteson, A. Khanov, N. Parua, V.V. Abramov, Jong-Sung Yu, B. M. Sabirov, V. S. Narasimham, L. Groer, E. A. Kozlovsky, S. Youssef, H.E. Miettinen, P. Demine, J. Warchol, Alberto Santoro, Sa. Jain, A. Abdesselam, H. Zheng, Gregorio Bernardi, D. Denisov, S. Chopra, Y. Fisyak, S.A. Kahn, Darien Wood, A. A. Mayorov, D. Coppage, Nicholas John Hadley, G. Steinbrück, V. Zutshi, M. Jaffré, V. N. Evdokimov, M. Demarteau, Marvin Johnson, Ariel Schwartzman, R. J. Madaras, P. Rubinov, D. Edmunds, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Arnaud Lucotte, Melissa Ridel, H. E. Fisk, S. Blessing, H. L. Melanson, R. Kehoe, P. I. Goncharov, A. V. Kozelov, S. J. De Jong, Howard Gordon, Andre Sznajder, D. Shpakov, Rajendran Raja, Alexander Kupco, P. A. Rapidis, J. Snow, N. A. Naumann, Yuri Gershtein, C. Miao, T. Yasuda, Scott Snyder, B. Olivier, B. Kothari, A. Jonckheere, D. Buchholz, A. P. Vorobiev, Stephan Linn, Z. Zhou, J. Solomon, J. H. Christenson, P. Krivkova, John Rutherfoord, Randy Ruchti, S. Reucroft, N. Oshima, David H. Adams, L. Babukhadia, Alice Bean, Brad Abbott, S. Fuess, C. Luo, Mary Beth Adams, Daria Zieminska, R. K. Shivpuri, R. D. Schamberger, Elemer Nagy, F. Canelli, Pierre Petroff, S. P. Denisov, M. Gao, M. A. Kubantsev, Volker Buescher, Vladimir Gavrilov, Florian Beaudette, S. N. Gurzhiev, D. R. Claes, R. Van Kooten, Gordon Watts, V. Sirotenko, D. Hedin, A. Besson, O. V. Eroshin, Y. Song, M. R. Krishnaswamy, James C. Green, Phillip Gutierrez, E. Kajfasz, F. Borcherding, S. Doulas, Viatcheslav Stolin, Gregory R Snow, G. Sajot, A. Zieminski, C. Lundstedt, Carlos Avila, Sabine Crépé-Renaudin, Kaushik De, A. R. Clark, N. Sotnikova, R. J. Genik, Wendy Taylor, J. Huang, A. Patwa, Roger Moore, Sarah Catherine Eno, M. H.G. Souza, R. A. Sidwell, S. M. Tripathi, Sergey Chekulaev, Alexander Belyaev, H. E. Montgomery, F. Nang, Richard B. Lipton, Patrick Slattery, D. A. Stoyanova, A. S. Turcot, Michael Begel, Yu-tin Huang, K. Genser, Nikos Varelas, Bing Zhou, D. Fein, D. Chakraborty, Ulrich Heintz, Don Lincoln, H. Jöstlein, Frank Filthaut, P. W. Balm, A. Stone, M. Diesburg, Daniel John Karmgard, A. V. Kostritskiy, K. Gounder, Sissel Hansen, L. Coney, C. Hebert, V. Simak, P. Padley, Alexey Volkov, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, Jing Li, Mossadek Talby, Christos Leonidopoulos, B. Gómez, S. Krzywdzinski, A. Zylberstejn, J. Womersley, Shashikant Dugad, F. Lehner, D. Karmanov, H. Greenlee, Ia Iashvili, A. Bross, O. Peters, G. A. Davis, Serban Protopopescu, E. W. Anderson, L. Duflot, Q. Z. Li, N.V. Mokhov, M. I. Martin, A. P. Heinson, Sebastian Grinstein, R. E. Hall, Z. Casilum, R. L. McCarthy, G. Eppley, H. da Motta, J. G.R. Lima, A. S. Ito, S. N. Ahmed, M. Fortner, N. W. Reay, M. B. Przybycien, Emanuela Barberis, L. T. Goss, Charles Leggett, Tulika Bose, and H. Haggerty
Subjects: Physics, Particle physics, Muon, 010308 nuclear & particles physics, Detector, Tevatron, General Physics and Astronomy, Jet (particle physics), 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, Physics::Accelerator Physics, Large extra dimension, High Energy Physics::Experiment, Millimeter, Fermilab, 010306 general physics
Abstract: We present a search for large extra dimensions (ED) in p (p) over bar collisions at a center-of-mass energy of 1.8 TeV using data collected by the DO detector at the Fermilab Tevatron in 1994-1996. Data corresponding to 78.8+/-3.9 pb(-1) are examined for events with large missing transverse energy, one high-p(T) jet, and no isolated muons. There is no excess observed beyond expectation from the standard model, and we place lower limits on the fundamental Planck scale of 1.0 and 0.6 TeV for 2 and 7 ED, respectively.
Published: 2003

29. Multiple jet production at low transverse energies inpp¯collisions ats=1.8TeV

Author: V. V. Babintsev, G. Ginther, Jianming Qian, L. Duflot, V. Simak, B. Kothari, P. Padley, Alexey Volkov, G. Briskin, N.V. Mokhov, A. Leflat, Jeffrey F. Krane, M. I. Martin, Elemer Nagy, A. P. Heinson, P. Demine, Mitchell Wayne, H. Schellman, J. M. Kohli, H. Zheng, Yu-tin Huang, E. Kajfasz, R. E. Hall, M. Sosebee, D. Edmunds, Stefan Grünendahl, Elizabeth Gallas, T. McMahon, D. Coppage, J. T. Eltzroth, R. Jesik, K. A. Johns, Z. Casilum, Nikos Varelas, Andre Sznajder, S. Tentindo-Repond, Christos Leonidopoulos, Bing Zhou, R. K. Shivpuri, L. Lueking, Anurag Gupta, Mossadek Talby, B. Gómez, Pushpalatha C Bhat, Yuri Gershtein, H. L. Melanson, S. Krzywdzinski, Freya Blekman, Wendy Taylor, D. R. Claes, A. Patwa, V. Oguri, H. E. Fisk, T. C. Bacon, Philip Baringer, Shashikant Dugad, H. Motta, S. Fu, Gustaaf Brooijmans, D. Buchholz, P. Krivkova, J. Warchol, S. Doulas, J. Womersley, A. Zylberstejn, F. Lehner, H. Greenlee, B. M. Sabirov, S. Banerjee, Z. Zhou, J. Solomon, N. A. Naumann, J. H. Christenson, V. M. Abazov, Kaushik De, Neeti Parashar, M. A.C. Cummings, Florian Beaudette, B. Hoeneisen, Lee Sawyer, L. Babukhadia, M. A. Strang, Andrew White, Roger Moore, D. P. Stoker, Q. Xu, David H. Adams, Alice Bean, D. A. Stoyanova, B. G. Pope, E. Popkov, D. Karmanov, C. S. Mishra, Andrew Brandt, R. Engelmann, M. Zielinski, R. L. McCarthy, A. S. Turcot, S. Reucroft, R. Gilmartin, F. Canelli, Volker Buescher, S. M. Tripathi, M. Gao, Gregory R Snow, B. Knuteson, Ia Iashvili, E. A. Kozlovsky, H.E. Miettinen, Suyong Choi, A. Goussiou, A. V. Kostritskiy, M. Bhattacharjee, B. Connolly, Richard Breedon, K. Gounder, Vipin Bhatnagar, Sissel Hansen, R. Van Kooten, G. Obrant, D. Mihalcea, U. Bassler, A. Bross, A. Besson, O. Peters, Andrei Nomerotski, Haiyan Wang, S.A. Kahn, Elizaveta Shabalina, Vasken Hagopian, R. Partridge, X. Zhang, T. Rockwell, Iain Alexander Bertram, M. Demarteau, T. G. Trippe, G. A. Davis, Serban Protopopescu, M. Strovink, P.F. Ermolov, Bobby Samir Acharya, H. A. Neal, H. Weerts, M. Roco, Z. M. Wang, John Hobbs, L. Coney, M. Merkin, Stephen Wimpenny, Michael Begel, V. L. Malyshev, Lev Dudko, D. Fein, P. M. Tuts, V. E. Kuznetsov, R. W. Stephens, Michael Rijssenbeek, D. Chakraborty, A. Zieminski, J. T. White, J. T. Linnemann, W. Kahl, E. G. Zverev, V. Sorín, K. Yip, Sharon Hagopian, Don Lincoln, P. W. Balm, J. Barreto, V. S. Burtovoi, T. Marshall, G. Eppley, D. A. Wijngaarden, H. S. Mao, K. Papageorgiou, Alberto Santoro, A. Stone, Daniel John Karmgard, C. Hebert, Heriberto Castilla-Valdez, M. Buehler, Darien Wood, K. Bos, Seong Keun Kim, J. G.R. Lima, Gregorio Bernardi, D. Denisov, P. Yamin, Nicholas John Hadley, Robert Hirosky, L. Stutte, Raymond Brock, Boaz Klima, N. R. Stanton, G. D. Alexeev, Flera Rizatdinova, A.S. Dyshkant, V. N. Evdokimov, R. A. Sidwell, Michael A. Strauss, P. Rubinov, J. M. Heinmiller, Srinivasan Rajagopalan, R. Beuselinck, S. Blessing, Hal Evans, Scott Snyder, Thomas Ferbel, A. M. Kalinin, D. Bauer, Jing Li, R. Demina, Meenakshi Narain, S. J. Jong, A. S. Ito, S. Willis, R. Piegaia, G. Gutierrez, Gilvan Alves, Vladimir Gavrilov, Gordon Watts, F. Fleuret, Y. Kulik, E. Flattum, R. J. Madaras, E. W. Anderson, L. S. Vertogradov, A. N. Galyaev, Alexander Belyaev, V. Sirotenko, R. Snihur, D. Casey, Y. Fisyak, J. Kotcher, G. Steinbrück, O. V. Eroshin, Y. Song, Marvin Johnson, Suman Bala Beri, S. Chopra, Q. Z. Li, P. A. Rapidis, D. K. Cho, Y. Arnoud, Patrick Slattery, K. Genser, Phillip Gutierrez, Harald Fox, A. V. Kozelov, A. Jonckheere, R. Illingworth, W. E. Cooper, S. Duensing, V. S. Narasimham, L. Groer, Ariel Schwartzman, A. Juste, A. P. Vorobiev, Stephan Linn, Rajendran Raja, A. Alton, N. Graf, N. Oshima, Daria Zieminska, Y. D. Mutaf, A. Khanov, N. Parua, N. Sotnikova, V.V. Abramov, Melissa Ridel, R. Kehoe, R. D. Schamberger, Arnaud Duperrin, A. A. Mayorov, D. Hedin, Ulrich Heintz, M. A. Kubantsev, R. J. Genik, M. Jaffré, M. H.G. Souza, Jong-Sung Yu, Brad Abbott, Shuichi Kunori, H. Jöstlein, Chris Hays, Frank Filthaut, V. A. Bezzubov, Christophe Royon, Pierre Petroff, Arnaud Lucotte, M. Diesburg, Alexander Kupco, J. P. Negret, R. P. Smith, Sebastian Grinstein, H. E. Montgomery, V. Vaniev, J. Snow, K. M. Chan, Michael Shupe, Michael Hildreth, Randy Ruchti, H. D. Wahl, M. Zanabria, Winston Ko, J. Estrada, Y. A. Yatsunenko, Harrison Prosper, S. Desai, T. Yasuda, S. N. Ahmed, M. Fortner, N. W. Reay, Emanuela Barberis, L. T. Goss, Charles Leggett, Tulika Bose, H. Haggerty, M. B. Przybycien, F. Borcherding, N. I. Bojko, G. Sajot, D. O'Neil, J. N. Butler, P. D. Grannis, P. I. Goncharov, C. Miao, Miguel Mostafa, B. Olivier, S. Youssef, M. Abolins, Sarah Catherine Eno, N. K. Mondal, H. T. Diehl, T. A. Bolton, H. Singh, D. Whiteson, A. Boehnlein, J. Ellison, A. K.A. Maciel, Sa. Jain, S. Fuess, A. Abdesselam, V. Zutshi, Zeno Dixon Greenwood, S. P. Denisov, M. R. Krishnaswamy, D. Shpakov, A. R. Clark, Sergey Chekulaev, K. W. Merritt, T. Nunnemann, B. Baldin, J. F. Bartlett, V. Manankov, Y. Ducros, W. M. Lee, A. Kharchilava, F. Nang, Richard B. Lipton, Howard Gordon, Sergey Kuleshov, F. Villeneuve-Seguier, Victor Daniel Elvira, D. Cutts, Wagner Carvalho, Greg Landsberg, K. Soustruznik, A. Baden, G. C. Blazey, R. Yamada, John Rutherfoord, C. Luo, Mary Beth Adams, S. N. Gurzhiev, Viatcheslav Stolin, James C. Green, C. Lundstedt, Carlos Avila, Sabine Crépé-Renaudin, J. M. Hauptman, and Cecilia Elena Gerber
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Jet (fluid), Particle physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, 01 natural sciences, 7. Clean energy, Spectral line, Nuclear physics, Transverse plane, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Bar (unit)
Abstract: We present data on multiple production of jets with transverse energies near 20 GeV in p (p) over bar collisions at roots=1.8 TeV. QCD calculations in the parton-shower approximation of PYTHIA and HERWIG and the next-to-leading order approximation of JETRAD are compared to the data for one, two, three, and four jet inclusive production. Transverse energy spectra and multiple jet angular and summed transverse-energy distributions are adequately described by the shower approximation while next-to-leading order calculations describe the data poorly.
Published: 2003

30. tt¯production cross section inpp¯collisions ats=1.8TeV

Author: M. Bhattacharjee, S. J. Jong, H. D. Wahl, M. Zanabria, Winston Ko, T. G. Trippe, Chris Hays, T. Fahland, Vipin Bhatnagar, Sharon Hagopian, K. Papageorgiou, V. A. Bezzubov, J. P. Negret, T. Yasuda, D. Buchholz, J. M. Hauptman, Cecilia Elena Gerber, Wendy Taylor, A. Patwa, R. P. Smith, A. Khanov, Alexander Belyaev, N. Parua, Roger Moore, N. Sotnikova, R. J. Genik, P. Tamburello, Heng Xu, Florian Beaudette, R. Partridge, X. Zhang, V.V. Abramov, Heriberto Castilla-Valdez, R. Piegaia, Patrick Slattery, Michael Shupe, Michael Hildreth, V. V. Babintsev, P. A. Rapidis, G. Ginther, V. L. Malyshev, M. Jaffré, D. Fein, D. Chakraborty, R. Snihur, Gregory R Snow, Robert Hirosky, S. Fu, J. Estrada, S. P. Denisov, H. S. Mao, Jianming Qian, A. M. Kalinin, S. M. Chang, A. Jonckheere, P.F. Ermolov, Arnaud Lucotte, D. Bauer, R. Demina, A. Alton, P. Demine, H. Zheng, Q. Xu, M. R. Krishnaswamy, Alexander Kupco, Emanuela Barberis, L. T. Goss, Charles Leggett, T. C. Bacon, Elizabeth Gallas, T. McMahon, E. Flattum, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, Mark Johnson, R. D. Schamberger, V. S. Burtovoi, A. R. Clark, G. Gutierrez, Gilvan Alves, G. Briskin, Jeffrey F. Krane, Ulrich Heintz, H. Jöstlein, Y. A. Yatsunenko, A. V. Kotwal, Harrison Prosper, D. P. Stoker, D. Coppage, Anurag Gupta, Randy Ruchti, Zeno Dixon Greenwood, H. L. Melanson, Sergey Chekulaev, Frank Filthaut, S. Desai, M. A. Kubantsev, Tulika Bose, V. M. Abazov, S. Chopra, Don Lincoln, Erich Varnes, P. W. Balm, A. Stone, Daniel John Karmgard, Pushpalatha C Bhat, Yu-tin Huang, M. Diesburg, G. Steinbrück, K. Genser, J. H. Christenson, David H. Adams, K. M. Chan, B. M. Sabirov, V. S. Narasimham, D. A. Stoyanova, M. A.C. Cummings, C. Hebert, Rajendran Raja, N. A. Naumann, Alice Bean, A. S. Turcot, H. Haggerty, B. Hoeneisen, Lee Sawyer, L. Groer, J. T. Eltzroth, R. J. Madaras, Nikos Varelas, Bing Zhou, B. Knuteson, T. Rockwell, Iain Alexander Bertram, R. L. McCarthy, Brad Abbott, M. Ridel, Stephen Wimpenny, F. Canelli, K. W. Merritt, R. Jesik, Laurent Duflot, Haiyan Wang, S.A. Kahn, Michael Rijssenbeek, S. Reucroft, Y. Ducros, M. Abolins, Pierre Petroff, K. A. Johns, Michael Begel, A. A. Mayorov, Volker Buescher, J. F. Bartlett, M. Demarteau, C. Yoshikawa, R. Van Kooten, A. Besson, T. Marshall, V. Manankov, U. Bassler, D. Stewart, Ariel Schwartzman, E. Smith, E. J. Ramberg, S. N. Gurzhiev, M. H.G. Souza, V. N. Evdokimov, A. Nomerotski, Jing Li, A. Zylberstejn, J. Snow, S. N. Ahmed, M. Fortner, Michael A. Strauss, P. Yamin, A. Zieminski, H. E. Montgomery, W. Kahl, G. D. Alexeev, Flera Rizatdinova, M. Roco, Darien Wood, N. W. Reay, N. K. Mondal, H. T. Diehl, G. Eppley, T. A. Bolton, Nicholas John Hadley, V. Oguri, E. G. Zverev, Y. Fisyak, J. G.R. Lima, S. Blessing, H. Singh, N.V. Mokhov, M. Chung, D. Whiteson, A. Boehnlein, Y. Kulik, M. I. Martin, Elemer Nagy, Scott Snyder, Gustaaf Brooijmans, L. Lueking, R. Kehoe, J. Ellison, A. K.A. Maciel, A. P. Heinson, Sa. Jain, S. Fuess, A. V. Kozelov, A. S. Ito, Shuichi Kunori, R. K. Shivpuri, E. Popkov, V. Vaniev, J. Warchol, D. Hedin, Suman Bala Beri, Matthew Jones, Viatcheslav Stolin, Christos Leonidopoulos, D. R. Claes, Meenakshi Narain, P. I. Goncharov, C. Cretsinger, M. Strovink, R. E. Hall, J. Womersley, S. Doulas, D. Mihalcea, Z. Casilum, A. Juste, C. Miao, B. Olivier, M. B. Przybycien, Andrew White, C. Royon, P. M. Tuts, B. Pawlik, Howard Gordon, V. E. Kuznetsov, Kaushik De, E. W. Anderson, S. Krzywdzinski, B. Kothari, K. C. Frame, R. W. Stephens, D. Karmanov, Q. Z. Li, M. Sosebee, C. Lundstedt, A. Goussiou, D. Edmunds, D. Casey, S. M. Tripathi, J. Kotcher, F. Lehner, H. Greenlee, Carlos Avila, N. Amos, Sebastian Grinstein, Ia Iashvili, E. Amidi, Harald Fox, Andre Sznajder, A. Bross, Sabine Crépé-Renaudin, A. V. Kostritskiy, K. Gounder, Yuri Gershtein, Sissel Hansen, L. S. Vertogradov, O. Peters, John Hobbs, J. Bantly, Freya Blekman, N. Graf, A. N. Galyaev, G. A. Davis, Serban Protopopescu, L. Coney, Suyong Choi, N. Sen, Y. D. Mutaf, J. Barreto, H. Motta, E. Kajfasz, P. Krivkova, Bobby Samir Acharya, H. A. Neal, J. T. Linnemann, V. Simak, P. Padley, L. Babukhadia, Alexey Volkov, D. K. Cho, Y. Arnoud, James H Cochran, V. Sorín, K. Yip, R. Illingworth, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, J. Thompson, B. Connolly, Mossadek Talby, Richard Breedon, B. Gómez, L. Stutte, Z. H. Zhu, Shashikant Dugad, Andrew Brandt, W. E. Cooper, R. Engelmann, A.S. Dyshkant, S. Duensing, E. A. Kozlovsky, H.E. Miettinen, M. A. Strang, C. S. Mishra, F. Fleuret, Arnaud Duperrin, D. A. Wijngaarden, A. Abdesselam, K. Bos, Gregorio Bernardi, D. Denisov, Jong-Sung Yu, Vasken Hagopian, H. Weerts, Z. M. Wang, Lev Dudko, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, M. Merkin, Vladimir Gavrilov, Gordon Watts, Raymond Brock, Boaz Klima, R. Beuselinck, V. Sirotenko, O. V. Eroshin, Y. Song, Phillip Gutierrez, R. A. Sidwell, S. Willis, Neeti Parashar, B. G. Pope, M. Zielinski, N. I. Bojko, D. O'Neil, Elizaveta Shabalina, J. N. Butler, P. D. Grannis, J. T. White, S. Youssef, V. Zutshi, A. Leflat, D. Shpakov, Eunil Won, W. G. Cobau, T. Nunnemann, B. Baldin, S. Tentindo-Repond, W. M. Lee, A. Kharchilava, Sergey Kuleshov, Victor Daniel Elvira, Philip Baringer, S. Banerjee, V. Balamurali, M. Buehler, N. R. Stanton, Alberto Santoro, Seong Keun Kim, P. Rubinov, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, R. Gilmartin, M. Gao, A. Baden, G. C. Blazey, R. Yamada, John Rutherfoord, C. Luo, Mary Beth Adams, James C. Green, D. Cutts, Wagner Carvalho, Greg Landsberg, M. Paterno, K. Soustruznik, F. Borcherding, G. Sajot, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, F. Nang, Richard B. Lipton, and F. Villeneuve-Seguier
Subjects: Physics, Nuclear and High Energy Physics, Cross section (physics), Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Production (computer science), 010306 general physics, 01 natural sciences
Published: 2003

31. Search for minimal supergravity in single-electron events with jets and large missing transverse energy inpp¯collisions ats=1.8TeV

