Author: "C. Cretsinger" / Topic: nuclear physics - Searchworks@Jio Institute Digital Library Search Results

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45 results on '"C. Cretsinger"'

1. 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

2. 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

3. 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

4. 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

5. 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

6. Measurement of the Shape of the Transverse Momentum Distribution ofWBosons Produced inpp¯Collisions at√s=1.8TeV

Author: A. Brandt, T. Joffe-Minor, M. I. Martin, S. A. Jerger, Z. Zhou, J. Solomon, Joan A. Guida, G. E. Forden, A. P. Heinson, A. Leflat, H. E. Montgomery, G. Di Loreto, E. Flattum, S. Krzywdzinski, W. G. Cobau, M. D. Jones, J. Snow, R. E. Hall, J. L. González Solís, J. M. Hauptman, Cecilia Elena Gerber, Z. Casilum, Jianming Qian, Srinivasan Rajagopalan, Thomas Ferbel, Heriberto Castilla-Valdez, L. T. Goss, G. Wang, Alberto Santoro, J. G.R. Lima, G. Kalbfleisch, Seong Keun Kim, Tong Hu, B. Baldin, J. McDonald, E. G. Zverev, H. D. Wahl, B. May, M. Chung, B. Hoeneisen, J. Yang, R. Snihur, D. Owen, K. Streets, V. A. Bezzubov, J. P. Negret, H. Jöstlein, R. P. Smith, Robert Hirosky, M. Tartaglia, Vipin Bhatnagar, M. Diesburg, Haifeng Li, S. M. Chang, B. Gobbi, R. Partridge, Anurag Gupta, S. Banerjee, J. Tarazi, A. Zylberstejn, M. Fortner, J. Perkins, Andrew White, A. N. Galyaev, K. S. Hahn, D. Cutts, Greg Landsberg, Michael Shupe, P. Padley, Alexey Volkov, James H Cochran, Mitchell Wayne, P. Mooney, H. Schellman, J. M. Kohli, E. Smith, Elizabeth Gallas, C. Yoshikawa, A. Para, L. Sawyer, K. Genser, S. Grünendahl, W. Y. Chen, J. Kourlas, V. Balamurali, Gilvan Alves, Y. Ducros, D. Norman, J. Jaques, C. L. Kim, J. Thompson, Jasvinder A. Singh, D. Koltick, H. S. Mao, D. L. Adams, M. L. Kelly, D. Stewart, S. N. Gurzhiev, P. Yamin, John Hobbs, T. L. Geld, B. G. Pope, T. Yasuda, S. C. Loken, Z. H. Zhu, Ron Lipton, Vasken Hagopian, A. V. Kotwal, Howard Gordon, V. S. Narasimham, K. C. Frame, Young-Sang Yu, Harrison Prosper, M. Paterno, Serban Protopopescu, H. Weerts, S. Mani, A. Narayanan, O. Ramirez, J. Womersley, Shashikant Dugad, W. Smart, B. Gibbard, A. L. Lyon, Shuichi Kunori, Lev Dudko, C. Klopfenstein, R. Madden, D. Karmanov, M. Demarteau, L. P. Chen, Daniel R Claes, Ting Hu, L. Rasmussen, Elizaveta Shabalina, T. Fahland, T. Huehn, C. Murphy, M. Sosebee, Peter W. Draper, R. Astur, Alexander Belyaev, A. Zieminski, A. A. Mayorov, U. Heintz, T. Heuring, D. Fein, Dhiman Chakraborty, H. E. Fisk, A. S. Ito, Brajesh C Choudhary, D. Lincoln, A. V. Kostritskiy, J. Sculli, I. Adam, P. Rubinov, N. Amos, R. Yamada, G. Gutierrez, M. K. Fatyga, A. Boehnlein, R. Raja, Stephan Linn, J. Bantly, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, D. Casey, K. W. Merritt, Victor Daniel Elvira, L. Coney, T. McKibben, J. Yu, N. Oshima, Erich Varnes, P. Hanlet, M. Bhattacharjee, J. Kotcher, R. Hernández-Montoya, R. D. Schamberger, D. A. Stoyanova, V. Manankov, F. Borcherding, Yanwen Liu, J. F. Bartlett, V. Gavrilov, S. Kuleshov, M. M. Baarmand, D. Denisov, Daniel John Karmgard, S. Grinstein, J. M. Guida, D. Hedin, Sarah Catherine Eno, P. Bloom, J. A. Wightman, T. G. Trippe, G. Finocchiaro, L. Magaña-Mendoza, Nikos Varelas, S. Y. Jun, T. L.T. Thomas, G. Steinbrück, P. Z. Quintas, Alexander Vorobiev, R. K. Shivpuri, K. Gounder, C. S. Mishra, K. M. Mauritz, Emanuela Barberis, J. Z.Y. Jiang, N. Sotnikova, Gordon Watts, J. Krane, B. Lauer, M. A.C. Cummings, N. Mokhov, M. Merkin, M. Roco, N. I. Bojko, R. Engelmann, P.F. Ermolov, O. I. Dahl, V. Sirotenko, Gervasio Gomez, O. V. Eroshin, J. Balderston, F. Lobkowicz, F. Nang, Sharon Hagopian, A. K.A. Maciel, E. W. Anderson, E. A. Kozlovsky, A. Baden, H.E. Miettinen, H. L. Melanson, Phillip Gutierrez, S.A. Kahn, N. Graf, S. P. Denisov, P. Grudberg, P. Gartung, G. C. Blazey, W. E. Cooper, E. Oltman, S. Reucroft, Jing Li, P. C. Bhat, R. Jesik, A. Bross, Raymond Brock, Boaz Klima, C. Shaffer, D. Cullen-Vidal, T. Rockwell, Iain Alexander Bertram, A. Goldschmidt, M. R. Krishnaswamy, K. Del Signore, Brad Abbott, V. S. Burtovoi, J. T. White, N. N. Biswas, F. Hsieh, A. R. Clark, R. Piegaia, J. H. Christenson, D. Pušeljić, S. Chopra, Jian Kang, Allen Mincer, Michael Rijssenbeek, Sergey Chekulaev, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, F. Landry, John Rutherfoord, Hiroaki Aihara, N. Parua, H. Piekarz, S.H. Ahn, S. Lökös, S. Willis, Kaushik De, K. A. Johns, T. McMahon, Mary Beth Adams, L. Babukhadia, P. M. Tuts, H. Haggerty, S. Youssef, S. Choi, V. N. Evdokimov, R. W. Stephens, S. Feher, J. V. D. Wirjawan, G. Guglielmo, A. Sanchez-Hernandez, Robert Kehoe, V. Oguri, Stephen Wimpenny, Q. Z. Li-Demarteau, Eunil Won, B. Pawlik, D. R. Green, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, S. Hansen, F. Stichelbaut, R. J. Madaras, D. Buchholz, M. L. Stevenson, Edilamar Menezes de Oliveira, Randy Ruchti, Y. Pischalnikov, J. Warchol, P. Tamburello, Heng Xu, Anna Goussiou, M. Narain, Gregory R Snow, M. H.G. Souza, P. Yepes, A. L. Spadafora, P. I. Goncharov, C. K. Jung, V. Stolin, L. Lueking, M. Abolins, N. K. Mondal, H. T. Diehl, H. Singh, J. Ellison, G. Eppley, H. da Motta, D. Zieminska, S. Fuess, Y. Fisyak, H. Greenlee, B. Gómez, S. Glenn, J. McKinley, Y. M. Park, Wagner Carvalho, R. L. McCarthy, Marvin Johnson, T. Marshall, D. Vititoe, R. J. Genik, A. V. Kozelov, Peter Nemethy, A. Jonckheere, D. Edmunds, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Oesch, D. P. Stoker, Michael A. Strauss, C. Boswell, Suman Bala Beri, C. Cretsinger, M. Strovink, and E. James
Subjects: Quantum chromodynamics, Physics, Particle physics, High Energy Physics::Phenomenology, General Physics and Astronomy, Elementary particle, Particle detector, Nuclear physics, High Energy Physics::Experiment, Fermilab, Perturbation theory (quantum mechanics), Resummation, Quantum field theory, Nuclear Experiment, Boson
Abstract: The shape of the transverse momentum distribution of W bosons (p_T(W)) produced in pbarp collisions at sqrt(s)= 1.8 TeV is measured with the DO detector at Fermilab. The result is compared to QCD perturbative and resummation calculations over the p_T(W) range from 0-200 GeV/c. The shape of the distribution is consistent with the theoretical prediction.
Published: 1998

7. A Measurement of theWBoson Mass at the Fermilabpp¯Collider

Author: D. Cutts, G. Eppley, P. Padley, Alexey Volkov, Greg Landsberg, James H Cochran, J. G.R. Lima, N. Parua, Matthew Jones, Mitchell Wayne, A. S. Ito, H. Schellman, J. M. Kohli, Pm Tuts, C. Cretsinger, T. L. Geld, Natalie A. Roe, M. Strovink, D. Stewart, D. Buchholz, Edilamar Menezes de Oliveira, Stefan Grünendahl, E. James, R. L. McCarthy, R. K. Shivpuri, M. Tartaglia, Q. Z. Li-Demarteau, Peter Nemethy, M. Roco, J. Thompson, S. A. Jerger, T. Joffe-Minor, A. Leflat, Robert Hirosky, B. Gómez, Z. H. Zhu, M. Paterno, S. N. Gurzhiev, P. Tamburello, Heng Xu, Anna Goussiou, Kaushik De, Shashikant Dugad, Randy Ruchti, W. Y. Chen, W. G. Cobau, M. I. Martin, J. S. Kang, Gilvan Alves, J. McDonald, George R. Kalbfleisch, H. E. Fisk, A. Baden, G. C. Blazey, C. S. Mishra, V. S. Narasimham, G. Guglielmo, J. M. Guida, D. Hedin, A. A. Mayorov, J. Jaques, S. Glenn, J. McKinley, M. K. Fatyga, G. Steinbrück, Gregory R Snow, Vasken Hagopian, H. Weerts, Lev Dudko, D. A. Stoianova, Wagner Carvalho, S. Banerjee, J. Snow, S. H. Ahn, K. M. Mauritz, V. A. Bezzubov, E. W. Anderson, J. P. Negret, J. Solomon, P. Yamin, R. P. Smith, K. Streets, Vipin Bhatnagar, S. Fuess, F. Landry, John Rutherfoord, A. N. Galyaev, V. Balamurali, D. P. Stoker, T. McKibben, H. Aihara, S. Lami, P.F. Ermolov, B. Gibbard, E. G. Zverev, Michael Shupe, R. Partridge, Ron Lipton, Andrew White, T. McMahon, Y. E. Gutnikov, S. Mani, Mary Beth Adams, D. Vititoe, J. Womersley, Alexander Vorobiev, R. Jesik, R. J. Genik, J. Sculli, Allen Mincer, Michael A. Strauss, A. L. Spadafora, V. S. Burtovoi, Haifeng Li, R. Madden, C. Murphy, P. I. Goncharov, J. Kourlas, Sebastian Grinstein, John Hobbs, A. V. Kotwal, Harrison Prosper, Gordon Watts, C. L. Kim, V. Sirotenko, L. Rasmussen, R. Astur, Nikos Varelas, F. Borcherding, O. V. Eroshin, M. Bhattacharjee, C. Boswell, Peter W. Draper, Meenakshi Narain, A. V. Kostritskiy, Pushpalatha C Bhat, Joan A. Guida, W. E. Cooper, L. P. Chen, Daniel R Claes, I. Adam, P. Rubinov, Young-Sang Yu, Stephen Wimpenny, Phillip Gutierrez, Nikolai Mokhov, T. Heuring, R. J. Madaras, K. Gounder, J. M. Hauptman, Cecilia Elena Gerber, H. Da-Motta, T. G. Trippe, Sissel Hansen, L. Coney, Suman Bala Beri, T. Fahland, T. Marshall, B. Lauer, M. A.C. Cummings, G. P. Grim, R. W. Stephens, A. Narayanan, B. G. Pope, Darien Wood, D. Karmanov, K. W. Merritt, J. F. Bartlett, E. Flattum, Nicholas John Hadley, Marvin Johnson, M. M. Baarmand, Sarah Catherine Eno, S. Blessing, B. Hoeneisen, Lee Sawyer, Scott Snyder, H. S. Mao, D. Denisov, Jianming Qian, E. Smith, A. V. Kozelov, Sharon Hagopian, D. Edmunds, R. Markeloff, A. K.A. Maciel, V. Manankov, Elizaveta Shabalina, L. Magaña-Mendoza, M. Sosebee, Heriberto Castilla-Valdez, F. Lobkowicz, Srinivasan Rajagopalan, M. Merkin, J. T. White, Andre Sznajder, Dan Green, T. Rockwell, Iain Alexander Bertram, D. L. Adams, C. K. Jung, M. D. Peters, Yanwen Liu, E. Oltman, J. Bantly, L. Lueking, Brajesh C Choudhary, Vyacheslav Klyukhin, Michael Rijssenbeek, F. Nang, Raymond Brock, Boaz Klima, L. Oesch, B. May, Tong Hu, R. Piegaia, K. Bazizi, D. Norman, R. Snihur, Y. M. Park, M. Chung, S.A. Kahn, S. Willis, V. N. Evdokimov, Andrew Brandt, R. Engelmann, S. M. Chang, H.E. Miettinen, B. Gobbi, B. Pawlik, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, D.S. Koltick, Anurag Gupta, Jinhong Yu, A. Klatchko, K. Del-Signore, T. Yasuda, J. Linnenmann, M. Demarteau, Dhiman Chakraborty, J. Kotcher, M. Abolins, O. I. Dahl, N. Graf, N. K. Mondal, H. T. Diehl, H. Singh, G. Wang, Alberto Santoro, Seong Keun Kim, A. Boehnlein, P. M. Sood, H. L. Melanson, P. Z. Quintas, A. Jonckheere, Stephan Linn, J. Ellison, Y. Fisyak, J. H. Christenson, N. Oshima, Daria Zieminska, R. D. Schamberger, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, G. Diloreto, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, F. Hsieh, A. R. Clark, A. Para, Sergey Chekulaev, T. Huehn, D. Fein, Erich Varnes, Daniel John Karmgard, N. Grossman, Y. Pischalnikov, Ulrich Heintz, F. Stichelbaut, H. Jöstlein, M. Diesburg, D. Owen, V. Oguri, Jing Li, J. Tarazi, S. Krzywdzinski, A. L. Lyon, Shuichi Kunori, V. I. Kochetkov, Alexander Belyaev, M. L. Stevenson, S. Feher, Ting Hu, P. Hanlet, A. Zylberstejn, Gervasio Gomez, J. Warchol, A. Zieminski, G. Finocchiaro, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, H. Greenlee, H. D. Wahl, N. N. Biswas, R. Yamanda, P. Mooney, S. Chopra, S. Reucroft, T. Ferbel, C. Yoshikawa, A. Bross, M. H.G. Souza, Serban Protopopescu, P. Yepes, H. E. Montgomery, S. Y. Jun, J. V.D. Wirjawan, T. L.T. Thomas, P. Gartung, Emanuela Barberis, D. Casey, G. E. Forden, A. P. Heinson, J. Z.Y. Jiang, Elizabeth Gallas, L. T. Goss, R. E. Hall, J. L. González Solís, C. Klopfenstein, Z. Casilum, W. Smart, K. A. Johns, R. Hernández-Montoya, N. Sotnikova, E. A. Kozlovski, J. Krane, Rajendran Raja, H. Haggerty, S. Lökös, Brad Abbott, J. Yang, V. M. Podstavkov, P. Bloom, J. A. Wightman, M. Fortner, N. I. Bojko, J. Perkins, S. C. Loken, N. Amos, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, B. Baldin, Y. Ducros, J. B. Singh, Victor Daniel Elvira, S. Youssef, S. Choi, A. Sanchez-Hernandez, Robert Kehoe, J. Balderston, R. L. Lander, D. Lincoln, Eunil Won, and K. S. Hahn
Subjects: Physics, Particle physics, Luminosity (scattering theory), High Energy Physics::Phenomenology, Detector, Tevatron, General Physics and Astronomy, law.invention, Nuclear physics, law, Transverse mass, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Collider, Boson
Abstract: We report a measurement of the W boson mass based on an integrated luminosity of 82 pb −1 from pp collisions at √s = 1.8 TeV recorded in 1994-1995 by the D0 detector at the Fermilab Tevatron. We identify W bosons by their decays to e∨ V and extract the mass by fitting the transverse mass spectrum from 28 323 W boson candidates. A sample of 3563 dielectron events, mostly due to Z→ee decays, constrains models of W boson production and the detector. We measure M W = 80.44±0.10(stat)±0.07(syst) GeV. By combining this measurement with our result form the 1992-1993 data set, we obtain M W = 80.43±0.11 GeV.
Published: 1998

8. Zγproduction inpp¯collisions ats=1.8TeVand limits on anomalousZZγandZγγcouplings

Author: G. Eppley, A. Jonckheere, P. Padley, Alexey Volkov, A. P. Vorobiev, Stephan Linn, S. P. Denisov, Ulrich Heintz, J. Jaques, H. da Motta, J. G.R. Lima, Y. Fisyak, S. Krzywdzinski, R. Lander, R. D. Schamberger, S. C. Loken, M. R. Krishnaswamy, Mitchell Wayne, H. Schellman, J. M. Kohli, N. Oshima, V. I. Kochetkov, A. S. Ito, M. Diesburg, F. Hsieh, A. R. Clark, Daria Zieminska, Marvin Johnson, L. Magaña-Mendoza, D. Owen, A. Para, Stefan Grünendahl, Sergey Chekulaev, A. L. Lyon, J. Thompson, A. Zylberstejn, Jan M. Guida, A. V. Kozelov, J. Womersley, J. Tarazi, P. Bloom, I. Adam, K. W. Merritt, B. Gómez, Z. H. Zhu, Gordon Watts, V. Sirotenko, H. Greenlee, T. Heuring, J. F. Bartlett, S. Glenn, J. McKinley, N. I. Bojko, Robert Kehoe, Yanwen Liu, Robert Snihur, S. R. Dugad, D. A. Stoianova, O. V. Eroshin, R. Markeloff, Elizabeth Gallas, H. Jostlein, M. L. Kelly, Howard Gordon, K. C. Frame, Joan A. Guida, O. Ramirez, Phillip Gutierrez, Wagner Carvalho, Raymond Brock, Boaz Klima, Gervasio Gomez, J. Cochran, E. G. Zverev, S. M. Chang, K. Gounder, N. Sotnikova, T. Huehn, S. Feher, Ting Hu, D. Fein, Andrew White, Cecilia Elena Gerber, D. Chakraborty, D. Norman, D. Vititoe, Sándor Lökös, J. Yang, G. Di Loreto, R. J. Genik, S. Willis, M. A. Shupe, B. Lauer, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, C. Shaffer, D. Cullen-Vidal, C. S. Mishra, Yu. Pischalnikov, A. Goldschmidt, M. H.G. Souza, Don Lincoln, Erich Varnes, H. E. Montgomery, A. Klatchko, A. Zieminski, M. Pang, C. Cretsinger, Daniel John Karmgard, Jianming Qian, N. N. Biswas, D. Denisov, V. M. Podstavkov, C. Boswell, L. Lueking, Srinivasan Rajagopalan, A. V. Kostritskiy, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, Sissel Hansen, S. Chopra, M. Chung, H. Piekarz, Vasken Hagopian, M. Strovink, E. James, Thomas Ferbel, H. Weerts, M. Fortner, P. Grudberg, Y. E. Gutnikov, J. Kourlas, Y. M. Park, Tong Hu, R. Jesik, J. Perkins, Suman Bala Beri, C. Klopfenstein, B. G. Pope, R. Hernández-Montoya, H. L. Melanson, P. Z. Quintas, M. Strauss, Peter Nemethy, K. Del Signore, Lev Dudko, H. Lan, John Hobbs, Stephen Wimpenny, C. T. Murphy, A. N. Galyaev, N. Grossman, D. Stewart, K. Bazizi, K. M. Mauritz, P.F. Ermolov, Sebastien Jonathan Kahn, S. N. Gurzhiev, J. M. Hauptman, S. Y. Jun, S. K. Kim, N.V. Mokhov, T. L.T. Thomas, J. H. Christenson, Hiroaki Aihara, M. Bhattacharjee, M. R. Adams, B. May, Young-Sang Yu, M. Abolins, N. A. Roe, Emanuela Barberis, J. Z.Y. Jiang, D. Edmunds, W. E. Cooper, M. Demarteau, Alexander Belyaev, B. Baldin, A. P. Heinson, Y. Ducros, J. B. Singh, P. Gartung, Andre Sznajder, P. M. Tuts, G. P. Grim, M.K. Fatyga, E. Amidi, G. Guglielmo, P. Hanlet, V. S. Burtovoi, T. Marshall, J. V.D. Wirjawan, Matthew Jones, David H. Adams, P. Yamin, R. E. Hall, S. A. Jerger, L. T. Goss, Robert Hirosky, G. Wang, Alberto Santoro, K. S. Hahn, B. S. Acharya, M. D. Peters, T. Fahland, W. M. Smart, J. L. González Solís, Z. Casilum, C. L. Kim, L. Oesch, T. G. Trippe, H. Haggerty, E. W. Anderson, P. Mooney, B. Gobbi, S. Mani, Elizaveta Shabalina, H. A. Neal, H. C. Shankar, M. Goforth, E. A. Kozlovski, W. Y. Chen, Darien Wood, Gilvan Alves, P. Rubinov, T. Joffe-Minor, G. Finocchiaro, Jong-Sung Yu, Victor Daniel Elvira, Marc M Baarmand, Sharon Hagopian, H. E. Fisk, H. D. Wahl, R. Astur, Nicholas John Hadley, Heriberto Castilla-Valdez, Allen Mincer, R. J. Madaras, A. Gupta, D. Cutts, R. Madden, George R. Kalbfleisch, V. S. Narasimham, Q. Z. Li-Demarteau, S. Blessing, G.E. Forden, R. W. Stephens, E. Flattum, J. Solomon, L. Rasmussen, A. K.A. Maciel, Peter W. Draper, S. Youssef, S. Choi, B. C. Choudhary, N. K. Mondal, V. Oguri, Sebastian Grinstein, Scott Snyder, Jing Li, H. T. Diehl, A. A. Mayorov, N. Parua, Randy Ruchti, D. Buchholz, A. D. Bross, S. Reucroft, M. K. Fatyga, T.R. McMahon, M. Paterno, M. L. Stevenson, Robert J. McCarthy, A. Sanchez-Hernandez, J. Snow, S. Protopopescu, D. P. Stoker, T. Yasuda, B. Pawlik, J. Warchol, P. Yepes, R. Piegaia, P. Tamburello, N. Amos, K. Genser, C. Yoshikawa, Heng Xu, Anna Goussiou, A. V. Kotwal, H. Singh, D.R. Green, J. Balderston, J. Krane, A. Boehnlein, Greg Landsberg, B. Gibbard, Rajendran Raja, D. Casey, Meenakshi Narain, J. A. Wightman, J. Kotcher, C. K. Jung, T. McKibben, Gregory R Snow, J. Sculli, Eunil Won, Brad Abbott, S. Lami, N. Graf, Nikos Varelas, R. K. Shivpuri, K. Streets, Vipin Bhatnagar, T. L. Geld, P. M. Sood, Shuichi Kunori, D. R. Claes, K. A. Johns, M. Tartaglia, Kaushik De, J. Ellison, S. Fuess, H. S. Mao, A. Narayanan, A. Baden, G. C. Blazey, W. G. Cobau, M. Sosebee, R. Yamada, S. H. Ahn, Hui Li, Orin I. Dahl, F. Landry, John Rutherfoord, J. Bantly, R. Partridge, James C. Green, F. Borcherding, E. Oltman, Sarah Catherine Eno, Andrew Brandt, R. Engelmann, Liu Chen, Vyacheslav Klyukhin, H.E. Miettinen, F. Nang, Richard B. Lipton, A. L. Spadafora, P. I. Goncharov, A. Leflat, M. I. Martin, F. Stichelbaut, J. S. Kang, J. McDonald, S. Banerjee, V. Balamurali, M. Merkin, D. Hedin, P. C. Bhat, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, V. N. Evdokimov, D.S. Koltick, J. T. Linnemann, V. A. Bezzubov, J. P. Negret, R. P. Smith, Harrison Prosper, and J. T. White
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics
Published: 1998