Author: P.F. Ermolov, E. Flattum, S. Chopra, Ulrich Heintz, Ariel Schwartzman, E. Smith, Frank Filthaut, Raymond Brock, Boaz Klima, R. Beuselinck, A. Khanov, N. Parua, V.V. Abramov, V. S. Burtovoi, R. K. Shivpuri, D. R. Claes, V. Simak, P. Padley, Alexey Volkov, S. Krzywdzinski, M. Diesburg, K. Genser, M. Jaffré, Rajendran Raja, Brad Abbott, Pierre Petroff, R. Kehoe, S. Willis, R. J. Madaras, S. Doulas, Kaushik De, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, Mossadek Talby, B. Gómez, P. I. Goncharov, Suyong Choi, C. Miao, R. Van Kooten, A. Besson, L. S. Vertogradov, A. N. Galyaev, Arnaud Lucotte, Alexander Kupco, S. N. Ahmed, M. Fortner, N. W. Reay, Meenakshi Narain, T. Nunnemann, B. Baldin, H. A. Neal, A. Zieminski, W. Kahl, F. Lehner, H. Greenlee, Andrew White, D. K. Cho, Y. Arnoud, R. Illingworth, D. Buchholz, S. M. Tripathi, M. Abolins, P. A. Rapidis, R. A. Sidwell, Randy Ruchti, B. Kothari, W. M. Lee, A. Kharchilava, Florian Beaudette, Sergey Kuleshov, V. Sorín, K. Yip, D. Edmunds, A. Bross, O. Peters, W. E. Cooper, S. Duensing, N. Sotnikova, A. Goussiou, S. Fu, R. J. Genik, S. J. Jong, Victor Daniel Elvira, L. Stutte, A.S. Dyshkant, Shuichi Kunori, Andrei Nomerotski, N. K. Mondal, H. T. Diehl, T. A. Bolton, H. Singh, Wendy Taylor, A. Patwa, Arnaud Duperrin, Gregory R Snow, Andre Sznajder, G. A. Davis, Serban Protopopescu, Jong-Sung Yu, L. Lueking, John Hobbs, S. Youssef, J. Krane, M. Sosebee, F. Fleuret, A. V. Kostritskiy, R. D. Schamberger, K. Gounder, Roger Moore, J. Barreto, D. Hedin, Sissel Hansen, S. R. Dugad, V. Vaniev, V. Zutshi, D. Whiteson, A. Boehnlein, T. G. Trippe, M. A. Strang, M. Buehler, L. Coney, Yuri Gershtein, E. Kajfasz, D. Fein, Alexander Belyaev, J. Ellison, A. K.A. Maciel, M. B. Przybycien, N. Sen, C. S. Mishra, M. R. Adams, Chris Hays, V. A. Bezzubov, J. P. Negret, Christos Leonidopoulos, P. Demine, Freya Blekman, H. Motta, Sa. Jain, S. Fuess, D. Chakraborty, P. Krivkova, Don Lincoln, H. Zheng, D. Shpakov, R. L. McCarthy, Sharon Hagopian, K. Papageorgiou, M. H.G. Souza, Patrick Slattery, Elizabeth Gallas, T. McMahon, H. Jostlein, N. I. Bojko, N. R. Stanton, R. P. Smith, D. O'Neil, Howard Gordon, U. Bassler, D. Coppage, D. A. Stoyanova, P. W. Balm, A. Stone, Daniel John Karmgard, L. Babukhadia, K. C. Frame, A. Jonckheere, E. Popkov, H. E. Montgomery, E. W. Anderson, A. Baden, D. Denisov, A. S. Turcot, Yu-tin Huang, J. Womersley, Michael Shupe, Michael Hildreth, Vasken Hagopian, G. Steinbrück, A. P. Vorobiev, Stephan Linn, N. A. Naumann, H. Weerts, Andrew Brandt, R. Engelmann, C. Hebert, Q. Z. Li, G. C. Blazey, Z. M. Wang, B. Olivier, Kenneth Johns, Richard Breedon, B. S. Acharya, J. N. Butler, P. D. Grannis, R. Yamada, A. Zylberstejn, J. Estrada, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, E. A. Kozlovsky, H.E. Miettinen, Michael Begel, M. Ridel, S. Reucroft, Nikos Varelas, R. Piegaia, R. Snihur, S. P. Denisov, Alberto Santoro, M. Roco, Sebastian Grinstein, Lev Dudko, F. Villeneuve-Seguier, G. Eppley, H. Haggerty, Bing Zhou, N. Oshima, A. V. Kotwal, Harrison Prosper, S. Desai, John Rutherfoord, J. G.R. Lima, G. Bernardi, Emanuela Barberis, D. Karmanov, Q. Xu, Christophe Royon, Zeno Dixon Greenwood, A. Alton, D. Mihalcea, M. R. Krishnaswamy, Heriberto Castilla-Valdez, Daria Zieminska, V. M. Abazov, Y. Fisyak, L. T. Goss, Charles Leggett, T. Rockwell, Iain Alexander Bertram, C. Luo, J. T. Eltzroth, P. Rubinov, J. M. Hauptman, M. A. Kubantsev, Stephen Wimpenny, T. Marshall, H. D. Wahl, M. Zanabria, Winston Ko, E. G. Zverev, Ia Iashvili, Darien Wood, R. Jesik, Laurent Duflot, P. M. Tuts, V. E. Kuznetsov, R. W. Stephens, Tulika Bose, Jing Li, Cecilia Elena Gerber, Michael Rijssenbeek, N.V. Mokhov, A. S. Ito, Nicholas John Hadley, Vladimir Gavrilov, E. J. Ramberg, M. I. Martin, M. Merkin, K. M. Chan, A. R. Clark, Robert Hirosky, V. V. Babintsev, Gordon Watts, S. Blessing, V. Sirotenko, A. Leflat, Sergey Chekulaev, Marvin Johnson, A. M. Kalinin, A. P. Heinson, G. Ginther, Scott Snyder, O. V. Eroshin, Y. Song, Phillip Gutierrez, D. A. Wijngaarden, A. Abdesselam, P. Yamin, D. Bauer, G. D. Alexeev, Flera Rizatdinova, K. Bos, James C. Green, M. Chung, Y. Ducros, A. V. Kozelov, T. Yasuda, V. Oguri, R. Demina, S. Tentindo-Repond, R. E. Hall, Michael A. Strauss, G. Gutierrez, Gilvan Alves, Gustaaf Brooijmans, V. N. Evdokimov, Z. Casilum, J. T. Linnemann, Neeti Parashar, Jianming Qian, D. Cutts, K. W. Merritt, J. Warchol, Philip Baringer, J. F. Bartlett, S. Banerjee, V. S. Narasimham, L. Groer, V. Manankov, M. Zielinski, T. C. Bacon, Wagner Carvalho, B. G. Pope, G. Briskin, Y. Kulik, A. A. Mayorov, Greg Landsberg, D. P. Stoker, J. Snow, S. N. Gurzhiev, Elizaveta Shabalina, B. Connolly, Suman Bala Beri, Y. A. Yatsunenko, J. T. White, A. Juste, Viatcheslav Stolin, C. Lundstedt, Carlos Avila, M. Strovink, Sabine Crépé-Renaudin, M. Paterno, K. Soustruznik, M. Bhattacharjee, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, F. Borcherding, R. Gilmartin, M. Gao, G. Sajot, B. M. Sabirov, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, Anurag Gupta, F. Nang, Richard B. Lipton, Elemer Nagy, Vipin Bhatnagar, R. Partridge, X. Zhang, V. L. Malyshev, H. S. Mao, B. Pawlik, D. Casey, J. Kotcher, Harald Fox, N. Graf, Y. D. Mutaf, H. L. Melanson, S. K. Kim, J. H. Christenson, David H. Adams, Alice Bean, F. Canelli, Volker Buescher, Pushpalatha C Bhat, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, B. Knuteson, Haiyan Wang, S.A. Kahn, M. Demarteau, and T. Fahland
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, 010308 nuclear & particles physics, Supergravity, High Energy Physics::Phenomenology, Tevatron, Electron, Expected value, 7. Clean energy, 01 natural sciences, law.invention, Standard Model, Nuclear physics, law, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, 010306 general physics, Collider
Abstract: We describe a search for evidence of minimal supergravity (MSUGRA) in 92.7 pb(-1) of data collected with the D empty set detector at the Fermilab Tevatron p (p) over bar collider at roots=1.8 TeV. Events with a single electron, four or more jets, and large missing transverse energy were used in this search. The major backgrounds are from W+jets, misidentified multijet, t (t) over bar, and WW production. We observe no excess above the expected number of background events in our data. A new limit in terms of MSUGRA model parameters is obtained.
Published: 2002

32. Search for the Production of Single Sleptons throughR-Parity Violation inpp¯Collisions ats=1.8 TeV

Author: L. Duflot, M. Jaffré, N.V. Mokhov, M. I. Martin, Arnaud Lucotte, A. P. Heinson, Alexander Kupco, R. E. Hall, D. Edmunds, M. Sosebee, S. Fu, U. Bassler, Andre Sznajder, Z. Casilum, Q. Xu, P.F. Ermolov, Yuri Gershtein, Randy Ruchti, Vipin Bhatnagar, N. I. Bojko, S. Krzywdzinski, Neeti Parashar, G. Steinbrück, R. Partridge, X. Zhang, R. Snihur, P. Krivkova, Christos Leonidopoulos, A. V. Kostritskiy, K. Gounder, M. Strovink, Ulrich Heintz, H. Jöstlein, Frank Filthaut, D. O'Neil, V. S. Burtovoi, S. P. Denisov, Rajendran Raja, Brad Abbott, Pierre Petroff, R. Van Kooten, A. Besson, A. Zieminski, L. Babukhadia, M. Diesburg, M. A. Strang, C. S. Mishra, P. Demine, Alberto Santoro, A. Zylberstejn, F. Lehner, H. Greenlee, M. Zielinski, V. L. Malyshev, Sissel Hansen, M. R. Krishnaswamy, L. Coney, H. Zheng, J. Womersley, D. Coppage, Seong Keun Kim, R. A. Sidwell, Emanuela Barberis, A. Alton, Yu-tin Huang, J. N. Butler, A. Leflat, M. Abolins, Michael A. Strauss, L. S. Vertogradov, A. N. Galyaev, A. Bross, H. S. Mao, P. Rubinov, G. A. Davis, P. D. Grannis, V. M. Abazov, J. M. Hauptman, Cecilia Elena Gerber, D. Karmanov, Andrew Brandt, R. Engelmann, Andrew White, Serban Protopopescu, N. A. Naumann, Vasken Hagopian, H. Weerts, V. V. Babintsev, R. L. McCarthy, Sergey Chekulaev, Z. M. Wang, Nikos Varelas, Bing Zhou, G. Ginther, L. T. Goss, Charles Leggett, Ia Iashvili, Y. Kulik, E. A. Kozlovsky, H.E. Miettinen, Alexander Belyaev, N. K. Mondal, H. T. Diehl, Lev Dudko, S. Reucroft, T. A. Bolton, H. Singh, Christophe Royon, T. Rockwell, Iain Alexander Bertram, S. N. Gurzhiev, Jianming Qian, A. Boehnlein, Patrick Slattery, Stephen Wimpenny, D. Cutts, Michael Rijssenbeek, T. Nunnemann, E. W. Anderson, F. Villeneuve-Seguier, A. R. Clark, D. A. Stoyanova, A. S. Turcot, B. Baldin, Wagner Carvalho, J. Ellison, W. Kahl, D. Fein, D. Chakraborty, A. K.A. Maciel, Sa. Jain, Suman Bala Beri, T. Marshall, Q. Z. Li, Y. Ducros, A. Goussiou, M. H.G. Souza, Tulika Bose, G. Briskin, H. D. Wahl, M. Zanabria, Winston Ko, K. M. Chan, Anurag Gupta, Bobby Samir Acharya, H. A. Neal, A. Abdesselam, H. L. Melanson, Don Lincoln, V. N. Evdokimov, Jeffrey F. Krane, Viatcheslav Stolin, W. M. Lee, A. Kharchilava, P. W. Balm, A. Stone, Michael Begel, K. W. Merritt, Greg Landsberg, Y. Fisyak, A. Juste, H. E. Montgomery, M. Roco, S. Fuess, S. Tentindo-Repond, Darien Wood, H. Haggerty, K. Genser, O. Peters, J. T. Linnemann, V. Sorín, K. Yip, Andrei Nomerotski, E. G. Zverev, Daniel John Karmgard, C. Hebert, B. M. Sabirov, Sergey Kuleshov, John Hobbs, P. I. Goncharov, Nicholas John Hadley, C. Lundstedt, Carlos Avila, J. F. Bartlett, Sebastian Grinstein, Marvin Johnson, G. Eppley, B. Connolly, Richard Breedon, H. da Motta, V. Simak, M. Fortner, V. Manankov, J. H. Christenson, David H. Adams, A. V. Kozelov, L. Stutte, A.S. Dyshkant, Victor Daniel Elvira, M. Bhattacharjee, Sabine Crépé-Renaudin, C. Miao, J. Barreto, Vladimir Gavrilov, B. Olivier, Shuichi Kunori, Alice Bean, S. Blessing, R. J. Madaras, Daniel Whiteson, P. Padley, Alexey Volkov, J. G.R. Lima, Gordon Watts, Scott Snyder, D. Buchholz, T. Yasuda, Wendy Taylor, A. Patwa, Roger Moore, V. Vaniev, Philip Baringer, S. Youssef, L. Lueking, F. Fleuret, D. K. Cho, Y. Arnoud, Jing Li, Suyong Choi, S. Banerjee, V. Sirotenko, R. K. Shivpuri, Mitchell Wayne, H. Schellman, J. M. Kohli, F. Canelli, Volker Buescher, A. S. Ito, K. Soustruznik, O. V. Eroshin, Stefan Grünendahl, Y. Song, Florian Beaudette, T. C. Bacon, Meenakshi Narain, H. E. Fisk, Sharon Hagopian, K. Papageorgiou, R. Illingworth, V. Zutshi, W. E. Cooper, D. Hedin, Phillip Gutierrez, K. De, D. A. Wijngaarden, D. R. Claes, Mossadek Talby, S. Duensing, B. Gómez, S. N. Ahmed, N. W. Reay, S. Doulas, D. P. Stoker, Z. Zhou, J. Solomon, Chris Hays, V. A. Bezzubov, E. Popkov, A. Baden, J. P. Negret, Elemer Nagy, K. Bos, R. P. Smith, B. G. Pope, Shashikant Dugad, F. Blekman, Gregory R Snow, G. C. Blazey, Zeno Dixon Greenwood, D. Shpakov, Arnaud Duperrin, Gregorio Bernardi, Michael Shupe, Michael Hildreth, D. Denisov, D. Mihalcea, R. Gilmartin, M. Gao, J. Estrada, E. Flattum, R. Piegaia, Elizaveta Shabalina, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Jong-Sung Yu, P. M. Tuts, D. Casey, Y. A. Yatsunenko, V. E. Kuznetsov, Harrison Prosper, R. W. Stephens, S. M. Tripathi, S. Desai, R. Yamada, S. Chopra, Robert Hirosky, J. Kotcher, A. M. Kalinin, D. Bauer, Howard Gordon, B. Knuteson, R. Demina, Harald Fox, G. Gutierrez, Gilvan Alves, Heriberto Castilla-Valdez, V. S. Narasimham, N. Sotnikova, R. J. Genik, Ariel Schwartzman, L. Groer, Thomas G Trippe, John Rutherfoord, M. Merkin, A. A. Mayorov, N. Graf, M. B. Przybycien, Y. D. Mutaf, J. Snow, Melissa Ridel, R. Kehoe, C. Luo, Mary Beth Adams, J. T. White, M. Buehler, James C. Green, Raymond Brock, Boaz Klima, F. Borcherding, V. Oguri, N. R. Stanton, G. Sajot, R. Beuselinck, Miguel Mostafa, Sarah Catherine Eno, S. Willis, Gustaaf Brooijmans, F. Nang, Richard B. Lipton, J. Warchol, Elizabeth Gallas, T. McMahon, J. T. Eltzroth, R. Jesik, K. A. Johns, S. J. De Jong, B. Kothari, E. Kajfasz, P. Yamin, G. D. Alexeev, Flera Rizatdinova, Pushpalatha C Bhat, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Haiyan Wang, S.A. Kahn, M. Demarteau, P. A. Rapidis, A. Jonckheere, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, R. D. Schamberger, M. A. Kubantsev, A. Khanov, N. Parua, and V.V. Abramov
Subjects: Physics, Particle physics, Muon, Luminosity (scattering theory), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Hadron, General Physics and Astronomy, Supersymmetry, Lambda, 01 natural sciences, Standard Model, Nuclear physics, R-parity, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: We report the first search for supersymmetric particles via s-channel production and decay of smuons or muon sneutrinos at hadronic colliders. The data for the two-muon and two-jets final states were collected by the D0 experiment and correspond to an integrated luminosity of 94+/-5 pb(-1). Assuming that R parity is violated via the single coupling lambda(211)('), the number of candidate events is in agreement with expectation from the standard model. Exclusion contours are given in the (m(0),m(1/2)) and (m((χ) over bar),m((ν) over bar)) planes for lambda(211)(')=0.09, 0.08, and 0.07.
Published: 2002

33. Search for the production of single sleptons through R-parity violation in pp; collisions at square root (s) =1.8 TeV

Author: V M, Abazov, B, Abbott, A, Abdesselam, M, Abolins, V, Abramov, B S, Acharya, D L, Adams, M, Adams, S N, Ahmed, G D, Alexeev, A, Alton, G A, Alves, E W, Anderson, Y, Arnoud, C, Avila, V V, Babintsev, L, Babukhadia, T C, Bacon, A, Baden, B, Baldin, P W, Balm, S, Banerjee, E, Barberis, P, Baringer, J, Barreto, J F, Bartlett, U, Bassler, D, Bauer, A, Bean, F, Beaudette, M, Begel, A, Belyaev, S B, Beri, G, Bernardi, I, Bertram, A, Besson, R, Beuselinck, V A, Bezzubov, P C, Bhat, V, Bhatnagar, M, Bhattacharjee, G, Blazey, F, Blekman, S, Blessing, A, Boehnlein, N I, Bojko, T A, Bolton, F, Borcherding, K, Bos, T, Bose, A, Brandt, R, Breedon, G, Briskin, R, Brock, G, Brooijmans, A, Bross, D, Buchholz, M, Buehler, V, Buescher, V S, Burtovoi, J M, Butler, F, Canelli, W, Carvalho, D, Casey, Z, Casilum, H, Castilla-Valdez, D, Chakraborty, K M, Chan, S V, Chekulaev, D K, Cho, S, Choi, S, Chopra, J H, Christenson, D, Claes, A R, Clark, L, Coney, B, Connolly, W E, Cooper, D, Coppage, S, Crépé-Renaudin, M A C, Cummings, D, Cutts, G A, Davis, K, De, S J, De Jong, M, Demarteau, R, Demina, P, Demine, D, Denisov, S P, Denisov, S, Desai, H T, Diehl, M, Diesburg, S, Doulas, Y, Ducros, L V, Dudko, S, Duensing, L, Duflot, S R, Dugad, A, Duperrin, A, Dyshkant, D, Edmunds, J, Ellison, J T, Eltzroth, V D, Elvira, R, Engelmann, S, Eno, G, Eppley, P, Ermolov, O V, Eroshin, J, Estrada, H, Evans, V N, Evdokimov, D, Fein, T, Ferbel, F, Filthaut, H E, Fisk, Y, Fisyak, E, Flattum, F, Fleuret, M, Fortner, H, Fox, S, Fu, S, Fuess, E, Gallas, A N, Galyaev, M, Gao, V, Gavrilov, R J, Genik, K, Genser, C E, Gerber, Y, Gershtein, R, Gilmartin, G, Ginther, B, Gómez, P I, Goncharov, H, Gordon, L T, Goss, K, Gounder, A, Goussiou, N, Graf, P D, Grannis, J A, Green, H, Greenlee, Z D, Greenwood, S, Grinstein, L, Groer, S, Grünendahl, A, Gupta, S N, Gurzhiev, G, Gutierrez, P, Gutierrez, N J, Hadley, H, Haggerty, S, Hagopian, V, Hagopian, R E, Hall, S, Hansen, J M, Hauptman, C, Hays, C, Hebert, D, Hedin, J M, Heinmiller, A P, Heinson, U, Heintz, M D, Hildreth, R, Hirosky, J D, Hobbs, B, Hoeneisen, Y, Huang, I, Iashvili, R, Illingworth, A S, Ito, M, Jaffré, S, Jain, R, Jesik, K, Johns, M, Johnson, A, Jonckheere, H, Jöstlein, A, Juste, W, Kahl, S, Kahn, E, Kajfasz, A M, Kalinin, D, Karmanov, D, Karmgard, R, Kehoe, A, Khanov, A, Kharchilava, S K, Kim, B, Klima, B, Knuteson, W, Ko, J M, Kohli, A V, Kostritskiy, J, Kotcher, B, Kothari, A V, Kozelov, E A, Kozlovsky, J, Krane, M R, Krishnaswamy, P, Krivkova, S, Krzywdzinski, M, Kubantsev, S, Kuleshov, Y, Kulik, S, Kunori, A, Kupco, V E, Kuznetsov, G, Landsberg, W M, Lee, A, Leflat, C, Leggett, F, Lehner, C, Leonidopoulos, J, Li, Q Z, Li, J G R, Lima, D, Lincoln, S L, Linn, J, Linnemann, R, Lipton, A, Lucotte, L, Lueking, C, Lundstedt, C, Luo, A K A, Maciel, R J, Madaras, V L, Malyshev, V, Manankov, H S, Mao, T, Marshall, M I, Martin, A A, Mayorov, R, McCarthy, T, McMahon, H L, Melanson, M, Merkin, K W, Merritt, C, Miao, H, Miettinen, D, Mihalcea, C S, Mishra, N, Mokhov, N K, Mondal, H E, Montgomery, R W, Moore, M, Mostafa, H, Da Motta, Y D, Mutaf, E, Nagy, F, Nang, M, Narain, V S, Narasimham, N A, Naumann, H A, Neal, J P, Negret, A, Nomerotski, T, Nunnemann, D, O'Neil, V, Oguri, B, Olivier, N, Oshima, P, Padley, K, Papageorgiou, N, Parashar, R, Partridge, N, Parua, A, Patwa, O, Peters, P, Pétroff, R, Piegaia, B G, Pope, E, Popkov, H B, Prosper, S, Protopopescu, M B, Przybycien, J, Qian, R, Raja, S, Rajagopalan, P A, Rapidis, N W, Reay, S, Reucroft, M, Ridel, M, Rijssenbeek, F, Rizatdinova, T, Rockwell, M, Roco, C, Royon, P, Rubinov, R, Ruchti, J, Rutherfoord, B M, Sabirov, G, Sajot, A, Santoro, L, Sawyer, R D, Schamberger, H, Schellman, A, Schwartzman, E, Shabalina, R K, Shivpuri, D, Shpakov, M, Shupe, R A, Sidwell, V, Simak, H, Singh, V, Sirotenko, P, Slattery, R P, Smith, R, Snihur, G R, Snow, J, Snow, S, Snyder, J, Solomon, Y, Song, V, Sorín, M, Sosebee, N, Sotnikova, K, Soustruznik, M, Souza, N R, Stanton, G, Steinbrück, R W, Stephens, D, Stoker, V, Stolin, A, Stone, D A, Stoyanova, M A, Strang, M, Strauss, M, Strovink, L, Stutte, A, Sznajder, M, Talby, W, Taylor, S, Tentindo-Repond, S M, Tripathi, T G, Trippe, A S, Turcot, P M, Tuts, V, Vaniev, R Van, Kooten, N, Varelas, L S, Vertogradov, F, Villeneuve-Seguier, A A, Volkov, A P, Vorobiev, H D, Wahl, H, Wang, Z-M, Wang, J, Warchol, G, Watts, M, Wayne, H, Weerts, A, White, J T, White, D, Whiteson, D A, Wijngaarden, S, Willis, S J, Wimpenny, J, Womersley, D R, Wood, Q, Xu, R, Yamada, P, Yamin, T, Yasuda, Y A, Yatsunenko, K, Yip, S, Youssef, J, Yu, M, Zanabria, X, Zhang, H, Zheng, B, Zhou, Z, Zhou, M, Zielinski, D, Zieminska, A, Zieminski, V, Zutshi, E G, Zverev, and A, Zylberstejn
Subjects: Physics::Instrumentation and Detectors, High Energy Physics::Experiment
Abstract: We report the first search for supersymmetric particles via s-channel production and decay of smuons or muon sneutrinos at hadronic colliders. The data for the two-muon and two-jets final states were collected by the D0 experiment and correspond to an integrated luminosity of 94+/-5 pb(-1). Assuming that R parity is violated via the single coupling lambda'211, the number of candidate events is in agreement with expectation from the standard model. Exclusion contours are given in the (m(0),m(1/2)) and (m(x),m(v)) planes for lambda(')(211)=0.09, 0.08, and 0.07.
Published: 2002

34. Fast scintillation counters for the DO muon system upgrade

Author: G. Smith, T. Diehl, J. Raskowski, Sissel Hansen, Dan Green, K. Johns, V.V. Abramov, M. Los, S. Gurzhiev, A.A. Volkov, A. Kozelov, V. Simak, S. Zimin, A. Galyaev, Dmitri Denisov, A. Stefanik, M. Suk, S. Chekulaev, D. Hedin, A. Kostritskiy, Nikolai Mokhov, O.V. Eroshin, V. V. Babintsev, J. N. Butler, D. Beutel, B. Baldin, N. Bojko, V.A. Medovikov, V. Vrba, A. Mayorov, M. Lokajicek, A.S. Dyshkant, E. Kozlovski, V. Burtovoi, A.P. Vorobiev, P. I. Goncharov, S. Pospisil, S. Denisov, R. Williams, P. Hanlet, Rupert Leitner, A. S. Ito, V. Vaniov, V.A. Bezzubov, D. Stoianova, F. Yoffe, Darien Wood, V. Evdokimov, H. Haggerty, and E. Chi
Subjects: Physics, Nuclear and High Energy Physics, Muon, Physics::Instrumentation and Detectors, Tevatron, Particle accelerator, Scintillator, Particle detector, law.invention, Nuclear physics, Phototube, Nuclear Energy and Engineering, law, Scintillation counter, Physics::Accelerator Physics, High Energy Physics::Experiment, Electrical and Electronic Engineering, Collider
Abstract: The design and main parameters of the completely redesigned DO Forward Angle Muon System (FAMUS: 1.0
Published: 2002

35. Improved W boson mass measurement with the DO detector

Author: M. Merkin, T. C. Bacon, U. Bassler, Raymond Brock, Boaz Klima, D. P. Stoker, E. W. Anderson, R. Beuselinck, Alberto Santoro, Seong Keun Kim, P. Rubinov, Q. Z. Li, D. Cutts, P.F. Ermolov, A. Khanov, N. Parua, V.V. Abramov, M. Jaffré, M. Chung, Arnaud Lucotte, Alexander Kupco, Howard Gordon, M. Sosebee, Andrew Brandt, R. Engelmann, R. L. McCarthy, Sebastian Grinstein, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, M. Buehler, R. Snihur, N. R. Stanton, G. Briskin, A. Alton, Jeffrey F. Krane, S. Willis, S. N. Ahmed, M. Fortner, Wagner Carvalho, Greg Landsberg, M. Paterno, K. Soustruznik, V. S. Burtovoi, F. Borcherding, G. Sajot, R. J. Madaras, S. Krzywdzinski, D. Buchholz, A. Zylberstejn, F. Lehner, H. Greenlee, N. Sotnikova, R. J. Genik, Heriberto Castilla-Valdez, R. Van Kooten, A. Besson, A. Zieminski, M. Roco, N. W. Reay, G. A. Davis, Serban Protopopescu, V. Simak, K. M. Chan, E. J. Ramberg, P. Yamin, G. D. Alexeev, Flera Rizatdinova, Randy Ruchti, R. A. Sidwell, E. A. Kozlovsky, H.E. Miettinen, K. C. Frame, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, Florian Beaudette, P. Padley, Robert Hirosky, Wendy Taylor, A. Patwa, L. Duflot, Roger Moore, Alexey Volkov, M. Bhattacharjee, Pushpalatha C Bhat, A. Bross, G. Steinbrück, L. S. Vertogradov, A. N. Galyaev, A. M. Kalinin, D. Bauer, N.V. Mokhov, M. I. Martin, Elemer Nagy, A. P. Heinson, M. A. Strang, Alexander Leflat, M. Strovink, T. G. Trippe, Sharon Hagopian, K. Papageorgiou, F. Nang, Mitchell Wayne, H. Schellman, J. M. Kohli, Stefan Grünendahl, S. Tentindo-Repond, S. P. Denisov, Elizabeth Gallas, T. McMahon, M. A.C. Cummings, Christos Leonidopoulos, Rajendran Raja, B. Hoeneisen, Lee Sawyer, Gregory R Snow, Brad Abbott, M. B. Przybycien, Mossadek Talby, R. Demina, Pierre Petroff, G. Gutierrez, Gilvan Alves, C. S. Mishra, D. K. Cho, Y. Arnoud, Richard B. Lipton, F. Villeneuve-Seguier, A. Baden, G. C. Blazey, B. Gómez, E. G. Zverev, R. Yamada, B. Knuteson, M. H.G. Souza, R. Illingworth, R. Piegaia, J. Womersley, Haiyan Wang, M. R. Krishnaswamy, Shashikant Dugad, R. E. Hall, Michael A. Strauss, S.A. Kahn, Z. Casilum, S. N. Gurzhiev, H. E. Montgomery, M. Demarteau, Philip Baringer, John Rutherfoord, S. Banerjee, S. Fu, W. E. Cooper, S. Duensing, V. S. Narasimham, L. Groer, D. Karmanov, Vasken Hagopian, H. Weerts, Z. M. Wang, C. Luo, Mary Beth Adams, B. G. Pope, D. Fein, D. Chakraborty, Q. Xu, F. Blekman, Meenakshi Narain, A. A. Mayorov, A. R. Clark, P. A. Rapidis, Don Lincoln, W. Kahl, J. Snow, A. V. Kostritskiy, P. W. Balm, A. Stone, Daniel John Karmgard, Lev Dudko, Sergey Chekulaev, Ia Iashvili, K. Gounder, A. Jonckheere, James C. Green, Yu-tin Huang, Sissel Hansen, A. P. Vorobiev, Stephan Linn, Y. Kulik, L. Lueking, Elizaveta Shabalina, Christophe Royon, C. Hebert, S. Fuess, Bobby Samir Acharya, H. A. Neal, N. Oshima, Alexander Belyaev, E. Popkov, Arnaud Duperrin, Daria Zieminska, Anurag Gupta, L. Coney, J. T. Linnemann, N. Sen, R. D. Schamberger, V. Sorín, Viatcheslav Stolin, K. Yip, J. T. White, Emanuela Barberis, Nikos Varelas, Vladimir Gavrilov, K. W. Merritt, Gordon Watts, Jing Li, V. Sirotenko, B. M. Sabirov, J. F. Bartlett, Y. Fisyak, D. Mihalcea, Suman Bala Beri, Jong-Sung Yu, P. M. Tuts, O. V. Eroshin, Y. Song, L. T. Goss, Charles Leggett, Phillip Gutierrez, Marvin Johnson, V. E. Kuznetsov, R. W. Stephens, L. Stutte, A.S. Dyshkant, M. A. Kubantsev, A. V. Kozelov, Patrick Slattery, Bing Zhou, R. K. Shivpuri, J. T. Eltzroth, V. Manankov, H. D. Wahl, M. Zanabria, Winston Ko, A. Juste, Tulika Bose, D. A. Stoyanova, A. S. Turcot, D. R. Claes, O. Peters, C. Lundstedt, Carlos Avila, F. Fleuret, S. Doulas, B. Connolly, H. Haggerty, Richard Breedon, R. Jesik, Sabine Crépé-Renaudin, K. A. Johns, Shuichi Kunori, Michael Begel, T. Yasuda, Kaushik De, K. Genser, V. Vaniev, S. J. De Jong, B. Kothari, Neeti Parashar, P. Demine, D. A. Wijngaarden, M. Zielinski, H. Zheng, D. Coppage, B. Pawlik, K. Bos, S. M. Tripathi, D. Edmunds, Suyong Choi, D. Casey, J. Kotcher, E. Kajfasz, Andre Sznajder, Yuri Gershtein, Ulrich Heintz, P. Krivkova, N. A. Naumann, H. Jöstlein, Harald Fox, S. Reucroft, L. Babukhadia, Frank Filthaut, M. Diesburg, N. Graf, Y. D. Mutaf, V. Oguri, Vipin Bhatnagar, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Stephen Wimpenny, R. Partridge, X. Zhang, Gustaaf Brooijmans, T. Marshall, V. L. Malyshev, H. S. Mao, J. Warchol, Darien Wood, Nicholas John Hadley, H. L. Melanson, S. Blessing, Scott Snyder, J. H. Christenson, David H. Adams, Alice Bean, Andrew White, F. Canelli, Volker Buescher, A. Goussiou, Andrei Nomerotski, John Hobbs, J. Barreto, T. Fahland, E. Flattum, S. Chopra, Ariel Schwartzman, E. Smith, Melissa Ridel, R. Kehoe, N. I. Bojko, D. O'Neil, Chris Hays, V. A. Bezzubov, J. P. Negret, J. N. Butler, R. P. Smith, P. D. Grannis, Michael Shupe, Michael Hildreth, J. Estrada, Y. A. Yatsunenko, S. Youssef, A. V. Kotwal, Harrison Prosper, V. Zutshi, S. Desai, D. Shpakov, T. Nunnemann, B. Baldin, Y. Ducros, W. M. Lee, A. Kharchilava, Sergey Kuleshov, Victor Daniel Elvira, D. Hedin, V. M. Abazov, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, V. N. Evdokimov, Zeno Dixon Greenwood, P. I. Goncharov, G. Eppley, C. Miao, H. da Motta, J. G.R. Lima, A. S. Ito, B. Olivier, M. Abolins, N. K. Mondal, H. T. Diehl, T. A. Bolton, H. Singh, D. Whiteson, A. Boehnlein, J. Ellison, A. K.A. Maciel, Sa. Jain, A. Abdesselam, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, R. Gilmartin, and M. Gao
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Detector, Resolution (electron density), Tevatron, Electron, 7. Clean energy, 01 natural sciences, law.invention, Nuclear physics, law, Energy flow, Experimental High Energy Physics, 0103 physical sciences, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, High Energy Physics::Experiment, Fermilab, 010306 general physics, Collider, Boson
Abstract: We have measured the W boson mass using the DO detector and a data sample of 82 pb(-1) from the Fermilab Tevatron collider. This measurement uses W-->enu decays, where the electron is close to a boundary of a central electromagnetic calorimeter module. Such "edge" electrons have not been used in any previous DO analysis, and represent a 14% increase in the W boson sample size. For these electrons, new response and resolution parameters are determined, and revised backgrounds and underlying event energy flow measurements are made. When the current measurement is combined with previous DO W boson mass measurements, we obtain M-W=80.483+/-0.084 GeV. The 8% improvement from the previous DO measurement is primarily due to the improved determination of the response parameters for non-edge electrons using the sample of Z bosons with non-edge and edge electrons.
Published: 2002

36. Search for leptoquark pairs decaying into nunu+jets in pp collisions at square root[s] = 1.8 TeV

Author: V M, Abazov, B, Abbott, A, Abdesselam, M, Abolins, V, Abramov, B S, Acharya, D L, Adams, M, Adams, S N, Ahmed, G D, Alexeev, A, Alton, G A, Alves, N, Amos, E W, Anderson, Y, Arnoud, C, Avila, M M, Baarmand, V V, Babintsev, L, Babukhadia, T C, Bacon, A, Baden, B, Baldin, P W, Balm, S, Banerjee, E, Barberis, P, Baringer, J, Barreto, J F, Bartlett, U, Bassler, D, Bauer, A, Bean, F, Beaudette, M, Begel, A, Belyaev, S B, Beri, G, Bernardi, I, Bertram, A, Besson, R, Beuselinck, V A, Bezzubov, P C, Bhat, V, Bhatnagar, M, Bhattacharjee, G, Blazey, F, Blekman, S, Blessing, A, Boehnlein, N I, Bojko, F, Borcherding, K, Bos, T, Bose, A, Brandt, R, Breedon, G, Briskin, R, Brock, G, Brooijmans, A, Bross, D, Buchholz, M, Buehler, V, Buescher, V S, Burtovoi, J M, Butler, F, Canelli, W, Carvalho, D, Casey, Z, Casilum, H, Castilla-Valdez, D, Chakraborty, K M, Chan, S V, Chekulaev, D K, Cho, S, Choi, S, Chopra, J H, Christenson, M, Chung, D, Claes, A R, Clark, L, Coney, B, Connolly, W E, Cooper, D, Coppage, S, Crépé-Renaudin, M A C, Cummings, D, Cutts, G A, Davis, K, Davis, K, De, S J, De Jong, K, Del Signore, M, Demarteau, R, Demina, P, Demine, D, Denisov, S P, Denisov, S, Desai, H T, Diehl, M, Diesburg, S, Doulas, Y, Ducros, L V, Dudko, S, Duensing, L, Duflot, S R, Dugad, A, Duperrin, A, Dyshkant, D, Edmunds, J, Ellison, J T, Eltzroth, V D, Elvira, R, Engelmann, S, Eno, G, Eppley, P, Ermolov, O V, Eroshin, J, Estrada, H, Evans, V N, Evdokimov, T, Fahland, S, Feher, D, Fein, T, Ferbel, F, Filthaut, H E, Fisk, Y, Fisyak, E, Flattum, F, Fleuret, M, Fortner, H, Fox, K C, Frame, S, Fu, S, Fuess, E, Gallas, A N, Galyaev, M, Gao, V, Gavrilov, R J, Genik, K, Genser, C E, Gerber, Y, Gershtein, R, Gilmartin, G, Ginther, B, Gómez, G, Gómez, P I, Goncharov, J L, González Solís, H, Gordon, L T, Goss, K, Gounder, A, Goussiou, N, Graf, G, Graham, P D, Grannis, J A, Green, H, Greenlee, Z D, Greenwood, S, Grinstein, L, Groer, S, Grünendahl, A, Gupta, S N, Gurzhiev, G, Gutierrez, P, Gutierrez, N J, Hadley, H, Haggerty, S, Hagopian, V, Hagopian, R E, Hall, P, Hanlet, S, Hansen, J M, Hauptman, C, Hays, C, Hebert, D, Hedin, J M, Heinmiller, A P, Heinson, U, Heintz, M D, Hildreth, R, Hirosky, J D, Hobbs, B, Hoeneisen, Y, Huang, I, Iashvili, R, Illingworth, A S, Ito, M, Jaffré, S, Jain, R, Jesik, K, Johns, M, Johnson, A, Jonckheere, H, Jöstlein, A, Juste, W, Kahl, S, Kahn, E, Kajfasz, A M, Kalinin, D, Karmanov, D, Karmgard, R, Kehoe, A, Khanov, A, Kharchilava, S K, Kim, B, Klima, B, Knuteson, W, Ko, J M, Kohli, A V, Kostritskiy, J, Kotcher, B, Kothari, A V, Kotwal, A V, Kozelov, E A, Kozlovsky, J, Krane, M R, Krishnaswamy, P, Krivkova, S, Krzywdzinski, M, Kubantsev, S, Kuleshov, Y, Kulik, S, Kunori, A, Kupco, V E, Kuznetsov, G, Landsberg, W M, Lee, A, Leflat, C, Leggett, F, Lehner, C, Leonidopoulos, J, Li, Q Z, Li, X, Li, J G R, Lima, D, Lincoln, S L, Linn, J, Linnemann, R, Lipton, A, Lucotte, L, Lueking, C, Lundstedt, C, Luo, A K A, Maciel, R J, Madaras, V L, Malyshev, V, Manankov, H S, Mao, T, Marshall, M I, Martin, K M, Mauritz, A A, Mayorov, R, McCarthy, T, McMahon, H L, Melanson, M, Merkin, K W, Merritt, C, Miao, H, Miettinen, D, Mihalcea, C S, Mishra, N, Mokhov, N K, Mondal, H E, Montgomery, R W, Moore, M, Mostafa, H, Da Motta, E, Nagy, F, Nang, M, Narain, V S, Narasimham, N A, Naumann, H A, Neal, J P, Negret, S, Negroni, T, Nunnemann, D, O'Neil, V, Oguri, B, Olivier, N, Oshima, P, Padley, L J, Pan, K, Papageorgiou, A, Para, N, Parashar, R, Partridge, N, Parua, M, Paterno, A, Patwa, B, Pawlik, J, Perkins, O, Peters, P, Pétroff, R, Piegaia, B G, Pope, E, Popkov, H B, Prosper, S, Protopopescu, M B, Przybycien, J, Qian, R, Raja, S, Rajagopalan, E, Ramberg, P A, Rapidis, N W, Reay, S, Reucroft, M, Ridel, M, Rijssenbeek, F, Rizatdinova, T, Rockwell, M, Roco, C, Royon, P, Rubinov, R, Ruchti, J, Rutherfoord, B M, Sabirov, G, Sajot, A, Santoro, L, Sawyer, R D, Schamberger, H, Schellman, A, Schwartzman, N, Sen, E, Shabalina, R K, Shivpuri, D, Shpakov, M, Shupe, R A, Sidwell, V, Simak, H, Singh, J B, Singh, V, Sirotenko, P, Slattery, E, Smith, R P, Smith, R, Snihur, G R, Snow, J, Snow, S, Snyder, J, Solomon, Y, Song, V, Sorín, M, Sosebee, N, Sotnikova, K, Soustruznik, M, Souza, N R, Stanton, G, Steinbrück, R W, Stephens, F, Stichelbaut, D, Stoker, V, Stolin, A, Stone, D A, Stoyanova, M A, Strang, M, Strauss, M, Strovink, L, Stutte, A, Sznajder, M, Talby, W, Taylor, S, Tentindo-Repond, S M, Tripathi, T G, Trippe, A S, Turcot, P M, Tuts, V, Vaniev, R, Van Kooten, N, Varelas, L S, Vertogradov, F, Villeneuve-Seguier, A A, Volkov, A P, Vorobiev, H D, Wahl, H, Wang, Z-M, Wang, J, Warchol, G, Watts, M, Wayne, H, Weerts, A, White, J T, White, D, Whiteson, D A, Wijngaarden, S, Willis, S J, Wimpenny, J, Womersley, D R, Wood, Q, Xu, R, Yamada, P, Yamin, T, Yasuda, Y A, Yatsunenko, K, Yip, S, Youssef, J, Yu, Z, Yu, M, Zanabria, X, Zhang, H, Zheng, B, Zhou, Z, Zhou, M, Zielinski, D, Zieminska, A, Zieminski, V, Zutshi, E G, Zverev, and A, Zylberstejn
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: We present the results of a search for leptoquark (LQ) pairs in (85.2+/-3.7) pb(-1) of pp* collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on sigma(pp*-->LQLQ-->nunu+jets) as a function of the mass of the leptoquark (m(LQ)). Assuming the decay LQ-->nuq, we exclude scalar leptoquarks for m(LQ) < 98 GeV/c(2), and vector leptoquarks for m(LQ) < 200 GeV/c(2) and coupling which produces the minimum cross section, at a 95% confidence level.
Published: 2002