9. Search for First Generation Scalar Leptoquark Pairs inpp¯Collisions ats=1.8TeV

Author: W. Y. Chen, Gilvan Alves, J. T. White, George R. Kalbfleisch, V. S. Narasimham, A. A. Mayorov, W. G. Cobau, C. T. Murphy, W. M. Smart, J. Snow, P. Hanlet, M. Sosebee, B. Gibbard, Hui Li, T. G. Trippe, A. Klatchko, P. Bloom, J. Bantly, D. Hedin, M. Chung, K. Streets, Vipin Bhatnagar, J. Sculli, H. S. Mao, B. May, Sharon Hagopian, A. K.A. Maciel, J. V.D. Wirjawan, N. I. Bojko, L. Lueking, Nikos Varelas, S. Reucroft, C. Yoshikawa, G. Eppley, Ulrich Heintz, Andrew Brandt, S. P. Denisov, R. Engelmann, P. C. Bhat, Liu Chen, F. Lobkowicz, K. Del Signore, M. A. Shupe, R. K. Shivpuri, G. Guglielmo, G. Finocchiaro, B. Gobbi, R. Piegaia, M. Diesburg, L. Magaña-Mendoza, H. da Motta, J. G.R. Lima, M. R. Krishnaswamy, T. Rockwell, Iain Alexander Bertram, M. Abolins, Marc M Baarmand, Michael Rijssenbeek, D. R. Claes, Hiroaki Aihara, H.E. Miettinen, D. Owen, H. D. Wahl, Georg Steinbrueck, P. Yepes, N. Amos, K. Genser, P. M. Tuts, G. P. Grim, F. Hsieh, J. S. Hoftun, K. Davis, J. N. Butler, M. Tartaglia, P. Mooney, J. Tarazi, D. Stewart, V. Oguri, P. D. Grannis, H. Piekarz, A. R. Clark, Sebastien Jonathan Kahn, A. S. Ito, G.E. Forden, A. Para, V. N. Evdokimov, S. N. Gurzhiev, E. W. Anderson, Rajendran Raja, Kaushik De, D.S. Koltick, T. Huehn, J. T. Linnemann, D. Fein, D. Chakraborty, N. K. Mondal, H. T. Diehl, J. M. Hauptman, Sergey Chekulaev, H. A. Neal, H. C. Shankar, Gervasio Gomez, M. Goforth, H. Singh, T.R. McMahon, M. Paterno, M. L. Stevenson, S. M. Chang, Raymond Brock, Boaz Klima, V. A. Bezzubov, J. P. Negret, J. Krane, J. Warchol, S. Youssef, S. Choi, R. P. Smith, Brad Abbott, T. Yasuda, Shuichi Kunori, K. A. Johns, A. Boehnlein, A. D. Bross, Robert J. McCarthy, C. S. Mishra, P. M. Sood, I. Adam, D. Norman, A. Sanchez-Hernandez, J. Ellison, Don Lincoln, Erich Varnes, Daniel John Karmgard, Elizabeth Gallas, C. Shaffer, D. Cullen-Vidal, A. Goldschmidt, H. Jostlein, S. Fuess, S. Feher, D.R. Green, J. Balderston, Allen Mincer, N. N. Biswas, J. Jaques, Sebastian Grinstein, S. Willis, R. Partridge, R. W. Stephens, Stephen Wimpenny, C. Klopfenstein, K. W. Merritt, J. F. Bartlett, V. Manankov, Robert Kehoe, Harrison Prosper, Ting Hu, S. Chopra, Meenakshi Narain, D. P. Stoker, A. N. Galyaev, Heriberto Castilla-Valdez, B. Knuteson, J. Womersley, T. Marshall, A. V. Kostritskiy, Yanwen Liu, Darien Wood, Eunil Won, R. Hernández-Montoya, A. Zieminski, Sissel Hansen, R. Jesik, D. Karmanov, Nicholas John Hadley, E. G. Zverev, Brajesh C Choudhary, S. Blessing, Joan A. Guida, Robert Snihur, Yu. Pischalnikov, W. E. Cooper, A. Narayanan, Scott Snyder, B. Baldin, N. Sotnikova, L. Coney, Y. Ducros, J. B. Singh, Vasken Hagopian, H. Weerts, M. Demarteau, Jing Li, R. Markeloff, Alexander Belyaev, M. L. Kelly, G. Di Loreto, P. Gartung, M. Merkin, D. Denisov, M.K. Fatyga, K. Bazizi, S. Y. Jun, T. L.T. Thomas, T. Fahland, Jong-Sung Yu, Srinivasan Rajagopalan, B. S. Acharya, Lev Dudko, Thomas Ferbel, M. Strauss, N.V. Mokhov, Victor Daniel Elvira, C. L. Kim, S. A. Jerger, A. L. Spadafora, P. Padley, Alexey Volkov, Y. Fisyak, P. I. Goncharov, James H Cochran, R. Lander, Peter Nemethy, Mitchell Wayne, H. Schellman, J. M. Kohli, Marvin Johnson, A. P. Heinson, A. L. Lyon, S. R. Dugad, Stefan Grünendahl, A. V. Kozelov, J. Thompson, B. Gómez, Z. H. Zhu, R. E. Hall, J. L. González Solís, Howard Gordon, K. C. Frame, O. Ramirez, C. Cretsinger, M. Strovink, E. James, Z. Casilum, S. Krzywdzinski, M. Bhattacharjee, V. I. Kochetkov, Gordon Watts, A. Zylberstejn, Jan M. Guida, H. Greenlee, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, D. Buchholz, Matthew Jones, A. Gupta, Q. Z. Li-Demarteau, P. Tamburello, N. Parua, Randy Ruchti, Heng Xu, T. Heuring, Anna Goussiou, A. V. Kotwal, Andrew White, J. A. Wightman, P. Grudberg, Gregory R Snow, Y. E. Gutnikov, J. Kourlas, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, John Hobbs, M. R. Adams, Young-Sang Yu, N. A. Roe, M. H.G. Souza, E. Flattum, H. E. Montgomery, D. Vititoe, R. J. Genik, E. Smith, K. M. Mauritz, D. Edmunds, P.F. Ermolov, Andre Sznajder, Sándor Lökös, J. Yang, V. S. Burtovoi, M. D. Peters, R. Astur, L. Oesch, V. M. Podstavkov, R. J. Madaras, M. Fortner, C. Boswell, A. Baden, J. Perkins, Suman Bala Beri, G. C. Blazey, R. Yamada, N. Grossman, S. H. Ahn, Emanuela Barberis, J. Z.Y. Jiang, L. T. Goss, Orin I. Dahl, F. Landry, John Rutherfoord, E. A. Kozlovski, R. D. Schamberger, S. C. Loken, F. Borcherding, E. Oltman, Sarah Catherine Eno, Vyacheslav Klyukhin, F. Nang, Richard B. Lipton, K. S. Hahn, D. Cutts, S. Protopopescu, Greg Landsberg, S. Lami, T. L. Geld, G. Wang, Alberto Santoro, H. Haggerty, P. Rubinov, Cecilia Elena Gerber, Jianming Qian, Tong Hu, T. Joffe-Minor, H. E. Fisk, J. Solomon, K. Gounder, B. Lauer, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Y. M. Park, A. Jonckheere, Stephan Linn, N. Oshima, Daria Zieminska, P. Yamin, S. Mani, R. Madden, L. Rasmussen, Peter W. Draper, H. L. Melanson, P. Z. Quintas, S. K. Kim, J. H. Christenson, David H. Adams, B. Pawlik, D. Casey, J. Kotcher, N. Graf, C. K. Jung, T. McKibben, Alexander Vorobiev, B. G. Pope, Elizaveta Shabalina, A. Leflat, M. I. Martin, F. Stichelbaut, J. S. Kang, J. McDonald, S. Banerjee, V. Balamurali, and Robert Hirosky
Subjects: Physics, Particle physics, Branching fraction, Scalar (mathematics), Tevatron, General Physics and Astronomy, law.invention, Nuclear physics, Pair production, law, High Energy Physics::Experiment, Leptoquark, Fermilab, Collider, Lepton
Abstract: We have searched for first generation scalar leptoquark (LQ) pairs in the enu+jets channel using ppbar collider data (integrated luminosity= 115 pb^-1) collected by the DZero experiment at the Fermilab Tevatron during 1992-96. The analysis yields no candidate events. We combine the results with those from the ee+jets and nunu+jets channels to obtain 95% confidence level (CL) upper limits on the LQ pair production cross section as a function of mass and of beta, the branching fraction to a charged lepton. Comparing with the next-to-leading order theory, we set 95% CL lower limits on the LQ mass of 225, 204, and 79 GeV/c^2 for beta=1, 1/2, and 0, respectively.
Published: 1998

10. Search for Scalar Leptoquark Pairs Decaying to Electrons and Jets inp¯pCollisions

Author: B. G. Pope, Stephen Wimpenny, Joan A. Guida, V. A. Bezzubov, J. P. Negret, R. P. Smith, J. Cochran, J. Li, Matthew Jones, Elizaveta Shabalina, T. Marshall, Q. Z. Li-Demarteau, Gordon Watts, V. Sirotenko, N. Parua, Randy Ruchti, G. Di Loreto, Darien Wood, M. Bhattacharjee, H. A. Neal, H. C. Shankar, O. V. Eroshin, Phillip Gutierrez, G. Eppley, H. da Motta, J. G.R. Lima, S. Youssef, S. Choi, A. V. Kotwal, Harrison Prosper, Nicholas John Hadley, S. Blessing, Scott Snyder, D. Denisov, Srinivasan Rajagopalan, Thomas Ferbel, Robert J. McCarthy, A. Sanchez-Hernandez, C. S. Mishra, G. Guglielmo, S. M. Chang, P. Padley, Alexey Volkov, M. Sosebee, M. Goforth, C. K. Jung, T. McKibben, R. Markeloff, A. N. Galyaev, A. S. Ito, Vasken Hagopian, H. Weerts, Mitchell Wayne, H. Schellman, J. M. Kohli, Robert Hirosky, D.R. Green, J. Balderston, Lev Dudko, P. C. Bhat, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, C. Klopfenstein, Alexander Vorobiev, R. K. Shivpuri, Stefan Grünendahl, J. Thompson, D. R. Claes, B. Gómez, D. Stewart, Gervasio Gomez, W. Y. Chen, Gilvan Alves, P. Yamin, Hui Li, Michael Rijssenbeek, Sebastien Jonathan Kahn, S. N. Gurzhiev, M. Tartaglia, Eunil Won, J. M. Guida, Z. H. Zhu, George R. Kalbfleisch, M. Abolins, Shuichi Kunori, S. Mani, J. M. Hauptman, J. Bantly, Kaushik De, V. S. Narasimham, K. A. Johns, N. Grossman, W. E. Cooper, V. N. Evdokimov, J. Warchol, B. Baldin, A. Klatchko, A. V. Kostritskiy, A. A. Mayorov, D.S. Koltick, P. Mooney, J. T. Linnemann, W. M. Smart, T. Huehn, R. Madden, M. K. Fatyga, C. Shaffer, D. Cullen-Vidal, A. Goldschmidt, J. Snow, Sissel Hansen, L. Rasmussen, N. N. Biswas, Peter W. Draper, T. G. Trippe, Y. Fisyak, R. Lander, J. T. White, R. Engelmann, Liu Chen, N. K. Mondal, Y. Ducros, J. B. Singh, B. May, S. Chopra, C. T. Murphy, Sharon Hagopian, A. K.A. Maciel, K. Gounder, J. Featherly, J. Jaques, A. Leflat, L. Lueking, H.E. Miettinen, K. Bazizi, H. T. Diehl, Jong-Sung Yu, Marvin Johnson, B. Gibbard, M. Nicola, Yu. Pischalnikov, B. Lauer, M. A.C. Cummings, B. Hoeneisen, W. G. Cobau, M. I. Martin, F. Stichelbaut, Lee Sawyer, Sun Kee Kim, H. L. Melanson, P. Z. Quintas, K. Del Signore, H. Singh, L. Magaña-Mendoza, P. Hanlet, I. Adam, J. Sculli, B. Gobbi, J. Krane, J. Womersley, E. W. Anderson, Alexander Belyaev, D. Fein, Nikos Varelas, A. L. Lyon, Anurag Gupta, Victor Daniel Elvira, J. Z.Y. Jiang, F. Borcherding, A. Bross, J. McDonald, Hiroaki Aihara, A. V. Kozelov, T. Fahland, Y. M. Park, Raymond Brock, J. H. Christenson, Boaz Klima, P. Bloom, A. Boehnlein, Heriberto Castilla-Valdez, G.E. Forden, P. M. Tuts, G. P. Grim, D. Hedin, P. M. Sood, S. Banerjee, M. Demarteau, Allen Mincer, N. I. Bojko, T. Yasuda, M. Strauss, D. Norman, David H. Adams, Ricardo Piegaia, Sebastian Grinstein, E. G. Zverev, Brajesh C Choudhary, Peter Nemethy, V. Balamurali, Don Lincoln, Erich Varnes, S. Willis, M. Pang, Ulrich Heintz, Meenakshi Narain, S. Reucroft, S. R. Dugad, M. A. Shupe, L. T. Goss, C. Yoshikawa, M. Diesburg, M. Chung, D. Owen, E. Amidi, Howard Gordon, J. V.D. Wirjawan, A. Narayanan, Daniel John Karmgard, J. Tarazi, A. Jonckheere, K. C. Frame, O. Ramirez, E. Oltman, J. S. Hoftun, K. Davis, J. N. Butler, D. Casey, P. D. Grannis, H. Piekarz, J. Kotcher, J. Ellison, M. H.G. Souza, P. Yepes, N. Amos, K. W. Merritt, J. F. Bartlett, N. Graf, K. Genser, K. Streets, Vipin Bhatnagar, Robert Kehoe, R. Hernández-Montoya, Yanwen Liu, S. Fuess, H. E. Montgomery, R. Partridge, Elizabeth Gallas, Robert Snihur, H. Jostlein, Soon Yung Jun, M. L. Kelly, N. Sotnikova, H. Lan, Rajendran Raja, H. S. Mao, S. P. Denisov, R. W. Stephens, M. R. Krishnaswamy, Sarah Catherine Eno, F. Hsieh, A. Para, Sergey Chekulaev, E. A. Kozlovski, A. L. Spadafora, G. Blazey, D. P. Stoker, G. Finocchiaro, R. Jesik, P. I. Goncharov, S. Krzywdzinski, H. D. Wahl, V. I. Kochetkov, D. Buchholz, E. Flattum, V. Oguri, A. Zylberstejn, T.R. McMahon, M. Paterno, M. L. Stevenson, H. Greenlee, Vyacheslav Klyukhin, F. Nang, Brad Abbott, Richard B. Lipton, P. Tamburello, R. Astur, Andrew White, Sándor Lökös, P. Grudberg, J. Yang, A. Baden, Heng Xu, Y. E. Gutnikov, Anna Goussiou, J. Kourlas, Q. Liu, V. M. Podstavkov, M. Fortner, J. A. Wightman, C. Cretsinger, M. Strovink, John Hobbs, J. Perkins, E. James, R. Yamada, P. Gartung, N.V. Mokhov, M.K. Fatyga, Gregory R Snow, D. Chakraborty, S. H. Ahn, A. P. Heinson, J. S. Kang, R. D. Schamberger, M. R. Adams, Young-Sang Yu, S. Feher, B. S. Acharya, K. M. Mauritz, S. Lami, A. R. Clark, S. C. Loken, C. L. Kim, R. E. Hall, J. L. González Solís, Ting Hu, P.F. Ermolov, Orin I. Dahl, F. Landry, John Rutherfoord, Z. Casilum, N. A. Roe, V. S. Burtovoi, A. Brandt, A. Zieminski, R. J. Madaras, James C. Green, T. Heuring, S. Glenn, K. S. Hahn, D. Cutts, J. McKinley, D. A. Stoianova, Wagner Carvalho, S. Protopopescu, T. L.T. Thomas, Greg Landsberg, M. Merkin, T. L. Geld, S. A. Jerger, D. Vititoe, R. J. Genik, M. M. Baarmand, D. Edmunds, Cecilia Elena Gerber, Andre Sznajder, M. D. Peters, L. Oesch, Jianming Qian, C. Boswell, Suman Bala Beri, Tong Hu, T. Joffe-Minor, C. Yanagisawa, H. E. Fisk, J. Solomon, G. Wang, Alberto Santoro, H. Haggerty, P. Rubinov, Stephan Linn, N. Oshima, and Daria Zieminska
Subjects: Nuclear physics, Physics, Particle physics, Particle decay, Pair production, Branching fraction, Scalar (mathematics), General Physics and Astronomy, High Energy Physics::Experiment, Elementary particle, Leptoquark, HERA, Lepton
Abstract: We have searched for the pair production of first generation scalar leptoquarks in the $\mathrm{eejj}$ channel using the full data set $(123{\mathrm{pb}}^{\ensuremath{-}1})$ collected with the D0 detector at the Fermilab Tevatron during 1992--1996. We observe no candidates with an expected background of approximately 0.4 events. Comparing the experimental 95% confidence level upper limit to theoretical calculations of the cross section with the assumption of a 100% branching fraction of $\mathrm{eq}$, we set a lower limit on the mass of a first generation scalar leptoquark of $225\mathrm{GeV}{/c}^{2}$. The results of this analysis rule out the interpretation of the excess of high ${Q}^{2}$ events at DESY HERA as leptoquarks which decay exclusively to $\mathrm{eq}$.
Published: 1997

11. Measurement of the Top Quark Pair Production Cross Section inpp¯Collisions

Author: M. Nicola, J. A. Guida, L. Markosky, G. Di Loreto, D. Denisov, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, R. L. McCarthy, L. Magaña-Mendoza, D. Stewart, S. N. Gurzhiev, James Linnemann, N. Parua, M. Merkin, Stephen Wimpenny, Michael A. Strauss, Quing Zhu, T. Marshall, K. S. Hahn, P. Grudberg, D. Cutts, Raymond Brock, Boaz Klima, C. Boswell, S. Abachi, Suman Bala Beri, Darien Wood, R. D. Schamberger, M. R. Krishnaswamy, Q. Z. Li-Demarteau, Nicholas John Hadley, Greg Landsberg, S. Blessing, T. L. Geld, D. Norman, Scott Snyder, R. Markeloff, S. Willis, M. Pang, Randy Ruchti, Natalie A. Roe, M. Paterno, F. Hsieh, S. Grünendahl, A. Para, Sergey Chekulaev, J. S. Kang, S. C. Loken, A. N. Galyaev, H. D. Wahl, D. Edmunds, S. Grinstein, Andre Sznajder, C. K. Jung, M. Bhattacharjee, A. L. Lyon, Shuichi Kunori, J. Bantly, I. Adam, P. Rubinov, W. E. Cooper, L. P. Chen, Daniel R Claes, M. D. Peters, L. Oesch, R. Hirosky, R. Keohoe, Y. E. Gutnokov, R. K. Shivpuri, N. Amos, K. W. Merritt, S. A. Jerger, A. Leflat, J. F. Bartlett, S. Fuess, J. Cochran, E. James, J. Borders, J. Z.Y. Jiang, J. Drinkard, M. Tartaglia, S. Glenn, C. Klopfenstein, J. McKinley, D. A. Stoianova, Wagner Carvalho, W. G. Cobau, M. I. Martin, Kenneth Johns, Andrew Brandt, Gordon Watts, F. Borcherding, Kaushik De, J. McDonald, G. Finocchiaro, L. T. Goss, J. Kotcher, D. Vititoe, R. J. Genik, V. Sirotenko, S. Feher, H. A. Gordon, H.E. Miettinen, O. V. Eroshin, M. Abolins, M. M. Baarmand, Sarah Catherine Eno, Phillip Gutierrez, Ricardo Piegaia, E. A. Kozlovski, O. I. Dahl, H. Haggerty, S. Lökös, K. Bazizi, N. Graf, S. Banerjee, V. Balamurali, K. Streets, Vipin Bhatnagar, P. Mooney, G. Wang, Alberto Santoro, S. Reucroft, C. Yoshikawa, Vyacheslav Klyukhin, F. Nang, A. Baden, A. Zieminski, D. Buchholz, R. Partridge, N. K. Mondal, Andrew White, Heriberto Castilla-Valdez, R. Hernández-Montoya, N. Sotnikova, C. S. Mishra, B. Gibbard, H. T. Diehl, H. Singh, J. M. Hauptman, Cecilia Elena Gerber, P. Tamburello, Heng Xu, G. Guglielmo, Anna Goussiou, G. C. Blazey, T. McMahon, R. Yamada, J. Kourlas, S. H. Ahn, A. Boehnlein, P. M. Sood, H. S. Mao, J. Krane, H. Lan, J. Sculli, Allan G Clark, D. L. Adams, Jianming Qian, Q. Liu, Gregory R Snow, John Hobbs, J. Ellison, J. Yang, Vasken Hagopian, H. Weerts, P. Gartung, T. McKibben, F. Landry, John Rutherfoord, K. M. Mauritz, S. Lami, H. L. Melanson, P. Z. Quintas, P.F. Ermolov, Mary Beth Adams, M. L. Kelly, V. M. Podstavkov, Young-Sang Yu, P. Yamin, T. Fahland, K. C. Frame, O. Ramirez, M. Fortner, M.K. Fatyga, Alexander Vorobiev, Lev Dudko, R. Jesik, D. Casey, Y. Fisyak, J. Perkins, V. S. Burtovoi, G. Eppley, J. H. Christenson, A. L. Spadafora, E. Flattum, A. I. Mincer, P. I. Goncharov, S. Mani, T. Joffe-Minor, C. Yanagisawa, James C. Green, S. Choi, H. da Motta, J. G.R. Lima, H. E. Fisk, H. Tong, R. Madden, L. Rasmussen, Peter W. Draper, J. Solomon, Rajendran Raja, Yueh-Feng Liu, A. Sanchez-Hernandez, Elizaveta Shabalina, Pushpalatha C Bhat, B. Lauer, M. H.G. Souza, P. Yepes, H. E. Montgomery, A. S. Ito, T. L T Thomas, J. T. White, J. Balderston, E. G. Zverev, B. Hoeneisen, Lee Sawyer, D. Nešić, Brad Abbott, R. L. Lander, D. Lincoln, Eunil Won, P. Bloom, J. A. Wightman, Y. M. Park, S.A. Kahn, Sergey Denisov, N. I. Bojko, H. Ting, M. Demarteau, Meenakshi Narain, C. Murphy, R. Astur, J. Li, T. Heuring, A. Jonckheere, Stephan Linn, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, A. Narayanan, N. Oshima, Daria Zieminska, B. Baldin, H. Li, Y. Ducros, A. Smith, E. Amidi, B. May, Victor Daniel Elvira, M. A C Cumings, D. P. Stoker, B. Gobbi, Anurag Gupta, Jasvinder A. Singh, S. Youssef, T. Yasuda, J. Featherly, Marvin Johnson, A. V. Kozelov, C. Cretsinger, J. V.D. Wirjawan, M. Strovink, V. Oguri, M. L. Stevenson, Elizabeth Gallas, D. Pušeljić, R. J. Madaras, W. Smart, Alexander Belyaev, Gervasio Gomez, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, N. N. Biswas, S. Chopra, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, M. Diesburg, D. Owen, J. Tarazi, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, A. V. Kotwal, Harrison Prosper, P. M. Tuts, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, V. N. Evdokimov, J. Warchol, D.S. Koltick, J. M. Guida, D. Hedin, G. E. Forden, A. P. Heinson, Mark Sosebee, R. E. Hall, J. L. González Solís, R. Snihur, Z. Casilum, T. Huehn, N. Varelas, S. M. Chang, D. Fein, Erich Varnes, J. M. De Miranda, Soon Yung Jun, N. Grossman, S. Krzywdzinski, V. I. Kochetkov, A. Zylberstejn, P. Nemethy, H. Greenlee, Dhiman Chakraborty, Roderich Engelmann, K. Del Signore, Matthew Jones, A. Bross, Serban Protopopescu, T. G. Trippe, C. L. Kim, Hiroaki Aihara, Sharon Hagopian, A. K.A. Maciel, G. P. Grim, R. W. Stephens, L. Leuking, E. Oltman, W. Y. Chen, Gilvan Alves, George R. Kalbfleisch, V. S. Narasimham, A. A. Mayorov, M. K. Fatyga, J. Snow, J. Jaques, Ron Lipton, J. Womersley, Nikolai Mokhov, Brajesh C Choudhary, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, M. Goforth, Jinhong Yu, A. Klatchko, M. Chung, Sun Kee Kim, E. W. Anderson, P. Padley, Alexey Volkov, Mitchell Wayne, H. Schellman, J. M. Kohli, J. Thompson, B. Gómez, Z. H. Zhu, Shashikant Dugad, A. V. Kostritskiy, B. G. Pope, and Sissel Hansen
Subjects: Physics, Top quark, Particle physics, Luminosity (scattering theory), Tevatron, General Physics and Astronomy, D0 experiment, law.invention, Nuclear physics, Pair production, law, Fermilab, Collider, Lepton
Abstract: We present a measurement of the ttbar production cross section in ppbar collisions at root(s) = 1.8TeV by the D0 experiment at the Fermilab Tevatron. The measurement is based on data from an integrated luminosity of approximately 125 pb^-1 accumulated during the 1992-1996 collider run. We observe 39 ttbar candidate events in the dilepton and lepton+jets decay channels with an expected background of 13.7+-2.2 events. For a top quark mass of 173.3GeV/c^2, we measure the ttbar production cross section to be 5.5+-1.8 pb.
Published: 1997

12. Isolated Photon Cross Section in the Central and Forward Rapidity Regions inpp¯Collisions at√s=1.8TeV

Author: T. McKibben, M. V. S. Rao, N. Parua, C. Murphy, Sunanda Banerjee, R. Astur, Alexander Vorobiev, T. Heuring, B. Gibbard, J. Jaques, A. N. Galyaev, S. Krzywdzinski, V. I. Kochetkov, Pushpalatha C Bhat, A. Zylberstejn, S. Igarashi, P. R. G. Virador, H. Greenlee, A. Bross, Ron Lipton, Serban Protopopescu, J. Sculli, M. Mudan, Q. Z. Li-Demarteau, G. Eppley, D. Casey, W. Y. Chen, J. Womersley, I. Adam, P. Rubinov, Randy Ruchti, F. Borcherding, K. W. Merritt, George R. Kalbfleisch, Nikolai Mokhov, K. Streets, Vipin Bhatnagar, H. da Motta, J. G.R. Lima, H. D. Wahl, D. Pušeljić, M. Abolins, H. Tong, C. S. Mishra, A. L. Spadafora, Paolo Franzini, V. S. Narasimham, Thomas G Trippe, W. X. Gu, S. Margulies, S. Lami, W. E. Cooper, Daniel R Claes, G. Guglielmo, J. F. Bartlett, B. Hoeneisen, Lee Sawyer, P.F. Ermolov, E. Oltman, Rajendran Raja, S. Feher, R. Partridge, P. Mooney, S. C. Loken, E. Flattum, S. A. Jerger, C. Cretsinger, Stephen Wimpenny, M. A. C. Cummings, A. A. Mayorov, M. K. Fatyga, A. Leflat, J. Bendich, Vasken Hagopian, H. Weerts, Yanwen Liu, M. Strovink, E. Amidi, Suyong Choi, J. Snow, J. V.D. Wirjawan, J. R. T. de Mello Neto, E. James, L. Lueking, G. Griffin, A. S. Ito, N. K. Mondal, H. T. Diehl, B. May, R. Snihur, M. M. Baarmand, Sarah Catherine Eno, Brajesh C Choudhary, W. G. Cobau, M. I. Martin, Brad Abbott, T. Marshall, V. S. Burtovoi, J. S. Kang, Y. M. Park, S. Glenn, S.A. Kahn, J. McKinley, D. A. Stoianova, Wagner Carvalho, Gilvan Alves, M. Bhattacharjee, Darien Wood, Nicholas John Hadley, N. Varelas, M. Demarteau, R. E. Avery, A. Boehnlein, P. M. Sood, J. Ellison, S. Fuess, S. Blessing, Vyacheslav Klyukhin, Ying Li, A. Baden, H. Tao, G. C. Blazey, R. Hirosky, Scott Snyder, K. Bazizi, R. Markeloff, Elizabeth Gallas, R. Hatcher, N. A. Roe, C. H. Park, H. S. Mao, A. Bischoff, D. L. Adams, J. F. Glicenstein, A. V. Kostritskiy, Andrew White, M. Chung, Matthew Jones, P. A. Rapidis, I. Bertram, S. M. Chang, B. Gobbi, G. Wang, Alberto Santoro, Seong Keun Kim, Jasvinder A. Singh, M. Nichola, R. K. Shivpuri, R. Yamada, S. Youssef, C. Klopfenstein, C. L. Kim, Hiroaki Aihara, A. Jonckheere, F. Lobkowicz, D. Vititoe, Gordon Watts, P. Grudberg, T. McMahon, Stephan Linn, H. Johnstad, T. Joffe-Minor, T. Yasuda, C. Yanagisawa, A. Zieminski, H. E. Fisk, Y. E. Gutnikov, J. Drinkard, H. Johari, V. Balamurali, S. H. Ahn, R. J. Genik, P. I. Goncharov, Kenneth Johns, V. Sirotenko, W. Guryn, M. Tartaglia, P. M. Tuts, J. Featherly, V. Glebov, L. Markosky, Joan A. Guida, R. W. Stephens, J. Kourlas, B. G. Pope, N. Oshima, Sissel Hansen, O. V. Eroshin, D. Buchholz, Marvin Johnson, J. Solomon, W. Smart, G. Di Loreto, A. V. Kozelov, Orin I. Dahl, John Rutherfoord, T. L. Taylor, Kaushik De, Phillip Gutierrez, Mary Beth Adams, S. H. Aronson, Daria Zieminska, John Hobbs, R. D. Schamberger, A. Smith, J. F. Lebrat, E. G. Zverev, P. Tamburello, Heng Xu, C. Boswell, Dhiman Chakraborty, Elizaveta Shabalina, F. Nang, Young-Sang Yu, T. Rockwell, Raymond Brock, Boaz Klima, R. L. Dixon, Robert Kehoe, D. Nešić, S. Abachi, Heriberto Castilla-Valdez, Y. Pischalnikov, Ulrich Heintz, M. L. Kelly, G. Álvarez, V. Oguri, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, D. Norman, J. T. Linnemann, J. Balderston, Howard Gordon, James C. Green, S. Y. Jun, B. I. Klochkov, Michael Rijssenbeek, K. C. Frame, O. Ramirez, P. Yamin, H. Jöstlein, R. Hernández-Montoya, J. M. Hauptman, Suman Bala Beri, D. Denisov, Cecilia Elena Gerber, J. T. White, Sharon Hagopian, M. Goforth, S. Willis, M. Pang, K. S. Hahn, D. Cutts, C. K. Jung, J. Kotcher, A. K.A. Maciel, Haifeng Li, S. Mani, Jinhong Yu, J. Warchol, Gregory R Snow, Greg Landsberg, R. L. McCarthy, M. Diesburg, S. P. Denisov, Srinivasan Rajagopalan, Jianming Qian, R. Madden, A. L. Read, Allan G Clark, A. Klatchko, D. Lincoln, Thomas Ferbel, Dan Green, T. L. Geld, H. Ting, L. Rasmussen, Peter W. Draper, A. Goldschmidt, M. R. Krishnaswamy, Eunil Won, P. Padley, D. Owen, Alexey Volkov, James H Cochran, M. Paterno, D. Edmunds, E. Neis, F. Hsieh, S. Grünendahl, Mitchell Wayne, M.K. Fatyga, J. Tarazi, Meenakshi Narain, A. Peryshkin, H. Schellman, J. M. Kohli, V. N. Evdokimov, Andre Sznajder, A. Para, Sergey Chekulaev, B. Baldin, Peter Nemethy, N. Graf, J. Thompson, M. D. Peters, D.S. Koltick, T. Fahland, Y. Ducros, S. Fahey, Gervasio Gomez, B. Gómez, Z. H. Zhu, L. Oesch, J. Wilcox, Shashikant Dugad, A. Narayanan, M. H.G. Souza, P. Yepes, Victor Daniel Elvira, M. Sosebee, C. Shaffer, D. Cullen-Vidal, K. Genser, R. J. Madaras, P. Bloom, N. N. Biswas, H. E. Montgomery, J. A. Wightman, J. Alitti, N. I. Bojko, S. Chopra, J. Bantly, D. Stewart, S. N. Gurzhiev, F. Wen, E. W. Anderson, H. L. Melanson, P. Z. Quintas, L. T. Kerth, Andrew Brandt, M. L. Stevenson, R. Engelmann, Liu Chen, J. M. Guida, D. Hedin, Quing Zhu, J. S. Hoftun, J. N. Butler, H.E. Miettinen, P. D. Grannis, H. Piekarz, D. P. Stoker, Allen Mincer, V. A. Bezzubov, J. P. Negret, Y. Fisyak, J. H. Christenson, R. P. Smith, Michael Shupe, Harrison Prosper, T. Huehn, D. Fein, Erich Varnes, J. M. De Miranda, N. Grossman, Jing Li, G. E. Forden, A. P. Heinson, R. E. Hall, J. L. González Solís, N. Amos, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, J. Borders, J. Z.Y. Jiang, L. T. Goss, E. A. Kozlovski, H. Haggerty, S. Lökös, A. L. Lyon, Shuichi Kunori, G. Finocchiaro, N. Denisenko, S. Reucroft, and C. Yoshikawa
Subjects: Physics, Particle physics, Luminosity (scattering theory), Calorimeter (particle physics), Meson, Physics::Instrumentation and Detectors, Tevatron, General Physics and Astronomy, law.invention, Nuclear physics, law, Pseudorapidity, High Energy Physics::Experiment, Rapidity, Fermilab, Nuclear Experiment, Collider
Abstract: A measurement of the cross section for production of single, isolated photons is reported for transverse energies in the range of 10–125 GeV for two regions of pseudorapidity, |η| -1 of integrated luminosity accumulated in pp collisions at √s=1.8TeV and recorded with the D0 detector at the Fermilab Tevatron Collider. The background, predominantly from jets which fragment to neutral mesons, is estimated using the longitudinal shower shape in the calorimeter. In both pseudorapidity regions the cross section is found to agree with the next-to-leading order QCD prediction for 30≲E T γ ≲80GeV.
Published: 1996

13. Search for Right-HandedWBosons and HeavyW′inpp¯Collisions ats=1.8TeV

Author: S. Abachi, B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, J. Alitti, G. Álvarez, G. A. Alves, E. Amidi, N. Amos, E. W. Anderson, S. H. Aronson, R. Astur, R. E. Avery, A. Baden, V. Balamurali, J. Balderston, B. Baldin, J. Bantly, J. F. Bartlett, K. Bazizi, J. Bendich, S. B. Beri, I. Bertram, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, A. Bischoff, N. Biswas, G. Blazey, S. Blessing, P. Bloom, A. Boehnlein, N. I. Bojko, F. Borcherding, J. Borders, C. Boswell, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. S. Burtovoi, J. M. Butler, W. Carvalho, D. Casey, H. Castilla-Valdez, D. Chakraborty, S.-M. Chang, S. V. Chekulaev, L.-P. Chen, W. Chen, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. A. C. Cummings, D. Cutts, O. I. Dahl, K. De, M. Demarteau, R. Demina, K. Denisenko, N. Denisenko, D. Denisov, S. P. Denisov, H. T. Diehl, M. Diesburg, G. Di Loreto, R. Dixon, P. Draper, J. Drinkard, Y. Ducros, S. R. Dugad, S. Durston-Johnson, D. Edmunds, J. Ellison, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, V. N. Evdokimov, S. Fahey, T. Fahland, M. Fatyga, M. K. Fatyga, J. Featherly, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, Y. Fisyak, E. Flattum, G. E. Forden, M. Fortner, K. C. Frame, P. Franzini, S. Fuess, E. Gallas, A. N. Galyaev, T. L. Geld, R. J. Genik II, K. Genser, C. E. Gerber, B. Gibbard, V. Glebov, S. Glenn, J. F. Glicenstein, B. Gobbi, M. Goforth, A. Goldschmidt, B. Gómez, P. I. Goncharov, J. L. González Solís, H. Gordon, L. T. Goss, N. Graf, P. D. Grannis, D. R. Green, J. Green, H. Greenlee, G. Griffin, N. Grossman, P. Grudberg, S. Grünendahl, W. X. Gu, G. Guglielmo, J. A. Guida, J. M. Guida, W. Guryn, S. N. Gurzhiev, P. Gutierrez, Y. E. Gutnikov, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, K. S. Hahn, R. E. Hall, S. Hansen, R. Hatcher, J. M. Hauptman, D. Hedin, A. P. Heinson, U. Heintz, R. Hernández-Montoya, T. Heuring, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. S. Hoftun, F. Hsieh, Tao Hu, Ting Hu, Tong Hu, T. Huehn, S. Igarashi, A. S. Ito, E. James, J. Jaques, S. A. Jerger, J. Z.-Y. Jiang, T. Joffe-Minor, H. Johari, K. Johns, M. Johnson, H. Johnstad, A. Jonckheere, M. Jones, H. Jöstlein, S. Y. Jun, C. K. Jung, S. Kahn, G. Kalbfleisch, J. S. Kang, R. Kehoe, M. L. Kelly, L. Kerth, C. L. Kim, S. K. Kim, A. Klatchko, B. Klima, B. I. Klochkov, C. Klopfenstein, V. I. Klyukhin, V. I. Kochetkov, J. M. Kohli, D. Koltick, A. V. Kostritskiy, J. Kotcher, J. Kourlas, A. V. Kozelov, E. A. Kozlovski, M. R. Krishnaswamy, S. Krzywdzinski, S. Kunori, S. Lami, G. Landsberg, J-F. Lebrat, A. Leflat, H. Li, J. Li, Y. K. Li, Q. Z. Li-Demarteau, J. G. R. Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, S. C. Loken, S. Lökös, L. Lueking, A. L. Lyon, A. K. A. Maciel, R. J. Madaras, R. Madden, S. Mani, H. S. Mao, S. Margulies, R. Markeloff, L. Markosky, T. Marshall, M. I. Martin, M. Marx, B. May, A. A. Mayorov, R. McCarthy, T. McKibben, J. McKinley, T. McMahon, H. L. Melanson, J. R. T. de Mello Neto, K. W. Merritt, H. Miettinen, A. Mincer, J. M. de Miranda, C. S. Mishra, M. Mohammadi-Baarmand, N. Mokhov, N. K. Mondal, H. E. Montgomery, P. Mooney, H. da Motta, M. Mudan, C. Murphy, C. T. Murphy, F. Nang, M. Narain, V. S. Narasimham, A. Narayanan, H. A. Neal, J. P. Negret, E. Neis, P. Nemethy, D. Nešić, M. Nicola, D. Norman, L. Oesch, V. Oguri, E. Oltman, N. Oshima, D. Owen, P. Padley, M. Pang, A. Para, C. H. Park, Y. M. Park, R. Partridge, N. Parua, M. Paterno, J. Perkins, A. Peryshkin, M. Peters, H. Piekarz, Y. Pischalnikov, V. M. Podstavkov, B. G. Pope, H. B. Prosper, S. Protopopescu, D. Pušeljić, J. Qian, P. Z. Quintas, R. Raja, S. Rajagopalan, O. Ramirez, M. V. S. Rao, P. A. Rapidis, L. Rasmussen, A. L. Read, S. Reucroft, M. Rijssenbeek, T. Rockwell, N. A. Roe, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, J. Sculli, E. Shabalina, C. Shaffer, H. C. Shankar, Y. Y. Shao, R. K. Shivpuri, M. Shupe, J. B. Singh, V. Sirotenko, W. Smart, A. Smith, R. P. Smith, R. Snihur, G. R. Snow, S. Snyder, J. Solomon, P. M. Sood, M. Sosebee, M. Souza, A. L. Spadafora, R. W. Stephens, M. L. Stevenson, D. Stewart, D. A. Stoianova, D. Stoker, K. Streets, M. Strovink, A. Sznajder, A. Taketani, P. Tamburello, J. Tarazi, M. Tartaglia, T. L. Taylor, J. Thompson, T. G. Trippe, P. M. Tuts, N. Varelas, E. W. Varnes, P. R. G. Virador, D. Vititoe, A. A. Volkov, A. P. Vorobiev, H. D. Wahl, G. Wang, J. Warchol, G. Watts, M. Wayne, H. Weerts, F. Wen, A. White, J. T. White, J. A. Wightman, J. Wilcox, S. Willis, S. J. Wimpenny, J. V. D. Wirjawan, J. Womersley, E. Won, D. R. Wood, H. Xu, R. Yamada, P. Yamin, C. Yanagisawa, J. Yang, T. Yasuda, C. Yoshikawa, S. Youssef, J. Yu, Y. Yu, D. H. Zhang, Q. Zhu, Z. H. Zhu, D. Zieminska, A. Zieminski, E. G. Zverev, and A. Zylberstejn
Subjects: Physics, Particle physics, Right handed, Tevatron, General Physics and Astronomy, Electron, Lower limit, law.invention, Nuclear physics, law, High Energy Physics::Experiment, Fermilab, Neutrino, Collider, Boson
Abstract: We report on a search for right-handed W bosons (W R ) with mass greater than 200GeV/c 2 . We used data collected with the D0 detector at the Fermilab Tevatron pp collider at √s=1.8TeV to search for W R decays into an electron and a massive right-handed neutrino W R ± >e ± N R . Using the inclusive electron data, we set mass limits independent of the N R decay: m W R >650GeV/c 2 and m W R >720GeV/c 2 at the 95% confidence level, valid for m N R W R and mN R «m W R , respectively. The latter also represents a new lower limit on the mass of a heavy left-handed W boson (W') decaying into ev. In addition, limits on mWR valid for larger values of the N R mass are obtained assuming that NR decays to an electron and two jets.
Published: 1996

14. Search for Light Top Squarks inpp¯Collisions at√s=1.8TeV

Author: G. Finocchiaro, M. Abolins, S. Durston-Johnson, P. Mooney, M. Nicola, R. Snihur, N. Varelas, N. Denisenko, S. Reucroft, F. Borcherding, S. M. Chang, N. K. Mondal, H. T. Diehl, A. Boehnlein, Andrew White, P. M. Sood, M. Mohammadi-Baarmand, J. Ellison, A. Goldschmidt, C. Yoshikawa, R. L. McCarthy, J. Bendich, J. Yu, E. Oltman, C. K. Jung, P. Grudberg, Matthew Jones, D. Nešić, Haifeng Li, P. Yamin, C. L. Kim, T. McMahon, Y. E. Gutnikov, C. Klopfenstein, Hiroaki Aihara, J. Kourlas, P. I. Goncharov, W. Guryn, T. McKibben, M. V. S. Rao, D. Buchholz, S. Mani, G. Wang, P. M. Tuts, Alberto Santoro, Sarah Catherine Eno, Meenakshi Narain, Peter Nemethy, T. Fahland, R. W. Stephens, A. Peryshkin, P. Bloom, J. A. Wightman, R. J. Madaras, R. Madden, S. Krzywdzinski, Seong Keun Kim, P. Tamburello, L. Rasmussen, Peter W. Draper, John Hobbs, N. I. Bojko, Alexander Vorobiev, Heng Xu, G. Eppley, V. D. Elvira, Vyacheslav Klyukhin, W. Y. Chen, George R. Kalbfleisch, V. I. Kochetkov, Raymond Brock, Boaz Klima, C. Shaffer, J. Wilcox, A. Narayanan, D. Cullen-Vidal, Paolo Franzini, K. Genser, K. Denisenko, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, A. L. Read, Pushpalatha C Bhat, M. Mudan, B. May, Young-Sang Yu, D. Casey, V. S. Narasimham, Thomas G Trippe, W. X. Gu, M. Bhattacharjee, Ying Li, A. Baden, B. Hoeneisen, N. N. Biswas, Lee Sawyer, H. da Motta, J. G.R. Lima, D. Hedin, T. Joffe-Minor, J. Yang, D. Norman, A. A. Mayorov, M. Goforth, M. K. Fatyga, M. L. Stevenson, H. L. Melanson, P. Z. Quintas, A. Zylberstejn, G. C. Blazey, J. Featherly, A. L. Lyon, Shuichi Kunori, A. S. Ito, A. Taketani, C. Yanagisawa, S. P. Denisov, H. E. Fisk, D. Pušeljić, V. Oguri, R. Hirosky, R. Hernández-Montoya, S. Willis, M. Pang, M. Sosebee, V. Glebov, Marvin Johnson, R. Yamada, Gregory R Snow, V. M. Podstavkov, Rajendran Raja, D. Edmunds, Y. Fisyak, I. Bertram, Y. M. Park, M. Fortner, C. Murphy, S.A. Kahn, J. Solomon, A. V. Kozelov, E. Neis, S. H. Ahn, J. S. Hoftun, J. N. Butler, P. D. Grannis, H. Greenlee, J. H. Christenson, B. Gobbi, M. R. Krishnaswamy, F. Lobkowicz, S. C. Loken, J. Alitti, J. Bantly, S. Margulies, M. Demarteau, R. E. Avery, H. Piekarz, A. Klatchko, Brad Abbott, Orin I. Dahl, John Rutherfoord, J. Perkins, A. N. Galyaev, J. Warchol, S. Lami, D. Stocker, Andre Sznajder, F. Hsieh, T. Rockwell, R. L. Dixon, S. A. Jerger, T. L. Taylor, A. Leflat, P.F. Ermolov, B. I. Klochkov, C. Cretsinger, Michael Rijssenbeek, M. D. Marx, A. Bross, Mary Beth Adams, Jasvinder A. Singh, J. M. Hauptman, M. Strovink, H. D. Wahl, E. James, S. Grünendahl, N. A. Roe, S. Chopra, S. Youssef, Andrew Brandt, Ting Hu, M. D. Peters, M. Chung, H. Johnstad, V. N. Evdokimov, T. Yasuda, W. G. Cobau, M. I. Martin, J. S. Kang, Jianming Qian, Heriberto Castilla-Valdez, A. Para, V. S. Burtovoi, Sergey Chekulaev, W. E. Cooper, Gilvan Alves, G. Álvarez, E. Amidi, Serban Protopopescu, J. V.D. Wirjawan, D.S. Koltick, J. R. T. de Mello Neto, J. T. Linnemann, James C. Green, K. S. Hahn, R. Engelmann, Liu Chen, H.E. Miettinen, D. Cutts, A. Zieminski, Tong Hu, Daniel R Claes, V. A. Bezzubov, J. P. Negret, J. Kotcher, P. A. Rapidis, Robert Kehoe, A. Kernan, T. Huehn, Y. Pischalnikov, Ulrich Heintz, Greg Landsberg, H. Jöstlein, A. Jonckheere, R. P. Smith, Elizabeth Gallas, Allan G Clark, D. Fein, T. L. Geld, R. Hatcher, L. Oesch, M. Diesburg, Michael Shupe, L. T. Kerth, J. Balderston, R. Astur, N. Graf, J. Jaques, D. Owen, M. Paterno, T. Heuring, Stephan Linn, Y. Y. Shao, M.K. Fatyga, H. Johari, V. Balamurali, N. Oshima, K. Streets, Vipin Bhatnagar, Ron Lipton, J. Womersley, J. Tarazi, Harrison Prosper, R. Partridge, E. Flattum, G. Griffin, Erich Varnes, W. Smart, K. A. Johns, B. G. Pope, Nikolai Mokhov, S. Feher, Daria Zieminska, R. D. Schamberger, A. Smith, J. F. Lebrat, J. M. De Miranda, D. Lincoln, D. Stewart, S. N. Gurzhiev, C. H. Park, Eunil Won, H. S. Mao, S. Y. Jun, D. L. Adams, Brajesh C Choudhary, Elizaveta Shabalina, B. Baldin, M. H.G. Souza, Y. Ducros, H. E. Montgomery, M. L. Kelly, J. T. White, Howard Gordon, N. Grossman, C. Boswell, N. Amos, J. Borders, K. C. Frame, O. Ramirez, Dongliang Zhang, S. Abachi, Jing Li, J. Z.Y. Jiang, I. Adam, P. Rubinov, K. W. Merritt, L. T. Goss, A. L. Spadafora, J. F. Bartlett, Suman Bala Beri, Yanwen Liu, C. S. Mishra, L. Lueking, E. A. Kozlovski, G. Guglielmo, K. Bazizi, G. E. Forden, A. P. Heinson, H. Haggerty, S. Lökös, Quing Zhu, Vasken Hagopian, H. Weerts, R. E. Hall, J. L. González Solís, C. E. Gerber, S. Fuess, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, D. Vititoe, R. J. Genik, V. Sirotenko, S. Fahey, O. V. Eroshin, Phillip Gutierrez, S. Rusin, L. Markosky, Joan A. Guida, N. Parua, G. Di Loreto, D. Denisov, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, S. Igarashi, P. R. G. Virador, Q. Z. Li-Demarteau, Randy Ruchti, A. Bischoff, J. F. Glicenstein, A. V. Kostritskiy, Sissel Hansen, F. Nang, J. M. Guida, Dhiman Chakraborty, Sharon Hagopian, A. K.A. Maciel, F. Wen, E. W. Anderson, Allen Mincer, P. Padley, Alexey Volkov, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, B. Gibbard, J. Thompson, B. Gómez, Z. H. Zhu, J. Sculli, Shashikant Dugad, T. Hu, R. Demina, Stephen Wimpenny, M. A. C. Cummings, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, R. K. Shivpuri, J. Drinkard, M. Tartaglia, Kaushik De, S. H. Aronson, and C. T. Murphy
Subjects: Physics, Particle physics, Top quark, Branching fraction, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, law.invention, Charm quark, Standard Model, Nuclear physics, law, Neutralino, High Energy Physics::Experiment, Fermilab, Collider
Abstract: We present a search for pair produced top squarks, the supersymmetric partners of the top quark, using the D0 detector at the Fermilab Tevatron pp collider. We consider a scenario in which the lighter of the two top squarks t 1 decays with 100% branching fraction to a charm quark and the lightest neutralino χ 1 0 yielding a signal of two acollinear jets with missing transverse energy. We observe 3 events while we expect 3.5±1.2 events from the known standard model processes. We exclude at the 95% confidence level a significant region of the m t 1 - m χ 1 0 parameter space. The highest m t 1 value we exclude is 93 GeV/c 2 with a corresponding m χ 1 0 value of 8 GeV/c 2 .
Published: 1996