37. Search for Leptoquark Pairs Decaying intoνν+jetsinpp¯Collisions ats=1.8TeV

Author: H. da Motta, J. G.R. Lima, U. Bassler, B. G. Pope, A. S. Ito, N. I. Bojko, D. O'Neil, L. Lueking, F. Stichelbaut, M. Buehler, N. R. Stanton, R. K. Shivpuri, Michael A. Strauss, M. Chung, E. Popkov, K. Del Signore, R. Snihur, V. Simak, K. Davis, J. N. Butler, M. A. Strang, Elizaveta Shabalina, D. Mihalcea, P. D. Grannis, C. S. Mishra, P. M. Tuts, Alberto Santoro, V. E. Kuznetsov, R. W. Stephens, V. M. Abazov, P. Padley, Alexey Volkov, J. T. White, H. Haggerty, A. Leflat, D. R. Claes, L. S. Vertogradov, A. N. Galyaev, A. K.A. Maciel, A. Jonckheere, A. P. Vorobiev, Suman Bala Beri, Stephan Linn, R. L. McCarthy, S. P. Denisov, Mitchell Wayne, Vasken Hagopian, Robert Hirosky, A. Juste, A. M. Kalinin, H. Schellman, J. M. Kohli, Stefan Grünendahl, D. K. Cho, Y. Arnoud, R. Illingworth, S. Tentindo-Repond, P. Rubinov, M. R. Krishnaswamy, Richard Breedon, Meenakshi Narain, N. Oshima, Philip Baringer, D. Bauer, R. Demina, G. Gutierrez, Gilvan Alves, S. Banerjee, W. E. Cooper, S. Duensing, H. Weerts, Z. M. Wang, H. E. Fisk, A. R. Clark, S. Doulas, Mossadek Talby, B. Gómez, A. Para, Daria Zieminska, Lev Dudko, F. Villeneuve-Seguier, L. J. Pan, T. Rockwell, Iain Alexander Bertram, Sergey Chekulaev, M. Roco, V. S. Narasimham, L. Groer, M. A. Kubantsev, D. A. Wijngaarden, Z. Zhou, J. Solomon, Arnaud Duperrin, Pushpalatha C Bhat, Michael Rijssenbeek, Christos Leonidopoulos, Kaushik De, M. Sosebee, F. Blekman, K. Bos, J. Snow, Suyong Choi, A. Alton, K. W. Merritt, S. Youssef, Heriberto Castilla-Valdez, J. Womersley, J. F. Bartlett, V. Manankov, B. Hoeneisen, E. W. Anderson, Lee Sawyer, D. Edmunds, Vladimir Gavrilov, Anurag Gupta, Gordon Watts, Elizabeth Gallas, T. McMahon, H. Jostlein, Andre Sznajder, V. Sirotenko, G. Steinbrück, Yuri Gershtein, B. Knuteson, O. V. Eroshin, Y. Song, D. Karmanov, Q. Xu, Haiyan Wang, Phillip Gutierrez, Andrew Brandt, R. Engelmann, S. M. Tripathi, S. Negroni, E. A. Kozlovsky, H.E. Miettinen, R. Gilmartin, M. Gao, P. Demine, Q. Z. Li, V. N. Evdokimov, J. T. Linnemann, S.A. Kahn, Raymond Brock, Boaz Klima, M. Demarteau, H. Zheng, E. G. Zverev, Ia Iashvili, H. L. Melanson, R. Beuselinck, A. Khanov, Sebastian Grinstein, N. Parua, V.V. Abramov, P. Hanlet, A. V. Kostritskiy, S. Willis, K. Gounder, M. Jaffré, Sissel Hansen, L. Coney, N. Sen, H. A. Neal, J. M. Hauptman, Cecilia Elena Gerber, K. M. Chan, V. V. Babintsev, G. Ginther, E. J. Ramberg, Jianming Qian, V. Sorín, K. Yip, D. Coppage, Arnaud Lucotte, L. Stutte, Jinhong Yu, D. Shpakov, S. R. Dugad, Alexander Kupco, A.S. Dyshkant, Stephen Wimpenny, P. Yamin, Randy Ruchti, G. D. Alexeev, F. Fleuret, D. Hedin, Howard Gordon, Flera Rizatdinova, K. C. Frame, Elemer Nagy, G. Briskin, Chris Hays, V. A. Bezzubov, J. P. Negret, T. Marshall, R. P. Smith, Michael Shupe, Michael Hildreth, Darien Wood, Y. Kulik, S. K. Kim, J. Estrada, J. T. Eltzroth, T. G. Trippe, Nicholas John Hadley, S. Blessing, A. V. Kotwal, Harrison Prosper, J. H. Christenson, Scott Snyder, S. Desai, Sharon Hagopian, K. Papageorgiou, R. Jesik, T. Nunnemann, B. Baldin, David H. Adams, Gregorio Bernardi, D. Denisov, Alice Bean, Y. Ducros, J. B. Singh, R. Piegaia, Yu-tin Huang, S. J. De Jong, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Nikos Varelas, F. Canelli, Bing Zhou, Thomas Ferbel, W. M. Lee, A. Kharchilava, B. Kothari, Volker Buescher, N. A. Naumann, Sergey Kuleshov, E. Kajfasz, S. Reucroft, B. Pawlik, Victor Daniel Elvira, L. Duflot, D. Casey, D. A. Stoyanova, J. Kotcher, A. S. Turcot, Neeti Parashar, Harald Fox, V. Oguri, N. Graf, Gervasio Gomez, Vipin Bhatnagar, Gustaaf Brooijmans, W. Kahl, M. Zielinski, N.V. Mokhov, R. Partridge, X. Zhang, Michael Begel, M. I. Martin, J. Warchol, S. N. Gurzhiev, V. L. Malyshev, N. Sotnikova, H. S. Mao, A. P. Heinson, R. J. Genik, S. Fu, S. Jain, Christophe Royon, Y. A. Yatsunenko, Viatcheslav Stolin, C. Lundstedt, H. D. Wahl, Carlos Avila, Sabine Crépé-Renaudin, M. Zanabria, Winston Ko, Shuichi Kunori, K. A. Johns, V. Vaniev, D. Buchholz, R. D. Schamberger, Alexander Belyaev, M. B. Przybycien, R. E. Hall, K. Genser, J. L. González Solís, Rajendran Raja, N. Amos, Patrick Slattery, Florian Beaudette, Z. Casilum, T. Yasuda, Wendy Taylor, Brad Abbott, Pierre Petroff, A. Patwa, Roger Moore, R. Van Kooten, S. Feher, A. Besson, S. N. Ahmed, M. Fortner, N. W. Reay, G. Graham, A. Zieminski, J. Perkins, V. Zutshi, P. A. Rapidis, L. Babukhadia, R. A. Sidwell, Ulrich Heintz, B. S. Acharya, Gregory R Snow, Emanuela Barberis, D. Fein, Frank Filthaut, D. Chakraborty, M. Diesburg, Y. Fisyak, Marvin Johnson, L. T. Goss, A. Baden, G. C. Blazey, A. V. Kozelov, R. Yamada, Charles Leggett, M. Abolins, Don Lincoln, P. W. Balm, T. C. Bacon, John Rutherfoord, A. Stone, D. P. Stoker, C. Luo, Daniel John Karmgard, M. H.G. Souza, Tulika Bose, C. Hebert, A. A. Mayorov, James C. Green, N. K. Mondal, M. Strovink, F. Borcherding, H. E. Montgomery, H. T. Diehl, H. Singh, G. Sajot, B. M. Sabirov, J. Krane, D. Whiteson, A. Boehnlein, M. Bhattacharjee, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, J. Ellison, Jing Li, Z. Yu, S. Fuess, F. Nang, Richard B. Lipton, S. Krzywdzinski, A. Abdesselam, M. A.C. Cummings, D. Cutts, Wagner Carvalho, Greg Landsberg, K. M. Mauritz, A. Zylberstejn, B. Connolly, F. Lehner, P.F. Ermolov, H. Greenlee, M. Paterno, K. Soustruznik, P. I. Goncharov, A. Bross, O. Peters, P. Krivkova, T. Fahland, G. A. Davis, Serban Protopopescu, C. Miao, V. S. Burtovoi, B. Olivier, E. Flattum, S. Chopra, R. J. Madaras, Ariel Schwartzman, E. Smith, Melissa Ridel, R. Kehoe, Andrew White, Zeno Dixon Greenwood, A. Goussiou, M. Merkin, Xiuping Li, John Hobbs, J. Barreto, M. R. Adams, and G. Eppley
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Scalar (mathematics), Tevatron, General Physics and Astronomy, Sigma, D0 experiment, 7. Clean energy, 01 natural sciences, law.invention, Nuclear physics, law, 0103 physical sciences, High Energy Physics::Experiment, Leptoquark, Fermilab, 010306 general physics, Collider
Abstract: We present the results of a search for leptoquark (LQ) pairs in (85.2+/-3.7) pb(-1) of pp* collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on sigma(pp*-->LQLQ-->nunu+jets) as a function of the mass of the leptoquark (m(LQ)). Assuming the decay LQ-->nuq, we exclude scalar leptoquarks for m(LQ) < 98 GeV/c(2), and vector leptoquarks for m(LQ) < 200 GeV/c(2) and coupling which produces the minimum cross section, at a 95% confidence level.
Published: 2002

38. Search for the Scalar Top Quark inpp¯Collisions ats=1.8TeV

Author: B. G. Pope, Zeno Dixon Greenwood, H. Zheng, P. Hanlet, C. S. Mishra, D. Cutts, E. G. Zverev, J. M. Hauptman, Wagner Carvalho, A. V. Kostritskiy, Cecilia Elena Gerber, D. Coppage, Greg Landsberg, A. Baden, G. C. Blazey, R. Yamada, K. Gounder, John Rutherfoord, C. Luo, Mary Beth Adams, Wendy Taylor, Elizaveta Shabalina, James C. Green, A. Patwa, Roger Moore, Sissel Hansen, M. Paterno, K. Soustruznik, V. V. Babintsev, G. Ginther, A. Besson, M. Bhattacharjee, Andrew White, Vasken Hagopian, T. G. Trippe, L. Coney, H. Weerts, Z. M. Wang, Emanuela Barberis, E. J. Ramberg, F. Borcherding, G. Sajot, S. Youssef, N. Sen, M. Abolins, Jianming Qian, Meenakshi Narain, J. T. White, Sharon Hagopian, Lev Dudko, F. Villeneuve-Seguier, D. A. Stoyanova, D. Edmunds, A. S. Turcot, Miguel Mostafa, M. M. Baarmand, P. Yamin, A. Goussiou, K. Papageorgiou, Sarah Catherine Eno, G. D. Alexeev, Flera Rizatdinova, F. Nang, Andre Sznajder, Richard B. Lipton, S. Krzywdzinski, Yuri Gershtein, Gervasio Gomez, G. Eppley, G. Briskin, M. D. Peters, S. Reucroft, L. T. Goss, Charles Leggett, H. da Motta, J. G.R. Lima, A. Khanov, N. Parua, N. K. Mondal, H. T. Diehl, L. S. Vertogradov, P. Krivkova, V.V. Abramov, A. N. Galyaev, H. Singh, Michael Begel, Jeffrey F. Krane, A. Zylberstejn, R. Piegaia, T. Heuring, L. Babukhadia, A. S. Ito, Matthew Jones, D. Whiteson, A. Boehnlein, P. A. Rapidis, V. Simak, R. Snihur, M. Sosebee, F. Lehner, M. Jaffré, H. Greenlee, B. Connolly, A. Jonckheere, K. Genser, Andrei Nomerotski, W. Kahl, Richard Breedon, D. K. Cho, Y. Arnoud, John Hobbs, A. Bross, P. Padley, J. Ellison, A. P. Vorobiev, Stephan Linn, Alexey Volkov, R. Illingworth, O. Peters, James H Cochran, Z. Ke, J. Womersley, N. Oshima, A. K.A. Maciel, Sa. Jain, Daria Zieminska, G. A. Davis, F. Stichelbaut, Vipin Bhatnagar, Serban Protopopescu, D. Shpakov, Arnaud Lucotte, W. E. Cooper, S. Duensing, Mitchell Wayne, U. Bassler, R. D. Schamberger, H. Schellman, J. M. Kohli, R. Partridge, X. Zhang, A. Abdesselam, H. Haggerty, Alexander Kupco, N. Sotnikova, R. J. Genik, J. Barreto, M. A. Kubantsev, S. Tentindo-Repond, Pushpalatha C Bhat, D. Fein, D. A. Wijngaarden, Stefan Grünendahl, T. Nunnemann, B. Baldin, Elemer Nagy, D. Chakraborty, Mossadek Talby, Christophe Royon, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Don Lincoln, D. Karmanov, B. Knuteson, Haiyan Wang, K. Bos, Arnaud Duperrin, Randy Ruchti, P. W. Balm, A. Stone, Daniel John Karmgard, C. Hebert, V. L. Malyshev, H. S. Mao, B. Gómez, Shashikant Dugad, S.A. Kahn, Xingguo Li, Michael A. Strauss, T. Fahland, H. D. Wahl, M. Zanabria, Winston Ko, K. M. Chan, M. Demarteau, Y. Ducros, W. M. Lee, A. Kharchilava, Andrew Brandt, Philip Baringer, R. Engelmann, S. Banerjee, S. Negroni, Shuichi Kunori, Alberto Santoro, Sergey Kuleshov, R. L. McCarthy, P. I. Goncharov, Ulrich Heintz, H. Jöstlein, Y. Kulik, E. A. Kozlovsky, H.E. Miettinen, Frank Filthaut, V. Vaniev, Jing Li, Seong Keun Kim, M. Roco, Victor Daniel Elvira, E. W. Anderson, E. Flattum, M. Buehler, M. Merkin, B. May, M. Diesburg, Suman Bala Beri, S. Chopra, T. Yasuda, P. Rubinov, C. Miao, J. A. Wightman, B. Olivier, N. R. Stanton, N. I. Bojko, H. L. Melanson, L. Duflot, A. Juste, Q. Z. Li, D. O'Neil, H. E. Fisk, Ariel Schwartzman, E. Smith, Melissa Ridel, L. J. Pan, N. Amos, J. H. Christenson, Raymond Brock, Boaz Klima, David H. Adams, Anurag Gupta, N.V. Mokhov, M. I. Martin, R. Kehoe, Sebastian Grinstein, P. Demine, Alice Bean, Bobby Samir Acharya, H. A. Neal, R. Beuselinck, Jasvinder A. Singh, Z. Zhou, J. Solomon, K. Davis, J. N. Butler, P. D. Grannis, A. P. Heinson, B. M. Sabirov, F. Canelli, Volker Buescher, Heriberto Castilla-Valdez, S. Willis, S. N. Ahmed, M. Fortner, Alexander Belyaev, N. W. Reay, B. Pawlik, J. Perkins, J. T. Linnemann, V. Sorín, K. Yip, R. Gilmartin, M. Gao, D. Casey, J. Kotcher, Harald Fox, N. Graf, Patrick Slattery, R. E. Hall, J. L. González Solís, L. Stutte, Jinhong Yu, A.S. Dyshkant, Z. Casilum, M. Chung, D. Hedin, V. M. Abazov, S. N. Gurzhiev, T. Rockwell, Iain Alexander Bertram, Viatcheslav Stolin, Michael Rijssenbeek, C. Lundstedt, Sabine Crépé-Renaudin, V. N. Evdokimov, Suyong Choi, Chris Hays, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, Michael Hildreth, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, J. Estrada, Y. A. Yatsunenko, A. V. Kotwal, Harrison Prosper, S. Desai, Neeti Parashar, M. Zielinski, Robert Hirosky, A. M. Kalinin, D. Bauer, R. Demina, G. Gutierrez, Gilvan Alves, V. S. Narasimham, L. Groer, J. Snow, L. Lueking, E. Popkov, K. Del Signore, D. Mihalcea, P. M. Tuts, V. E. Kuznetsov, R. W. Stephens, M. H.G. Souza, H. E. Montgomery, Z. Yu, K. M. Mauritz, P.F. Ermolov, V. S. Burtovoi, R. J. Madaras, V. Oguri, D. Buchholz, Florian Beaudette, Gregory R Snow, Gustaaf Brooijmans, A. A. Mayorov, Alexander Leflat, J. Warchol, M. Strovink, Elizabeth Gallas, T. McMahon, R. Jesik, K. A. Johns, S. J. De Jong, B. Kothari, E. Kajfasz, T. C. Bacon, D. P. Stoker, Y. Fisyak, Marvin Johnson, S. P. Denisov, M. R. Krishnaswamy, A. R. Clark, A. Para, Sergey Chekulaev, A. V. Kozelov, K. W. Merritt, J. F. Bartlett, V. Manankov, F. Fleuret, Howard Gordon, K. C. Frame, Stephen Wimpenny, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, Yu-tin Huang, Nikos Varelas, Bing Zhou, R. K. Shivpuri, D. R. Claes, S. Doulas, Kaushik De, S. M. Tripathi, G. Steinbrück, S. Fuess, Rajendran Raja, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, Brad Abbott, Pierre Petroff, R. Van Kooten, S. Feher, G. Graham, A. Zieminski, V. Zutshi, R. A. Sidwell, S. Fu, and Q. Xu
Subjects: Physics, Particle physics, Top quark, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Scalar (mathematics), General Physics and Astronomy, Supersymmetry, 01 natural sciences, Lightest Supersymmetric Particle, Nuclear physics, Chargino, Pair production, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, 010306 general physics, Minimal Supersymmetric Standard Model
Abstract: We have performed a search for scalar top quark (stop) pair production in the inclusive electron-muon-missing transverse energy final state, using a sample of p (p) over bar events corresponding to 108.3 pb (-1) of data collected with the D0 detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the sneutrino is the lightest supersymmetric particle. For the dominant decays of the lightest stop, (t) over tilde-->b (χ) over tilde (+)(1) and (t) over tilde-->bl (ν) over tilde , no evidence for signal is found. We derive cross-section limits as a function of stop ((t) over tilde), chargino ((χ) over tilde (+)(1)), and sneutrino ((ν) over tilde ) masses.
Published: 2002

39. Subjet multiplicity of gluon and quark jets reconstructed with thek⊥algorithm inpp¯collisions

Author: F. Rizatdinova, M. Chung, J. Yu, A. Alton, V.V. Abramov, A. Bean, E. Popkov, G. Ginther, Anurag Gupta, D. Karmanov, B. M. Sabirov, F. Fleuret, X. Li, N. Sen, K. W. Merritt, R. Gilmartin, Stephen Wimpenny, P. Yamin, M. Jaffré, C. S. Mishra, G. D. Alexeev, R. Yamada, M. Abolins, O. Peters, S. Chopra, V. Bhatnagar, A. Abdesselam, M. Bhattacharjee, Mariusz Przybycien, P. Padley, B. Kothari, V. Sirotenko, R. Demina, Arnaud Lucotte, L. Coney, Ron Lipton, M. Gao, S. Negroni, E. G. Zverev, K. Del Signore, S. Tentindo-Repond, M. Demarteau, J. Womersley, M. Kubantsev, P. Hanlet, N. K. Mondal, H. T. Diehl, H. Singh, E. Ramberg, A. V. Kostritskiy, G. Eppley, Ariel Schwartzman, B. Olivier, H. L. Melanson, M. Merkin, R. Snihur, M. Sosebee, S. Desai, J. Linnemann, D. Whiteson, Nicholas John Hadley, P. Demine, R. Partridge, N. I. Bojko, J. D. Hobbs, E. W. Anderson, M. Roco, H. D. Wahl, T. Ferbel, S. Blessing, M. Talby, A. Goussiou, D. Mihalcea, L. Sawyer, L. Groer, H. Zheng, L. Duflot, J. Ellison, A. K.A. Maciel, H. Miettinen, K. Gounder, M. Zanabria, N. Amos, V. L. Malyshev, Sa. Jain, P. M. Tuts, B. Hoeneisen, Scott Snyder, J. T. White, R. Hirosky, E. Nagy, Winston Ko, V. Hagopian, Richard Breedon, D. Lincoln, Randy Ruchti, Alberto Santoro, H. Greenlee, M. D. Hildreth, Elizaveta Shabalina, V. E. Kuznetsov, L. S. Vertogradov, A. N. Galyaev, J. Krane, R. W. Stephens, S. Feher, F. Borcherding, D. Denisov, P. D. Grannis, A. P. Vorobiev, R. Raja, P. W. Balm, A. Duperrin, M. A. Shupe, G. Sajot, A. Leflat, D. R. Claes, C. Royon, G. Gutierrez, B. Baldin, T. G. Trippe, R. K. Shivpuri, Y. Gershtein, K. M. Mauritz, D. Bauer, N. Oshima, D. A. Wijngaarden, Q. Xu, Kaushik De, Y. Arnoud, S. N. Ahmed, A. Boehnlein, N. R. Stanton, J. Solomon, A. Zieminski, Andrew Brandt, R. W. Moore, M. Fortner, R. Jesik, J. Rutherfoord, L. Lueking, T. Rockwell, A. M. Kalinin, B. Connolly, J. A. Green, Gilvan Alves, F. Nang, P. Slattery, S. P. Denisov, F. Blekman, H. Castilla-Valdez, F. Beaudette, N. A. Naumann, Andrew White, Miguel Mostafa, Qiming Li, V. Stolin, K. Papageorgiou, W. E. Cooper, A. Jonckheere, M. Zielinski, D. R. Wood, H. E. Montgomery, S. N. Gurzhiev, J. Perkins, U. Bassler, Gregory R Snow, K. Bos, E. A. Kozlovsky, C. Miao, M. R. Krishnaswamy, S. M. Tripathi, M. Strovink, Sarah Catherine Eno, H. Fox, P. Gutierrez, D. Chakraborty, H. E. Fisk, A. Juste, B. Pawlik, H. da Motta, J. G.R. Lima, T. Heuring, V. S. Narasimham, L. Babukhadia, S. Duensing, M. Rijssenbeek, T. Nunnemann, B. May, Bobby Samir Acharya, H. A. Neal, E. Flattum, S. Reucroft, M. Strauss, R. Piegaia, J. H. Christenson, V. Manankov, H. Schellman, Z. M. Wang, S. Fuess, N. Sotnikova, V. A. Bezzubov, J. Kotcher, J. P. Negret, Andre Sznajder, P. I. Goncharov, A. R. Clark, S. Krzywdzinski, A. Besson, A. Khanov, H. Wang, R. Illingworth, S. Hansen, H. S. Mao, D. Buchholz, A. Para, H. Jöstlein, R. P. Smith, P. Ermolov, J. B. Singh, S. Doulas, V. Sorín, M. A.C. Cummings, Sergey Chekulaev, G. Brooijmans, K. Yip, D. Coppage, L. J. Pan, K. Davis, L. Stutte, V. Oguri, K. C. Frame, A. V. Kotwal, J. M. Butler, Cecilia Elena Gerber, A. Kharchilava, Y. Kulik, Z. D. Greenwood, Z. Yu, D. Stoker, R. Beuselinck, Y. Ducros, Emanuela Barberis, R. A. Sidwell, C. Hays, T. Bose, N. W. Reay, Philip Baringer, F. Lehner, N. Graf, R. E. Hall, B. Abbott, B. Knuteson, C. Luo, G. Bernardi, V. V. Babintsev, M. Narain, M. Ridel, J. Estrada, S. Banerjee, Y. A. Yatsunenko, T. C. Bacon, S. Kuleshov, J. Barreto, E. Smith, Wagner Carvalho, Harrison Prosper, Jianming Qian, M. Begel, Sebastian Grinstein, H. Haggerty, G. Graham, T. Fahland, O. V. Eroshin, Y. Song, S.A. Kahn, A.S. Dyshkant, V. S. Burtovoi, S. Youssef, D. Casey, N. Mokhov, U. Heintz, S. Hagopian, L. T. Goss, R. McCarthy, Yu-tin Huang, I. Bertram, D. Edmunds, D. O’Neil, Charles Leggett, E. Kajfasz, R. Engelmann, A. Patwa, Z. Zhou, V. Zutshi, F. Stichelbaut, C. Lundstedt, D. Zieminska, M. Diesburg, G. Watts, Carlos Avila, H. Weerts, W. M. Lee, R. D. Schamberger, Alexey Volkov, J. F. Bartlett, Nikos Varelas, D. Cutts, Sabine Crépé-Renaudin, V. Gavrilov, A. Kupco, A. Baden, James H Cochran, J. Snow, Mitchell Wayne, M. A. Strang, Bing Zhou, S. Grünendahl, T. Marshall, R. Van Kooten, Suyong Choi, A. Bross, Boaz Klima, Z. Casilum, G. C. Blazey, P. A. Rapidis, David H. Adams, K. Johns, V. D. Elvira, R. J. Madaras, J. M. Kohli, M. M. Baarmand, D. Hedin, M. Paterno, P. Rubinov, J. A. Wightman, Y. Fisyak, F. Villeneuve-Seguier, V. M. Abazov, N. Parashar, B. Gómez, P. Krivkova, Volker Buescher, W. Taylor, H. Evans, A. A. Mayorov, Shashikant Dugad, Howard Gordon, S. Willis, D. Shpakov, F. Canelli, G. Briskin, Marvin Johnson, P. C. Bhat, D. Fein, A. Stone, M. H.G. Souza, Mary Beth Adams, J. M. Hauptman, R. Kehoe, E. Gallas, S. B. Beri, S. L. Linn, G. A. Davis, W. Kahl, P. Pétroff, G. Landsberg, A. V. Kozelov, T. McMahon, J. M. Heinmiller, Srinivasan Rajagopalan, K. M. Chan, S. J. De Jong, V. N. Evdokimov, J. Warchol, V. Simak, S. K. Kim, Shuichi Kunori, Jing Li, X. Zhang, A. S. Ito, D. K. Cho, V. Vaniev, T. Yasuda, K. Soustruznik, S. Fu, Serban Protopopescu, R. Brock, N. Parua, L. V. Dudko, M. I. Martin, A. P. Heinson, J. L. González Solís, Frank Filthaut, D. A. Stoyanova, A. S. Turcot, D. Karmgard, Gervasio Gomez, C. Hebert, B. G. Pope, A. Zylberstejn, G. Steinbrück, R. J. Genik, Alexander Belyaev, K. Genser, and M. Buehler
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Multiplicity (mathematics), Radius, Jet (particle physics), Deep inelastic scattering, 01 natural sciences, Gluon, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Resummation, Nuclear Experiment, 010306 general physics, Algorithm, Event generator
Abstract: The D empty set Collaboration has studied for the first time the properties of hadron-collider jets reconstructed with a successive-combination algorithm based on relative transverse momenta (k(perpendicular to)) of energy clusters. Using the standard value D = 1.0 of the jet-separation parameter in the k(perpendicular to) algorithm, we find that the p(T) of such jets is higher than the E-T of matched jets reconstructed with cones of radius R = 0.7, by about 5 (8) GeV at p(T) approximate to90 (240) GeV. To examine internal jet structure, the k(perpendicular to) algorithm is applied within D = 0.5 jets to resolve any subjets. The multiplicity of subjets in jet samples at roots = 1800 GeV and 630 GeV is extracted separately for gluons (M (g) ) and quarks (M q), and the ratio of average subjet multiplicities in gluon and quark jets is measured as ([M g] - 1)/([M q] - 1) = 1.84+/-0.15 (stat)(-0.18)(+0.22) (syst). This ratio is in agreement with the expectations from the HERWIG Monte Carlo event generator and a resummation calculation, and with observations in e(+) e(-) annihilations, and is close to the naive prediction for the ratio of color charges of C-A/C-F = 9/4 = 2.25.
Published: 2002