15. production in p collisions at = 1.8

Author: T. Fahland, J. Wilcox, D. Casey, H. Tong, Rajendran Raja, S. Margulies, Brad Abbott, J. Jaques, K. S. Hahn, D. Cutts, A. Zieminski, P.F. Ermolov, J. M. Hauptman, Greg Landsberg, S. Y. Jun, A. N. Galyaev, F. Wen, E. W. Anderson, M. Sosebee, M. Nicola, Ron Lipton, J. Womersley, B. Baldin, Y. Ducros, S. C. Loken, V. S. Burtovoi, M. Bhattacharjee, T. L. Geld, Natalie A. Roe, C. T. Murphy, M. Paterno, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, S. Lami, Allen Mincer, T. G. Trippe, Nikolai Mokhov, B. May, W. E. Cooper, L. P. Chen, A. Baden, S. Fuess, Daniel R Claes, Jianming Qian, J. Alitti, J. Bantly, R. Hirosky, G. C. Blazey, W. Y. Chen, S. Krzywdzinski, T. McKibben, M. V. S. Rao, N. N. Biswas, B. Gibbard, R. L. McCarthy, S. Feher, Andrew White, S. Glenn, J. McKinley, D. A. Stoianova, R. Yamada, I. Bertram, Sharon Hagopian, George R. Kalbfleisch, J. Bendich, Paolo Franzini, J. Featherly, V. S. Narasimham, V. Glebov, Alexander Vorobiev, G. Finocchiaro, S. H. Ahn, Wagner Carvalho, A. Bischoff, J. Sculli, J. F. Glicenstein, A. V. Kostritskiy, R. J. Madaras, T. McMahon, Y. E. Gutnikov, T. L. Taylor, A. K.A. Maciel, F. Lobkowicz, S. Chopra, John Rutherfoord, Brajesh C Choudhary, J. Kourlas, E. Oltman, Sissel Hansen, A. A. Mayorov, P. A. Rapidis, Heriberto Castilla-Valdez, Marvin Johnson, M. K. Fatyga, A. V. Kozelov, F. Nang, V. I. Kochetkov, Andrew Brandt, R. Engelmann, Mary Beth Adams, N. Amos, John Hobbs, J. Borders, Bobby Samir Acharya, H.E. Miettinen, P. Bloom, J. A. Wightman, S. Durston-Johnson, M. H.G. Souza, H. A. Neal, Young-Sang Yu, H. C. Shankar, B. Gobbi, J. T. Linnemann, A. Jonckheere, C. Klopfenstein, T. Rockwell, J. Drinkard, Raymond Brock, Boaz Klima, N. I. Bojko, Peter Nemethy, Dongliang Zhang, D. Vititoe, H. E. Montgomery, James C. Green, M. Tartaglia, Stephan Linn, N. Denisenko, A. Zylberstejn, J. Z.Y. Jiang, G. Eppley, M. Goforth, Y. Pischalnikov, Ulrich Heintz, W. X. Gu, D. Norman, Kaushik De, M. Mohammadi-Baarmand, S. Reucroft, R. L. Dixon, Michael Rijssenbeek, Jasvinder A. Singh, F. Borcherding, Gordon Watts, H. Jöstlein, J. Yu, S. Willis, M. Pang, R. J. Genik, C. Cretsinger, H. da Motta, J. G.R. Lima, S. H. Aronson, V. Sirotenko, N. Oshima, M. Strovink, D. P. Stoker, E. G. Zverev, H. Greenlee, T. Joffe-Minor, L. T. Goss, R. Snihur, N. Varelas, H. Johnstad, P. Padley, Alexey Volkov, Daria Zieminska, E. James, M. Diesburg, R. D. Schamberger, D. Buchholz, D. Nešić, H. Tao, James H Cochran, C. Yanagisawa, A. S. Ito, A. Klatchko, O. V. Eroshin, C. L. Kim, Hiroaki Aihara, Mitchell Wayne, H. Schellman, J. M. Kohli, S. M. Chang, A. Smith, Stephen Wimpenny, Haifeng Li, J. F. Lebrat, C. Boswell, H. E. Fisk, P. Tamburello, Heng Xu, J. S. Hoftun, J. N. Butler, P. D. Grannis, P. M. Tuts, D. Owen, T. Marshall, H. Ting, A. Bross, Phillip Gutierrez, E. A. Kozlovski, H. Piekarz, R. W. Stephens, Darien Wood, Sarah Catherine Eno, C. Murphy, Meenakshi Narain, Gilvan Alves, A. Peryshkin, R. Astur, Pushpalatha C Bhat, M. Mudan, Gregory R Snow, J. Tarazi, V. N. Evdokimov, V. D. Elvira, T. Heuring, S. Abachi, H. Haggerty, J. Thompson, B. Gómez, Z. H. Zhu, D.S. Koltick, Nicholas John Hadley, Shashikant Dugad, S. A. Jerger, R. Hernández-Montoya, C. Yoshikawa, T. Yasuda, S. Lökös, Serban Protopopescu, S. Blessing, A. Leflat, K. Denisenko, Scott Snyder, S. Youssef, R. Markeloff, A. Narayanan, M. Chung, Vyacheslav Klyukhin, Dhiman Chakraborty, Robert Kehoe, M. A.C. Cummings, B. Hoeneisen, J. Yang, R. Demina, Suman Bala Beri, A. L. Lyon, Shuichi Kunori, Ying Li, J. Balderston, Lee Sawyer, N. Parua, B. I. Klochkov, G. E. Forden, A. P. Heinson, H. S. Mao, R. E. Hall, J. L. González Solís, V. M. Podstavkov, M. Fortner, J. Perkins, J. M. Guida, M. D. Marx, H. D. Wahl, Matthew Jones, S. Igarashi, Q. Z. Li-Demarteau, D. Lincoln, Eunil Won, A. L. Read, D. Edmunds, E. Neis, Andre Sznajder, G. Wang, Alberto Santoro, Seong Keun Kim, A. Taketani, Y. M. Park, S.A. Kahn, M. Demarteau, R. E. Avery, M. D. Peters, W. G. Cobau, M. I. Martin, J. S. Kang, L. Oesch, P. Yamin, J. Solomon, S. Mani, T. Huehn, H. Johari, D. Hedin, V. Balamurali, B. G. Pope, D. Fein, Erich Varnes, R. Madden, J. M. De Miranda, L. Rasmussen, Randy Ruchti, Elizaveta Shabalina, Peter W. Draper, N. Grossman, V. A. Bezzubov, J. P. Negret, J. T. White, Jing Li, R. P. Smith, C. S. Mishra, Michael Shupe, Y. Y. Shao, G. Guglielmo, M.K. Fatyga, Harrison Prosper, L. Markosky, Joan A. Guida, G. Di Loreto, D. Denisov, G. Álvarez, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, J. Kotcher, O. I. Dahl, N. Graf, H. L. Melanson, P. Z. Quintas, D. Stewart, S. N. Gurzhiev, Y. Fisyak, J. H. Christenson, K. Streets, Vipin Bhatnagar, R. Partridge, E. Flattum, Quing Zhu, I. Adam, P. Rubinov, K. W. Merritt, G. Griffin, J. F. Bartlett, C. H. Park, Yanwen Liu, D. L. Adams, L. Lueking, S. Fahey, K. Bazizi, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, L. T. Kerth, S. P. Denisov, P. Grudberg, V. Oguri, M. L. Stevenson, M. R. Krishnaswamy, F. Hsieh, A. R. Clark, S. Grünendahl, J. Warchol, A. Para, Sergey Chekulaev, C. K. Jung, E. Amidi, J. V.D. Wirjawan, J. R. T. de Mello Neto, M. Abolins, P. Mooney, Elizabeth Gallas, N. K. Mondal, H. T. Diehl, R. Hatcher, A. Boehnlein, P. M. Sood, J. Ellison, A. L. Spadafora, P. I. Goncharov, W. Guryn, R. K. Shivpuri, D. Pušeljić, W. Smart, K. A. Johns, Vasken Hagopian, H. Weerts, C. E. Gerber, and P. R.G. Virador
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Particle physics, Muon, Meson, Tevatron, Astrophysics::Cosmology and Extragalactic Astrophysics, Nuclear physics, Transverse momentum, High Energy Physics::Experiment, Production (computer science), B meson, Impact parameter, Nuclear Experiment
Abstract: We have studied J ψ production in p p collisions at s = 1.8 TeV with the DO detector at Fermilab using μ+μ− data. We have measured the inclusive J ψ production cross section as a function of J ψ transverse momentum, pT. For the kinematic range pT > 8 GeV/c and |η| σ(p p → J ψ + X) · Br ( J ψ → μ + μ − ) = 2.08 ± 0.17( stat) ± 0.46(syst) nb. Using the muon impact parameter we have estimated the fraction of J ψ mesons coming from B meson decays to be fb = 0.35 ± 0.09(stat)±0.10(syst) and inferred the inclusive b production cross section. From the information on the event topology the fraction of nonisolated J ψ events has been measured to be fnonisol = 0.64 ± 0.08(stat)±0.06(syst). We have also obtained the fraction of J ψ events resulting from radiative decays of χc states, fχ = 0.32 ± 0.07(stat)±0.07(syst). We discuss the implications of our measurements for charmonium production processes.
Published: 1996

16. Jet Production via Strongly Interacting Color-Singlet Exchange inpp¯Collisions

Author: S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, D. Vititoe, R. J. Genik, A. L. Read, C. Boswell, D. Edmunds, S. Abachi, E. Neis, Suman Bala Beri, Andre Sznajder, M. D. Peters, L. Oesch, T. Joffe-Minor, C. Yanagisawa, H. E. Fisk, C. Klopfenstein, J. Solomon, B. I. Klochkov, J. M. Hauptman, Cecilia Elena Gerber, Jianming Qian, Tong Hu, I. V. Mandrichenko, P. A. Rapidis, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Bischoff, A. V. Kostritskiy, J. Bendich, A. Kernan, A. Jonckheere, Sissel Hansen, C. K. Jung, V. Oguri, R. Hernández-Montoya, Stephan Linn, A. Milder, N. N. Biswas, F. Nang, C. S. Mishra, G. Wang, Alberto Santoro, C. Murphy, N. Oshima, G. Guglielmo, Daria Zieminska, Sharon Hagopian, W. Y. Chen, R. D. Schamberger, A. Smith, J. F. Lebrat, S. Protopopescu, A. K.A. Maciel, Vasken Hagopian, H. Weerts, George R. Kalbfleisch, P. Padley, D. Casey, Alexey Volkov, James H Cochran, Paolo Franzini, P. I. Goncharov, V. S. Narasimham, Thomas G Trippe, W. X. Gu, R. K. Shivpuri, S. Krzywdzinski, W. Guryn, Mitchell Wayne, H. Schellman, J. M. Kohli, J. Thompson, P. Yamin, A. A. Mayorov, V. I. Kochetkov, S. Fuess, R. Snihur, B. Gómez, Z. H. Zhu, M. Abolins, Shashikant Dugad, N. Varelas, M. K. Fatyga, S. Mani, J. Drinkard, Rajendran Raja, M. Tartaglia, P. Mooney, M. Nicola, A. Zylberstejn, H. Greenlee, R. Demina, S. M. Chang, R. Madden, S. C. Loken, E. Amidi, N. K. Mondal, H. T. Diehl, L. Rasmussen, Peter W. Draper, A. Boehnlein, P. M. Sood, Sun Kee Kim, Brad Abbott, A. Bross, M. Bhattacharjee, V. Sirotenko, Kaushik De, Pushpalatha C Bhat, M. Mudan, J. V.D. Wirjawan, J. R. T. de Mello Neto, J. Ellison, F. Wen, E. W. Anderson, B. May, O. V. Eroshin, Phillip Gutierrez, J. Yu, R. L. McCarthy, B. Hoeneisen, Lee Sawyer, Allan G Clark, S. H. Aronson, P. Bloom, J. A. Wightman, S. Fahey, R. Hirosky, Matthew Jones, Allen Mincer, A. Taketani, N. Parua, Ting Hu, T. Huehn, B. Gobbi, N. I. Bojko, J. M. Guida, M.K. Fatyga, C. L. Kim, D. Fein, Y. M. Park, Dhiman Chakraborty, S.A. Kahn, Hiroaki Aihara, Elizabeth Gallas, R. Hatcher, H. L. Melanson, P. Z. Quintas, A. Zieminski, K. S. Hahn, M. Demarteau, R. E. Avery, D. Cutts, J. S. Kang, Erich Varnes, P. M. Tuts, R. W. Stephens, Greg Landsberg, Peter Nemethy, G. Eppley, J. M. De Miranda, S. Rusin, Y. Fisyak, J. H. Christenson, B. Gibbard, T. L. Taylor, V. A. Bezzubov, L. T. Kerth, S. Igarashi, T. L. Geld, J. P. Negret, R. P. Smith, M. L. Stevenson, L. Markosky, Joan A. Guida, Soon Yung Jun, N. Grossman, J. G.R. Lima, J. Sculli, Michael Shupe, M. Paterno, Jasvinder A. Singh, Y. Pischalnikov, Ulrich Heintz, G. Di Loreto, H. Jöstlein, P. R. G. Virador, Q. Z. Li-Demarteau, Y. Y. Shao, T. Hu, F. Borcherding, A. S. Ito, A. Goldschmidt, W. Smart, K. A. Johns, J. S. Hoftun, J. N. Butler, M. Diesburg, H. Johnstad, Laurent Chevalier, K. Streets, Vipin Bhatnagar, M. H.G. Souza, D. Owen, Stephen Wimpenny, M. A. C. Cummings, E. Oltman, T. Yasuda, R. Partridge, Harrison Prosper, D. Denisov, T. McKibben, J. Teiger, Randy Ruchti, E. Flattum, P. D. Grannis, H. Piekarz, J. Tarazi, Heriberto Castilla-Valdez, T. Marshall, G. Griffin, H. E. Montgomery, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, M. V. S. Rao, Sarah Catherine Eno, G. E. Forden, A. P. Heinson, Darien Wood, C. H. Park, Nicholas John Hadley, H. S. Mao, Vyacheslav Klyukhin, D. L. Adams, Alexander Vorobiev, Ying Li, S. Blessing, Scott Snyder, R. Markeloff, N. Amos, R. E. Hall, D. Stewart, S. N. Gurzhiev, J. L. González Solís, A. Baden, G. C. Blazey, D. P. Stoker, R. Astur, M. D. Marx, R. J. Madaras, S. Margulies, T. Fahland, R. Yamada, J. Li, S. Lami, S. H. Ahn, A. Pluquet, H. D. Wahl, P.F. Ermolov, J. Wilcox, T. Heuring, Orin I. Dahl, John Rutherfoord, G. Álvarez, B. Baldin, Mary Beth Adams, D. Hedin, V. S. Burtovoi, Quing Zhu, Y. Ducros, J. Kotcher, I. Bertram, James C. Green, N. Graf, Bruno Mansoulie, F. Lobkowicz, T. Rockwell, R. L. Dixon, Michael Rijssenbeek, D. Buchholz, P. Tamburello, V. N. Evdokimov, J. Warchol, D.S. Koltick, Heng Xu, J. T. Linnemann, Gregory R Snow, B. G. Pope, Victor Daniel Elvira, S. Youssef, Elizaveta Shabalina, Robert Kehoe, J. Balderston, D. Lincoln, Eunil Won, J. T. White, S. A. Jerger, A. Leflat, W. G. Cobau, M. I. Martin, Ph. Mangeot, Raymond Brock, Boaz Klima, H. Johari, V. Balamurali, D. Norman, S. Willis, M. Pang, A. N. Galyaev, W. E. Cooper, Daniel R Claes, N. A. Roe, S. Chopra, M. Chung, K. Denisenko, A. L. Lyon, Shuichi Kunori, J. Jaques, Ron Lipton, J. Womersley, J. Featherly, Nikolai Mokhov, V. Glebov, Marvin Johnson, S. Feher, A. V. Kozelov, Brajesh C Choudhary, Bobby Samir Acharya, H. A. Neal, C. T. Murphy, H. C. Shankar, M. Goforth, G. Finocchiaro, C. Cretsinger, S. Durston-Johnson, M. Strovink, E. James, A. Klatchko, N. Denisenko, S. Reucroft, C. Yoshikawa, Gilvan Alves, Andrew White, P. Grudberg, T. McMahon, Y. E. Gutnikov, J. Kourlas, John Hobbs, Young-Sang Yu, D. Pušeljić, S. P. Denisov, M. R. Krishnaswamy, M. Mohammadi-Baarmand, F. Hsieh, S. Grünendahl, D. Nešić, A. Para, Sergey Chekulaev, Haifeng Li, I. Adam, P. Rubinov, K. W. Merritt, A. L. Spadafora, J. F. Bartlett, Yanwen Liu, L. Lueking, Meenakshi Narain, A. Peryshkin, K. Bazizi, A. Narayanan, M. L. Kelly, M. Sosebee, Howard Gordon, K. C. Frame, O. Ramirez, J. Alitti, J. Bantly, Andrew Brandt, R. Engelmann, Liu Chen, H.E. Miettinen, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, J. Borders, Dongliang Zhang, J. Z.Y. Jiang, L. T. Goss, E. A. Kozlovski, H. Haggerty, and S. Lökös
Subjects: Quantum chromodynamics, Physics, Particle physics, High Energy Physics::Phenomenology, Electroweak interaction, Tevatron, General Physics and Astronomy, Multiplicity (mathematics), Jet (particle physics), law.invention, Nuclear physics, law, High Energy Physics::Experiment, Production (computer science), Rapidity, Collider
Abstract: A study of the particle multiplicity between jets with large rapidity separation has been performed using the D\O\ detector at the Fermilab Tevatron $p\bar{p}$ Collider operating at $\sqrt{s}=1.8$\,TeV. A significant excess of low-multiplicity events is observed above the expectation for color-exchange processes. The measured fractional excess is $1.07 \pm 0.10({\rm stat})~{ + 0.25}_{- 0.13}({\rm syst})\%$, which is consistent with a strongly-interacting color-singlet (colorless) exchange process and cannot be explained by electroweak exchange alone. A lower limit of $0.80\%$ (95\% C.L.) is obtained on the fraction of dijet events with color-singlet exchange, independent of the rapidity gap survival probability.
Published: 1996

17. Second Generation Leptoquark Search inpp¯Collisions ats=1.8TeV

Author: N. A. Roe, S. Chopra, M. Chung, E. Amidi, J. V.D. Wirjawan, J. R. T. de Mello Neto, P. A. Rapidis, S. P. Denisov, M. R. Krishnaswamy, B. May, F. Hsieh, S. Grünendahl, M. L. Kelly, Howard Gordon, A. Para, K. C. Frame, O. Ramirez, Sergey Chekulaev, Raymond Brock, Boaz Klima, A. Kernan, A. Jonckheere, Stephan Linn, I. Adam, P. Rubinov, T. Huehn, D. Norman, N. Oshima, K. Streets, Vipin Bhatnagar, S. Youssef, A. Goldschmidt, K. W. Merritt, A. L. Spadafora, Elizabeth Gallas, S. Willis, C. S. Mishra, G. Guglielmo, J. F. Bartlett, D. Neić, Yanwen Liu, L. Lueking, C. Cretsinger, M. Pang, R. L. McCarthy, M. D. Marx, H. D. Wahl, Daria Zieminska, B. Gobbi, R. Partridge, E. Flattum, G. Griffin, R. Hatcher, Vasken Hagopian, M. Strovink, E. James, J. Bendich, S. Rusin, H. Weerts, R. D. Schamberger, A. N. Galjaev, A. Smith, J. F. Lebrat, Y. Pischalnikov, Ulrich Heintz, Robert Kehoe, D. Fein, Jasvinder A. Singh, L. Markosky, H. Jöstlein, C. H. Park, M. Diesburg, R. J. Madaras, H. S. Mao, G. Di Loreto, J. Balderston, Peter Nemethy, K. Denisenko, N. Parua, T. Fahland, D. L. Adams, A. Baden, G. C. Blazey, F. Wen, E. W. Anderson, W. E. Cooper, H. Johnstad, T. Yasuda, Matthew Jones, D. Hedin, D. Denisov, J. Teiger, Srinivasan Rajagopalan, G. Eppley, Daniel R Claes, J. Yang, D. Owen, J. Wilcox, W. Smart, K. A. Johns, Thomas Ferbel, W. Y. Chen, Dan Green, J. G.R. Lima, R. Astur, Erich Varnes, J. M. De Miranda, S. Igarashi, P. R. G. Virador, J. Tarazi, G. Wang, Alberto Santoro, T. Heuring, Q. Z. Li-Demarteau, I. Bertram, Bruno Mansoulie, A. S. Ito, A. L. Lyon, Shuichi Kunori, D. Lincoln, Eunil Won, P. I. Goncharov, R. Yamada, George R. Kalbfleisch, W. Guryn, V. M. Podstavkov, M. Sosebee, F. Lobkowicz, Seong Keun Kim, Randy Ruchti, Paolo Franzini, V. S. Narasimham, S. Fuess, I. V. Mandrichenko, S. H. Ahn, Allen Mincer, L. Z. Wang, Thomas G Trippe, T. Rockwell, V. Oguri, Christina Gao, R. Hernández-Montoya, A. Milder, W. X. Gu, R. L. Dixon, C. T. Murphy, Michael Rijssenbeek, Sharon Hagopian, C. Murphy, H. L. Melanson, P. Z. Quintas, M. Fortner, J. M. Hauptman, J. Alitti, Cecilia Elena Gerber, S. Fahey, A. A. Mayorov, A. K.A. Maciel, J. Bantly, N. Grossman, J. Perkins, M. K. Fatyga, M. H.G. Souza, Orin I. Dahl, John Rutherfoord, V. N. Evdokimov, J. Warchol, B. Gibbard, Jianming Qian, J. H. Christenson, G. Finocchiaro, D.S. Koltick, M. Bhattacharjee, V. Sirotenko, O. V. Eroshin, J. Sculli, V. A. Bezzubov, R. Hirosky, Mary Beth Adams, H. E. Montgomery, Jing Li, Phillip Gutierrez, J. P. Negret, R. P. Smith, S. Glenn, Tong Hu, J. McKinley, S. Durston-Johnson, J. Jaques, P. Bloom, Michael Shupe, D. A. Stoianova, J. A. Wightman, S. Krzywdzinski, Ron Lipton, Laurent Chevalier, S. Reucroft, Stephen Wimpenny, V. I. Kochetkov, N. I. Bojko, J. Womersley, T. L. Taylor, Y. S. Zhu, C. Yoshikawa, S. Gao, Andrew Brandt, G. Álvarez, R. Snihur, T. Marshall, A. Zylberstejn, Nikolai Mokhov, J. A. Guida, D. Casey, J. Wang, Harrison Prosper, Heriberto Castilla-Valdez, N. Varelas, M. L. Stevenson, S. Feher, H. Greenlee, James C. Green, R. Engelmann, Liu Chen, J. Kotcher, D. P. Stoker, Darien Wood, Allan G Clark, S. M. Chang, Nicholas John Hadley, J. S. Hoftun, J. N. Butler, A. Bross, P. D. Grannis, Brajesh C Choudhary, R. E. Lanou, D. Vititoe, A. Bischoff, A. V. Kostritskiy, M.K. Fatyga, N. Graf, H. Piekarz, S. Blessing, R. J. Genik, H.E. Miettinen, Rajendran Raja, C. Shaffer, D. Cullen-Vidal, K. Genser, Sissel Hansen, Scott Snyder, Bobby Samir Acharya, H. A. Neal, R. Markeloff, J. Yu, Serban Protopopescu, F. Nang, C. K. Jung, N. N. Biswas, H. C. Shankar, J. T. Linnemann, R. K. Shivpuri, S. C. Loken, B. Baldin, C. Boswell, M. Goforth, D. Pueljić, Y. Ducros, Gilvan Alves, Brad Abbott, C. L. Kim, C. Klopfenstein, J. Drinkard, M. Tartaglia, S. Abachi, Hiroaki Aihara, K. Bazizi, Yu Fisyak, J. M. Guida, Welathantri Gd Dharmaratna, Kaushik De, D. Stewart, S. N. Gurzhiev, Suman Bala Beri, P. M. Tuts, S. H. Aronson, P. Padley, Alexey Volkov, K. S. Hahn, D. Cutts, R. W. Stephens, Victor Daniel Elvira, M. Abolins, Dhiman Chakraborty, James H Cochran, Mitchell Wayne, P. Mooney, Y. H. Zhou, H. Schellman, J. M. Kohli, G. E. Forden, A. P. Heinson, Greg Landsberg, N. K. Mondal, H. T. Diehl, A. L. Read, J. Thompson, Quing Zhu, B. Gómez, A. Boehnlein, P. M. Sood, T. L. Geld, Z. H. Zhu, Shashikant Dugad, J. Ellison, D. Edmunds, E. Neis, M. Paterno, J. Borders, R. Demina, R. E. Hall, J. Z.Y. Jiang, M. D. Peters, L. T. Goss, M. Mohammadi-Baarmand, L. Oesch, Haifeng Li, E. A. Kozlovski, H. Haggerty, S. Lökös, D. Buchholz, Meenakshi Narain, A. Peryshkin, P. Tamburello, Heng Xu, W. A. Wenzel, L. T. Kerth, A. Narayanan, Ting Hu, B. G. Pope, Gregory R Snow, A. Zieminski, P. Yamin, N. Amos, S. Y. Jun, S. Mani, Elizaveta Shabalina, R. Madden, L. Rasmussen, Peter W. Draper, S. Margulies, S. Lami, A. Pluquet, P.F. Ermolov, Yanxi Zhang, A. Koltick, V. S. Burtovoi, J. T. White, J. Featherly, V. Glebov, Marvin Johnson, A. V. Kozelov, T. McKibben, M. V. S. Rao, Alexander Vorobiev, Pushpalatha C Bhat, M. Mudan, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, A. Taketani, Y. M. Park, S.A. Kahn, M. Demarteau, R. E. Avery, S. A. Jerger, A. Leflat, W. G. Cobau, M. I. Martin, J. S. Kang, Ph. Mangeot, H. Johari, V. Balamurali, Andrew White, P. Grudberg, T. McMahon, Y. E. Gutnikov, J. Kourlas, John Hobbs, Young-Sang Yu, T. Joffe-Minor, C. Yanagisawa, H. E. Fisk, J. Solomon, B. I. Klochkov, F. Borcherding, E. Oltman, Sarah Catherine Eno, Vyacheslav Klyukhin, and Ying Li
Subjects: Quark, Physics, Particle physics, Physics::Instrumentation and Detectors, Branching fraction, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Particle identification, Nuclear physics, High Energy Physics::Experiment, Leptoquark, Fermilab, Neutrino, Lepton
Abstract: We report on a search for second generation scalar leptoquarks with the D0 detector at the Fermilab Tevatron pp collider at √s = 1.8 TeV. This search is based on 12.7 pb-1 of data. Second generation leptoquarks are assumed to be produced in pairs and to decay into a neutrino and quark with branching ratio β or into a neutrino and quark with branching ratio 1 - β. We obtain cross section times branching ratio limits as a function of leptoquark mass and set lower limits on the leptoquark mass at the 95% confidence level.
Published: 1995

18. Study of the Strong Coupling Constant UsingW+JetProcesses

Author: J. Drinkard, Jianming Qian, M. Tartaglia, B. May, Kaushik De, I. Bertram, Tong Hu, Bruno Mansoulie, S. H. Aronson, M. Mohammadi-Baarmand, S. Fahey, F. Borcherding, J. Yu, B. Gobbi, F. Lobkowicz, C. L. Kim, Hiroaki Aihara, P. I. Goncharov, P. M. Tuts, R. W. Stephens, W. Guryn, Haifeng Li, T. Rockwell, R. L. Dixon, Michael Rijssenbeek, W. Y. Chen, George R. Kalbfleisch, Paolo Franzini, V. S. Narasimham, Thomas G Trippe, W. X. Gu, D. Buchholz, A. A. Mayorov, E. Oltman, M. K. Fatyga, Jasvinder A. Singh, Meenakshi Narain, A. Peryshkin, H. Johnstad, T. Yasuda, J. Jaques, S. Rusin, P. Yamin, S. Krzywdzinski, J. Bendich, P. Tamburello, Heng Xu, V. I. Kochetkov, G. Eppley, S. Mani, B. Gibbard, Ron Lipton, V. N. Evdokimov, J. Warchol, D.S. Koltick, Sarah Catherine Eno, L. Markosky, A. Narayanan, M. Bhattacharjee, J. Sculli, A. Zylberstejn, M. L. Kelly, Howard Gordon, K. C. Frame, Sharon Hagopian, J. Womersley, C. Cretsinger, O. Ramirez, M. Strovink, R. Madden, L. Rasmussen, G. Wang, Alberto Santoro, Gregory R Snow, P. Padley, Peter W. Draper, A. K.A. Maciel, Pushpalatha C Bhat, Alexey Volkov, M. Sosebee, Elizabeth Gallas, H. Greenlee, T. Hu, Y. Pischalnikov, Ulrich Heintz, R. Astur, T. Heuring, J. G.R. Lima, H. Jöstlein, E. James, Laurent Chevalier, Seong Keun Kim, G. Di Loreto, V. A. Bezzubov, Vyacheslav Klyukhin, Nikolai Mokhov, J. P. Negret, R. Hirosky, Ying Li, S. P. Denisov, R. P. Smith, James H Cochran, R. Hatcher, W. A. Wenzel, L. T. Kerth, M. A.C. Cummings, J. Alitti, Stephen Wimpenny, J. Bantly, B. Hoeneisen, Lee Sawyer, Mitchell Wayne, A. Bross, C. K. Jung, M. R. Krishnaswamy, H. Schellman, J. M. Kohli, S. Feher, B. Baldin, M. Diesburg, A. Baden, Michael Shupe, F. Hsieh, D. Owen, T. Marshall, Gilvan Alves, D. Pueljić, T. Joffe-Minor, G. C. Blazey, C. Yanagisawa, J. Tarazi, M. H.G. Souza, Darien Wood, Nicholas John Hadley, Andrew Brandt, R. Engelmann, Liu Chen, H.E. Miettinen, S. Grünendahl, A. Para, J. Thompson, Sergey Chekulaev, B. Gómez, Z. H. Zhu, W. Smart, K. A. Johns, T. L. Taylor, R. Yamada, S. H. Ahn, Y. Y. Shao, Serban Protopopescu, J. Wang, Harrison Prosper, A. Taketani, Y. M. Park, Brajesh C Choudhary, S.A. Kahn, H. E. Montgomery, S. A. Jerger, Raymond Brock, Boaz Klima, A. S. Ito, Shashikant Dugad, M. D. Marx, H. D. Wahl, S. Blessing, Y. Ducros, H. E. Fisk, J. Solomon, M. Demarteau, R. E. Avery, I. Adam, P. Rubinov, D. Denisov, J. Teiger, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, D. P. Stoker, Orin I. Dahl, John Rutherfoord, Scott Snyder, R. Markeloff, M. Abolins, R. Snihur, N. Varelas, R. Demina, A. Leflat, S. Fuess, K. W. Merritt, N. Amos, S. Margulies, S. Lami, A. L. Spadafora, G. E. Forden, A. P. Heinson, A. Pluquet, Mary Beth Adams, P. A. Rapidis, W. G. Cobau, M. I. Martin, C. Shaffer, D. Cullen-Vidal, K. Genser, V. Oguri, P. Mooney, S. M. Chang, Heriberto Castilla-Valdez, K. Denisenko, J. F. Bartlett, N. A. Roe, S. Chopra, M. Chung, P.F. Ermolov, Yanxi Zhang, D. Norman, D. Neić, Yanwen Liu, F. Wen, A. Kernan, A. Jonckheere, N. N. Biswas, E. W. Anderson, N. K. Mondal, H. T. Diehl, J. Yang, Victor Daniel Elvira, L. Lueking, B. I. Klochkov, V. Sirotenko, Stephan Linn, R. E. Hall, V. S. Burtovoi, J. S. Kang, J. L. González Solís, James C. Green, A. Boehnlein, P. M. Sood, P. Bloom, J. A. Wightman, J. Ellison, A. L. Lyon, Shuichi Kunori, M. Mudan, K. Bazizi, R. J. Madaras, N. Oshima, K. S. Hahn, T. Huehn, Daria Zieminska, S. Willis, M. Pang, N. I. Bojko, O. V. Eroshin, J. Kotcher, J. Featherly, D. Cutts, V. M. Podstavkov, R. D. Schamberger, A. Smith, D. Fein, Allen Mincer, G. Lvarez, J. F. Lebrat, V. Glebov, Marvin Johnson, A. V. Kozelov, S. Gao, Andrew White, Greg Landsberg, C. T. Murphy, Erich Varnes, D. Stewart, S. N. Gurzhiev, J. M. De Miranda, M. Fortner, Phillip Gutierrez, M. L. Stevenson, T. L. Geld, A. Bischoff, J. Perkins, P. Grudberg, T. McMahon, M. Nicola, E. Amidi, J. V.D. Wirjawan, Y. E. Gutnikov, Ph. Mangeot, A. V. Kostritskiy, M. Paterno, J. R. T. de Mello Neto, Allan G Clark, D. Hedin, G. Finocchiaro, N. Graf, J. Kourlas, N. Grossman, Sissel Hansen, J. M. Guida, J. S. Hoftun, J. N. Butler, P. D. Grannis, John Hobbs, F. Nang, H. Piekarz, Dhiman Chakraborty, Quing Zhu, Jing Li, A. N. Galyaev, S. Durston-Johnson, S. Youssef, C. S. Mishra, Young-Sang Yu, M.K. Fatyga, N. Denisenko, S. Reucroft, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, C. Yoshikawa, Robert Kehoe, M. Goforth, J. Balderston, R. L. McCarthy, J. Borders, G. Guglielmo, C. Klopfenstein, D. Lincoln, Eunil Won, H. L. Melanson, P. Z. Quintas, W. E. Cooper, Daniel R Claes, Dongliang Zhang, A. Klatchko, J. Z.Y. Jiang, I. V. Mandrichenko, Vasken Hagopian, Y. Fisyak, J. H. Christenson, H. Johari, V. Balamurali, R. Hernández-Montoya, A. Milder, L. T. Goss, Peter Nemethy, B. G. Pope, H. Weerts, C. Murphy, K. Streets, Vipin Bhatnagar, R. Partridge, E. Flattum, G. Griffin, N. Parua, C. H. Park, Elizaveta Shabalina, H. S. Mao, Matthew Jones, D. L. Adams, E. A. Kozlovski, J. T. White, H. Haggerty, S. Lökös, S. Igarashi, P. R. G. Virador, T. McKibben, M. V. S. Rao, Q. Z. Li-Demarteau, Alexander Vorobiev, Randy Ruchti, C. Boswell, S. Abachi, Suman Bala Beri, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, D. Vititoe, R. J. Genik, A. L. Read, D. Edmunds, E. Neis, Andre Sznajder, M. D. Peters, L. Oesch, A. Goldschmidt, T. Fahland, J. Wilcox, Ting Hu, A. Zieminski, S. Y. Jun, J. A. Guida, D. Casey, Rajendran Raja, S. C. Loken, Brad Abbott, Welathantri Gd Dharmaratna, J. M. Hauptman, Cecilia Elena Gerber, and R. K. Shivpuri
Subjects: Physics, Quantum chromodynamics, Coupling constant, Particle physics, Computer Science::Information Retrieval, Hadron, Tevatron, General Physics and Astronomy, Order (ring theory), Parton, Jet (particle physics), Coupling (probability), Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment
Abstract: The ratio of the number of {ital W}+1 jet to {ital W}+0 jet events is measured with the D0 detector using data from the 1992--93 Tevatron Collider run. For the {ital W}{r_arrow}{ital e}{nu} channel with a minimum jet {ital E}{sub {ital T}} cutoff of 25 GeV, the experimental ratio is 0.065{plus_minus}0.003(stat){plus_minus}0.007(syst). Next-to-leading order QCD predictions for various parton distributions agree well with each other and are all over 1 standard deviation below the measurement. Varying the strong coupling constant {alpha}{sub {ital s}} in both the parton distributions and the partonic cross sections simultaneously does not remove this discrepancy. {copyright} {ital 1995} {ital The} {ital American} {ital Physical} {ital Society}.
Published: 1995

19. Transverse energy distributions within jets in p collisions at =1.8

Author: J. G.R. Lima, A. S. Ito, G. Álvarez, N. A. Roe, J. Kotcher, C. T. Murphy, W. Y. Chen, G. Finocchiaro, George R. Kalbfleisch, Paolo Franzini, V. S. Narasimham, J. Featherly, V. Glebov, Marvin Johnson, S. Chopra, M. Chung, W. A. Wenzel, Thomas G Trippe, W. X. Gu, N. Parua, A. V. Kozelov, A. A. Mayorov, Matthew Jones, M. K. Fatyga, F. Wen, S. Durston-Johnson, R. Hatcher, R. K. Shivpuri, Sharon Hagopian, A. K.A. Maciel, A. Para, J. A. Guida, D. Casey, J. Drinkard, Allen Mincer, Kaushik De, M. Mohammadi-Baarmand, S. H. Aronson, C. K. Jung, N. Denisenko, I. V. Mandrichenko, S. A. Jerger, S. Reucroft, C. Yoshikawa, C. Cretsinger, M. Strovink, E. James, S. Igarashi, P. R. G. Virador, K. S. Hahn, D. Nešić, R. Hernández-Montoya, D. Cutts, B. May, S. Krzywdzinski, A. Milder, C. Murphy, D. Edmunds, V. I. Kochetkov, Gilvan Alves, E. W. Anderson, N. Amos, J. Jaques, E. Neis, R. Snihur, N. Varelas, Q. Z. Li-Demarteau, Haifeng Li, P. Padley, A. Leflat, Ron Lipton, Alexey Volkov, K. Streets, Vipin Bhatnagar, B. Gobbi, A. Zylberstejn, M. Bhattacharjee, J. M. Hauptman, R. Partridge, E. Flattum, Rajendran Raja, W. G. Cobau, M. I. Martin, Greg Landsberg, G. Griffin, J. Womersley, James H Cochran, Cecilia Elena Gerber, Mitchell Wayne, H. Schellman, J. M. Kohli, S. M. Chang, Randy Ruchti, H. Greenlee, S. Youssef, J. Borders, J. Thompson, Jasvinder A. Singh, J. Yu, M. D. Marx, H. D. Wahl, R. L. McCarthy, K. Denisenko, J. S. Kang, R. Hirosky, S. Feher, A. Bross, S. C. Loken, Meenakshi Narain, B. Gómez, Z. H. Zhu, A. Peryshkin, Shashikant Dugad, C. H. Park, C. S. Mishra, H. S. Mao, G. Guglielmo, A.L. Read, D. L. Adams, W. E. Cooper, H. Johnstad, T. Yasuda, C. L. Kim, T. L. Geld, Hiroaki Aihara, C. Klopfenstein, P. M. Tuts, M. D. Peters, A. L. Lyon, Shuichi Kunori, Daniel R Claes, J. Z.Y. Jiang, Serban Protopopescu, Brajesh C Choudhary, R. Demina, Robert Kehoe, A. Bischoff, Ph. Mangeot, A. V. Kostritskiy, Bobby Samir Acharya, M. L. Stevenson, M. Paterno, Brad Abbott, H. A. Neal, H. C. Shankar, R. W. Stephens, J. T. Linnemann, R. Astur, Jianming Qian, Y. Pischalnikov, Ulrich Heintz, J. Balderston, J. M. Guida, T. Huehn, Peter Nemethy, Sissel Hansen, Dhiman Chakraborty, H. Jöstlein, D. Buchholz, M. Goforth, F. Nang, D. Fein, D. Pušeljié, Vasken Hagopian, H. Weerts, A. Baden, A. Narayanan, G. C. Blazey, M. Diesburg, T. Heuring, L. Oesch, L. T. Goss, Welathantri Gd Dharmaratna, H. L. Melanson, P. Z. Quintas, K. Bazizi, M. Sosebee, Erich Varnes, A. Klatchko, T. L. Taylor, R. Yamada, J. M. De Miranda, D. Owen, N. Mokhov, N. Graf, H. Johari, V. Balamurali, D. Lincoln, J. H. Christenson, S. H. Ahn, P. Tamburello, J. Tarazi, T. McKibben, M. V. S. Rao, Heng Xu, Eunil Won, Allan G Clark, J. Alitti, Andrew White, A. Goldschmidt, Orin I. Dahl, John Rutherfoord, Heriberto Castilla-Valdez, N. Grossman, J. Bantly, P. Grudberg, P. I. Goncharov, Alexander Vorobiev, R. E. Lanou, S. Fuess, T. McMahon, Mary Beth Adams, Y. E. Gutnikov, Raymond Brock, Tong Hu, Boaz Klima, J. Kourlas, Jing Li, M.K. Fatyga, B. Baldin, E. A. Kozlovski, D. Norman, C. S. Gao, John Hobbs, P. Yamin, Andrew Brandt, R. Engelmann, Y. H. Zhou, S. Willis, M. Pang, Y. Ducros, T. Joffe-Minor, Liu Chen, G. E. Forden, C. Yanagisawa, A. P. Heinson, A. Kernan, Young-Sang Yu, V. Sirotenko, H.E. Miettinen, O. V. Eroshin, S. Mani, M. Abolins, H. Haggerty, S. Lökös, B. G. Pope, H. E. Fisk, Y. K. Li, James C. Green, S. Glenn, J. McKinley, Phillip Gutierrez, Gregory R Snow, R. E. Hall, R. Madden, L. Rasmussen, F. Borcherding, D. A. Stoianova, P. Mooney, Peter W. Draper, J. Solomon, J. Yang, Y. S. Zhu, Elizaveta Shabalina, Pushpalatha C Bhat, M. Mudan, J. Teiger, M. A.C. Cummings, V. M. Podstavkov, N. K. Mondal, H. T. Diehl, B. Hoeneisen, Lee Sawyer, J. T. White, T. Fahland, M. Fortner, E. Oltman, B. I. Klochkov, A. Taketani, A. Boehnlein, P. M. Sood, Y. M. Park, S.A. Kahn, J. Perkins, J. Ellison, Victor Daniel Elvira, P. Bloom, J. A. Wightman, M. Demarteau, R. E. Avery, J. Bendich, J. Wilcox, N. I. Bojko, M. Tartaglia, M. H.G. Souza, P. A. Rapidis, G. Wang, Alberto Santoro, Seong Keun Kim, C. Shaffer, D. Cullen-Vidal, A. Jonckheere, Stephan Linn, S. Gao, N. Oshima, K. Genser, Daria Zieminska, N. N. Biswas, R. D. Schamberger, A. N. Galjaev, A. Smith, J. F. Lebrat, Sarah Catherine Eno, H. E. Montgomery, Ting Hu, D. Vititoe, A. Zieminski, Vyacheslav Klyukhin, J. S. Hoftun, J. N. Butler, P. D. Grannis, D. P. Stoker, H. Piekarz, R. J. Genik, S. Margulies, S. Lami, A. Pluquet, P.F. Ermolov, L. T. Kerth, Yanxi Zhang, V. S. Burtovoi, S. Y. Jun, C. Boswell, S. Abachi, Suman Bala Beri, I. Bertram, Bruno Mansoulie, F. Lobkowicz, L. Z. Wang, T. Rockwell, R. L. Dixon, Michael Rijssenbeek, V. N. Evdokimov, J. Warchol, D.S. Koltick, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, S. Rusin, J. Wang, Harrison Prosper, L. Markosky, G. Di Loreto, D. Denisov, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, R. J. Madaras, S. Fahey, D. Hedin, Yu Fisyak, D. Stewart, S. N. Gurzhiev, B. Gibbard, J. Sculli, Laurent Chevalier, Stephen Wimpenny, T. Marshall, Quing Zhu, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, E. Amidi, J. V.D. Wirjawan, J. R. T. de Mello Neto, Elizabeth Gallas, W. Smart, K. A. Johns, S. P. Denisov, V. Oguri, M. R. Krishnaswamy, F. Hsieh, S. Grünendahl, Sergey Chekulaev, I. Adam, P. Rubinov, K. W. Merritt, A. L. Spadafora, J. F. Bartlett, Yanwen Liu, L. Lueking, Wlodek Guryn, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, and G. Eppley
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Jet (fluid), Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Parton, Renormalization, Nuclear physics, Transverse plane, High Energy Physics::Experiment, Rapidity, Fermilab, Nuclear Experiment, Energy (signal processing)
Abstract: The distribution of the transverse energy in jets has been measured in p p collisions at s =1.8 TeV TeV using the DO detector at Fermilab. This measurement of the jet shape is made as a function of jet transverse energy in both the central and forward rapidity regions. Jets are shown to narrow both with increasing transverse energy and with increasing rapidity. Next-to-leading order partonic QCD calculations are compared to the data. Although the calculations qualitatively describe the data, they are shown to be very dependent on renormalization scale, parton clustering algorithm, and jet direction definition and they fail to describe the data in all regions consistently.
Published: 1995

20. Search for heavy W bosons in 1.8 TeV p collisions

Author: P. A. Rapidis, S. Margulies, T. Joffe-Minor, S. Lami, A. Kernan, A. Jonckheere, C. Yanagisawa, A. L. Read, A. Pluquet, Stephan Linn, P.F. Ermolov, Yanxi Zhang, H. E. Fisk, J. Yang, N. Oshima, B. May, G. Eppley, P. Padley, V. S. Burtovoi, J. Solomon, Daria Zieminska, D. Edmunds, E. Neis, Alexey Volkov, R. D. Schamberger, A. N. Galjaev, A. Smith, J. F. Lebrat, Y. H. Zhou, V. M. Podstavkov, G. E. Forden, James H Cochran, A. P. Heinson, M. Mohammadi-Baarmand, J. G.R. Lima, B. Gobbi, Mitchell Wayne, H. Schellman, J. M. Kohli, M. Fortner, R. E. Hall, M. D. Peters, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, S. A. Jerger, J. Perkins, S. Fuess, D. Nešić, J. T. Linnemann, J. Thompson, C. Cretsinger, M. Strovink, L. Oesch, M. Goforth, B. Gómez, A. Leflat, Jasvinder A. Singh, Pushpalatha C Bhat, M. Mudan, A. S. Ito, N. Mokhov, E. James, W. G. Cobau, M. I. Martin, H. Johnstad, T. Huehn, Z. H. Zhu, D. Fein, Erich Varnes, B. I. Klochkov, J. M. De Miranda, Shashikant Dugad, N. Grossman, Haifeng Li, Jing Li, A. Klatchko, C. Shaffer, D. Cullen-Vidal, K. Genser, N. N. Biswas, F. Borcherding, J. S. Kang, S. Krzywdzinski, T. Yasuda, V. I. Kochetkov, W. E. Cooper, Daniel R Claes, A. Zylberstejn, H. Greenlee, V. Sirotenko, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, R. Demina, Gilvan Alves, O. V. Eroshin, A. Bross, Ph. Mangeot, Pm Tuts, Serban Protopopescu, E. Oltman, K. Streets, Vipin Bhatnagar, B. Baldin, Meenakshi Narain, A. Peryshkin, A. Taketani, Phillip Gutierrez, C. Boswell, M. H.G. Souza, J. Bendich, C. T. Murphy, J. Jaques, S. Abachi, Ron Lipton, M. Bhattacharjee, Y. M. Park, P. Yepes, R. Partridge, E. Flattum, H. E. Montgomery, R. Astur, J. Womersley, A. Bischoff, A. V. Kostritskiy, G. Griffin, W. A. Wenzel, Y. Ducros, S.A. Kahn, Sarah Catherine Eno, M. Demarteau, R. E. Avery, Y. S. Zhu, C. S. Mishra, Sissel Hansen, T. Heuring, A. Goldschmidt, A. Narayanan, N. Graf, Suman Bala Beri, F. Nang, R. Hirosky, J. Yu, S. Feher, C. H. Park, H. Johari, V. Balamurali, D. Pušeljić, H. S. Mao, Vyacheslav Klyukhin, G. Guglielmo, D. P. Stoker, R. K. Shivpuri, S. Durston-Johnson, M. Sosebee, G. Wang, Alberto Santoro, Brajesh C Choudhary, D. L. Adams, Ying Li, A. Baden, D. Buchholz, K. Bazizi, V. A. Bezzubov, Seong Keun Kim, G. C. Blazey, Vasken Hagopian, H. Weerts, Sharon Hagopian, C. L. Kim, T. McKibben, M. V. S. Rao, N. Denisenko, S. Reucroft, N. Amos, G. Finocchiaro, Victor Daniel Elvira, J. P. Negret, N. A. Roe, S. Chopra, Raymond Brock, Boaz Klima, S. Glenn, J. McKinley, T. L. Taylor, J. Alitti, M. Chung, C. Yoshikawa, Hiroaki Aihara, P. Tamburello, R. P. Smith, R. Yamada, J. Bantly, J. Featherly, Heng Xu, A. K.A. Maciel, J. M. Hauptman, J. Borders, Cecilia Elena Gerber, D. A. Stoianova, P. Yamin, Michael Shupe, V. Glebov, Alexander Vorobiev, Marvin Johnson, S. Youssef, D. Norman, F. Wen, S. H. Ahn, R. Hatcher, Heriberto Castilla-Valdez, G. Álvarez, A. V. Kozelov, J. Z.Y. Jiang, J. Kotcher, Jianming Qian, Orin I. Dahl, John Rutherfoord, S. Mani, D. Vititoe, R. J. Genik, Gregory R Snow, L. T. Goss, R. W. Stephens, S. Willis, M. Pang, Robert Kehoe, Andrew White, R. Madden, N. Parua, Andrew Brandt, R. Engelmann, Liu Chen, Mary Beth Adams, J. Wang, Harrison Prosper, J. Drinkard, T. Fahland, E. W. Anderson, R. Snihur, J. Balderston, N. Varelas, L. Rasmussen, Peter W. Draper, P. Grudberg, T. McMahon, Y. E. Gutnikov, K. Denisenko, H.E. Miettinen, Allen Mincer, Y. Pischalnikov, Ulrich Heintz, J. Kourlas, Christina Gao, H. Jöstlein, J. Wilcox, A. L. Lyon, I. Bertram, W. Y. Chen, Bruno Mansoulie, Matthew Jones, E. A. Kozlovski, Tong Hu, S. M. Chang, James C. Green, D. Lincoln, Eunil Won, F. Lobkowicz, B. G. Pope, Kaushik De, Shuichi Kunori, John Hobbs, M. Diesburg, J. A. Guida, D. Casey, H. Haggerty, S. Lökös, D. Owen, J. Tarazi, H. L. Melanson, P. Z. Quintas, L. Z. Wang, George R. Kalbfleisch, T. Rockwell, R. L. Dixon, J. H. Christenson, Michael Rijssenbeek, P. Bloom, J. A. Wightman, K. S. Hahn, Paolo Franzini, V. S. Narasimham, Thomas G Trippe, W. X. Gu, Young-Sang Yu, Elizaveta Shabalina, D. Cutts, J. Teiger, S. Igarashi, P. R. G. Virador, Q. Z. Li-Demarteau, N. I. Bojko, Rajendran Raja, S. C. Loken, C. Klopfenstein, V. N. Evdokimov, M. L. Stevenson, D.S. Koltick, A. A. Mayorov, Greg Landsberg, S. Gao, Brad Abbott, S. H. Aronson, J. T. White, M. K. Fatyga, Welathantri Gd Dharmaratna, J. M. Guida, T. L. Geld, Dhiman Chakraborty, M. Paterno, Ting Hu, Randy Ruchti, J. S. Hoftun, J. N. Butler, P. D. Grannis, R. L. McCarthy, H. Piekarz, Peter Nemethy, Laurent Chevalier, Stephen Wimpenny, A. Zieminski, R. J. Madaras, D. Hedin, L. T. Kerth, T. Marshall, S. Y. Jun, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, B. Gibbard, J. Sculli, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, S. P. Denisov, M. R. Krishnaswamy, F. Hsieh, S. Grünendahl, A. Para, M. D. Marx, H. D. Wahl, Sergey Chekulaev, I. V. Mandrichenko, R. Hernández-Montoya, A. Milder, C. Murphy, I. Adam, P. Rubinov, Allan G Clark, K. W. Merritt, R. E. Lanou, M.K. Fatyga, C. K. Jung, A. L. Spadafora, J. F. Bartlett, Yanwen Liu, L. Lueking, M. Abolins, P. Mooney, N. K. Mondal, H. T. Diehl, A. Boehnlein, P. M. Sood, J. Ellison, P. I. Goncharov, W. Guryn, S. Rusin, L. Markosky, E. Amidi, J. V.D. Wirjawan, J. R. T. de Mello Neto, G. Di Loreto, D. Denisov, Srinivasan Rajagopalan, V. Oguri, Thomas Ferbel, Dan Green, Yu Fisyak, D. Stewart, S. N. Gurzhiev, J. Warchol, Quing Zhu, Elizabeth Gallas, S. Fahey, W. Smart, K. A. Johns, and M. Tartaglia
Subjects: Physics, Quark, Nuclear and High Energy Physics, Particle physics, Gauge boson, Branching fraction, High Energy Physics::Phenomenology, Tevatron, Standard Model, Nuclear physics, High Energy Physics::Experiment, Neutrino, Lepton, Boson
Abstract: A search for a heavy charged gauge boson, W′, using the decay channels W′ → eν and W′ → τν → eνν ν is reported. The data used in the analysis were collected by the DO experiment at the Fermilab Tevatron during the 1992-93 p p collider run from an integrated luminosity of 13.9 ± 0.8 pb−1 at s =1.8 TeV . Assuming that the neutrino from W′ decay is stable and has a mass significantly less than mW′, an upper limit at the 95% confidence level is set on the cross section times branching ratio for p p → W′ → eν . A W′ with the same couplings to quarks and leptons as the standard model W boson is excluded for mW′
Published: 1995