40. Ratio of isolated photon cross sections in pp macro collisions at square root of s = 630 and 1800 GeV

Author: V M, Abazov, B, Abbott, A, Abdesselam, M, Abolins, V, Abramov, B S, Acharya, D L, Adams, M, Adams, S N, Ahmed, G D, Alexeev, A, Alton, G A, Alves, N, Amos, E W, Anderson, Y, Arnoud, C, Avila, M M, Baarmand, V V, Babintsev, L, Babukhadia, T C, Bacon, A, Baden, B, Baldin, P W, Balm, S, Banerjee, E, Barberis, P, Baringer, J, Barreto, J F, Bartlett, U, Bassler, D, Bauer, A, Bean, F, Beaudette, M, Begel, A, Belyaev, S B, Beri, G, Bernardi, I, Bertram, A, Besson, R, Beuselinck, V A, Bezzubov, P C, Bhat, V, Bhatnagar, M, Bhattacharjee, G, Blazey, F, Blekman, S, Blessing, A, Boehnlein, N I, Bojko, F, Borcherding, K, Bos, T, Bose, A, Brandt, R, Breedon, G, Briskin, R, Brock, G, Brooijmans, A, Bross, D, Buchholz, M, Buehler, V, Buescher, V S, Burtovoi, J M, Butler, F, Canelli, W, Carvalho, D, Casey, Z, Casilum, H, Castilla-Valdez, D, Chakraborty, K M, Chan, S V, Chekulaev, D K, Cho, S, Choi, S, Chopra, J H, Christenson, M, Chung, D, Claes, A R, Clark, J, Cochran, L, Coney, B, Connolly, W E, Cooper, D, Coppage, S, Crépé-Renaudin, M A, Cummings, D, Cutts, G A, Davis, K, Davis, K, De, S J, de Jong, K, Del Signore, M, Demarteau, R, Demina, P, Demine, D, Denisov, S P, Denisov, S, Desai, H T, Diehl, M, Diesburg, S, Doulas, Y, Ducros, L V, Dudko, S, Duensing, L, Duflot, S R, Dugad, A, Duperrin, A, Dyshkant, D, Edmunds, J, Ellison, V D, Elvira, R, Engelmann, S, Eno, G, Eppley, P, Ermolov, O V, Eroshin, J, Estrada, H, Evans, V N, Evdokimov, T, Fahland, S, Feher, D, Fein, T, Ferbel, F, Filthaut, H E, Fisk, Y, Fisyak, E, Flattum, F, Fleuret, M, Fortner, H, Fox, K C, Frame, S, Fu, S, Fuess, E, Gallas, A N, Galyaev, M, Gao, V, Gavrilov, R J, Genik, K, Genser, C E, Gerber, Y, Gershtein, R, Gilmartin, G, Ginther, B, Gómez, G, Gómez, P I, Goncharov, J L, González Solís, H, Gordon, L T, Goss, K, Gounder, A, Goussiou, N, Graf, G, Graham, P D, Grannis, J A, Green, H, Greenlee, Z D, Greenwood, S, Grinstein, L, Groer, S, Grünendahl, A, Gupta, S N, Gurzhiev, G, Gutierrez, P, Gutierrez, N J, Hadley, H, Haggerty, S, Hagopian, V, Hagopian, R E, Hall, P, Hanlet, S, Hansen, J M, Hauptman, C, Hays, C, Hebert, D, Hedin, J M, Heinmiller, A P, Heinson, U, Heintz, T, Heuring, M D, Hildreth, R, Hirosky, J D, Hobbs, B, Hoeneisen, Y, Huang, R, Illingworth, A S, Ito, M, Jaffré, S, Jain, R, Jesik, K, Johns, M, Johnson, A, Jonckheere, H, Jöstlein, A, Juste, W, Kahl, S, Kahn, E, Kajfasz, A M, Kalinin, D, Karmanov, D, Karmgard, R, Kehoe, A, Khanov, A, Kharchilava, S K, Kim, B, Klima, B, Knuteson, W, Ko, J M, Kohli, A V, Kostritskiy, J, Kotcher, B, Kothari, A V, Kotwal, A V, Kozelov, E A, Kozlovsky, J, Krane, M R, Krishnaswamy, P, Krivkova, S, Krzywdzinski, M, Kubantsev, S, Kuleshov, Y, Kulik, S, Kunori, A, Kupco, V E, Kuznetsov, G, Landsberg, W M, Lee, A, Leflat, C, Leggett, F, Lehner, J, Li, Q Z, Li, X, Li, J G, Lima, D, Lincoln, S L, Linn, J, Linnemann, R, Lipton, A, Lucotte, L, Lueking, C, Lundstedt, C, Luo, A K, Maciel, R J, Madaras, V L, Malyshev, V, Manankov, H S, Mao, T, Marshall, M I, Martin, K M, Mauritz, B, May, A A, Mayorov, R, McCarthy, T, McMahon, H L, Melanson, M, Merkin, K W, Merritt, C, Miao, H, Miettinen, D, Mihalcea, C S, Mishra, N, Mokhov, N K, Mondal, H E, Montgomery, R W, Moore, M, Mostafa, H, da Motta, E, Nagy, F, Nang, M, Narain, V S, Narasimham, N A, Naumann, H A, Neal, J P, Negret, S, Negroni, T, Nunnemann, D, O'Neil, V, Oguri, B, Olivier, N, Oshima, P, Padley, L J, Pan, K, Papageorgiou, A, Para, N, Parashar, R, Partridge, N, Parua, M, Paterno, A, Patwa, B, Pawlik, J, Perkins, O, Peters, P, Pétroff, R, Piegaia, B G, Pope, E, Popkov, H B, Prosper, S, Protopopescu, M B, Przybycien, J, Qian, R, Raja, S, Rajagopalan, E, Ramberg, P A, Rapidis, N W, Reay, S, Reucroft, M, Ridel, M, Rijssenbeek, F, Rizatdinova, T, Rockwell, M, Roco, C, Royon, P, Rubinov, R, Ruchti, J, Rutherfoord, B M, Sabirov, G, Sajot, A, Santoro, L, Sawyer, R D, Schamberger, H, Schellman, A, Schwartzman, N, Sen, E, Shabalina, R K, Shivpuri, D, Shpakov, M, Shupe, R A, Sidwell, V, Simak, H, Singh, J B, Singh, V, Sirotenko, P, Slattery, E, Smith, R P, Smith, R, Snihur, G R, Snow, J, Snow, S, Snyder, J, Solomon, Y, Song, V, Sorín, M, Sosebee, N, Sotnikova, K, Soustruznik, M, Souza, N R, Stanton, G, Steinbrück, R W, Stephens, F, Stichelbaut, D, Stoker, V, Stolin, A, Stone, D A, Stoyanova, M A, Strang, M, Strauss, M, Strovink, L, Stutte, A, Sznajder, M, Talby, W, Taylor, S, Tentindo-Repond, S M, Tripathi, T G, Trippe, A S, Turcot, P M, Tuts, V, Vaniev, R, Van Kooten, N, Varelas, L S, Vertogradov, F, Villeneuve-Seguier, A A, Volkov, A P, Vorobiev, H D, Wahl, H, Wang, Z M, Wang, J, Warchol, G, Watts, M, Wayne, H, Weerts, A, White, J T, White, D, Whiteson, J A, Wightman, D A, Wijngaarden, S, Willis, S J, Wimpenny, J, Womersley, D R, Wood, Q, Xu, R, Yamada, P, Yamin, T, Yasuda, Y A, Yatsunenko, K, Yip, S, Youssef, J, Yu, Z, Yu, M, Zanabria, X, Zhang, H, Zheng, B, Zhou, Z, Zhou, M, Zielinski, D, Zieminska, A, Zieminski, V, Zutshi, E G, Zverev, and A, Zylberstejn
Subjects: High Energy Physics::Experiment, Nuclear Experiment
Abstract: The inclusive cross section for production of isolated photons has been measured in pp macro collisions at square root of s = 630 GeV with the D0 detector at the Fermilab Tevatron Collider. The photons span a transverse energy (E(T)) range from 7-49 GeV and have pseudorapidity absolute value of eta < 2.5. This measurement is combined with the previous D0 result at square root of s = 1800 GeV to form a ratio of the cross sections. Comparison of next-to-leading-order QCD with the measured cross section at 630 GeV and the ratio of cross sections show satisfactory agreement in most of the E(T) range.
Published: 2001

41. Ratio of Isolated Photon Cross Sections in pp¯ Collisions at √s=630 and 1800 GeV

Author: H. da Motta, J. G.R. Lima, S. Fuess, V. M. Abazov, T. C. Bacon, D. P. Stoker, M. Demarteau, P. C. Bhat, M. Chung, Yu-tin Huang, T. Heuring, Y. Fisyak, Marvin Johnson, A. V. Kozelov, M. Buehler, U. Bassler, Nikos Varelas, Bing Zhou, F. Stichelbaut, D. Cutts, T. Rockwell, Iain Alexander Bertram, Alexander Leflat, J. Yu, B. Connolly, Richard Breedon, H. Greenlee, Wagner Carvalho, Greg Landsberg, M. H.G. Souza, Elemer Nagy, N. R. Stanton, Michael Rijssenbeek, M. Strovink, P. Yamin, G. D. Alexeev, E. Ramberg, Stephen Wimpenny, Flera Rizatdinova, Heriberto Castilla-Valdez, Alberto Santoro, A. R. Clark, S. J. De Jong, Bobby Samir Acharya, T. Marshall, Z. Yu, M. Paterno, K. Soustruznik, Daniel Whiteson, H. A. Neal, B. Olivier, H. L. Melanson, K. M. Mauritz, D. A. Wijngaarden, J. T. Linnemann, B. Kothari, K. Genser, Neeti Parashar, K. Yip, V. N. Evdokimov, M. Bhattacharjee, Darien Wood, Nicholas John Hadley, P.F. Ermolov, Y. Kulik, K. Bos, V. S. Burtovoi, Zeno Dixon Greenwood, M. Zielinski, A.S. Dyshkant, S. Blessing, Xingguo Li, A. Jonckheere, Robert Hirosky, Scott Snyder, Suyong Choi, B. May, L. J. Pan, B. Knuteson, D. Edmunds, D. Mihalcea, Z. Zhou, J. Solomon, R. K. Shivpuri, Chris Hays, R. L. McCarthy, Sharon Hagopian, D. R. Claes, V. A. Bezzubov, E. Kajfasz, K. Papageorgiou, G. Sajot, Qiming Li, Andre Sznajder, Yuri Gershtein, H. E. Montgomery, Emanuela Barberis, L. Lueking, M. Merkin, S. Doulas, A. M. Kalinin, S. Youssef, J. P. Negret, D. Buchholz, H. Jöstlein, R. P. Smith, M. A.C. Cummings, Ron Lipton, B. Hoeneisen, W. E. Cooper, P. Krivkova, Kaushik De, J. Womersley, A. Boehnlein, A. Bean, S. P. Denisov, Vladimir Gavrilov, E. Flattum, D. Bauer, Gordon Watts, N. Sotnikova, Lee Sawyer, M. Sosebee, Florian Beaudette, L. Babukhadia, R. Gilmartin, S. Krzywdzinski, S. Tentindo-Repond, M. Gao, Gregorio Bernardi, A. V. Kostritskiy, N. Mokhov, Michael Shupe, Michael Hildreth, L. T. Goss, Michael A. Strauss, R. J. Genik, S. M. Tripathi, Charles Leggett, Miguel Mostafa, J. M. Hauptman, Cecilia Elena Gerber, M. M. Baarmand, Sarah Catherine Eno, Haiyan Wang, Anurag Gupta, R. Demina, Philip Baringer, F. Lehner, D. Karmanov, V. V. Babintsev, G. Ginther, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, O. V. Eroshin, S. Negroni, Y. Song, Phillip Gutierrez, J. Estrada, Gregory R Snow, S.A. Kahn, A. Stone, P. I. Goncharov, E. G. Zverev, R. Piegaia, J. H. Christenson, R. Jesik, Gilvan Alves, F. Villeneuve-Seguier, R. Snihur, Y. A. Yatsunenko, Jasvinder A. Singh, B. M. Sabirov, S. Banerjee, Jianming Qian, K. A. Johns, Christophe Royon, Tulika Bose, M. R. Krishnaswamy, D. Lincoln, Suman Bala Beri, A. Khanov, N. Parua, V.V. Abramov, C. Miao, A. V. Kotwal, G. Briskin, François Fleuret, F. Nang, Harrison Prosper, B. G. Pope, H. D. Wahl, S. N. Gurzhiev, Jeffrey F. Krane, S. Hansen, V. S. Narasimham, M. Jaffré, L. Stutte, L. Groer, Thomas G Trippe, V. Oguri, M. Zanabria, Winston Ko, S. Desai, L. Coney, A. Alton, E. Gallas, A. Baden, G. C. Blazey, J. T. White, Elizaveta Shabalina, N. Sen, Viatcheslav Stolin, T.R. McMahon, Arnaud Lucotte, A. P. Vorobiev, R. Raja, Stephan Linn, Alexander Kupco, O. Peters, M. Abolins, N. Oshima, J. Warchol, C. Lundstedt, Carlos Avila, Daria Zieminska, A. A. Mayorov, R. D. Schamberger, V. Sirotenko, R. J. Madaras, Sabine Crépé-Renaudin, John Rutherfoord, G. Gutierrez, Randy Ruchti, M. A. Strang, S. N. Ahmed, M. Fortner, D. Shpakov, Andrew Brandt, M. A. Kubantsev, N. W. Reay, J. A. Wightman, J. Perkins, N. K. Mondal, Wendy Taylor, A. Patwa, C. Luo, Mary Beth Adams, Roger Moore, J. Snow, H. T. Diehl, H. Singh, R. Engelmann, Sergey Chekulaev, G. Brooijmans, K. M. Chan, Dhiman Chakraborty, V. D. Elvira, D. Hedin, Vasken Hagopian, H. Weerts, Z. M. Wang, C. S. Mishra, V. Sorin, N. I. Bojko, Lev Dudko, J. Ellison, D. O'Neil, K. Gounder, E. A. Kozlovsky, H.E. Miettinen, E. W. Anderson, James C. Green, A. K.A. Maciel, Sa. Jain, A. Abdesselam, A. S. Ito, E. Popkov, K. Del Signore, M. B. Przybycien, Sebastian Grinstein, H. Haggerty, N. Amos, P. M. Tuts, V. Simak, P. Padley, V. E. Kuznetsov, R. W. Stephens, Alexey Volkov, S. Feher, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, K. Davis, J. N. Butler, P. D. Grannis, Mossadek Talby, B. Gómez, K. W. Merritt, Shashikant Dugad, F. Blekman, Meenakshi Narain, A. Juste, Y. Ducros, V. Manankov, W. M. Lee, A. Kharchilava, Sergey Kuleshov, A. Bross, Raymond Brock, Boaz Klima, R. Beuselinck, P. Rubinov, S. Willis, L. S. Vertogradov, Howard Gordon, A. N. Galyaev, K. C. Frame, R. Yamada, D. K. Cho, Y. Arnoud, S. Chopra, Ariel Schwartzman, E. Smith, R. Illingworth, Melissa Ridel, M. Roco, R. Kehoe, S. Duensing, B. Baldin, Andrew White, Arnaud Duperrin, T. Nunnemann, A. Goussiou, G. Steinbrück, John Hobbs, J. Barreto, Brad Abbott, A. Zylberstejn, Pierre Petroff, G. A. Davis, Serban Protopopescu, L. Duflot, S. Fu, M. I. Martin, A. P. Heinson, R. E. Hall, J. L. González Solís, Q. Xu, Z. Casilum, D. Fein, H. E. Fisk, P. W. Balm, Daniel John Karmgard, C. Hebert, R. Van Kooten, A. Besson, Jing Li, T. Yasuda, G. Graham, A. Zieminski, D. A. Stoyanova, A. S. Turcot, Gervasio Gomez, V. Zutshi, Michael Begel, J. F. Bartlett, R. A. Sidwell, P. A. Rapidis, P. Demine, H. Zheng, P. Hanlet, D. Coppage, F. Borcherding, D. Denisov, N. A. Naumann, S. Reucroft, W. Kahl, M. Diesburg, S. Grünendahl, Shuichi Kunori, Ulrich Heintz, V. Vaniev, Frank Filthaut, Alexander Belyaev, T. Fahland, Patrick Slattery, B. Pawlik, D. Casey, J. Kotcher, Harald Fox, N. Graf, Vipin Bhatnagar, R. Partridge, X. Zhang, V. L. Malyshev, H. S. Mao, S. K. Kim, David H. Adams, F. Canelli, Volker Buescher, G. Eppley, and A. Para
Subjects: Physics, Quantum chromodynamics, Particle physics, Photon, 010308 nuclear & particles physics, Tevatron, General Physics and Astronomy, 7. Clean energy, 01 natural sciences, law.invention, Nuclear physics, Cross section (physics), law, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, 010306 general physics, Collider, Bar (unit)
Abstract: The inclusive cross section for production of isolated photons has been measured in p (p) over bar collisions at roots = 630 GeV with the DO detector at the Fermilab Tevatron Collider. The photons span a transverse energy (E-T) range from 7-49 GeV and have pseudorapidity \eta\ s = 1800 GeV to form a ratio of the cross sections. Comparison of next-to-leading-order QCD with the measured cross section at 630 GeV and the ratio of cross sections show satisfactory agreement in most of the E-T range.
Published: 2001