21. Search forWBoson Pair Production inpp¯Collisions ats=1.8TeV

Author: S. Rusin, Pushpalatha C Bhat, M. Bhattacharjee, B. G. Pope, M. Mudan, R. Hirosky, S. Krzywdzinski, L. Markosky, V. I. Kochetkov, S. Margulies, S. Lami, A. Zylberstejn, A. Pluquet, P.F. Ermolov, H. Greenlee, J. Yang, Y. H. Zhou, G. E. Forden, A. P. Heinson, R. E. Hall, A. Bross, Yanxi Zhang, Serban Protopopescu, M. Sosebee, Elizaveta Shabalina, T. L. Taylor, G. Di Loreto, V. S. Burtovoi, K. Streets, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, C. Boswell, A. Baden, Vipin Bhatnagar, J. T. White, J. Alitti, T. McKibben, M. V. S. Rao, J. Bantly, N. Parua, A. Taketani, D. Schmid, G. C. Blazey, R. Astur, T. Heuring, Y. M. Park, W. E. Cooper, L. P. Chen, Daniel R Claes, Alexander Vorobiev, R. Yamada, Andrew White, S. Abachi, Andrew Brandt, Y. E. Gutnikov, R. Engelmann, S.A. Kahn, R. J. Madaras, J. Kourlas, S. P. Denisov, P. Grudberg, R. Snihur, N. Varelas, Suman Bala Beri, A. Bischoff, A. V. Kostritskiy, Sissel Hansen, S. H. Ahn, M. Demarteau, R. E. Avery, V. M. Podstavkov, M. Fortner, R. E. Lanou, D. Buchholz, Bobby Samir Acharya, H. A. Neal, J. Perkins, Alberto Santoro, Seong Keun Kim, D. Denisov, H. C. Shankar, F. Nang, T. Joffe-Minor, C. Yanagisawa, J. T. Linnemann, M.K. Fatyga, Z. R. Wolf, John Hobbs, B. Gibbard, J. Teiger, Srinivasan Rajagopalan, Thomas Ferbel, J. Sculli, Dan Green, A. Efimov, J. Borders, John Rutherfoord, S. A. Jerger, P. Tamburello, H.E. Miettinen, P. I. Goncharov, Heng Xu, H. E. Fisk, A. Leflat, J. Yu, Ting Hu, M. R. Krishnaswamy, W. Guryn, M. Goforth, Matthew Jones, D. Hedin, W. G. Cobau, M. I. Martin, J. Z.Y. Jiang, J. S. Kang, F. Hsieh, A. R. Clark, J. Solomon, P. A. Rapidis, A. Kernan, A. Jonckheere, B. May, Ph. Mangeot, Mary Beth Adams, K. Bazizi, Young-Sang Yu, C. L. Kim, J. M.R. Roldan, F. Stocker, J. A. Wightman, Hiroaki Aihara, L. T. Goss, S. M. Chang, M. Mohammadi-Baarmand, S. Grünendahl, A. Para, N. I. Bojko, V. A. Bezzubov, J. P. Negret, R. P. Smith, Laurent Chevalier, Stephan Linn, Raymond Brock, Boaz Klima, S. Glenn, J. McKinley, D. A. Stoianova, Stephen Wimpenny, Gregory R Snow, Sergey Chekulaev, N. Oshima, Michael Shupe, T. G. Trippe, S. C. Loken, R. L. McCarthy, S. Gao, P. M. Tuts, H. Johari, V. Balamurali, Yu Fisyak, D. Stewart, Daria Zieminska, D. Norman, James C. Green, R. D. Schamberger, A. N. Galjaev, R. W. Stephens, A. Smith, E. A. Kozlovski, A. Zieminski, B. I. Klochkov, S. Willis, M. Pang, J. Featherly, S. N. Gurzhiev, J. F. Lebrat, B. Gobbi, M. D. Marx, F. Borcherding, Haifeng Li, J. S. Hoftun, J. N. Butler, J. M. Hauptman, Cecilia Elena Gerber, J. Wang, T. Marshall, P. D. Grannis, H. Haggerty, H. D. Wahl, H. Piekarz, M. H.G. Souza, Harrison Prosper, I. Adam, P. Rubinov, V. Glebov, W. Y. Chen, S. Igarashi, I. Bertram, H. E. Montgomery, K. W. Merritt, S. Lökös, Jasvinder A. Singh, Meenakshi Narain, A. Peryshkin, Bruno Mansoulie, Jianming Qian, Paolo Franzini, V. S. Narasimham, S. Youssef, F. Lobkowicz, Q. Z. Li-Demarteau, J. F. Bartlett, Marvin Johnson, D. Vititoe, L. Z. Wang, T. Rockwell, D. P. Stoker, A. A. Mayorov, Darien Wood, H. Johnstad, T. Yasuda, D. Neić, Yanwen Liu, R. L. Dixon, Michael Rijssenbeek, P. Yamin, R. J. Genik, A. V. Kozelov, Robert Kehoe, M. K. Fatyga, C. Klopfenstein, L. Lueking, C. K. Jung, A. Narayanan, J. Balderston, Nicholas John Hadley, Randy Ruchti, V. N. Evdokimov, A. L. Read, J. Warchol, Tong Hu, D.S. Koltick, S. Mani, J. M. Guida, Sarah Catherine Eno, C. S. Mishra, Peter Nemethy, D. Lincoln, Quing Zhu, R. Madden, L. Rasmussen, Vyacheslav Klyukhin, Peter W. Draper, Ying Li, I. V. Mandrichenko, Vasken Hagopian, D. Edmunds, E. Neis, S. Y. Jun, H. Weerts, S. Blessing, Scott Snyder, Eunil Won, B. Baldin, Dhiman Chakraborty, R. Hernández-Montoya, A. Milder, G. Eppley, K. S. Hahn, D. Cutts, C. Murphy, M. D. Peters, M. L. Kelly, J. A. Guida, D. Casey, Howard Gordon, K. C. Frame, O. Ramirez, Greg Landsberg, P. R.G. Virador, L. T. Kerth, Y. Ducros, R. Markeloff, S. Fahey, M. Abolins, A. Zinchenko, S. Fuess, T. L. Geld, P. Mooney, L. Oesch, J. G.R. Lima, M. Paterno, Sharon Hagopian, N. K. Mondal, H. T. Diehl, A. K.A. Maciel, V. Sirotenko, A. Boehnlein, P. M. Sood, E. Oltman, R. K. Shivpuri, O. V. Eroshin, J. Ellison, Victor Daniel Elvira, N. Amos, Y. S. Zhu, A. S. Ito, Rajendran Raja, J. Drinkard, M. Tartaglia, Heriberto Castilla-Valdez, Brad Abbott, Kaushik De, Welathantri Gd Dharmaratna, V. Oguri, W.A. Wenzel, C. Cretsinger, M. Strovink, S. H. Aronson, M. L. Stevenson, E. James, T. Fahland, J. Wilcox, S. Fredriksen, Gilvan Alves, E. Amidi, J. V.D. Wirjawan, J. R. T. de Mello Neto, Elizabeth Gallas, R. Hatcher, K. Denisenko, A. L. Lyon, Shuichi Kunori, C. T. Murphy, G. Finocchiaro, S. Durston-Johnson, N. Denisenko, S. Reucroft, C. Yoshikawa, W. Smart, K. A. Johns, R. Partridge, E. Flattum, G. Griffin, C. H. Park, H. S. Mao, D. L. Adams, G. Álvarez, J. Kotcher, O. I. Dahl, N. Graf, H. L. Melanson, P. Z. Quintas, J. H. Christenson, C. Milner, T. Huehn, D. Fein, Erich Varnes, J. M. De Miranda, N. Grossman, Jing Li, A. Klatchko, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, E. W. Anderson, N. A. Roe, M. Diesburg, S. Chopra, D. Owen, M. Chung, J. Tarazi, Allen Mincer, Christina Gao, P. Padley, Alexey Volkov, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, J. Thompson, B. Gómez, Z. H. Zhu, D. Pueljić, Shashikant Dugad, R. Demina, J. Jaques, Ron Lipton, J. Womersley, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, Nikolai Mokhov, N. N. Biswas, S. Feher, J. Bendich, A. L. Spadafora, and Brajesh C Choudhary
Subjects: Physics, Coupling constant, Gauge boson, Particle physics, High Energy Physics::Phenomenology, General Physics and Astronomy, Lambda, Coupling (probability), Luminosity, Standard Model, Nuclear physics, Pair production, High Energy Physics::Experiment, Bar (unit)
Abstract: The results of a search for W boson pair production in p{bar p} collisions at {radical}s = 1.8 TeV with subsequent decay to dilepton (e{mu}, ee, and {mu}{mu}) channels are presented. One event is observed with an expected background of 0.56 {plus_minus} 0.13 events with an integrated luminosity of approximately 14 pb{sup {minus}1}. Assuming equal strengths for the WWZ and WW{gamma} gauge boson coupling parameters {kappa} and {lambda}, limits on the CP-conserving anomalous coupling constants are {minus}2.6 < {delta}{kappa} < 2.8 and {minus}2.1 {lambda} < 2.1 at the 95% confidence level.
Published: 1995

22. Inclusiveμandb-Quark Production Cross Sections inpp¯Collisions at√s=1.8TeV

Author: N. A. Roe, S. Chopra, N. I. Bojko, M. Chung, D. Buchholz, I. Manning, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, C. Cretsinger, M. Strovink, E. James, Gilvan Alves, Y. H. Zhou, P. Tamburello, Heng Xu, G. E. Forden, A. P. Heinson, I. Bertram, N. N. Biswas, G. Finocchiaro, J. Featherly, D. Pizzuto, V. Glebov, Marvin Johnson, R. P. Xie, Gregory R Snow, A. V. Kozelov, J. Bendich, J. Yu, R. E. Hall, Laurent Chevalier, Stephen Wimpenny, S. Margulies, Bruno Mansoulie, F. Lobkowicz, J. R. Hubbard, W. Guryn, M. Tartaglia, J. Jaques, S. Lami, J. A. Guida, D. Casey, A. Pluquet, P.F. Ermolov, B. Pi, S. P. Denisov, P. Grudberg, A. Baden, S. Fuess, Ron Lipton, L. Z. Wang, R. L. Dixon, Yanxi Zhang, Michael Rijssenbeek, T. Huehn, T. Marshall, J. S. Hoftun, J. N. Butler, P. D. Grannis, J. Womersley, M. Sosebee, V. S. Burtovoi, C. L. Kim, G. C. Blazey, Ulrich Heintz, D. Fein, J. M. Hauptman, A. Kernan, H. Piekarz, M. R. Krishnaswamy, Raymond Brock, Boaz Klima, O. Ramirez, V. N. Evdokimov, Elizabeth Gallas, D. P. Eartly, Sharon Hagopian, H. Jöstlein, A. Jonckheere, J. Bantly, D.S. Koltick, Cecilia Elena Gerber, Darien Wood, V. A. Bezzubov, Mark Raymond Adams, S. Feher, Yu Fisyak, J. P. Negret, Hiroaki Aihara, G. Álvarez, Erich Varnes, M. Diesburg, Stephan Linn, J. M. De Miranda, V. Sirotenko, O. V. Eroshin, R. Yamada, D. Owen, A. L. Spadafora, Nicholas John Hadley, D. Schmid, R. P. Smith, D. Norman, Michael Shupe, A. K.A. Maciel, C. K. Jung, Yi Xia, D. Stewart, Jianming Qian, A. R. Clark, S. Grünendahl, A. Milder, M. Bhattacharjee, Y. Y. Shao, P. Padley, Mingming Yang, Alexey Volkov, P. M. Tuts, R. J. Madaras, J. Skeens, N. Oshima, Andrew Brandt, Brajesh C Choudhary, A. Para, R. Engelmann, S. H. Ahn, Rajendran Raja, C. Murphy, H. Schellman, Harrison Prosper, R. L. McCarthy, R. Hirosky, M. L. Good, S. Blessing, S. Willis, M. Pang, R. W. Stephens, Y. S. Zhu, E. Oltman, Tong Hu, Daria Zieminska, H.E. Miettinen, Sergey Chekulaev, N. Grossman, Bobby Samir Acharya, H. A. Neal, J. Borders, H. C. Shankar, B. Baldin, Scott Snyder, J. Kotcher, M. H.G. Souza, R. D. Schamberger, Matthew Jones, A. Smith, J. F. Lebrat, J. T. Linnemann, T. Joffe-Minor, Dongliang Zhang, H. E. Montgomery, R. Markeloff, Jing Li, M. Goforth, S. Igarashi, C. Yanagisawa, James H Cochran, Q. Z. Li-Demarteau, Mitchell Wayne, John Rutherfoord, Haifeng Li, Y. Ducros, D. Hedin, H. E. Fisk, J. Z.Y. Jiang, E. W. Anderson, K. Denisenko, C. Zeitnitz, Pushpalatha C Bhat, M. Mudan, Peter Nemethy, R. E. Lanou, Randy Ruchti, S. Krzywdzinski, M. Abolins, A. Zinchenko, J. Solomon, Brad Abbott, T. L. Taylor, J. M. Kohli, Meenakshi Narain, A. Peryshkin, W. Y. Chen, P. Mooney, D. Pueljić, O. I. Dahl, G. Eppley, V. I. Kochetkov, A. Klatchko, M.K. Fatyga, Z. R. Wolf, Vasken Hagopian, D. P. Stoker, T. G. Trippe, S. C. Loken, R. Snihur, B. I. Klochkov, J. G.R. Lima, M. A.C. Cummings, N. K. Mondal, H. T. Diehl, A. Zylberstejn, H. Weerts, A. Boehnlein, X. C. Meng, Heriberto Castilla-Valdez, J. Thompson, A. L. Lyon, Paolo Franzini, V. S. Narasimham, Welathantri Gd Dharmaratna, Shuichi Kunori, A. S. Ito, B. Hoeneisen, Lee Sawyer, W. E. Cooper, H. Greenlee, B. Gómez, P. M. Sood, G. Rahal-Callot, P. R.G. Virador, J. Ellison, Alberto Santoro, L. P. Chen, T. Behnke, Daniel R Claes, A. Bross, M. L. Kelly, Victor Daniel Elvira, A. A. Mayorov, S. M. Chang, James C. Green, B. Gibbard, A. Taketani, Howard Gordon, J. M.R. Roldan, Serban Protopopescu, M. K. Fatyga, Quing Zhu, F. Borcherding, K. C. Frame, L. T. Kerth, S.A. Kahn, C. T. Murphy, M. D. Marx, I. Adam, P. Rubinov, W. Smart, K. A. Johns, S. Youssef, Zhedong Zhang, R. Demina, M. Demarteau, R. E. Avery, K. W. Merritt, H. D. Wahl, E. A. Kozlovski, J. Sculli, A. Efimov, J. F. Bartlett, Robert Kehoe, J. Balderston, D. Xiao, C. Klopfenstein, D. Neić, Yanwen Liu, L. Lueking, S. Fahey, J. M. Guida, R. B. Li, Peter Loch, Sarah Catherine Eno, P. Yamin, Eunil Won, Dhiman Chakraborty, D. C. Wang, S. Durston-Johnson, R. K. Shivpuri, H. Haggerty, S. Mani, N. Denisenko, S. Reucroft, R. Madden, C. Yoshikawa, L. Rasmussen, Peter W. Draper, S. Rusin, L. Markosky, Vyacheslav Klyukhin, J. Drinkard, D. Denisov, J. P. Cussonneau, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, Ying Li, Kaushik De, T. Fahland, S. Lökös, Allen Mincer, P. Z. Quintas, Christina Gao, S. H. Aronson, J. Wilcox, K. S. Hahn, Ting Hu, A. Bischoff, D. Cutts, J. F. Glicenstein, E. Amidi, S. Fredriksen, Y. K. Que, Sissel Hansen, A. Zieminski, F. Nang, J. H. Christenson, J. Yang, J. R. T. de Mello Neto, K. Bazizi, C. Milner, Greg Landsberg, Juliet Lee-Franzini, S. Y. Jun, K. Streets, Vipin Bhatnagar, T. L. Geld, R. Partridge, V. M. Podstavkov, E. Flattum, V. Oguri, A. Serna, W.A. Wenzel, C. H. Park, M. L. Stevenson, H. S. Mao, D. L. Adams, M. Paterno, J. Warchol, M. Fortner, B. May, B. Gobbi, Jasvinder A. Singh, H. Johnstad, T. Yasuda, R. Astur, T. Heuring, O. Callot, N. Amos, S. Glenn, J. McKinley, D. A. Stoianova, R. J. Genik, C. Boswell, S. Abachi, Suman Bala Beri, A. L. Read, D. Edmunds, M. D. Peters, L. Oesch, N. Mokhov, B. G. Pope, Elizaveta Shabalina, J. Teiger, J. T. White, S. A. Jerger, A. Leflat, W. G. Cobau, M. I. Martin, J. S. Kang, Ph. Mangeot, N. Graf, H. Johari, V. Balamurali, T. McKibben, M. V. S. Rao, Alexander Vorobiev, Andrew White, J. Kourlas, John Hobbs, F. Stocker, and J. A. Wightman
Subjects: Nuclear physics, Physics, Particle physics, Muon, Meson, Hadron, General Physics and Astronomy, Order (ring theory), Production (computer science), Elementary particle, Quarkonium, Bottom quark
Abstract: We report a measurement of the inclusive muon and {ital b}-quark production cross sections in {ital p{bar p}} collisions at {radical}{ital s}=1.8 TeV using the D0 detector at the Fermilab Tevatron collider. The inclusive muon spectrum extends over the kinematic range {vert_bar}{ital y}{sup {mu}}{vert_bar}{lt}0.8 and 3.5{lt}{ital p}{sub {ital T}}{sup {mu}}{lt}60GeV/{ital c}, and is well described by the expected contributions from various known sources. The {ital b}-quark production cross section for {vert_bar}{ital y}{sup {ital b}}{vert_bar}{lt}1.0 and {ital p}{sup {ital b}}{sub {ital T}}{gt}6GeV/{ital c} is extracted, and agrees with next-to-leading order QCD predictions within the experimental and theoretical uncertainties.
Published: 1995

23. Search for High Mass Top Quark Production inpp¯Collisions ats=1.8 TeV

Author: I. Bertram, P. Padley, Alexey Volkov, Bruno Mansoulie, James H Cochran, F. Lobkowicz, L. Z. Wang, N. A. Roe, S. Chopra, R. L. Dixon, Michael Rijssenbeek, Mitchell Wayne, H. Schellman, J. M. Kohli, M. Chung, V. N. Evdokimov, J. Warchol, D.S. Koltick, R. Astur, T. Heuring, J. Thompson, B. Gómez, J. A. Guida, D. Casey, R. L. McCarthy, J. Skeens, M. L. Good, A. L. Read, Alberto Santoro, J. Borders, V. A. Bezzubov, J. P. Negret, R. P. Smith, C. Cretsinger, Dongliang Zhang, J. Z.Y. Jiang, Michael Shupe, Y. Y. Shao, B. Baldin, Harrison Prosper, J. M. Hauptman, Cecilia Elena Gerber, Rajendran Raja, S. Krzywdzinski, D. Edmunds, D. Hedin, R. Demina, Y. Ducros, Haifeng Li, V. I. Kochetkov, M. Strovink, E. James, P. Yamin, Brad Abbott, Jianming Qian, Peter Nemethy, G. Eppley, J. Jaques, Andrew White, A. Zylberstejn, Meenakshi Narain, A. Peryshkin, C. T. Murphy, Welathantri Gd Dharmaratna, B. G. Pope, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, N. N. Biswas, X. C. Meng, A. Baden, Ron Lipton, D. C. Wang, H. L. Melanson, P. Z. Quintas, J. Womersley, B. May, Tong Hu, A. Bischoff, J. F. Glicenstein, Sissel Hansen, M. D. Peters, Laurent Chevalier, G. C. Blazey, Zhedong Zhang, S. Mani, E. A. Kozlovski, R. Yamada, J. Yu, G. Finocchiaro, J. Bendich, H. Greenlee, J. Kourlas, S. Fuess, J. R. Hubbard, J. G.R. Lima, Gilvan Alves, Victor Daniel Elvira, J. H. Christenson, Stephen Wimpenny, F. Nang, Nikolai Mokhov, S. H. Ahn, H. Haggerty, M. Bhattacharjee, A. S. Ito, B. Pi, S. Durston-Johnson, A. Bross, John Hobbs, Elizabeth Gallas, M. Sosebee, S. Lökös, B. Gobbi, R. Madden, L. Oesch, C. L. Kim, C. Milner, T. Marshall, L. Rasmussen, John Rutherfoord, R. Hirosky, Yu Fisyak, N. Denisenko, S. Reucroft, T. Joffe-Minor, Hiroaki Aihara, C. Yanagisawa, S. Feher, Peter W. Draper, Serban Protopopescu, K. Bazizi, D. P. Eartly, Sharon Hagopian, J. Bantly, D. Stewart, A. L. Spadafora, T. Fahland, S. Youssef, A. K.A. Maciel, C. Yoshikawa, P. M. Tuts, T. Huehn, W. Guryn, Robert Kehoe, H. E. Fisk, Mary Beth Adams, J. Solomon, D. Schmid, Yi Xia, Andrew Brandt, R. Engelmann, E. Oltman, J. Wilcox, K. Streets, Vipin Bhatnagar, Brajesh C Choudhary, Darien Wood, Nicholas John Hadley, Jasvinder A. Singh, O. Ramirez, J. Yang, V. M. Podstavkov, Elizaveta Shabalina, K. Denisenko, D. Fein, Pushpalatha C Bhat, M. Mudan, M. A.C. Cummings, B. Hoeneisen, R. Partridge, E. Flattum, R. W. Stephens, J. Balderston, H.E. Miettinen, T. G. Trippe, S. C. Loken, Ting Hu, Ulrich Heintz, S. Blessing, H. Johnstad, T. Yasuda, R. B. Li, E. W. Anderson, T. L. Taylor, M. Fortner, A. L. Lyon, Shuichi Kunori, Erich Varnes, James C. Green, S. Glenn, J. McKinley, B. I. Klochkov, A. Zieminski, F. Borcherding, Scott Snyder, J. Featherly, D. Pizzuto, D. A. Stoianova, H. Jöstlein, R. Markeloff, R. K. Shivpuri, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, C. H. Park, Eunil Won, F. Stocker, H. S. Mao, Lee Sawyer, J. T. Linnemann, M. H.G. Souza, A. Taketani, J. M. De Miranda, V. Sirotenko, V. Glebov, Marvin Johnson, M. Abolins, A. Zinchenko, O. V. Eroshin, J. A. Wightman, M. Diesburg, D. L. Adams, R. E. Lanou, D. Owen, Allen Mincer, W. Y. Chen, M. Goforth, P. Mooney, J. Drinkard, G. Rahal-Callot, Christina Gao, N. I. Bojko, A. V. Kozelov, S. Y. Jun, R. Snihur, M. Tartaglia, D. Puaeljić, W. Smart, K. A. Johns, S.A. Kahn, Kaushik De, M.K. Fatyga, Paolo Franzini, V. S. Narasimham, M. Demarteau, R. E. Avery, Z. R. Wolf, Heriberto Castilla-Valdez, N. Grossman, N. K. Mondal, H. E. Montgomery, G. Álvarez, Mingming Yang, H. T. Diehl, S. M. Chang, J. P. Cussonneau, S. H. Aronson, J. T. White, J. Kotcher, A. Klatchko, Sarah Catherine Eno, Jing Li, J. S. Hoftun, J. N. Butler, A. A. Mayorov, Quing Zhu, P. D. Grannis, H. Piekarz, A. Boehnlein, O. I. Dahl, P. M. Sood, S. Fredriksen, Y. K. Que, M. K. Fatyga, N. Graf, C. Zeitnitz, Vyacheslav Klyukhin, J. Ellison, Ying Li, Y. S. Zhu, Y. H. Zhou, R. J. Genik, T. Behnke, K. S. Hahn, S. A. Jerger, D. Cutts, D. P. Stoker, B. Gibbard, C. Klopfenstein, G. E. Forden, A. P. Heinson, D. Xiao, C. K. Jung, S. Fahey, A. Kernan, Greg Landsberg, S. Margulies, O. Callot, J. Sculli, A. Efimov, J. M. Guida, S. Lami, R. E. Hall, Matthew Jones, A. Leflat, A. Jonckheere, Stephan Linn, T. L. Geld, N. Amos, M. Paterno, Dhiman Chakraborty, N. Oshima, Daria Zieminska, A. Pluquet, P.F. Ermolov, Yanxi Zhang, R. D. Schamberger, A. Smith, J. F. Lebrat, W. G. Cobau, M. I. Martin, J. S. Kang, S. Igarashi, Q. Z. Li-Demarteau, E. Amidi, V. S. Burtovoi, Randy Ruchti, J. R. T. de Mello Neto, C. S. Mishra, C. Boswell, S. Rusin, L. Markosky, Vasken Hagopian, H. Weerts, Ph. Mangeot, A. Milder, S. Abachi, Juliet Lee-Franzini, C. Murphy, R. J. Madaras, J. M.R. Roldan, P. R.G. Virador, D. Buchholz, Suman Bala Beri, I. Manning, M. D. Marx, H. D. Wahl, P. Tamburello, D. Denisov, J. Teiger, Heng Xu, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, V. Oguri, W.A. Wenzel, R. P. Xie, Gregory R Snow, M. L. Stevenson, H. Johari, V. Balamurali, T. McKibben, M. V. S. Rao, Alexander Vorobiev, W. E. Cooper, L. P. Chen, Daniel R Claes, Raymond Brock, Boaz Klima, D. Norman, S. Willis, M. Pang, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, A. R. Clark, S. Grünendahl, A. Para, Sergey Chekulaev, I. Adam, P. Rubinov, K. W. Merritt, J. F. Bartlett, D. Neić, Yanwen Liu, L. Lueking, Peter Loch, M. L. Kelly, Howard Gordon, K. C. Frame, and L. T. Kerth
Subjects: Physics, Top quark, Particle physics, Muon, Luminosity (scattering theory), Astrophysics::High Energy Astrophysical Phenomena, General Physics and Astronomy, Electron, Bottom quark, Particle identification, Standard Model, Nuclear physics, High Energy Physics::Experiment, Production (computer science)
Abstract: We present new results on the search for the top quark in p anti-p collisions at S**(1/2) = 1.8 TeV with an integrated luminosity of 13.5 +- 1.6 pb**(-1). We have considered t anti-t production in the Standard Model using electron and muon dilepton decay channels (t anti-t -> e mu + jets, e e + jets, and mu mu + jets) and single-lepton decay channels (t anti-t -> e + jets and mu + jets) with and without tagging of b quark jets. From all channels, we have 9 events with an expected background of 3.8 +- 0.9. If we assume that the excess is due to t anti-t production, and assuming a top mass of 180 GeV/c**2, we obtain a cross section of 8.2 +- 5.1 pb.
Published: 1995

24. Rapidity gaps between jets inpp¯collisions at √s=1.8 TeV

Author: S. Abachi, B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, G. Alvarez, G. A. Alves, N. Amos, E. W. Anderson, Yu. Antipov, S. H. Aronson, R. Astur, R. E. Avery, A. Baden, V. Balamurali, J. Balderston, B. Baldin, J. Bantly, J. F. Bartlett, K. Bazizi, T. Behnke, J. Bendich, S. B. Beri, V. Bezzubov, P. C. Bhat, V. Bhatnagar, N. Biswas, G. Blazey, S. Blessing, A. Boehnlein, F. Borcherding, J. Borders, N. Bozko, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. Burtovoi, J. M. Butler, O. H. Callot, H. Castilla-Valdez, D. Chakraborty, S. Chekulaev, J. Chen, L.-P. Chen, W. Chen, L. Chevalier, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. Cummings, J. P. Cussonneau, D. Cutts, O. I. Dahl, K. De, M. Demarteau, R. Demina, K. Denisenko, N. Denisenko, D. Denisov, S. Denisov, W. Dharmaratna, H. T. Diehl, M. Diesburg, R. Dixon, P. Draper, Y. Ducros, S. Durston-Johnson, D. Eartly, D. Edmunds, A. Efimov, J. Ellison, V. D. Elvira, R. Engelmann, G. Eppley, O. Eroshin, V. Evdokimov, S. Fahey, G. Fanourakis, M. Fatyga, M. K. Fatyga, J. Featherly, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, E. Flattum, G. E. Forden, M. Fortner, P. Franzini, S. Fredriksen, S. Fuess, C. S. Gao, T. L. Geld, K. Genser, C. E. Gerber, B. Gibbard, V. Glebov, J. F. Glicenstein, B. Gobbi, M. Goforth, M. Goldschmidt, B. Gomez, M. L. Good, H. Gordon, N. Graf, P. D. Grannis, D. R. Green, J. Green, H. Greenlee, N. Grossman, P. Grudberg, S. Grünendahl, J. A. Guida, J. M. Guida, W. Guryn, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, R. E. Hall, S. Hansen, J. M. Hauptman, D. Hedin, A. P. Heinson, U. Heintz, G. Herrera-Corral, T. Heuring, R. Hirosky, B. Hoeneisen, J. S. Hoftun, T. Hu, J. R. Hubbard, T. Huehn, S. Igarashi, A. S. Ito, E. James, J. Jaques, J. Z. -Y. Jiang, T. Joffe-Minor, K. Johns, M. Johnson, H. Johnstad, A. Jonckheere, M. Jones, H. Jöstlein, C. K. Jung, S. Kahn, R. Kehoe, M. Kelly, A. Kernan, L. Kerth, A. Kholodenko, A. Kiryunin, E. Kistenev, A. Klatchko, B. Klima, B. Klochkov, C. Klopfenstein, V. Klyukhin, V. Kochetkov, J. M. Kohli, D. Koltick, J. Kotcher, I. Kotov, J. Kourlas, A. Kozelov, E. Kozlovsky, M. R. Krishnaswamy, S. Krzywdzinski, S. Kunori, S. Lami, G. Landsberg, R. E. Lanou, J. Lee-Franzini, H. Li, J. Li, R. B. Li, Q. Z. Li-Demarteau, J. G. R. Lima, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, P. Loch, S. C. Loken, S. Lokos, L. Lueking, A. K. A. Maciel, R. J. Madaras, R. Madden, Ph. Mangeot, I. Manning, B. Mansoulié, H. S. Mao, S. Margulies, R. Markeloff, L. Markosky, T. Marshall, H. J. Martin, M. I. Martin, P. S. Martin, M. Marx, B. May, A. Mayorov, R. McCarthy, T. McKibben, J. McKinley, X. C. Meng, K. W. Merritt, H. Miettinen, A. Milder, C. Milner, A. Mincer, N. K. Mondal, H. E. Montgomery, P. Mooney, M. Mudan, C. Murphy, C. T. Murphy, F. Nang, M. Narain, V. S. Narasimham, H. A. Neal, J. P. Negret, P. Nemethy, D. Nešić, D. Norman, L. Oesch, V. Oguri, E. Oltman, N. Oshima, D. Owen, M. Pang, A. Para, C. H. Park, R. Partridge, M. Paterno, A. Peryshkin, M. Peters, B. Pi, H. Piekarz, Yu. Pischalnikov, D. Pizzuto, A. Pluquet, V. Podstavkov, B. G. Pope, H. B. Prosper, S. Protopopescu, Y. K. Que, P. Z. Quintas, G. Rahal-Callot, R. Raja, S. Rajagopalan, M. V. S. Rao, L. Rasmussen, A. L. Read, S. Repond, S. Reucroft, V. Riadovikov, M. Rijssenbeek, N. A. Roe, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, D. Schmid, J. Sculli, A. Shkurenkov, M. Shupe, J. B. Singh, V. Sirotenko, J. Skeens, W. Smart, A. Smith, D. Smith, R. P. Smith, G. R. Snow, S. Snyder, J. Solomon, P. M. Sood, M. Sosebee, M. Souza, A. L. Spadafora, R. Stephens, M. L. Stevenson, D. Stewart, F. Stocker, D. Stoyanova, K. Streets, M. Strovink, A. Suhanov, A. Taketani, M. Tartaglia, J. Teiger, J. Thompson, T. G. Trippe, P. M. Tuts, P. R. Vishwanath, A. Volkov, A. Vorobiev, H. D. Wahl, D. C. Wang, L. Z. Wang, J. Warchol, M. Wayne, H. Weerts, W. A. Wenzel, A. White, J. T. White, J. A. Wightman, J. Wilcox, S. Willis, S. J. Wimpenny, Z. Wolf, J. Womersley, D. R. Wood, Y. Xia, D. Xiao, P. P. Xie, H. Xu, R. Yamada, P. Yamin, C. Yanagisawa, J. Yang, M.-J. Yang, T. Yasuda, C. Yoshikawa, S. Youssef, J. Yu, C. Zeitnitz, S. Zhang, Y. H. Zhou, Q. Zhu, Y. S. Zhu, D. Zieminska, A. Zieminski, A. Zinchenko, and A. Zylberstejn
Subjects: Physics, Particle physics, Particle properties, Astrophysics::High Energy Astrophysical Phenomena, Computer Science::Information Retrieval, Tevatron, General Physics and Astronomy, Kinetic energy, law.invention, Nuclear physics, law, Pseudorapidity, High Energy Physics::Experiment, Rapidity, Fermilab, Collider, Bar (unit)
Abstract: First experimental results are presented from a search for events with a rapidity gap between jets. The D0 detector was used to examine events produced by the Fermilab Tevatron [ital p[bar p]] collider at [radical][ital s] =1.8 TeV. The fraction of events with an observed rapidity gap between the two highest transverse energy ([ital E][sub [ital T]]) jets is measured as a function of the pseudorapidity separation between the jet edges ([Delta][eta][sub [ital c]]). An upper limit at the 95% confidence level of 1.1[times]10[sup [minus]2] is obtained on the fraction of events with non particles between the jets, for events with [Delta][eta][sub [ital c]][gt]3 and jet [ital E][sub [ital T]] greater than 30 GeV.
Published: 1994

25. Search for the top quark inpp¯collisions at √s=1.8 TeV

Author: S. Abachi, B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, G. Alvarez, G. A. Alves, N. Amos, E. W. Anderson, Yu. Antipov, S. H. Aronson, R. Astur, R. E. Avery, A. Baden, V. Balamurali, J. Balderston, B. Baldin, J. Bantly, J. F. Bartlett, K. Bazizi, T. Behnke, J. Bendich, S. B. Beri, V. Bezzubov, P. C. Bhat, V. Bhatnagar, N. Biswas, G. Blazey, S. Blessing, A. Boehnlein, F. Borcherding, J. Borders, N. Bozko, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. Burtovoi, J. M. Butler, O. H. Callot, H. Castilla-Valdez, D. Chakraborty, S. Chekulaev, J. Chen, L.-P. Chen, W. Chen, L. Chevalier, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. Cummings, J. P. Cussonneau, D. Cutts, O. I. Dahl, K. De, M. Demarteau, R. Demina, K. Denisenko, N. Denisenko, D. Denisov, S. Denisov, W. Dharmaratna, H. T. Diehl, M. Diesburg, R. Dixon, P. Draper, Y. Ducros, S. Durston-Johnson, D. Eartly, D. Edmunds, A. Efimov, J. Ellison, V. D. Elvira, R. Engelmann, G. Eppley, O. Eroshin, V. Evdokimov, S. Fahey, G. Fanourakis, M. Fatyga, M. K. Fatyga, J. Featherly, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, E. Flattum, G. E. Forden, M. Fortner, P. Franzini, S. Fredriksen, S. Fuess, C. S. Gao, T. L. Geld, K. Genser, C. E. Gerber, B. Gibbard, V. Glebov, J. F. Glicenstein, B. Gobbi, M. Goforth, A. Goldschmidt, B. Gomez, M. L. Good, H. Gordon, N. Graf, P. D. Grannis, D. R. Green, J. Green, H. Greenlee, N. Grossman, P. Grudberg, S. Grünendahl, J. A. Guida, J. M. Guida, W. Guryn, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, R. E. Hall, S. Hansen, J. M. Hauptman, D. Hedin, A. P. Heinson, U. Heintz, T. Heuring, R. Hirosky, B. Hoeneisen, J. S. Hoftun, T. Hu, J. R. Hubbard, T. Huehn, S. Igarashi, A. S. Ito, E. James, J. Jaques, J. Z. -Y. Jiang, T. Joffe-Minor, K. Johns, M. Johnson, H. Johnstad, A. Jonckheere, M. Jones, H. Jöstlein, C. K. Jung, S. Kahn, R. Kehoe, M. Kelly, A. Kernan, L. Kerth, A. Kholodenko, A. Kiryunin, E. Kistenev, A. Klatchko, B. Klima, B. Klochkov, C. Klopfenstein, V. Klyukhin, V. Kochetkov, J. M. Kohli, D. Koltick, J. Kotcher, I. Kotov, J. Kourlas, A. Kozelov, E. Kozlovsky, M. R. Krishnaswamy, S. Krzywdzinski, S. Kunori, S. Lami, G. Landsberg, R. E. Lanou, J. Lee-Franzini, H. Li, J. Li, R. B. Li, Q. Z. Li-Demarteau, J. G. R. Lima, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, P. Loch, S. C. Loken, S. Lokos, L. Lueking, A. K. A. Maciel, R. J. Madaras, R. Madden, Ph. Mangeot, I. Manning, B. Mansoulié, H. S. Mao, S. Margulies, R. Markeloff, L. Markosky, T. Marshall, H. J. Martin, M. I. Martin, P. S. Martin, M. Marx, B. May, A. Mayorov, R. McCarthy, T. McKibben, J. McKinley, X. C. Meng, K. W. Merritt, H. Miettinen, A. Milder, C. Milner, A. Mincer, N. K. Mondal, H. E. Montgomery, P. Mooney, M. Mudan, C. Murphy, C. T. Murphy, F. Nang, M. Narain, V. S. Narasimham, H. A. Neal, J. P. Negret, P. Nemethy, D. Nešić, D. Norman, L. Oesch, V. Oguri, E. Oltman, N. Oshima, D. Owen, M. Pang, A. Para, C. H. Park, R. Partridge, M. Paterno, A. Peryshkin, M. Peters, B. Pi, H. Piekarz, Yu. Pischalnikov, D. Pizzuto, A. Pluquet, V. Podstavkov, B. G. Pope, H. B. Prosper, S. Protopopescu, Y. K. Que, P. Z. Quintas, G. Rahal-Callot, R. Raja, S. Rajagopalan, M. V. S. Rao, L. Rasmussen, A. L. Read, S. Repond, S. Reucroft, V. Riadovikov, M. Rijssenbeek, N. A. Roe, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, D. Schmid, J. Sculli, A. Shkurenkov, M. Shupe, J. B. Singh, V. Sirotenko, J. Skeens, W. Smart, A. Smith, D. Smith, R. P. Smith, G. R. Snow, S. Snyder, J. Solomon, P. M. Sood, M. Sosebee, M. Souza, A. L. Spadafora, R. Stephens, M. L. Stevenson, D. Stewart, F. Stocker, D. Stoyanova, K. Streets, M. Strovink, A. Suhanov, A. Taketani, M. Tartaglia, J. Teiger, J. Thompson, T. G. Trippe, P. M. Tuts, P. R. Vishwanath, A. Volkov, A. Vorobiev, H. D. Wahl, D. C. Wang, L. Z. Wang, J. Warchol, M. Wayne, H. Weerts, W. A. Wenzel, A. White, J. T. White, J. A. Wightman, J. Wilcox, S. Willis, S. J. Wimpenny, Z. Wolf, J. Womersley, D. R. Wood, Y. Xia, D. Xiao, P. P. Xie, H. Xu, R. Yamada, P. Yamin, C. Yanagisawa, J. Yang, M.-J. Yang, T. Yasuda, C. Yoshikawa, S. Youssef, J. Yu, C. Zeitnitz, S. Zhang, Y. H. Zhou, Q. Zhu, Y. S. Zhu, D. Zieminska, A. Zieminski, A. Zinchenko, and A. Zylberstejn
Subjects: Physics, Quark, Top quark, Particle physics, Branching fraction, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Elementary particle, Particle identification, Nuclear physics, Pair production, Grand Unified Theory, High Energy Physics::Experiment
Abstract: We have searched for evidence of top quark production in pp\ifmmode\bar\else\textasciimacron\fi{} collisions at \ensuremath{\surd}s =1.8 TeV using the D0 detector at the Fermilab Tevatron collider. For an integrated luminosity of 15 ${\mathrm{pb}}^{\mathrm{\ensuremath{-}}1}$, we report results of a search for tt\ifmmode\bar\else\textasciimacron\fi{} pairs in the decay modes tt\ifmmode\bar\else\textasciimacron\fi{}\ensuremath{\rightarrow}e\ensuremath{\mu}+jets,ee+jets,e+jets, and \ensuremath{\mu}+jets. From analyses of these modes we obtain a lower limit on the top quark mass of 131 GeV/${\mathit{c}}^{2}$ at the 95% confidence level, assuming standard model branching fractions and a predicted cross section for tt\ifmmode\bar\else\textasciimacron\fi{} production. We discuss the properties of an event for which expected backgrounds are small.
Published: 1994

26. Beam tests of the DØ uranium liquid argon end calorimeters

Author: T. Huehn, F. Stocker, Ivan Kotov, P. Lucas, J. F. Glicenstein, V. A. Bezzubov, B. Mansoulié, R. P. Smith, Jianchu Xu, F. Nang, Michael Shupe, R. Madden, L. Rasmussen, Jinghong Chen, T. Ferbel, W. Karsh, J. Yu, J. A. Guida, F. Borcherding, K. K. Ng, M. D. Marx, K. Bazizi, S. Abachi, A. Bross, H. D. Wahl, R. Stephens, D. Buchholz, Y. Xia, Harrison Prosper, R. Avellaneda, N. Amos, S. Fahey, Rajendran Raja, O. I. Dahl, S. Cherny, P. Laurens, I. Manning, E. Barasch, M. Strovink, S. Krzywdzinzski, Pushpalatha C Bhat, Stephen Wimpenny, D. Nešić, J. Kourlas, Daniel J. Smith, D. A. Stoyanova, Heng Xu, S. Youssef, A. Kholodenko, M. Mudan, R. J. Madaras, R. Ruland, A. Dyakonenkov, J. Cochran, P. Xie, Welathantri Gd Dharmaratna, T. Marshall, V. Platonov, A. Kirunin, W. Kononenko, J. A. Wightman, B. Pi, K. De, D. Norman, Y. H. Zhou, T. Heuring, A. Kernan, A. M. Davidenko, T. L. Geld, Vyacheslav Klyukhin, G. E. Forden, R. Van Berg, J. Kotcher, M. Peters, S. Igarashi, D. Hedin, Q. Z. Li-Demarteau, J. McKinley, D. Finley, A. Peryshkin, J. Borders, H. J. Martin, N. A. Roe, A. Klatchko, A. Taketani, M. J. Yang, Gregory R Snow, S. Blessing, Shuichi Kunori, Hiroaki Aihara, S.A. Kahn, Allen Mincer, J. Featherly, R. E. Avery, A. S. Ito, A. P. Vorobiev, D. Cullen-Vidal, K. Genser, A. L. Read, W. E. Cooper, J. F. Hubbard, R. E. Hall, E. Kistenev, A. Zieminski, N. Graf, B. Gobbi, P. M. Tuts, F. Lobkowicz, Ph. Mangeot, V. Riadovikov, M. Tartaglia, M. L. Good, S. Chekulaev, Robert Hirosky, E. Malamud, A. Jonckheere, N. Bozko, S. Fuess, V. I. Kochetkov, Sylvain Tisserant, Renkai Li, L. T. Kerth, A. Efimov, J. Bantly, R. Morphis, R. L. Dixon, Michael Rijssenbeek, J. Thompson, W. Smart, Andrew White, K. A. Johns, H. E. Fisk, A. Milder, B. Baldin, Y. Ducros, P. Yamin, A. Zylberstejn, D. Owen, S. Repond, G. Dugan, T. M.L. Ren, Stephan Linn, V. N. Evdokimov, B. G. Pope, Paolo Franzini, W. Selove, B. Gibbard, J. Sculli, H. Greenlee, X. C. Meng, T. G. Trippe, P. Grudberg, H. Haggerty, Sergey Denisov, S. Lökös, N. Oshima, Daria Zieminska, R. D. Schamberger, V. S. Narasimham, M. Abolins, G. Finocchiaro, D. Pizzuto, V. Glebov, Allan G Clark, J. Teiger, B. I. Klochkov, A. Baden, G. C. Blazey, David Cutts, R. E. Lanou, H. Jöstlein, R. Engelmann, A. A. Mayorov, J. T. White, P. Mooney, Yu. Pischalnikov, Serban Protopopescu, R. Huson, J. Womersley, R. Yamada, M. Fatyga, M. Diesburg, O. V. Eroshin, E. A. Kozlovsky, J. H. Christenson, Quing Zhu, S. H. Aronson, M. E. Johnson, H. T. Diehl, D. Bogert, Juliet Lee-Franzini, R. L. McCarthy, S. H. Ahn, A. Pluquet, P. Martin, John Rutherfoord, V. Burtovoy, P. Draper, K. Streets, J. Ellison, A. Suhanov, C. Cretsinger, T. Behnke, J. Yang, R. Partridge, J. N. Butler, P. D. Grannis, H. Piekarz, D. Edmunds, Raymond Brock, Boaz Klima, V. M. Podstavkov, Yu.M. Antipov, D. Denisov, G. Theodosiou, W.A. Wenzel, H. A. Neal, Z. Wolf, Peter Nemethy, C. Stewart, A. Shkurenkov, M. Paterno, James C. Green, M. Fortner, Srinivasan Rajagopalan, Dan Green, J. T. Linnemann, A. Zotov, N. Bulgakov, R. Astur, H. Weerts, M. Demarteau, M. Goforth, C. Klopfenstein, H. S. Mao, C. S. Gao, W. Guryn, S. Willis, S. Durston, Ron Lipton, L. Oesch, M. L. Stevenson, S. Feher, A. L. Spadafora, S. C. Loken, Howard Gordon, P. Rubinov, K. W. Merritt, J. F. Bartlett, J. S. Hoftun, J. M. Guida, R. Zeller, D. P. Eartly, Sharon Hagopian, E. Oltman, N. J. Hadley, C. T. Murphy, R. Cence, and C. Yoshikawa
Subjects: Physics, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Monte Carlo method, Detector, Tevatron, Electron, Calorimeter, law.invention, Nuclear physics, law, Physics::Accelerator Physics, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Collider, Instrumentation, Beam (structure)
Abstract: We describe the results of beam tests of three uranium-liquid argon calorimeter modules constructed for the DO detector at the Fermilab Tevatron collider. As part of the calibration procedure, these modules were exposed to beams of electrons, pions and muons between 10 and 150 GeV/c before their installation in the end calorimeter of the completed DO detector. We obtain an electromagnetic sampling resolution of 15.7%/√E and constant term of 0.3%. The hadronic sampling resolution is 45%/√E (degraded to 50%/√E by the effects of upstream material) and the constant term is 4%. The calorimeter is linear to 0.5%, and the electromagnetic to hadronic response ratio is between 1.02 and 1.09 over this range of momenta. For an electron efficiency of 95% we obtain a rejection factor against pions of ∼ 900-3000 for particles in the momentum range between 50 and 150 GeV/c. We also compare our results with the predictions of a detailed Monte Carlo simulation.
Published: 1993

27. The BABAR Physics Book: Physics at an Asymmetric B Factory

Author: B.F.L. Ward, D.A. Roberts, Stefan Kluth, David Atwood, P. N. Y. David, V. Suraiya, E. I. Rosenberg, C. T. Day, A. A. Salnikov, F. Anulli, S. Dittongo, Armin Karcher, Jonathan M. Flynn, M. Benkebil, Kalelkar, Stephen F. Schaffner, G. Carlino, M.E. Levi, V. Savinov, C. P. Jessop, M. K. Sullivan, Fabio Morsani, M. Rotondo, N. Regnault, R. Aleksan, G. De Nardo, S. S. Hertzbach, J. Va’vra, A. I. McNab, Ralph Müller-Pfefferkorn, Herbert Koch, C. Lu, D. Judd, M. Turri, G. Lynch, Gerhard Buchalla, M. L. Kocian, A. DeSilva, Tom Rizzo, A. M. Eisner, Janice Button-Shafer, G. R. Bonneaud, Y. u. G. Kolomensky, K.C. Moffeit, R. H. Schindler, J. Dorfan, J. M. Bauer, L. M. Cremaldi, L. Piemontese, A. M. Boyarski, R. Bartoldus, Zongfu Yu, Alyssa Garcia, G. Hamel de Monchenault, R. S. Panvini, D.H. Coward, G. Zioulas, H. Yu, A. Asmone, D. Falciai, D. J. B. Smith, F. Zhang, P.P. Xie, J. A. Nash, M. Lo Vetere, Stefano Mazzoni, J. M. Bishop, D. Fujino, Ikaros I.Y. Bigi, A. Mass, Zoltan Ligeti, Paola Grosso, G. Finocchiaro, V. Luth, D. G. Hitlin, P. Rankin, G. Castelli, Krisztian Peters, J. Pavlovich, R.D. Peccei, M. V. Purohit, D. Renner, T. Dignan, Francesco Lanni, P. Strother, F. Forti, M. Verderi, Ph Leruste, A. Khan, E. Tetteh-Lartey, J. Albert, E. Chen, B. Stugu, E. Gabathuler, T. Schalk, R. M. Bionta, A. Stahl, G. Wormser, A.K. McKemey, R. Kroeger, W. R. Innes, C. Evangelista, W.A. Wenzel, C. Gatto, B. Mayer, F. C. Porter, D. B. MacFarlane, C.T. Sachrajda, P.L. Anthony, J. Brose, A. B. Meyer, A. Snyder, T.J. Champion, A. Calcaterra, C. Roat, X. C. Lou, F. Costantini, D. P. Stoker, O. Hamon, Laurent Lellouch, R.G. Alsmiller, D. Wyler, H. Lan, Willem G. J. Langeveld, U. Nauenberg, J. O. Nielsen, P.A. Hart, O. Pene, D. Su, M. C. Gonzalez-Garcia, M. Carpinelli, Valerio Re, G. Triggiani, B.B. Naranjo, W. Dunwoodie, T. A. Gabriel, A. Samuel, M. Piccolo, Tiehui Liu, A. Valassi, S. Chuniv, N. A. Roe, G. P. Dubois-Felsmann, A. Trunov, G. Batignani, Ren-Yuan Zhu, G. Blaylock, A.S. Dighe, Reinhold Rückl, R. Faccini, F. Ferrarotto, A. J. Lankford, C. Dallapiccola, H. Marsiske, Randall P. Johnson, R. N. Cahn, H. Krieg, R. M. Martin, Maria Roberta Monge, D. R. Johnson, C.G. Boyd, F. Le Diberder, G. Vasileiadis, T. Himel, C. A. Heusch, J. Allison, S. F. Ganzhur, C. LeClerc, Marcel Kunze, D.E. Dorfan, M. Mandelkern, L. Martin, A. Bajic, J. D. Richman, W. S. Lockman, W. J. Wisniewski, L.S. Rochester, Luca Silvestrini, V. E. Blinov, B. Camanzi, F. Dal Corso, Giorgi, G. Michelon, N. Dyce, S. J. Yellin, A. Hasan, M. T. Ronan, J. M. Roney, David London, Luca Lista, E. Lamanna, G. Dahlinger, Q. Fan, Andreas Hoecker, D. A. Sanders, M. R. Convery, J. G. Smith, Crisostomo Sciacca, D. Aston, E.P. Potter, G. Rizzo, L. Lanceri, Guido Martinelli, R. Pitthan, W. Yang, N. De Groot, P. J. Oddone, D. W. G. S. Leith, D.P. Coupal, Michael Doser, R. Zaliznyak, A. Walkden, D. Fong, E. Mandelli, I. M. Peruzzi, Peter Elmer, C. Hast, G. Piredda, N. Copty, M. Morii, E. Charles, Yuval Grossman, G. Calderini, K. T. McDonald, Pierluigi Paolucci, N. Savvas, R. W. Kadel, Benjamin Grinstein, C. Hearty, R. Kerth, J. L. Wittlin, V.V. Serbo, Marco Pallavicini, F. Galeazzi, M. Turcotte, M. Mugge, A. Firestone, Sridhara Dasu, Alexey A. Petrov, D. J. Summers, J.H. Cooke, Mark B. Wise, I. Adam, M. Munson, B. N. Ratcliff, S. I. Serednyakov, F. Bianchi, Laura Reina, A. de Lesquen, Sh. Rahatlou, Alessandra Forti, T. J. Brandt, M. Pripstein, A. Perazzo, V. I. Telnov, M. Milek, Enrico Robutti, R. Prepost, N. D. Qi, R. Schwierz, K. van Bibber, Lodovico Ratti, Jeremy A. Johnson, M. Folegani, A. Palano, W. D. Shephard, A. Romosan, P.F. Jacques, J.H. Weatherall, Russell S. Hamilton, R. R. Kofler, D. Zanin, P. C. Kim, A. Eppich, B. Foster, F. Palombo, Vivek Sharma, Ingrid U. Scott, D. E. Wagoner, W. Orejudos, G. Cavoto, C. C. Buchanan, Brad Abbott, David Nathan Brown, B. DiGirolamo, H. L. Lynch, P. J. Clark, Michael C. Carroll, R. G. Jacobsen, Y. Guo, G. Vuagnin, M. Lusignoli, A. Romero, W. T. Meyer, M. Prest, C. L. Davis, Johann Cohen-Tanugi, R. Vitale, F.E. Close, R. Gamet, Stephen J. McMahon, Francesca Borzumati, T. S. Mattison, Helen R. Quinn, E. A. Kravchenko, M. Weaver, Thomas Mannel, P. D. Dauncey, R. Baldini-Ferroli, M. Haire, Jayashree Roy, K. Paick, Robert Wilson, A. Pugliese, Hartmut Sadrozinski, D. Kirkby, G. Vasseur, Roland Bernet, G.C. Branco, Daniel A. Bauer, M. M. Macri, A. Leona, J.L. Hewett, A. Jawahery, V.G. Shelkov, A. Gaidot, Andrew J. Martin, Michael S. Witherell, T.L. Geld, C. H. Cheng, J.F. Kral, P.D. Barnes, F. F. Wilson, A. R. Clark, G. P. Gopal, S. Emery, S. Playfer, N. M. Cason, J. R. Fry, C. P. O'Grady, S. J. Patton, G. Manzin, T.I. Meyer, A. P. Onuchin, C. Patrignani, U. Mallik, R. Contri, G.P. Chen, V. Tisserand, A. V. Telnov, P. Kunz, W.G. Yan, Matthias Neubert, A. R. Buzykaev, R. de Sangro, V. Lepeltier, H.A. Tanaka, Giovanni Crosetti, J. A. Kadyk, M. Benayoun, D. Boutigny, D. H. Wright, S. Ren, C. Voci, M.P. Worah, V. M. Braun, S. Bettarini, Franco Buccella, S. Fahey, W. H. Toki, C. C. Young, B. Spaan, Jérôme Charles, M. Falbo-Kenkel, J.D. McFall, Patricia Ball, T. Glanzman, H. Briand, H. Mao, D.L. Wagner, A. D. Bukin, A. Zallo, G.L. Godfrey, N. Cavallo, Donghui Li, R. Seitz, Stéphane Plaszczynski, H. Zobernig, Alexander L. Kagan, James D. Wells, A. A. Grillo, C. Touramanis, T. Pulliam, G. W. London, A. B. Breon, A. Masiero, A. W. Borgland, M.G. Pia, A. Woch, V. Zacek, F. Ferroni, O. Wen, Gabriella Sciolla, G. Grosdidier, J. Beringer, J. Schwiening, Frank Gaede, T.L. Hall, N. Kuznetsova, M. Rama, Andris Skuja, J. J. Walsh, J. A. McKenna, A. Tumanov, Fernando Dutra, Valery Pozdnyakov, P. Poropat, G. S. Abrams, I. Dunietz, Anders Ryd, Michael Steinke, S. Morganti, Z. W. Yin, A. J.R. Weinstein, Giulia Ricciardi, G. D. Lafferty, P. M. Patel, A. M. Lutz, S. J. Gowdy, J. Lory, Stephen Robert Wagner, C. Cretsinger, M. Bondioli, A. J. S. Smith, Sau Lan Wu, M. George, N. Paver, I. De Bonis, K. R. Schubert, D. Guetta, J. W. Lamsa, J. Chauveau, G. Simi, H. B. Crawley, Y. S. Zhu, H. Schmücker, E. Vallazza, Alexander Khodjamirian, G. Della Ricca, Sokoloff, E.D. Frank, A. Frey, David Norvil Brown, P. C. Bloom, M.N. Kreisler, Y. B. Pan, Richard Mount, R. Kowalewski, Enrico Nardi, G. Musolino, Y. Nir, K. Lingel, M. Marino, Jane S. Tinslay, C. C. Zhang, J.J. Reidy, Craig R. Wuest, T.J. Pavel, B. Franek, L. Keller, G. De Domenico, M. H. Kelsey, Robert Fleischer, D. R. Quarrie, M. Morandin, C. Yeche, R. Waldi, E. Roussot, Lydia Roos, A. Vitelli, M. Morganti, J. Secrest, D. R. Muller, J. Ohnemus, J.C. Andress, M. H. Schune, G. Burdman, M. Zito, P. Sanders, Owen Rosser Long, A. Seiden, R. Stroili, A. A. Korol, R. K. Yamamoto, J. J. Back, Remi Lafaye, S. Versille, C. Thiebaux, C. Campagnari, M. G. Green, M. Zhao, S. Mettarini, L. Gladney, Amarjit Soni, B. T. Meadows, J. M. LoSecco, L. Behr, G. Raven, P. R. Burchat, L. Oliver, Y. Zheng, R. Parodi, Adam F. Falk, K. T. Flood, V. Miftakov, D. Silverman, N. I. Geddes, C.S. Sutton, J. L. Narjoux, G. Eigen, R. Kapur, E. W. Varnes, J. G. Branson, D. Gamba, W. Zhao, S. Devmal, Y. Karyotakis, C. De La Vaissiere, R. L. Malchow, V. N. Ivanchenko, V. Speziali, Mossadek Talby, P. F. Harrison, P.F. Manfredi, W. T. Ford, X. Shi, Tim Adye, Philip Colangelo, A. Le Yaouanc, G. Mancinelli, J. L. Harton, Yu. I. Skovpen, B. Lewandowski, Davide Piccolo, F. Bulos, Ulrich Nierste, A. Soffer, E. Mirkes, R.J. Plano, A. Mokhtarani, A. Santroni, A. Lusiani, K.G. Baird, Fabian Zomer, Antonio Pich, J. M. Izen, H. Nicholson, E. Nehrlich, L. Del Buono, K. Hall, D. S. Yan, Jens H. Kuhn, S. Yang, Francesco Fabozzi, J. Trischuk, R. Messner, M. Ciuchini, C.S. Lin, V. Eschenburg, P. Taras, A. Lu, Elliott D. Bloom, Scott D. Metzler, L. Bosisio, R. C. W. Henderson, Ulrik Egede, R. Cowan, Y.Y. Keum, Corrado Angelini, A. Smol, J. Martin, B. A. Schumm, Gino Isidori, A. Buzzo, R. J. Barlow, Sercan Sen, M. Posocco, and F. De Fazio
Subjects: Physics, Nuclear physics, Particle physics, law, Form factor (quantum field theory), CP violation, BaBar experiment, Particle accelerator, Linear particle accelerator, law.invention, B-factory
Abstract: Results of a year-long workshop devoted to a review of the physics opportunities of the BABAR experiment at the PEP-II B Factory, at the Stanford Linear Accelerator Center laboratory are presented.
Published: 2010