42. Search for Heavy Particles Decaying into Electron-Positron Pairs inpp¯Collisions

Author: D. Buchholz, B. May, S. Fuess, A. V. Kostritskiy, K. Gounder, Sissel Hansen, Anna Goussiou, M. Abolins, L. Coney, N. Sen, Gregory R Snow, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, A. Leflat, Anurag Gupta, O. V. Eroshin, Phillip Gutierrez, B. Knuteson, R. Van Kooten, S. Feher, A. Besson, A. Baden, M. I. Martin, G. Graham, A. Zieminski, Jasvinder A. Singh, B. M. Sabirov, K. Papageorgiou, N. K. Mondal, H. T. Diehl, H. Singh, N. Sotnikova, R. J. Genik, U. Bassler, S. Tentindo-Repond, J. McDonald, G. C. Blazey, R. Yamada, A. Boehnlein, Pushpalatha C Bhat, L. S. Vertogradov, A. N. Galyaev, D. K. Cho, V. Simak, Elizabeth Gallas, T. McMahon, D. Mihalcea, J. Ellison, A. K.A. Maciel, B. Connolly, Sa. Jain, Richard Breedon, H. L. Melanson, P. Padley, Alexey Volkov, Alberto Santoro, M. Bhattacharjee, D. A. Wijngaarden, N. Parua, V.V. Abramov, A. Abdesselam, K. Bos, R. Illingworth, W. E. Cooper, S. Duensing, Daniel R Claes, G. Eppley, Philip Baringer, S. Banerjee, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, R. A. Sidwell, Seong Keun Kim, D. Edmunds, Andre Sznajder, Yuri Gershtein, M. D. Peters, J. H. Christenson, L. Babukhadia, P. Krivkova, David H. Adams, Suyong Choi, Bobby Samir Acharya, H. A. Neal, J. T. Linnemann, V. Sorín, T. Heuring, K. Yip, Stephen Wimpenny, Matthew Jones, M. Jaffré, H. D. Wahl, Michael A. Strauss, M. A.C. Cummings, B. Hoeneisen, Stefan Grünendahl, Suman Bala Beri, P. Rubinov, A. Juste, A. R. Clark, Lee Sawyer, H. da Motta, J. G.R. Lima, Alice Bean, John Rutherfoord, M. Buehler, L. Lueking, C. Luo, Mary Beth Adams, M. Zanabria, Winston Ko, L. Stutte, Jinhong Yu, T. Marshall, Sharon Hagopian, S. Youssef, H. E. Fisk, L. J. Pan, N. R. Stanton, Arnaud Lucotte, B. Gómez, Z. Zhou, J. Solomon, F. Canelli, Volker Buescher, O. Peters, Vipin Bhatnagar, E. Popkov, A. S. Ito, A.S. Dyshkant, K. Del Signore, M. Merkin, Alexander Kupco, Andrew White, V. Zutshi, Darien Wood, R. Jesik, Shashikant Dugad, K. A. Johns, R. Partridge, K. M. Mauritz, T. Bacon, James C. Green, S. P. Denisov, Haiyan Wang, T. Yasuda, Wendy Taylor, A. Patwa, V. M. Abazov, Nicholas John Hadley, G. Di Loreto, S.A. Kahn, Randy Ruchti, Raymond Brock, Boaz Klima, E. G. Zverev, R. Gilmartin, M. Gao, R. Piegaia, Roger Moore, P. I. Goncharov, S. Blessing, M. Demarteau, F. Fleuret, Y. Kulik, V. L. Malyshev, J. Rha, H. S. Mao, Erik Ramberg, F. Stichelbaut, F. Borcherding, R. Beuselinck, Gregorio Bernardi, D. Denisov, Scott Snyder, J. Womersley, M. R. Krishnaswamy, P. M. Tuts, P.F. Ermolov, B. G. Pope, John Hobbs, C. S. Mishra, V. E. Kuznetsov, R. W. Stephens, C. Miao, B. Olivier, D. Shpakov, E. W. Anderson, S. Willis, Srinivasan Rajagopalan, Hal Evans, A. Bross, R. Snihur, Robert Hirosky, J. M. Hauptman, Cecilia Elena Gerber, J. Barreto, V. V. Babintsev, A. M. Kalinin, G. Ginther, D. Karmanov, G. Steinbrück, T. Rockwell, Iain Alexander Bertram, Meenakshi Narain, A. Para, V. Oguri, D. Bauer, T. Nunnemann, Elizaveta Shabalina, B. Baldin, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, Q. Z. Li, V. S. Burtovoi, Thomas Ferbel, Rajendran Raja, B. Pawlik, Y. Ducros, R. Demina, Sergey Chekulaev, Michael Rijssenbeek, Vasken Hagopian, Jianming Qian, H. Weerts, T. Fahland, Z. M. Wang, J. T. White, G. Gutierrez, Gilvan Alves, P. Yamin, Gustaaf Brooijmans, Lev Dudko, F. Nang, J. Warchol, G. D. Alexeev, Richard B. Lipton, D. Casey, G. Briskin, Yu-tin Huang, V. S. Narasimham, L. Groer, Thomas G Trippe, Jeffrey F. Krane, Brad Abbott, A. Kharchilava, Y. Fisyak, Pierre Petroff, J. Kotcher, D. Cutts, M. Sosebee, S. N. Gurzhiev, R. L. McCarthy, V. N. Evdokimov, Wagner Carvalho, M. Chung, E. Flattum, Sergey Kuleshov, Nikos Varelas, K. W. Merritt, S. Chopra, Sebastian Grinstein, Marvin Johnson, R. K. Shivpuri, S. J. De Jong, J. F. Bartlett, A. V. Kozelov, N. Graf, Greg Landsberg, V. Manankov, Peter W. Draper, Chris Hays, Ariel Schwartzman, J. Snow, Heriberto Castilla-Valdez, M. Paterno, K. Soustruznik, V. A. Bezzubov, J. P. Negret, R. P. Smith, Viatcheslav Stolin, P. van Gemmeren, S. Doulas, A. A. Mayorov, Victor Daniel Elvira, M. Roco, Michael Shupe, Michael Hildreth, P. A. Rapidis, M. H.G. Souza, C. Lundstedt, A. Jonckheere, E. Smith, Melissa Ridel, R. Kehoe, H. E. Montgomery, Kaushik De, M. Strovink, Z. Yu, E. Kajfasz, Daniel Whiteson, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, R. D. Schamberger, S. M. Tripathi, M. A. Kubantsev, Howard Gordon, K. C. Frame, Andrew Brandt, R. Engelmann, J. Estrada, D. P. Stoker, J. A. Wightman, N. I. Bojko, Alexander Belyaev, K. M. Chan, Dhiman Chakraborty, E. A. Kozlovsky, H.E. Miettinen, Y. A. Yatsunenko, A. V. Kotwal, Neeti Parashar, Harrison Prosper, S. Desai, R. D. Martin, D. O'Neil, M. Zielinski, Patrick Slattery, K. Davis, J. N. Butler, D. A. Stoyanova, A. S. Turcot, P. D. Grannis, H. Piekarz, Gervasio Gomez, Michael Begel, R. J. Madaras, K. Genser, D. Hedin, Ulrich Heintz, H. Jöstlein, Frank Filthaut, M. Diesburg, N. Amos, S. N. Ahmed, M. Fortner, N. W. Reay, J. Perkins, D. Fein, Don Lincoln, P. W. Balm, Daniel John Karmgard, Emanuela Barberis, C. Hebert, L. T. Goss, Charles Leggett, Jing Li, H. Haggerty, S. Krzywdzinski, A. Zylberstejn, F. Lehner, H. Greenlee, G. A. Davis, Serban Protopopescu, L. Duflot, N.V. Mokhov, Elemer Nagy, A. P. Heinson, R. E. Hall, J. L. González Solís, Z. Casilum, Shuichi Kunori, V. Vaniev, P. Demine, H. Zheng, P. Hanlet, D. Coppage, S. Negroni, and S. Reucroft
Subjects: Physics, Particle physics, Gauge boson, 010308 nuclear & particles physics, Tevatron, General Physics and Astronomy, Technicolor, Electron, Fermion, 01 natural sciences, 7. Clean energy, Omega, Nuclear physics, Positron, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, 010306 general physics
Abstract: We present results of searches for technirho (rho (T)), techniomega (omega (T)), and Z' particles, using the decay channels rho (T), omega (T), Z' --> e(+)e(-). The search is based on 124.8 pb(-1) of data collected by the DO detector at the Fermilab Tevatron during 1992-1996. In the absence of a signal, we set 95% C.L. upper limits on the cross sections for the processes p (p) over bar --> rho (T), omega (T), Z' - e(+)e(-) as a function of the mass of the decaying particle. For certain model parameters, we exclude the existence of degenerate rho (T) and omega (T) states with masses below about 200 GeV. We exclude a Z' with mass below 670 GeV, assuming that it has the same couplings to fermions as the Z boson.
Published: 2001

43. High-pTjets inp¯pcollisions ats=630and 1800 GeV

Author: H. A. Neal, V.V. Abramov, A. Leflat, Gregory R. Snow, G. Eppley, D. A. Stoyanova, Richard Breedon, M. Kubantsev, B. Pawlik, K. Yip, J. T. White, K. S. Hahn, D. Cutts, S. Protopopescu, Greg Landsberg, B. Connolly, T. L. Geld, K. Soustruznik, A. Baden, G. C. Blazey, R. Yamada, M. I. Martin, F. Stichelbaut, Zheng Wang, John Rutherfoord, S. Krzywdzinski, C. Luo, N. Sotnikova, G. Di Loreto, D. Buchholz, James C. Green, V. Simak, F. Borcherding, Matthew Jones, M. Jaffré, T. Marshall, Suman Bala Beri, Miguel Mostafa, U. Bassler, Sarah Catherine Eno, T. Nunnemann, B. Baldin, Georg Steinbrück, D. Casey, François Fleuret, F. Nang, Richard B. Lipton, P. Padley, Alexey Volkov, Arnaud Lucotte, H. da Motta, J. G.R. Lima, Andrew White, A. Gupta, S. Tentindo-Repond, J. McDonald, Gervasio Gomez, Gregorio Bernardi, D. Denisov, A. Zylberstejn, J. V.D. Wirjawan, T. Heuring, Wagner Carvalho, J. M. Hauptman, Darien Wood, Nicholas John Hadley, S. Blessing, C. Hebert, J. Kotcher, E. Kajfasz, L. Lueking, L. Stutte, A.S. Dyshkant, Emanuela Barberis, A. S. Ito, Mitchell Wayne, H. Schellman, J. M. Kohli, H. Greenlee, D. A. Wijngaarden, Srinivasan Rajagopalan, Y. Ducros, J. B. Singh, L. Groer, Anna Goussiou, A. V. Kotwal, J. A. Wightman, Thomas Ferbel, P. Demine, Scott Snyder, Elemer Nagy, K. Del Signore, A. S. Turcot, Elizabeth Gallas, L. T. Goss, Alberto Santoro, Philip Baringer, N. Parua, H. Jostlein, N. Graf, Konstantinos Papageorgiou, Raymond Brock, Boaz Klima, Charles Leggett, Randy Ruchti, A. Jonckheere, K. M. Mauritz, H. Zheng, A. P. Vorobiev, Stephan Linn, R. K. Shivpuri, S. Banerjee, P.F. Ermolov, P. Hanlet, D. R. Claes, H. G. Evans, X. C. Meng, R. J. Genik, H. Haggerty, G. A. Davis, D. Toback, D. Mihalcea, Stefan Grünendahl, J. Thompson, D.A. Bauer, S. R. Dugad, O. Peters, John Hobbs, R. Beuselinck, J. Cochran, D. Hedin, D. Coppage, V. S. Burtovoi, P. van Gemmeren, S. Doulas, P. Rubinov, M. Chung, P. M. Tuts, G. Briskin, Robert Hirosky, Marc M Baarmand, Howard Gordon, K. C. Frame, Sebastien Jonathan Kahn, N. Oshima, S. N. Gurzhiev, Sergey Kuleshov, D. Norman, H. E. Fisk, Daria Zieminska, L. J. Pan, R. Demina, Kaushik De, Vladimir Gavrilov, G. Gutierrez, Gilvan Alves, M. R. Adams, R. Jesik, H. D. Wahl, M. Zanabria, Gordon Watts, Winston Ko, Heriberto Castilla-Valdez, S. P. Denisov, B. Olivier, C. Klopfenstein, Z. Zhou, J. Solomon, L. Babukhadia, V. S. Narasimham, H. L. Melanson, P. Z. Quintas, V. Sirotenko, L. Duflot, S. Willis, S. Chopra, S. M. Tripathi, R. Astur, O. V. Eroshin, Victor Daniel Elvira, D. K. Cho, M. R. Krishnaswamy, A. R. Clark, P. C. Bhat, A. Para, S. K. Kim, A. A. Mayorov, R. J. Madaras, J. Snow, N.V. Mokhov, Phillip Gutierrez, Y. Kulik, F. Lehner, S. Reucroft, J. H. Christenson, Viatcheslav Stolin, David H. Adams, Sergey Chekulaev, Chris Hays, B. May, R. Gilmartin, M. Gao, A. P. Heinson, A. N. Galyaev, S. Youssef, S. Choi, K. M. Chan, Alice Bean, E. J. Ramberg, K. W. Merritt, J. F. Bartlett, V. Manankov, Robert Kehoe, V. Oguri, T. Yasuda, M. H.G. Souza, E. Flattum, Robert J. McCarthy, J. Womersley, T. Rockwell, Iain Alexander Bertram, Yonggang Huang, C. S. Mishra, Cecilia Elena Gerber, Robert Snihur, M. Strauss, Michael Rijssenbeek, T.R. McMahon, M. Paterno, R. D. Martin, Wendy Taylor, H. E. Montgomery, Gustaaf Brooijmans, C. Lundstedt, P. Yamin, Volker Buescher, Vipin Bhatnagar, V. V. Babintsev, G. Ginther, R. E. Hall, M. Roco, J. Warchol, J. L. González Solís, Z. Casilum, V. Zutshi, Jianming Qian, Roger Moore, Daniel Whiteson, D. Edmunds, Nikos Varelas, W. E. Cooper, S. Duensing, Vasken Hagopian, Ariel Schwartzman, E. Smith, H. Weerts, D. Karmanov, Stephen Wimpenny, S. Negroni, V. E. Kuznetsov, Andre Sznajder, T. G. Trippe, P. I. Goncharov, Melissa Ridel, M. D. Peters, D. Fein, J. Rha, E. G. Zverev, B. Knuteson, H. S. Mao, M. Fortner, N. W. Reay, Sharon Hagopian, D. Chakraborty, A. K.A. Maciel, Peter W. Draper, V. Sorin, N. I. Bojko, J. Perkins, M.K. Fatyga, Don Lincoln, P. W. Balm, Ulrich Heintz, Jing Li, V. N. Evdokimov, Shuichi Kunori, K. Gounder, Daniel John Karmgard, K. A. Johns, Jong-Sung Yu, M. A. Shupe, M. A.C. Cummings, R. Piegaia, J. S. Hoftun, K. Davis, J. N. Butler, B. Hoeneisen, Lee Sawyer, A. D. Bross, L. Oesch, J. T. Linnemann, P. D. Grannis, V. Vaniev, H. Piekarz, C. Miao, Haiyan Wang, R. D. Schamberger, B. S. Acharya, V. A. Bezzubov, J. P. Negret, R. P. Smith, M. Diesburg, Neeti Parashar, Harrison Prosper, M. Zielinski, M. Demarteau, Alexander Belyaev, T. Fahland, Patrick Slattery, M. Sosebee, M. Abolins, Dennis Shpakov, R. Engelmann, E. A. Kozlovsky, H.E. Miettinen, E. Popkov, A. Brandt, A. Patwa, N. K. Mondal, Z. Yu, Meenakshi Narain, H. T. Diehl, H. Singh, J. Krane, A. Boehnlein, J. Ellison, S. Fuess, A. Abdesselam, R. Partridge, Y. Gershtein, M. Merkin, M. Strovink, M. Bhattacharjee, T. C. Bacon, R. W. Stephens, D. P. Stoker, F. Canelli, Y. Fisyak, A. V. Kozelov, S. R. Hou, B. Gómez, M. Buehler, A. V. Kostritskiy, Sissel Hansen, L. Coney, N. Sen, Juan Estrada, E. W. Anderson, Q. Z. Li, A. Juste, Sebastian Grinstein, B. G. Pope, Elizaveta Shabalina, N. R. Stanton, R. Illingworth, Lev Dudko, S. A. Jerger, N. Amos, K. Genser, Rajendran Raja, Brad Abbott, Pierre Petroff, R. Van Kooten, S. Feher, A. Besson, G. Graham, A. Zieminski, P. A. Rapidis, Michael Begel, R. A. Sidwell, S. Desai, and Mikkel B. Johnson
Subjects: Physics, Quantum chromodynamics, Quark, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, Order (ring theory), Jet (particle physics), 01 natural sciences, law.invention, law, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Fermilab, Nuclear Experiment, 010306 general physics, Collider
Abstract: Results are presented from analyses of jet data produced in $p\overline{p}$ collisions at $\sqrt{s}=630$ and 1800 GeV collected with the D\O{} detector during the 1994--1995 Fermilab Tevatron Collider run. We discuss the details of detector calibration, and jet selection criteria in measurements of various jet production cross sections at $\sqrt{s}=630$ and 1800 GeV. The inclusive jet cross sections, the dijet mass spectrum, the dijet angular distributions, and the ratio of inclusive jet cross sections at $\sqrt{s}=630$ and 1800 GeV are compared to next-to-leading-order QCD predictions. The order ${\ensuremath{\alpha}}_{\mathrm{s}}^{3}$ calculations are in good agreement with the data. We also use the data at $\sqrt{s}=1800$ GeV to rule out models of quark compositeness with a contact interaction scale less than $2.2$ TeV at the $95%$ confidence level.
Published: 2001

44. Search for dilepton signatures from minimal low-energy supergravity inpp¯collisions ats=1.8TeV

Author: D. Edmunds, Suman Bala Beri, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Oesch, L. Babukhadia, A. Juste, D. Mihalcea, B. Connolly, Richard Breedon, D. A. Wijngaarden, E. Popkov, E. G. Zverev, Meenakshi Narain, M. Chung, B. Baldin, D. Shpakov, M. Sosebee, T. Heuring, Y. Ducros, P. Demine, H. Zheng, A. N. Galyaev, J. Bantly, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, H. Motta, X. C. Meng, P. Hanlet, D. Coppage, V. Sorín, K. Yip, Y. Fisyak, Sergey Kuleshov, D. K. Cho, P. A. Rapidis, Elemer Nagy, L. Stutte, Jinhong Yu, A.S. Dyshkant, F. Borcherding, Andrew Brandt, R. Engelmann, R. L. McCarthy, Victor Daniel Elvira, Marvin Johnson, A. Jonckheere, A. P. Vorobiev, Neeti Parashar, U. Bassler, W. E. Cooper, S. Duensing, T. Fahland, Stephan Linn, E. A. Kozlovsky, H.E. Miettinen, S. Youssef, A. V. Kozelov, M. Zielinski, N. Oshima, Daria Zieminska, K. M. Mauritz, B. Olivier, S. Reucroft, R. D. Schamberger, Robert Kehoe, Heriberto Castilla-Valdez, Y. Kulik, Suyong Choi, Miguel Mostafa, P.F. Ermolov, M. Roco, V. Zutshi, G. Eppley, E. Flattum, M. A. Kubantsev, M. M. Baarmand, Sarah Catherine Eno, G. Loreto, J. Womersley, B. May, M. Buehler, Robert Hirosky, J. G.R. Lima, S. Chopra, V. S. Burtovoi, N. R. Stanton, E. J. Ramberg, A. S. Ito, D. P. Stoker, F. Nang, D. Karmanov, Ariel Schwartzman, J. A. Wightman, B. Gibbard, E. Smith, Alberto Santoro, R. Demina, Wendy Taylor, S. Negroni, Richard B. Lipton, A. Patwa, K. Streets, Vipin Bhatnagar, P. Yamin, A. Baden, Brajesh C Choudhary, G. Gutierrez, Seong Keun Kim, D. Toback, Gilvan Alves, G. C. Blazey, R. Jesik, N. I. Bojko, R. D. Martin, R. Partridge, M. Merkin, S. Mani, Yu-tin Huang, D. Denisov, J. Sculli, A. A. Mayorov, Anurag Gupta, R. Yamada, F. Stichelbaut, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, Shuichi Kunori, V. Vaniev, R. J. Madaras, R. Snihur, M. Strovink, Srinivasan Rajagopalan, Hal Evans, V. S. Narasimham, Andrew White, P. Gartung, Nikos Varelas, Jasvinder A. Singh, D. Buchholz, Peter W. Draper, Pushpalatha C Bhat, K. Gounder, V. V. Babintsev, G. Ginther, J. Rha, Thomas Ferbel, John Rutherfoord, Raymond Brock, Boaz Klima, R. K. Shivpuri, S. A. Jerger, Jianming Qian, D. Hedin, H. S. Mao, D. R. Claes, Mary Beth Adams, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, A. Leflat, D. Norman, Anna Goussiou, P. van Gemmeren, J. Snow, S. Doulas, B. Knuteson, M. I. Martin, John Hobbs, S. Willis, G. Briskin, S. N. Gurzhiev, L. Lueking, Haiyan Wang, James C. Green, S. Tentindo-Repond, K. S. Hahn, Kaushik De, S.A. Kahn, T. Rockwell, Iain Alexander Bertram, Jeffrey F. Krane, J. McDonald, M. Demarteau, Gregory R Snow, C. Klopfenstein, D. Cutts, Michael Rijssenbeek, Wagner Carvalho, Greg Landsberg, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, H. L. Melanson, P. Z. Quintas, Philip Baringer, K. Del Signore, S. Banerjee, Viatcheslav Stolin, M. Paterno, K. Soustruznik, V. N. Evdokimov, B. G. Pope, M. H.G. Souza, J. H. Christenson, C. Lundstedt, David H. Adams, Chris Hays, V. A. Bezzubov, J. P. Negret, R. P. Smith, H. E. Montgomery, H. E. Fisk, L. J. Pan, K. M. Chan, Dhiman Chakraborty, Alice Bean, Elizaveta Shabalina, F. Canelli, Michael Shupe, Z. Yu, P. M. Tuts, V. E. Kuznetsov, Z. Zhou, J. Solomon, R. W. Stephens, M. Bhattacharjee, Stephen Wimpenny, J. Estrada, N. Sotnikova, R. J. Genik, T. G. Trippe, J. T. White, B. Pawlik, A. V. Kotwal, Harrison Prosper, S. Desai, Sharon Hagopian, A. V. Kostritskiy, T. Marshall, R. Gilmartin, D. Casey, H. D. Wahl, Sissel Hansen, J. Kotcher, M. Zanabria, Winston Ko, Darien Wood, O. I. Dahl, R. Piegaia, L. Coney, N. Sen, N. Graf, Nicholas John Hadley, S. Blessing, T. Yasuda, Scott Snyder, V. Buescher, E. W. Anderson, Q. Z. Li, Allen Mincer, J. V.D. Wirjawan, Sebastian Grinstein, E. Kajfasz, V. Simak, V. Oguri, P. Padley, Alexey Volkov, James H Cochran, Gustaaf Brooijmans, M. L. Stevenson, J. Warchol, Mitchell Wayne, H. Schellman, J. M. Kohli, Elizabeth Gallas, T. McMahon, Stefan Grünendahl, J. Thompson, S. R. Hou, B. Gómez, K. A. Johns, Z. H. Zhu, Shashikant Dugad, R. Van Kooten, S. Feher, A. Besson, G. Graham, A. Zieminski, R. A. Sidwell, G. Steinbrück, Rajendran Raja, Brad Abbott, C. S. Mishra, Vasken Hagopian, H. Weerts, Z. M. Wang, Lev Dudko, S. Fuess, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, P. I. Goncharov, O. V. Eroshin, Phillip Gutierrez, C. Miao, M. Abolins, D. A. Stoyanova, A. S. Turcot, Gervasio Gomez, N. K. Mondal, V.V. Abramov, H. T. Diehl, H. Singh, Michael Begel, D. Whiteson, A. Boehnlein, Matthew Jones, K. Genser, J. Ellison, A. K.A. Maciel, Arnaud Lucotte, Ulrich Heintz, H. Jöstlein, N. Parua, Randy Ruchti, M. Diesburg, Alexander Belyaev, Patrick Slattery, S. Krzywdzinski, A. Zylberstejn, F. Lehner, H. Greenlee, A. Bross, O. Peters, G. A. Davis, Serban Protopopescu, N.V. Mokhov, A. P. Heinson, R. E. Hall, J. L. González Solís, Z. Casilum, D. Fein, Don Lincoln, P. W. Balm, Daniel John Karmgard, C. Hebert, Jing Li, N. Amos, G. Bernardi, Emanuela Barberis, L. T. Goss, H. Haggerty, M. Fortner, N. W. Reay, J. Perkins, K. W. Merritt, J. F. Bartlett, V. Manankov, F. Fleuret, Howard Gordon, K. C. Frame, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, A. R. Clark, A. Para, Sergey Chekulaev, and Michael A. Strauss
Subjects: Physics, Nuclear and High Energy Physics, Gluino, Particle physics, 010308 nuclear & particles physics, Supergravity, High Energy Physics::Phenomenology, Supersymmetry, Coupling (probability), 01 natural sciences, Chargino, 0103 physical sciences, Neutralino, High Energy Physics::Experiment, 010306 general physics, Energy (signal processing), Lepton
Abstract: We report on a search for supersymmetry using the D\O{} detector. The 1994--1996 data sample of $\sqrt{s}=1.8$ TeV $p\overline{p}$ collisions was analyzed for events containing two leptons $(e$ or $\ensuremath{\mu}),$ two or more jets, and missing transverse energy. Assuming the minimal supergravity model, with ${A}_{0}=0$ and $\ensuremath{\mu}l0,$ various thresholds were employed to optimize the search. No events were found beyond expectation from the background. We set a lower limit at the 95% C.L. of 255 $\mathrm{GeV}{/c}^{2}$ for equal mass squarks and gluinos for $\mathrm{tan}\ensuremath{\beta}=2,$ and present exclusion contours in the ${(m}_{0}{,m}_{1/2})$ plane for $\mathrm{tan}\ensuremath{\beta}=2$--6.
Published: 2001

45. Measurement of the angular distribution of electrons fromW→eνdecays observed inpp¯collisions ats=1.8TeV

Author: S. N. Gurzhiev, J. Womersley, G. Eppley, J. G.R. Lima, M. Abolins, D. Karmanov, A. S. Ito, Viatcheslav Stolin, E. G. Zverev, C. Lundstedt, F. Stichelbaut, J. A. Wightman, T. Fahland, N. K. Mondal, L. Lueking, G. Loreto, H. T. Diehl, H. Singh, A. Jonckheere, Suyong Choi, J. Krane, Neeti Parashar, A. V. Kostritskiy, B. May, A. P. Vorobiev, Stephan Linn, M. Zielinski, N. I. Bojko, D. Whiteson, A. Boehnlein, R. D. Martin, Gregorio Bernardi, D. Denisov, T. G. Trippe, K. Del Signore, Srinivasan Rajagopalan, M. Sosebee, Hal Evans, Thomas Ferbel, N. Oshima, J. Ellison, Raymond Brock, Boaz Klima, H. A. Neal, A. K.A. Maciel, Sissel Hansen, H. E. Fisk, S. Fuess, H. C. Shankar, V. Sorín, Daria Zieminska, Sharon Hagopian, T. Rockwell, Iain Alexander Bertram, K. Yip, C. Klopfenstein, L. J. Pan, Michael Rijssenbeek, L. Stutte, Jinhong Yu, E. Flattum, F. Borcherding, J. Bantly, H. Motta, L. Coney, M. A. Kubantsev, A.S. Dyshkant, D. Norman, P. M. Tuts, N. Sen, V. E. Kuznetsov, R. W. Stephens, E. J. Ramberg, Anurag Gupta, S. Willis, S. Chopra, R. D. Schamberger, R. L. McCarthy, A. A. Mayorov, V. N. Evdokimov, Z. Zhou, J. Solomon, S. A. Jerger, J. T. Linnemann, R. Piegaia, M. Strovink, G. Steinbrück, Shuichi Kunori, A. Leflat, Robert Hirosky, K. A. Johns, Andrew Brandt, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, R. Engelmann, K. Streets, Vipin Bhatnagar, P. Yamin, D. Mihalcea, Richard Breedon, M. I. Martin, Ariel Schwartzman, R. Snihur, V. Buescher, M. Chung, H. Piekarz, R. Demina, V. Vaniev, A. N. Galyaev, M. Roco, G. Gutierrez, Gilvan Alves, R. Partridge, R. Gilmartin, E. Smith, S. Tentindo-Repond, E. W. Anderson, D. Shpakov, J. Rha, T. Heuring, H. S. Mao, M. Bhattacharjee, V. S. Narasimham, L. Groer, J. McDonald, Q. Z. Li, P. Demine, Allen Mincer, E. A. Kozlovsky, Miguel Mostafa, M. M. Baarmand, H. Zheng, Sarah Catherine Eno, P. Hanlet, D. K. Cho, W. E. Cooper, S. Duensing, B. Baldin, J. Snow, U. Bassler, M. Merkin, D. Coppage, Sebastian Grinstein, Andrew White, D. Hedin, H.E. Miettinen, Y. Ducros, V. Simak, J. B. Singh, Philip Baringer, P. Padley, Alexey Volkov, F. Nang, Peter W. Draper, B. Pawlik, Chris Hays, Richard B. Lipton, Heriberto Castilla-Valdez, Elizabeth Gallas, T. McMahon, H. Jostlein, James H Cochran, Mitchell Wayne, V. A. Bezzubov, J. P. Negret, R. P. Smith, D. Casey, H. Schellman, J. M. Kohli, S. Banerjee, S. Negroni, N. Sotnikova, R. J. Genik, J. Kotcher, Y. Fisyak, Michael Shupe, K. M. Chan, Dhiman Chakraborty, Wendy Taylor, N. Amos, A. Patwa, X. C. Meng, K. S. Hahn, O. I. Dahl, Alberto Santoro, Stefan Grünendahl, J. Thompson, D. A. Wijngaarden, S. R. Hou, John Hobbs, Marvin Johnson, D. Cutts, Roger Moore, Y. Kulik, S. Reucroft, Pushpalatha C Bhat, B. Gómez, Z. H. Zhu, H. Haggerty, D. Toback, J. Estrada, K. Gounder, A. V. Kozelov, Sergey Kuleshov, N. Graf, Wagner Carvalho, M. R. Adams, Greg Landsberg, Victor Daniel Elvira, A. V. Kotwal, Harrison Prosper, M. Buehler, P. Rubinov, P. I. Goncharov, S. Desai, P. Gartung, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, H. L. Melanson, P. Z. Quintas, L. Babukhadia, B. Connolly, J. M. Hauptman, Cecilia Elena Gerber, S. Youssef, N. R. Stanton, M. Fortner, S. K. Kim, J. H. Christenson, B. S. Acharya, M. Paterno, K. Soustruznik, C. Miao, B. Olivier, D. P. Stoker, N. W. Reay, Robert Kehoe, V. V. Babintsev, G. Ginther, V. Zutshi, J. Perkins, David H. Adams, B. Knuteson, Alice Bean, Haiyan Wang, S.A. Kahn, A. Baden, G. C. Blazey, Jianming Qian, M. Demarteau, R. Yamada, R. Jesik, H. D. Wahl, M. Zanabria, Winston Ko, Emanuela Barberis, F. Canelli, John Rutherfoord, L. T. Goss, D. Edmunds, James C. Green, T. Yasuda, G. Briskin, B. G. Pope, Andre Sznajder, Yuri Gershtein, Elizaveta Shabalina, M. D. Peters, L. Oesch, J. T. White, Michael A. Strauss, Suman Bala Beri, A. Juste, Vladimir Gavrilov, Gordon Watts, M. H.G. Souza, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, V.V. Abramov, Matthew Jones, Arnaud Lucotte, H. E. Montgomery, N. Parua, Randy Ruchti, C. S. Mishra, Vasken Hagopian, H. Weerts, Z. M. Wang, Lev Dudko, Z. Yu, D. Buchholz, J. V.D. Wirjawan, Anna Goussiou, Gregory R Snow, E. Kajfasz, K. M. Mauritz, P.F. Ermolov, V. Oguri, E. Popkov, Meenakshi Narain, V. S. Burtovoi, Gustaaf Brooijmans, M. L. Stevenson, J. Warchol, Stephen Wimpenny, R. J. Madaras, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, S. Krzywdzinski, R. K. Shivpuri, D. R. Claes, Alexander Belyaev, P. van Gemmeren, Patrick Slattery, D. A. Stoyanova, A. S. Turcot, Gervasio Gomez, Michael Begel, S. Doulas, A. Zylberstejn, Ulrich Heintz, F. Lehner, H. Greenlee, M. Diesburg, Kaushik De, A. Bross, O. Peters, G. A. Davis, Serban Protopopescu, S. M. Tripathi, B. Gibbard, N.V. Mokhov, Elemer Nagy, Yu-tin Huang, J. Sculli, Nikos Varelas, A. P. Heinson, R. E. Hall, J. L. González Solís, Z. Casilum, D. Fein, Don Lincoln, P. W. Balm, Daniel John Karmgard, C. Hebert, F. Fleuret, S. R. Dugad, Jing Li, Howard Gordon, K. C. Frame, K. W. Merritt, J. F. Bartlett, V. Manankov, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, A. R. Clark, A. Para, Sergey Chekulaev, R. Van Kooten, S. Feher, A. Besson, G. Graham, A. Zieminski, P. A. Rapidis, R. A. Sidwell, K. Genser, Rajendran Raja, and Brad Abbott
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Tevatron, Perturbative QCD, Electron, 01 natural sciences, Nuclear physics, Particle decay, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, Polar coordinate system, 010306 general physics, Parametrization
Abstract: We present the first measurement of the electron angular distribution parameter α 2 in W→eν events produced in proton-antiproton collisions as a function of the W boson transverse momentum. Our analysis is based on data collected using the DO detector during the 1994–1995 Fermilab Tevatron run. We compare our results with next-to-leading order perturbative QCD, which predicts an angular distribution of (1±α 1 cosθ ∗ +α 2 cos 2 θ ∗ ), where θ ∗ is the polar angle of the electron in the Collins-Soper frame. In the presence of QCD corrections, the parameters α 1 and α 2 become functions of p T W , the W boson transverse momentum. This measurement provides a test of next-to-leading order QCD corrections which are a non-negligible contribution to the W boson mass measurement.
Published: 2001

46. Ratio of jet cross sections at square root of s = 630 GeV and 1800 GeV

Author: B, Abbott, M, Abolins, V, Abramov, B S, Acharya, D L, Adams, M, Adams, G A, Alves, N, Amos, E W, Anderson, M M, Baarmand, V V, Babintsev, L, Babukhadia, A, Baden, B, Baldin, P W, Balm, S, Banerjee, J, Bantly, E, Barberis, P, Baringer, J F, Bartlett, U, Bassler, A, Bean, M, Begel, A, Belyaev, S B, Beri, G, Bernardi, I, Bertram, A, Besson, V A, Bezzubov, P C, Bhat, V, Bhatnagar, M, Bhattacharjee, G, Blazey, S, Blessing, A, Boehnlein, N I, Bojko, F, Borcherding, A, Brandt, R, Breedon, G, Briskin, R, Brock, G, Brooijmans, A, Bross, D, Buchholz, M, Buehler, V, Buescher, V S, Burtovoi, J M, Butler, F, Canelli, W, Carvalho, D, Casey, Z, Casilum, H, Castilla-Valdez, D, Chakraborty, K M, Chan, S V, Chekulaev, D K, Cho, S, Choi, S, Chopra, J H, Christenson, M, Chung, D, Claes, A R, Clark, J, Cochran, L, Coney, B, Connolly, W E, Cooper, D, Coppage, M A, Cummings, D, Cutts, O I, Dahl, G A, Davis, K, Davis, K, De, K, Del Signore, M, Demarteau, R, Demina, P, Demine, D, Denisov, S P, Denisov, S, Desai, H T, Diehl, M, Diesburg, G, Di Loreto, S, Doulas, P, Draper, Y, Ducros, L V, Dudko, S, Duensing, S R, Dugad, A, Dyshkant, D, Edmunds, J, Ellison, V D, Elvira, R, Engelmann, S, Eno, G, Eppley, P, Ermolov, O V, Eroshin, J, Estrada, H, Evans, V N, Evdokimov, T, Fahland, S, Feher, D, Fein, T, Ferbel, H E, Fisk, Y, Fisyak, E, Flattum, F, Fleuret, M, Fortner, K C, Frame, S, Fuess, E, Gallas, A N, Galyaev, P, Gartung, V, Gavrilov, R J, Genik, K, Genser, C E, Gerber, Y, Gershtein, B, Gibbard, R, Gilmartin, G, Ginther, B, Gómez, G, Gómez, P I, Goncharov, J L, González Solís, H, Gordon, L T, Goss, K, Gounder, A, Goussiou, N, Graf, G, Graham, P D, Grannis, J A, Green, H, Greenlee, S, Grinstein, L, Groer, P, Grudberg, S, Grünendahl, A, Gupta, S N, Gurzhiev, G, Gutierrez, P, Gutierrez, N J, Hadley, H, Haggerty, S, Hagopian, V, Hagopian, K S, Hahn, R E, Hall, P, Hanlet, S, Hansen, J M, Hauptman, C, Hays, C, Hebert, D, Hedin, A P, Heinson, U, Heintz, T, Heuring, R, Hirosky, J D, Hobbs, B, Hoeneisen, J S, Hoftun, S, Hou, Y, Huang, A S, Ito, S A, Jerger, R, Jesik, K, Johns, M, Johnson, A, Jonckheere, M, Jones, H, Jöstlein, A, Juste, S, Kahn, E, Kajfasz, D, Karmanov, D, Karmgard, R, Kehoe, S K, Kim, B, Klima, C, Klopfenstein, B, Knuteson, W, Ko, J M, Kohli, A V, Kostritskiy, J, Kotcher, A V, Kotwal, A V, Kozelov, E A, Kozlovsky, J, Krane, M R, Krishnaswamy, S, Krzywdzinski, M, Kubantsev, S, Kuleshov, Y, Kulik, S, Kunori, V E, Kuznetsov, G, Landsberg, A, Leflat, F, Lehner, J, Li, Q Z, Li, J G, Lima, D, Lincoln, S L, Linn, J, Linnemann, R, Lipton, A, Lucotte, L, Lueking, C, Lundstedt, A K, Maciel, R J, Madaras, V, Manankov, H S, Mao, T, Marshall, M I, Martin, R D, Martin, K M, Mauritz, B, May, A A, Mayorov, R, McCarthy, J, McDonald, T, McMahon, H L, Melanson, X C, Meng, M, Merkin, K W, Merritt, C, Miao, H, Miettinen, D, Mihalcea, A, Mincer, C S, Mishra, N, Mokhov, N K, Mondal, H E, Montgomery, R W, Moore, M, Mostafa, H, da Motta, E, Nagy, F, Nang, M, Narain, V S, Narasimham, H A, Neal, J P, Negret, S, Negroni, D, Norman, L, Oesch, V, Oguri, B, Olivier, N, Oshima, P, Padley, L J, Pan, A, Para, N, Parashar, R, Partridge, N, Parua, M, Paterno, A, Patwa, B, Pawlik, J, Perkins, M, Peters, O, Peters, R, Piegaia, H, Piekarz, B G, Pope, E, Popkov, H B, Prosper, S, Protopopescu, J, Qian, P Z, Quintas, R, Raja, S, Rajagopalan, E, Ramberg, P A, Rapidis, N W, Reay, S, Reucroft, J, Rha, M, Rijssenbeek, T, Rockwell, M, Roco, P, Rubinov, R, Ruchti, J, Rutherfoord, A, Santoro, L, Sawyer, R D, Schamberger, H, Schellman, A, Schwartzman, J, Sculli, N, Sen, E, Shabalina, H C, Shankar, R K, Shivpuri, D, Shpakov, M, Shupe, R A, Sidwell, V, Simak, H, Singh, J B, Singh, V, Sirotenko, P, Slattery, E, Smith, R P, Smith, R, Snihur, G R, Snow, J, Snow, S, Snyder, J, Solomon, V, Sorín, M, Sosebee, N, Sotnikova, K, Soustruznik, M, Souza, N R, Stanton, G, Steinbrück, R W, Stephens, M L, Stevenson, F, Stichelbaut, D, Stoker, V, Stolin, D A, Stoyanova, M, Strauss, K, Streets, M, Strovink, L, Stutte, A, Sznajder, W, Taylor, S, Tentindo-Repond, J, Thompson, D, Toback, S M, Tripathi, T G, Trippe, A S, Turcot, P M, Tuts, P, van Gemmeren, V, Vaniev, R, Van Kooten, N, Varelas, A A, Volkov, A P, Vorobiev, H D, Wahl, H, Wang, Z M, Wang, J, Warchol, G, Watts, M, Wayne, H, Weerts, A, White, J T, White, D, Whiteson, J A, Wightman, D A, Wijngaarden, S, Willis, S J, Wimpenny, J V, Wirjawan, J, Womersley, D R, Wood, R, Yamada, P, Yamin, T, Yasuda, K, Yip, S, Youssef, J, Yu, Z, Yu, M, Zanabria, H, Zheng, Z, Zhou, Z H, Zhu, M, Zielinski, D, Zieminska, A, Zieminski, V, Zutshi, E G, Zverev, and A, Zylberstejn
Subjects: High Energy Physics::Experiment, Nuclear Experiment
Abstract: The D0 Collaboration has measured the inclusive jet cross section in barpp collisions at square root of s = 630 GeV. The results for pseudorapidities (eta)
Published: 2001

47. Inclusive jet production in pp(macro) collisions

Author: B, Abbott, A, Abdesselam, M, Abolins, V, Abramov, B S, Acharya, D L, Adams, M, Adams, G A, Alves, N, Amos, E W, Anderson, M M, Baarmand, V V, Babintsev, L, Babukhadia, T C, Bacon, A, Baden, B, Baldin, P W, Balm, S, Banerjee, E, Barberis, P, Baringer, J F, Bartlett, U, Bassler, D, Bauer, A, Bean, M, Begel, A, Belyaev, S B, Beri, G, Bernardi, I, Bertram, A, Besson, R, Beuselinck, V A, Bezzubov, P C, Bhat, V, Bhatnagar, M, Bhattacharjee, G, Blazey, S, Blessing, A, Boehnlein, N I, Bojko, F, Borcherding, A, Brandt, R, Breedon, G, Briskin, R, Brock, G, Brooijmans, A, Bross, D, Buchholz, M, Buehler, V, Buescher, V S, Burtovoi, J M, Butler, F, Canelli, W, Carvalho, D, Casey, Z, Casilum, H, Castilla-Valdez, D, Chakraborty, K M, Chan, S V, Chekulaev, D K, Cho, S, Choi, S, Chopra, J H, Christenson, M, Chung, D, Claes, A R, Clark, J, Cochran, L, Coney, B, Connolly, W E, Cooper, D, Coppage, M A, Cummings, D, Cutts, G A, Davis, K, Davis, K, De, K, Del Signore, M, Demarteau, R, Demina, P, Demine, D, Denisov, S P, Denisov, S, Desai, H T, Diehl, M, Diesburg, G, Di Loreto, S, Doulas, P, Draper, Y, Ducros, L V, Dudko, S, Duensing, L, Duflot, S R, Dugad, A, Dyshkant, D, Edmunds, J, Ellison, V D, Elvira, R, Engelmann, S, Eno, G, Eppley, P, Ermolov, O V, Eroshin, J, Estrada, H, Evans, V N, Evdokimov, T, Fahland, S, Feher, D, Fein, T, Ferbel, H E, Fisk, Y, Fisyak, E, Flattum, F, Fleuret, M, Fortner, K C, Frame, S, Fuess, E, Gallas, A N, Galyaev, M, Gao, V, Gavrilov, R J, Genik, K, Genser, C E, Gerber, Y, Gershtein, R, Gilmartin, G, Ginther, B, Gómez, G, Gómez, P I, Goncharov, J L, González Solís, H, Gordon, L T, Goss, K, Gounder, A, Goussiou, N, Graf, G, Graham, P D, Grannis, J A, Green, H, Greenlee, S, Grinstein, L, Groer, S, Grünendahl, A, Gupta, S N, Gurzhiev, G, Gutierrez, P, Gutierrez, N J, Hadley, H, Haggerty, S, Hagopian, V, Hagopian, K S, Hahn, R E, Hall, P, Hanlet, S, Hansen, J M, Hauptman, C, Hays, C, Hebert, D, Hedin, A P, Heinson, U, Heintz, T, Heuring, R, Hirosky, J D, Hobbs, B, Hoeneisen, J S, Hoftun, S, Hou, Y, Huang, R, Illingworth, A S, Ito, M, Jaffré, S A, Jerger, R, Jesik, K, Johns, M, Johnson, A, Jonckheere, M, Jones, H, Jöstlein, A, Juste, S, Kahn, E, Kajfasz, D, Karmanov, D, Karmgard, S K, Kim, B, Klima, C, Klopfenstein, B, Knuteson, W, Ko, J M, Kohli, A V, Kostritskiy, J, Kotcher, A V, Kotwal, A V, Kozelov, E A, Kozlovsky, J, Krane, M R, Krishnaswamy, S, Krzywdzinski, M, Kubantsev, S, Kuleshov, Y, Kulik, S, Kunori, V E, Kuznetsov, G, Landsberg, A, Leflat, C, Leggett, F, Lehner, J, Li, Q Z, Li, J G, Lima, D, Lincoln, S L, Linn, J, Linnemann, R, Lipton, A, Lucotte, L, Lueking, C, Lundstedt, C, Luo, A K, Maciel, R J, Madaras, V, Manankov, H S, Mao, T, Marshall, M I, Martin, R D, Martin, K M, Mauritz, B, May, A A, Mayorov, R, McCarthy, J, McDonald, T, McMahon, H L, Melanson, X C, Meng, M, Merkin, K W, Merritt, C, Miao, H, Miettinen, D, Mihalcea, C S, Mishra, N, Mokhov, N K, Mondal, H E, Montgomery, R W, Moore, M, Mostafa, H, da Motta, E, Nagy, F, Nang, M, Narain, V S, Narasimham, H A, Neal, J P, Negret, S, Negroni, D, Norman, T, Nunnemann, L, Oesch, V, Oguri, B, Olivier, N, Oshima, P, Padley, L J, Pan, K, Papageorgiou, A, Para, N, Parashar, R, Partridge, N, Parua, M, Paterno, A, Patwa, B, Pawlik, J, Perkins, M, Peters, O, Peters, P, Pétroff, R, Piegaia, H, Piekarz, B G, Pope, E, Popkov, H B, Prosper, S, Protopopescu, J, Qian, P Z, Quintas, R, Raja, S, Rajagopalan, E, Ramberg, P A, Rapidis, N W, Reay, S, Reucroft, J, Rha, M, Ridel, M, Rijssenbeek, T, Rockwell, M, Roco, P, Rubinov, R, Ruchti, J, Rutherfoord, A, Santoro, L, Sawyer, R D, Schamberger, H, Schellman, A, Schwartzman, N, Sen, E, Shabalina, R K, Shivpuri, D, Shpakov, M, Shupe, R A, Sidwell, V, Simak, H, Singh, J B, Singh, V, Sirotenko, P, Slattery, E, Smith, R P, Smith, R, Snihur, G R, Snow, J, Snow, S, Snyder, J, Solomon, V, Sorín, M, Sosebee, N, Sotnikova, K, Soustruznik, M, Souza, N R, Stanton, G, Steinbrück, R W, Stephens, F, Stichelbaut, D, Stoker, V, Stolin, D A, Stoyanova, M, Strauss, M, Strovink, L, Stutte, A, Sznajder, W, Taylor, S, Tentindo-Repond, J, Thompson, D, Toback, S M, Tripathi, T G, Trippe, A S, Turcot, P M, Tuts, P, van Gemmeren, V, Vaniev, R, Van Kooten, N, Varelas, A A, Volkov, A P, Vorobiev, H D, Wahl, H, Wang, Z M, Wang, J, Warchol, G, Watts, M, Wayne, H, Weerts, A, White, J T, White, D, Whiteson, J A, Wightman, D A, Wijngaarden, S, Willis, S J, Wimpenny, J V, Wirjawan, J, Womersley, D R, Wood, R, Yamada, P, Yamin, T, Yasuda, K, Yip, S, Youssef, J, Yu, Z, Yu, M, Zanabria, H, Zheng, Z, Zhou, M, Zielinski, D, Zieminska, A, Zieminski, V, Zutshi, E G, Zverev, and A, Zylberstejn
Subjects: High Energy Physics::Experiment, Nuclear Experiment
Abstract: We report a new measurement of the pseudorapidity (eta) and transverse-energy ( E(T)) dependence of the inclusive jet production cross section in pp(macro) collisions at square root of s = 1.8 TeV using 95 pb(-1) of data collected with the D0 detector at the Fermilab Tevatron. The differential cross section d(2)sigma/(dE(T)d eta) is presented up to eta = 3, significantly extending previous measurements. The results are in good overall agreement with next-to-leading order predictions from QCD and indicate a preference for certain parton distribution functions.
Published: 2001

48. Search for electroweak production of single top quarks inpp¯collisions

Author: V.V. Abramov, H. S. Mao, K. M. Mauritz, B. Hoeneisen, M. Diesburg, S. Grünendahl, M. Bhattacharjee, V. Gavrilov, Emanuela Barberis, M. Peters, G. Eppley, P.F. Ermolov, B. May, A. Boehnlein, T. G. Trippe, P. M. Tuts, N. Mokhov, Arnaud Lucotte, S. K. Kim, A. N. Galyaev, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, K. Yip, M. M. Baarmand, V. S. Burtovoi, Sarah Catherine Eno, K. W. Merritt, Anurag Gupta, R. Van Kooten, M. Sosebee, D. K. Cho, J. Snow, C. Klopfenstein, H. da Motta, J. G.R. Lima, S. Fuess, Sharon Hagopian, W. E. Cooper, A. Schwartzman, M. Chung, V. Manankov, S. Duensing, A.S. Dyshkant, N. Parua, Randy Ruchti, Daniel R Claes, G. Steinbrück, Jasvinder A. Singh, Stephen Wimpenny, D. Lincoln, J. Bantly, R. Piegaia, E. Gallas, F. Nang, M. Zanabria, Ron Lipton, L. Sawyer, J. Womersley, A. Zieminski, K. Genser, D. Karmanov, J. M. Hauptman, Cecilia Elena Gerber, S. Negroni, T. McMahon, B. Connolly, V. V. Babintsev, G. Ginther, Darien Wood, Neeti Parashar, Richard Breedon, H. Greenlee, R. Yamada, F. Stichelbaut, D. Fein, V. D. Elvira, O. V. Eroshin, M. Zielinski, J. H. Christenson, Shuichi Kunori, H. E. Fisk, D. Hedin, S. Chopra, R. J. Madaras, Nicholas John Hadley, S. Blessing, Jianming Qian, Alexander Belyaev, K. S. Hahn, V. Buescher, Andrew Brandt, Scott Snyder, R. Engelmann, V. Vaniev, C. S. Mishra, R. Snihur, P. W. Balm, G. Briskin, Jeffrey F. Krane, J. T. White, Daniel John Karmgard, S. N. Gurzhiev, D. A. Wijngaarden, D. Cutts, Wagner Carvalho, Greg Landsberg, A. Zylberstejn, M. Demarteau, T. Heuring, N. Sotnikova, V. Simak, M. Fortner, N. W. Reay, J. Perkins, Patrick Slattery, D. A. Stoyanova, A. S. Turcot, M. Roco, Y. Fisyak, E. Nagy, M. Jones, R. J. Genik, Wendy Taylor, E. A. Kozlovsky, H.E. Miettinen, E. Popkov, C. Hebert, A. Patwa, T. Fahland, Marvin Johnson, S. Doulas, Roger Moore, Gervasio Gomez, E. E. Boos, A. Jonckheere, L. J. Pan, A. V. Kozelov, S. Hansen, E. W. Anderson, P. C. Bhat, D. Shpakov, E. Ramberg, P. Demine, E. G. Zverev, C. Lundstedt, Heriberto Castilla-Valdez, Z. Zhou, J. Solomon, Brad Abbott, G. Watts, K. Del Signore, B. Baldin, P. Gartung, M. H.G. Souza, K. Soustruznik, L. Stutte, V. Oguri, Vasken Hagopian, D. Edmunds, Qiming Li, Michael Begel, M. Paterno, Suyong Choi, T. Rockwell, Iain Alexander Bertram, Kaushik De, P. van Gemmeren, H. Weerts, Z. M. Wang, Michael Rijssenbeek, D. Mihalcea, A. Besson, Lev Dudko, S. Kuleshov, B. Olivier, Andrew White, M. Strovink, A. V. Kotwal, Andre Sznajder, Yuri Gershtein, E. Flattum, R. Gilmartin, S. Krzywdzinski, H. Zheng, P. Hanlet, H. L. Melanson, D. Coppage, F. Borcherding, D. Denisov, D. Casey, J. Kotcher, O. I. Dahl, G. Di Loreto, N. Graf, X. C. Meng, J. P. Negret, S. M. Tripathi, K. M. Chan, Allen Mincer, V. E. Kuznetsov, Jing Li, Y. Kulik, T. Yasuda, A. Baden, R. W. Stephens, G. C. Blazey, T. Marshall, M. L. Stevenson, S. Feher, Meenakshi Narain, G. Graham, Dhiman Chakraborty, K. Streets, U. Bassler, V. N. Evdokimov, Vipin Bhatnagar, A. S. Ito, Gregorio Bernardi, Srinivasan Rajagopalan, L. Oesch, R. L. McCarthy, L. Babukhadia, Robert Hirosky, Thomas Ferbel, D. Stoker, J. Warchol, A. Para, M. Mostafa, N. Amos, R. Partridge, V. A. Bezzubov, R. Demina, H. Evans, C. Hays, H. Jöstlein, R. P. Smith, Alberto Santoro, Z. Yu, H. Haggerty, H. D. Wahl, S. Reucroft, J. F. Bartlett, D. Toback, Gilvan Alves, R. A. Sidwell, John Hobbs, Michael Shupe, Winston Ko, R. E. Hall, B. Gibbard, V. S. Narasimham, J. Estrada, P. A. Rapidis, Suman Bala Beri, O. Peters, John Rutherfoord, P. Padley, M. Strauss, J. Rha, Harrison Prosper, S. Desai, Alexey Volkov, Yu-tin Huang, J. Sculli, A. A. Mayorov, Mary Beth Adams, D. Buchholz, E. Smith, G. A. Davis, Serban Protopopescu, James C. Green, Nikos Varelas, M. I. Martin, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, David H. Adams, Alice Bean, F. Canelli, J. V. D. Wirjawan, Anna Goussiou, Ulrich Heintz, K. A. Johns, J. Thompson, A. P. Heinson, Gregory R Snow, S. R. Hou, Z. H. Zhu, J. L. González Solís, Shashikant Dugad, B. Gómez, Z. Casilum, A. V. Kostritskiy, L. Coney, N. Sen, R. K. Shivpuri, A. Juste, Y. Ducros, K. Gounder, M. A.C. Cummings, B. G. Pope, J. A. Wightman, N. I. Bojko, R. D. Martin, S. Grinstein, B. Knuteson, Haiyan Wang, S.A. Kahn, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, B. Pawlik, D. Norman, Elizaveta Shabalina, S. Youssef, A. P. Vorobiev, R. Raja, Stephan Linn, N. Oshima, L. Groer, Robert Kehoe, R. D. Schamberger, M. A. Kubantsev, V. Zutshi, L. T. Goss, R. Jesik, D. Zieminska, P. Yamin, G. Gutierrez, Peter W. Draper, M. Buehler, J. Yu, N. R. Stanton, V. Stolin, P. Z. Quintas, L. Lueking, V. Sorín, E. Kajfasz, S. A. Jerger, A. Leflat, P. I. Goncharov, H. E. Montgomery, C. Miao, S. Tentindo-Repond, J. McDonald, Philip Baringer, F. Lehner, M. Abolins, S. Banerjee, V. Sirotenko, N. K. Mondal, H. T. Diehl, H. Singh, D. Whiteson, J. Ellison, A. K.A. Maciel, P. Gutierrez, M. Merkin, A. Bross, Raymond Brock, Boaz Klima, P. Rubinov, S. Willis, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, A. R. Clark, Sergey Chekulaev, G. Brooijmans, F. Fleuret, Howard Gordon, and K. C. Frame
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Muon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Electroweak interaction, Tevatron, Electron, Jet (particle physics), 7. Clean energy, 01 natural sciences, law.invention, Nuclear physics, law, 0103 physical sciences, Physics::Accelerator Physics, High Energy Physics::Experiment, Fermilab, 010306 general physics, Collider
Abstract: We present a search for electroweak production of single top quarks in the electron+jets and muon+jets decay channels. The measurements use ≈90pb -1 of data from Run 1 of the Fermilab Tevatron collider, collected at 1.8 TeV with the DO detector between 1992 and 1995. We use events that include a tagging muon, implying the presence of a b jet, to set an upper limit at the 95% confidence level on the cross section for the s-channel process pp→tb+X of 39 pb. The upper limit for the t-channel process pp→tqb+X is 58 pb.
Published: 2000

49. Search forR-parity violation in multilepton final states inpp¯collisions ats=1.8 TeV

Author: L. V. Dudko, T. Joffe-Minor, K. M. Chan, J. S. Hoftun, R. Lipton, V. A. Bezzubov, B. May, D. Coppage, K. Davis, Z. Yu, M. Diesburg, W. Ko, S. A. Jerger, N. Graf, H. T. Diehl, J. L. González Solís, A. Bean, E. Popkov, G. Ginther, M. A.C. Cummings, D. Cullen-Vidal, H. Piekarz, S. P. Denisov, U. Heintz, D. Edmunds, E. Flattum, J. Qian, R. Engelmann, K. W. Merritt, G. Watts, Miguel Mostafa, T. Marshall, A. S. Turcot, R. D. Martin, B. Knuteson, J. V.D. Wirjawan, K. Johns, D. Hedin, D. Karmanov, H. Wang, A. Dyshkant, J. P. Negret, R. Kehoe, J. Warchol, K. De, D. Cutts, R. Van Kooten, C. Miao, M. Demarteau, R. Gilmartin, R. D. Schamberger, S. Chopra, S. Rajagopalan, H. Gordon, Ariel Schwartzman, W. E. Cooper, A. Bross, M. Bhattacharjee, L. Coney, A. Jonckheere, N. K. Mondal, D. A. Stoyanova, P. C. Bhat, M. Narain, E. Smith, H. da Motta, Z. Zhou, H. D. Wahl, M. Merkin, R. Snihur, S. N. Gurzhiev, D. L. Adams, F. Fleuret, V. V. Babintsev, V. Zutshi, U. Bassler, S. Hagopian, M. I. Martin, J. Snow, Mitchell Wayne, A. Mincer, V. S. Narasimham, M. Zanabria, D. Buchholz, A. P. Heinson, S. Youssef, D. Casey, J. Rutherfoord, B. Hoeneisen, H. Weerts, N. Sen, N. Parashar, W. Taylor, V. Manankov, M. H.G. Souza, A. S. Ito, J. Estrada, A. Patwa, S. Krzywdzinski, L. J. Pan, J. A. Wightman, Philip Baringer, J. Linnemann, H. Zheng, L. Stutte, J. M. Hauptman, A. Sznajder, M. Fortner, S. L. Linn, N. W. Reay, M. Adams, N. Mokhov, G. Di Loreto, Z. Casilum, D. Shpakov, C. E. Gerber, J. Sculli, L. T. Goss, R. McCarthy, J. Yu, I. Bertram, D. Chakraborty, K. Del Signore, S. Tentindo-Repond, J. M. Kohli, D. Zieminska, Matthew Jones, S. Eno, S. Fuess, H. E. Montgomery, N. Sotnikova, B. Olivier, A. V. Kostritskiy, G. Eppley, A. Goussiou, F. Canelli, L. Sawyer, S. B. Beri, V. Simak, A. Leflat, J. Womersley, V. D. Elvira, B. Klima, X. F. Song, M. Peters, P. Gartung, A. Baden, D. Fein, J. T. White, B. Baldin, B. Pawlik, D. Mihalcea, S. Mani, M. L. Stevenson, T. L.T. Thomas, P. D. Grannis, L. Oesch, T. Ferbel, P. I. Goncharov, A. Zieminski, P. Draper, T. Fahland, P. Grudberg, D. Toback, S. K. Kim, Q. Z. Li, A. N. Galyaev, J. Ellison, H. S. Mao, A. Juste, D. Claes, P. Rubinov, E. A. Kozlovsky, V. Vaniev, V. Sirotenko, R. Partridge, M. M. Baarmand, S. Doulas, G. Bernardi, A. V. Kozelov, S. Reucroft, M. Abolins, S. Kunori, R. P. Smith, J. B. Singh, M. Johnson, K. C. Frame, H. Greenlee, M. Paterno, K. Gounder, R. Hirosky, P. Z. Quintas, A. K.A. Maciel, S. R. Dugad, V. Stolin, K. S. Hahn, J. Krane, A. Lucotte, R. J. Genik, N. R. Stanton, H. E. Fisk, R. E. Hall, J. Bantly, F. Lehner, N. I. Bojko, H. Evans, S. Kuleshov, B. S. Acharya, T. Heuring, S. Banerjee, E. G. Zverev, M. R. Krishnaswamy, H. Haggerty, M. Kubantsev, T. Rockwell, A. A. Mayorov, G. Landsberg, T. McMahon, C. Klopfenstein, A. Gupta, J. Perkins, P. Hanlet, Y. Ducros, F. Nang, M. Roco, J. McDonald, Y. Kulik, J. Thompson, L. Babukhadia, S. Choi, V. Akimov, M. Chung, T. G. Trippe, P. M. Tuts, M. Sosebee, E. Nagy, J. Li, D. Denisov, H. L. Melanson, Alexander Belyaev, H. Singh, V. Oguri, G. Brooijmans, N. Amos, E. Kajfasz, M. Rijssenbeek, K. Genser, B. Gómez, S. Grünendahl, G. A. Alves, R. K. Shivpuri, J. D. Hobbs, K. Streets, F. Borcherding, J. Cochran, S. Feher, Y. Fisyak, Y. Gershtein, V.V. Abramov, R. Brock, K. M. Mauritz, Z. H. Zhu, V. Hagopian, H. Miettinen, B. C. Choudhary, X. C. Meng, D. Karmgard, R. Breedon, H. A. Neal, G. Briskin, M. Buehler, M. Strovink, M. A. Shupe, Volker Buescher, V. N. Evdokimov, C. Hebert, S. J. Wimpenny, A. Boehnlein, Randy Ruchti, K. Yip, P. Padley, G. Gómez, B. G. Pope, B. Connolly, B. Gibbard, J. A. Green, P. van Gemmeren, N. J. Hadley, J. M. Butler, A. R. Clark, H. Castilla-Valdez, J. G.R. Lima, S. V. Chekulaev, H. Schellman, V. S. Burtovoi, N. Oshima, S. Negroni, A. Zylberstejn, R. Yamada, S. Blessing, J. G. Lu, G. Steinbrück, G. Guglielmo, S. Willis, J. F. Bartlett, H. Jöstlein, C. Lundstedt, G. Gutierrez, C. Hays, D. K. Cho, A. Santoro, F. Stichelbaut, W. Carvalho, R. Raja, K. Soustruznik, L. Lueking, R. A. Sidwell, E. Shabalina, E. Barberis, G. Blazey, S. Protopopescu, A. Para, A. V. Kotwal, J. Solomon, V. Sorín, A. Brandt, S. Hansen, S. Kahn, E. Gallas, B. Abbott, A. A. Volkov, V. Gavrilov, G. R. Snow, A. White, C. S. Mishra, A. P. Vorobiev, P. Ermolov, Harrison Prosper, R. W. Stephens, P. Slattery, D. R. Wood, D. Whiteson, D. Stoker, E. W. Anderson, O. I. Dahl, M. Zielinski, P. Gutierrez, R. Jesik, M. Strauss, R. Piegaia, D. Norman, D. Lincoln, P. Yamin, N. Varelas, O. V. Eroshin, V. Bhatnagar, H. C. Shankar, S. Snyder, J. Kotcher, R. J. Madaras, T. Yasuda, Sebastian Grinstein, J. H. Christenson, and N. Parua
Subjects: Physics, Nuclear and High Energy Physics, Top quark, Particle physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Yukawa potential, Gaugino, Tevatron, Supersymmetry, Lambda, 01 natural sciences, Nuclear physics, Pair production, R-parity, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract: The result of a search for gaugino pair production with a trilepton signature is reinterpreted in the framework of minimal supergravity (MSUGRA) with R-parity violation via leptonic lambda Yukawa couplings. The search used 95 pb(-1) of p (p) over bar collisions at root s = 1.8 TeV recorded by the D empty set detector at the Fermilab Tevatron. A large domain of the MSUGRA parameter space is excluded for lambda(121), lambda(122)greater than or equal to 10(-4).
Published: 2000

50. Probing Balitsky-Fadin-Kuraev-Lipatov dynamics in the dijet cross section at large rapidity intervals in pp collisions at sqrt[s]=1800 and 630 GeV

Author: B, Abbott, M, Abolins, V, Abramov, B S, Acharya, D L, Adams, M, Adams, V, Akimov, G A, Alves, N, Amos, E W, Anderson, M M, Baarmand, V V, Babintsev, L, Babukhadia, A, Baden, B, Baldin, S, Banerjee, J, Bantly, E, Barberis, P, Baringer, J F, Bartlett, U, Bassler, A, Bean, A, Belyaev, S B, Beri, G, Bernardi, I, Bertram, V A, Bezzubov, P C, Bhat, V, Bhatnagar, M, Bhattacharjee, G, Blazey, S, Blessing, A, Boehnlein, N I, Bojko, F, Borcherding, A, Brandt, R, Breedon, G, Briskin, R, Brock, G, Brooijmans, A, Bross, D, Buchholz, V, Buescher, V S, Burtovoi, J M, Butler, W, Carvalho, D, Casey, Z, Casilum, H, Castilla-Valdez, D, Chakraborty, K M, Chan, S V, Chekulaev, W, Chen, D K, Cho, S, Choi, S, Chopra, B C, Choudhary, J H, Christenson, M, Chung, D, Claes, A R, Clark, W G, Cobau, J, Cochran, L, Coney, B, Connolly, W E, Cooper, D, Coppage, D, Cullen-Vidal, M A, Cummings, D, Cutts, O I, Dahl, K, Davis, K, De, K, Del Signore, M, Demarteau, D, Denisov, S P, Denisov, H T, Diehl, M, Diesburg, G, Di Loreto, P, Draper, Y, Ducros, L V, Dudko, S R, Dugad, A, Dyshkant, D, Edmunds, J, Ellison, V D, Elvira, R, Engelmann, S, Eno, G, Eppley, P, Ermolov, O V, Eroshin, J, Estrada, H, Evans, V N, Evdokimov, T, Fahland, S, Feher, D, Fein, T, Ferbel, H E, Fisk, Y, Fisyak, E, Flattum, F, Fleuret, M, Fortner, K C, Frame, S, Fuess, E, Gallas, A N, Galyaev, P, Gartung, V, Gavrilov, R J, Genik, K, Genser, C E, Gerber, Y, Gershtein, B, Gibbard, R, Gilmartin, G, Ginther, B, Gobbi, B, Gómez, G, Gómez, P I, Goncharov, J L, González Solís, H, Gordon, L T, Goss, K, Gounder, A, Goussiou, N, Graf, P D, Grannis, J A, Green, H, Greenlee, S, Grinstein, P, Grudberg, S, Grünendahl, G, Guglielmo, A, Gupta, S N, Gurzhiev, G, Gutierrez, P, Gutierrez, N J, Hadley, H, Haggerty, S, Hagopian, V, Hagopian, K S, Hahn, R E, Hall, P, Hanlet, S, Hansen, J M, Hauptman, C, Hays, C, Hebert, D, Hedin, A P, Heinson, U, Heintz, T, Heuring, R, Hirosky, J D, Hobbs, B, Hoeneisen, J S, Hoftun, A S, Ito, S A, Jerger, R, Jesik, T, Joffe-Minor, K, Johns, M, Johnson, A, Jonckheere, M, Jones, H, Jöstlein, S Y, Jun, A, Juste, S, Kahn, E, Kajfasz, D, Karmanov, D, Karmgard, R, Kehoe, S K, Kim, B, Klima, C, Klopfenstein, B, Knuteson, W, Ko, J M, Kohli, A V, Kostritskiy, J, Kotcher, A V, Kotwal, A V, Kozelov, E A, Kozlovsky, J, Krane, M R, Krishnaswamy, S, Krzywdzinski, M, Kubantsev, S, Kuleshov, Y, Kulik, S, Kunori, G, Landsberg, A, Leflat, F, Lehner, J, Li, Q Z, Li, J G, Lima, D, Lincoln, S L, Linn, J, Linnemann, R, Lipton, J G, Lu, A, Lucotte, L, Lueking, C, Lundstedt, A K, Maciel, R J, Madaras, V, Manankov, S, Mani, H S, Mao, R, Markeloff, T, Marshall, M I, Martin, R D, Martin, K M, Mauritz, B, May, A A, Mayorov, R, McCarthy, J, McDonald, T, McKibben, T, McMahon, H L, Melanson, M, Merkin, K W, Merritt, C, Miao, H, Miettinen, D, Mihalcea, A, Mincer, C S, Mishra, N, Mokhov, N K, Mondal, H E, Montgoemry, M, Mostafa, H, da Motta, E, Nagy, F, Nang, M, Narain, V S, Narasimham, H A, Neal, J P, Negret, S, Negroni, D, Norman, L, Oesch, V, Oguri, B, Olivier, N, Oshima, P, Padley, L J, Pan, A, Para, N, Parashar, R, Partridge, N, Parua, M, Paterno, A, Patwa, B, Pawlik, J, Perkins, M, Peters, R, Piegaia, H, Piekarz, B G, Pope, E, Popkov, H B, Prosper, S, Protopopescu, J, Qian, P Z, Quintas, R, Raja, S, Rajagopalan, N W, Reay, S, Reucroft, M, Rijssenbeek, T, Rockwell, M, Roco, P, Rubinov, R, Ruchti, J, Rutherfoord, A, Santoro, L, Sawyer, R D, Schamberger, H, Schellman, A, Schwartzman, J, Sculli, N, Sen, E, Shabalina, H C, Shankar, R K, Shivpuri, D, Shpakov, M, Shupe, R A, Sidwell, H, Singh, J B, Singh, V, Sirotenko, P, Slattery, E, Smith, R P, Smith, R, Snihur, G R, Snow, J, Snow, S, Snyder, J, Solomon, X F, Song, V, Sorín, M, Sosebee, N, Sotnikova, M, Souza, N R, Stanton, G, Steinbrück, R W, Stephens, M L, Stevenson, F, Stichelbaut, D, Stoker, V, Stolin, D A, Stoyanova, M, Strauss, K, Streets, M, Strovink, L, Stutte, A, Sznajder, J, Tarazi, W, Taylor, S, Tentindo-Repond, T L, Thomas, J, Thompson, D, Toback, T G, Trippe, A S, Turcot, P M, Tuts, P, van Gemmeren, V, Vaniev, N, Varelas, A A, Volkov, A P, Vorobiev, H D, Wahl, H, Wang, J, Warchol, G, Watts, M, Wayne, H, Weerts, A, White, J T, White, D, Whiteson, J A, Wightman, S, Willis, S J, Wimpenny, J V, Wirjawan, J, Womersley, D R, Wood, R, Yamada, P, Yamin, T, Yasuda, K, Yip, S, Youssef, J, Yu, Z, Yu, M, Zanabria, H, Zheng, Z, Zhou, Z H, Zhu, M, Zielinski, D, Zieminska, A, Zieminski, V, Zutshi, E G, Zverev, and A, Zylberstejn
Abstract: Inclusive dijet production at large pseudorapidity intervals (Deltaeta) between the two jets has been suggested as a regime for observing Balitsky-Fadin-Kuraev-Lipatov (BFKL) dynamics. We have measured the dijet cross section for large Deltaeta in pp collisions at sqrt[s]=1800 and 630 GeV using the D0 detector. The partonic cross section increases strongly with the size of Deltaeta. The observed growth is even stronger than expected on the basis of BFKL resummation in the leading logarithmic approximation. The growth of the partonic cross section can be accommodated with an effective BFKL intercept of alphaBFKL(20 GeV)=1.65+/-0.07.
Published: 2000

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