28. Limits on anomalousWWγandWWZcouplings fromWW/WZ→eνjjproduction

Author: G. Eppley, T. Huehn, C. Cretsinger, S. A. Jerger, M. Strovink, E. James, H. da Motta, J. G.R. Lima, D. Fein, A. Leflat, W. G. Cobau, M. I. Martin, Don Lincoln, A. S. Ito, A. Baden, S. Youssef, S. Choi, L. Magaña-Mendoza, Erich Varnes, G. C. Blazey, Daniel John Karmgard, J. S. Kang, R. Yamada, M. Merkin, A. Sanchez-Hernandez, Robert Kehoe, J. McDonald, S. H. Ahn, Raymond Brock, P. Hanlet, G. Finocchiaro, F. Landry, John Rutherfoord, Mary Beth Adams, D. P. Stoker, Boaz Klima, D. Norman, S. Banerjee, V. Balamurali, R. Snihur, A. Jonckheere, Joan A. Guida, Stephan Linn, K. Streets, Vipin Bhatnagar, S. Willis, Jing Li, N. Oshima, Daria Zieminska, S. Reucroft, R. D. Schamberger, G. Di Loreto, C. Klopfenstein, R. Partridge, Y. Fisyak, F. Borcherding, S. M. Chang, Marvin Johnson, T. McKibben, Eunil Won, T. L. Thomas, A. N. Galyaev, N.V. Mokhov, G. E. Forden, A. P. Heinson, A. V. Kozelov, D. Denisov, G. Wang, Alberto Santoro, Seong Keun Kim, Alexander Vorobiev, V. A. Bezzubov, J. P. Negret, R. P. Smith, C. K. Jung, M. M. Baarmand, R. Jesik, Sarah Catherine Eno, Srinivasan Rajagopalan, R. L. McCarthy, Thomas Ferbel, Dan Green, Pushpalatha C Bhat, H. S. Mao, D. L. Adams, G. Kalbfleisch, J. M. Hauptman, Cecilia Elena Gerber, Michael Shupe, K. Gounder, W. E. Cooper, B. Gibbard, F. Nang, L. P. Chen, Daniel R Claes, B. G. Pope, R. E. Hall, J. L. González Solís, B. Baldin, Z. Casilum, Y. Ducros, C. Murphy, B. Lauer, M. A.C. Cummings, R. Astur, B. Hoeneisen, Lee Sawyer, T. Heuring, K. S. Hahn, D. Cutts, Elizaveta Shabalina, Jianming Qian, M. Chung, Greg Landsberg, J. T. White, Elizabeth Gallas, M. H.G. Souza, T. L. Geld, A. V. Kotwal, Harrison Prosper, Peter Nemethy, B. Pawlik, M. Roco, E. W. Anderson, P. Yepes, S. Krzywdzinski, Tong Hu, Y. M. Park, M. Paterno, Y. Gershtein, S.A. Kahn, H. E. Montgomery, Dhiman Chakraborty, M. Demarteau, Sergey Kuleshov, A. L. Lyon, Shuichi Kunori, A. Zylberstejn, D. Casey, J. Kotcher, Victor Daniel Elvira, F. Lobkowicz, T. Joffe-Minor, H. Greenlee, P. Bloom, J. A. Wightman, M. Abolins, R. Hernández-Montoya, S. Glenn, O. I. Dahl, A. Bross, H. E. Fisk, Bobby Samir Acharya, N. Sotnikova, M. Bhattacharjee, H. A. Neal, H. C. Shankar, J. T. Linnemann, T. Rockwell, Iain Alexander Bertram, Allen Mincer, P. Mooney, J. McKinley, N. Graf, D. Stewart, Wagner Carvalho, N. I. Bojko, Michael Rijssenbeek, Sebastian Grinstein, S. N. Gurzhiev, Serban Protopopescu, P. Yamin, Z. Zhou, J. Solomon, T. G. Trippe, Jinhong Yu, N. K. Mondal, H. T. Diehl, H. Singh, J. Krane, Heriberto Castilla-Valdez, D. Buchholz, S. Mani, P. Padley, Alexey Volkov, Sharon Hagopian, V. N. Evdokimov, W. Smart, K. A. Johns, A. Boehnlein, Edilamar Menezes de Oliveira, Viatcheslav Stolin, L. Babukhadia, D.S. Koltick, J. Ellison, A. K.A. Maciel, H. L. Melanson, P. Z. Quintas, B. May, R. Madden, L. Rasmussen, E. Oltman, Peter W. Draper, P. Tamburello, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, J. Jaques, James H Cochran, Heng Xu, H. Piekarz, Mitchell Wayne, P. Gartung, H. Schellman, J. M. Kohli, Ron Lipton, C. Yoshikawa, D. Vititoe, Anna Goussiou, J. H. Christenson, A. L. Spadafora, R. J. Genik, Michael A. Strauss, J. Womersley, B. Gobbi, P. I. Goncharov, Stefan Grünendahl, J. Thompson, Anurag Gupta, B. Gómez, Z. H. Zhu, R. Piegaia, D. Karmanov, J. V.D. Wirjawan, Jasvinder A. Singh, J. M. Guida, D. Hedin, Shashikant Dugad, C. Boswell, Gregory R Snow, Brajesh C Choudhary, T. Yasuda, K. M. Mauritz, P.F. Ermolov, A. V. Kostritskiy, H. D. Wahl, Suman Bala Beri, Sissel Hansen, F. Stichelbaut, V. Oguri, V. S. Burtovoi, L. Coney, M. L. Stevenson, J. Snow, J. Warchol, R. J. Madaras, D. Edmunds, Andre Sznajder, M. D. Peters, L. Oesch, Emanuela Barberis, J. Z.Y. Jiang, S. Fuess, L. T. Goss, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, N. Parua, Rajendran Raja, H. Haggerty, S. Lökös, Brad Abbott, Q. Z. Li-Demarteau, J. Yang, M. L. Kelly, Randy Ruchti, Howard Gordon, C. S. Mishra, M. Fortner, K. C. Frame, G. Guglielmo, O. Ramirez, J. Perkins, Vasken Hagopian, H. Weerts, T. Fahland, K. Del Signore, Lev Dudko, E. Flattum, S. P. Denisov, P. Grudberg, C. L. Kim, Hiroaki Aihara, M. R. Krishnaswamy, E. Smith, P. M. Tuts, S. C. Loken, R. W. Stephens, F. Hsieh, Robert Hirosky, A. R. Clark, A. Para, W. Y. Chen, G. Gutierrez, Gilvan Alves, Sergey Chekulaev, V. S. Narasimham, Andrew White, A. A. Mayorov, T. McMahon, M. K. Fatyga, G. Steinbrück, I. Adam, P. Rubinov, N. Amos, K. W. Merritt, J. Kourlas, J. F. Bartlett, John Hobbs, S. Feher, V. Manankov, Ting Hu, Young-Sang Yu, Yanwen Liu, L. Lueking, A. Zieminski, S. Y. Jun, R. K. Shivpuri, J. Balderston, M. Tartaglia, Alexander Belyaev, Kaushik De, J. Sculli, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, Nikos Varelas, M. Diesburg, M. Sosebee, D. Owen, Stephen Wimpenny, J. Tarazi, D. A. Stoyanova, J. Bantly, T. Marshall, Gervasio Gomez, C. Shaffer, Darien Wood, Nicholas John Hadley, D. Cullen-Vidal, K. Genser, A. Goldschmidt, N. N. Biswas, S. Blessing, Scott Snyder, Andrew Brandt, R. Engelmann, S. Chopra, R. Markeloff, E. A. Kozlovsky, H.E. Miettinen, M. D. Jones, E. G. Zverev, Haifeng Li, Meenakshi Narain, and A. Narayanan
Subjects: Condensed Matter::Quantum Gases, Physics, Gauge boson, Nuclear and High Energy Physics, Particle physics, Muon, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Tevatron, Elementary particle, Fermion, Lambda, 01 natural sciences, Nuclear physics, Particle decay, Pair production, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, 010306 general physics, Boson, Lepton
Abstract: Limits on anomalous $\mathrm{WW}\ensuremath{\gamma}$ and $\mathrm{WWZ}$ couplings are presented from a study of $WW/W\stackrel{\ensuremath{\rightarrow}}{Z}e\ensuremath{\nu}\mathrm{jj}$ events produced in $p\overline{p}$ collisions at $\sqrt{s}=1.8 \mathrm{TeV}.$ Results from the analysis of data collected using the D\O{} detector during the 1993--1995 Tevatron collider run at Fermilab are combined with those of an earlier study from the 1992--1993 run. A fit to the transverse momentum spectrum of the W boson yields direct limits on anomalous $\mathrm{WW}\ensuremath{\gamma}$ and $\mathrm{WWZ}$ couplings. With the assumption that the $\mathrm{WW}\ensuremath{\gamma}$ and $\mathrm{WWZ}$ couplings are equal, we obtain $\ensuremath{-}0.34l\ensuremath{\lambda}l0.36$ (with $\ensuremath{\Delta}\ensuremath{\kappa}=0)$ and $\ensuremath{-}0.43l\ensuremath{\Delta}\ensuremath{\kappa}l0.59$ (with $\ensuremath{\lambda}=0)$ at the 95% confidence level for a form-factor scale $\ensuremath{\Lambda}=2.0 \mathrm{TeV}.$
Published: 2000

29. Measurement of the inclusive differential cross section forZbosons as a function of transverse momentum inp¯pcollisions ats=1.8TeV

Author: T. L. Geld, M. Abolins, R. J. Madaras, S. R. Dugad, J. Bantly, T. Yasuda, S. Y. Jun, Sebastian Grinstein, J. H. Christenson, J. Solomon, V. D. Elvira, C. Murphy, D. Fein, A. Brandt, B. Abbott, J. P. Negret, W. E. Cooper, S. K. Kim, A. Bross, J. Tarazi, M. Paterno, P. M. Tuts, P. Nemethy, Z. H. Zhu, M. Bhattacharjee, M. Sosebee, R. Kehoe, V. Vaniev, D. A. Stoyanova, H. Evans, H. Miettinen, S. Banerjee, H. Haggerty, A. A. Volkov, M. Merkin, R. Snihur, R. Breedon, M. A. Shupe, J. A. Green, F. Stichelbaut, R. A. Sidwell, V. Gavrilov, S. Protopopescu, A. Para, N. K. Mondal, F. Nang, S. N. Gurzhiev, J. Warchol, S. J. Wimpenny, L. Babukhadia, S. Choi, A. V. Kostritskiy, G. Eppley, E. W. Anderson, O. I. Dahl, U. Heintz, D. Edmunds, M. Fortner, H. D. Wahl, E. Flattum, A. N. Galyaev, M. Tartaglia, R. D. Schamberger, S. Krzywdzinski, N. R. Stanton, J. Qian, J. M. Butler, S. Fuess, R. Engelmann, V. V. Babintsev, V. Zutshi, H. da Motta, R. Jesik, D. L. Adams, K. Del Signore, Matthew Jones, A. Leflat, R. J. Genik, V. Sirotenko, T. Rockwell, J. Womersley, J. Snow, Mitchell Wayne, A. Mincer, H. E. Fisk, E. G. Zverev, S. Eno, R. K. Shivpuri, J. Cochran, Y. Gershtein, K. M. Mauritz, D. R. Green, V. N. Evdokimov, S. Youssef, D. Casey, M. Peters, A. Goussiou, L. Sawyer, P. Draper, B. Baldin, B. Pawlik, P. C. Bhat, M. Narain, E. Smith, G. Guglielmo, B. S. Acharya, H. C. Shankar, M. Kubantsev, B. Gobbi, T. Marshall, S. Willis, H. Jöstlein, S. Mani, T. L.T. Thomas, P. D. Grannis, Tong Hu, M. Adams, J. M. Kohli, C. Boswell, H. S. Mao, S. Hagopian, Alexander Belyaev, S. Snyder, P. I. Goncharov, A. Zieminski, J. Ellison, E. W. Varnes, B. Knuteson, Z. Casilum, J. Rutherfoord, K. Johns, J. Perkins, J. V.D. Wirjawan, D. Hedin, J. McKinley, H. Weerts, A. Sánchez-Hernández, P. Gartung, S. P. Denisov, P. Hanlet, C. Miao, M. Demarteau, M. Roco, J. McDonald, D. Cullen-Vidal, H. Piekarz, R. P. Smith, C. Shaffer, Y. Kulik, P. Z. Quintas, A. P. Heinson, S. Rajagopalan, A. Baden, E. A. Kozlovsky, L. Oesch, Y. Fisyak, V. Manankov, M. H.G. Souza, B. Hoeneisen, A. V. Kozelov, S. Reucroft, P. Ermolov, A. Dyshkant, Y. M. Park, T. G. Trippe, D. Karmgard, K. S. Hahn, N. W. Reay, N. Mokhov, C. Hebert, Z. Zhou, H. E. Montgomery, K. Streets, S. Grünendahl, G. A. Alves, J. T. White, B. G. Pope, V. Oguri, R. Brock, J. F. Bartlett, C. Hays, F. Hsieh, J. A. Guida, D. Toback, W. Chen, N. Parua, Q. Z. Li, L. V. Dudko, R. D. Martin, A. Zylberstejn, S. Chopra, T. Joffe-Minor, Harrison Prosper, M. Diesburg, B. Gómez, G. Steinbrück, I. Adam, J. D. Hobbs, Y. Ducros, R. W. Stephens, Philip Baringer, F. Borcherding, P. Tamburello, H. T. Diehl, J. L. González Solís, L. Lueking, B. Klima, Miguel Mostafa, M. A.C. Cummings, R. Hernández-Montoya, D. Owen, V. Hagopian, A. Santoro, S. Kunori, I. Bertram, Y. Pischalnikov, J. B. Singh, D. Karmanov, M. Johnson, K. C. Frame, P. Bloom, H. Gordon, A. K.A. Maciel, S. Hansen, S. Kahn, E. Gallas, J. A. Wightman, K. Yip, P. Yepes, S. Ahn, E. Barberis, G. R. Snow, A. A. Mayorov, R. Markeloff, G. Di Loreto, N. I. Bojko, D. Shpakov, A. P. Vorobiev, G. Blazey, C. Klopfenstein, A. Gupta, Y. Yu, S. Feher, O. Ramirez, J. Thompson, M. K. Fatyga, M. Chung, V. S. Narasimham, A. Boehnlein, K. Genser, J. Yu, S. B. Beri, L. Coney, A. Jonckheere, C. Yoshikawa, G. Briskin, D. R. Wood, M. L. Stevenson, F. Landry, D. Stoker, P. Grudberg, P. Yamin, O. V. Eroshin, B. Gibbard, P. Rubinov, J. S. Hoftun, M. M. Baarmand, W. Ko, S. A. Jerger, N. Graf, A. V. Kotwal, A. White, C. S. Mishra, G. Landsberg, T. McMahon, R. Partridge, K. Gounder, R. Hirosky, W. G. Cobau, A. Lucotte, T. Heuring, N. Sotnikova, T. Fahland, H. Greenlee, J. Krane, G. E. Forden, C. Cretsinger, D. Denisov, H. L. Melanson, M. I. Martin, N. Parashar, J. M. Hauptman, A. Sznajder, S. L. Linn, C. E. Gerber, J. Sculli, D. Chakraborty, R. Lipton, T. McKibben, V. A. Bezzubov, B. May, D. Coppage, K. Davis, K. W. Merritt, K. De, N. Oshima, T. Ferbel, R. E. Hall, V.V. Abramov, R. Yamada, J. M. Guida, G. Watts, S. Kuleshov, B. C. Choudhary, D. Cutts, L. Magaña-Mendoza, D. Claes, M. R. Krishnaswamy, G. Gutierrez, C. K. Jung, M. Strovink, D. Buchholz, A. S. Ito, V. Stolin, Randy Ruchti, A. Narayanan, W. Carvalho, R. Raja, V. Akimov, E. Shabalina, M. Zielinski, P. Gutierrez, M. Strauss, R. Piegaia, D. Norman, L. T. Goss, R. McCarthy, D. Zieminska, D. Lincoln, N. Varelas, V. Bhatnagar, H. A. Neal, G. Gómez, V. S. Burtovoi, P. Padley, S. Blessing, J. Linnemann, J. Li, H. Singh, R. Madden, D. Koltick, N. J. Hadley, A. R. Clark, H. Castilla-Valdez, N. Amos, M. Rijssenbeek, J. G.R. Lima, S. V. Chekulaev, H. Schellman, and J. Kotcher
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, High Energy Physics::Phenomenology, Tevatron, D0 experiment, law.invention, Nuclear physics, law, Bibliography, Physics::Accelerator Physics, High Energy Physics::Experiment, Fermilab, Resummation, Collider, Boson
Abstract: We present a measurement of the differential cross section as a function of transverse momentum of the Z boson 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 the NNLO resummation prediction and extract values of the non-perturbative parameters for the resummed prediction from a fit to the differential cross section.
Published: 2000

30. Studies ofWWandWZproduction and limits on anomalousWWγandWWZcouplings

Author: G. Landsberg, T. McMahon, U. Heintz, T. L. Geld, H. C. Shankar, A. L. Lyon, W. G. Cobau, D. Edmunds, E. Flattum, S. Snyder, J. Qian, R. Engelmann, R. D. Martin, J. Kotcher, N. K. Mondal, A. Baden, D. R. Green, V. D. Elvira, T. Marshall, C. Murphy, D. Fein, A. Sánchez-Hernández, H. D. Wahl, J. Yu, K. Johns, D. Hedin, H. Greenlee, M. A.C. Cummings, D. Karmanov, T. Ferbel, W. E. Cooper, A. Bross, M. Bhattacharjee, L. Oesch, Z. H. Zhu, S. B. Beri, J. F. Bartlett, S. K. Kim, S. Grünendahl, J. M. Guida, D. Claes, S. P. Denisov, H. Miettinen, J. Krane, H. da Motta, R. J. Madaras, D. L. Adams, G. A. Alves, V. Vaniev, M. Paterno, V. Stolin, R. Partridge, E. W. Varnes, R. Breedon, Y. Pischalnikov, J. A. Green, H. Evans, M. A. Shupe, J. Rutherfoord, S. Chopra, A. Narayanan, J. Solomon, R. Markeloff, C. Hays, C. Cretsinger, R. P. Smith, D. A. Stoyanova, H. Haggerty, J. P. Negret, D. Buchholz, A. S. Ito, K. S. Hahn, S. J. Wimpenny, S. Hansen, S. Kahn, E. Gallas, I. Adam, K. Gounder, R. Hirosky, J. Tarazi, S. Ahn, M. Zielinski, R. Kehoe, T. Yasuda, S. Y. Jun, Sebastian Grinstein, A. Santoro, A. Brandt, P. Gutierrez, J. H. Christenson, V. Oguri, M. Strauss, N. Biswas, K. Streets, R. Piegaia, D. Norman, G. R. Snow, A. Lucotte, F. Borcherding, S. Rajagopalan, K. Genser, Y. Ducros, B. Abbott, A. P. Vorobiev, E. G. Zverev, Philip Baringer, V. S. Narasimham, B. Zhang, N. R. Stanton, H. E. Fisk, B. Gómez, M. Merkin, B. Hoeneisen, J. Warchol, R. Brock, N. Oshima, R. Snihur, J. D. Hobbs, J. Womersley, R. E. Hall, M. Kubantsev, B. Gobbi, T. Heuring, R. Yamada, I. Bertram, H. E. Montgomery, D. Lincoln, B. Baldin, B. Pawlik, A. A. Volkov, F. Stichelbaut, P. Ermolov, R. A. Sidwell, S. Kuleshov, M. Fortner, J. A. Guida, L. T. Goss, R. McCarthy, V. Hagopian, E. Barberis, G. Blazey, T. Rockwell, Y. Fisyak, J. Perkins, P. Hanlet, P. Nemethy, D. Zieminska, N. Varelas, V. Bhatnagar, V. Gavrilov, S. N. Gurzhiev, G. Gutierrez, C. K. Jung, D. Karmgard, S. Fuess, K. Yip, A. V. Kostritskiy, F. Hsieh, M. Roco, A. V. Kotwal, A. Leflat, Y. Yu, S. Protopopescu, A. Para, D. R. Wood, G. Briskin, J. McDonald, G. Eppley, Y. Kulik, C. Hebert, B. G. Pope, Y. M. Park, M. R. Krishnaswamy, J. T. White, C. Boswell, H. S. Mao, P. I. Goncharov, A. Zieminski, A. Goussiou, M. Abolins, T. G. Trippe, W. Carvalho, G. Gómez, E. A. Kozlovsky, R. Raja, A. V. Kozelov, A. Zylberstejn, G. Steinbrück, L. Sawyer, J. M. Butler, S. Reucroft, Harrison Prosper, R. W. Stephens, S. R. Dugad, F. Landry, D. Stoker, P. Draper, E. Shabalina, J. McKinley, E. W. Anderson, O. I. Dahl, V. S. Burtovoi, M. Tartaglia, L. Lueking, D. Toback, A. White, R. D. Schamberger, P. Bloom, J. Bantly, P. Yepes, C. S. Mishra, V. Akimov, R. Hernández-Montoya, J. Ellison, A. A. Mayorov, S. Kunori, R. J. Genik, G. Guglielmo, S. Willis, J. Snow, Mitchell Wayne, A. Mincer, R. Jesik, B. Gibbard, C. Shaffer, P. Z. Quintas, V. V. Babintsev, N. Sotnikova, H. Jöstlein, V. Zutshi, J. B. Singh, M. Johnson, K. C. Frame, A. K.A. Maciel, J. Li, B. Klima, Alexander Belyaev, M. Adams, A. N. Galyaev, S. Youssef, D. Casey, V. Sirotenko, S. Blessing, H. Singh, J. M. Kohli, P. Mooney, P. Yamin, W. Chen, O. V. Eroshin, N. Parua, N. I. Bojko, P. Gartung, S. Feher, P. M. Tuts, M. Sosebee, M. L. Stevenson, M. Diesburg, L. V. Dudko, C. Klopfenstein, A. Gupta, P. Grudberg, T. Joffe-Minor, N. Amos, Tong Hu, M. Rijssenbeek, J. Thompson, P. Rubinov, R. Madden, T. Fahland, G. Wang, B. S. Acharya, D. Koltick, R. K. Shivpuri, M. Chung, J. Cochran, Z. Casilum, Y. Gershtein, A. Boehnlein, K. M. Mauritz, N. J. Hadley, J. Linnemann, P. Tamburello, H. T. Diehl, J. L. González Solís, V. N. Evdokimov, A. R. Clark, H. Castilla-Valdez, L. Coney, A. Jonckheere, J. G.R. Lima, S. V. Chekulaev, H. Schellman, C. Yoshikawa, D. Cullen-Vidal, H. Piekarz, J. S. Hoftun, A. P. Heinson, Miguel Mostafa, W. Ko, S. A. Jerger, V. Manankov, N. Graf, M. H.G. Souza, D. Owen, N. W. Reay, H. A. Neal, N. Mokhov, A. Dyshkant, H. Gordon, P. C. Bhat, M. Narain, E. Smith, G. E. Forden, P. Padley, S. Hagopian, H. Weerts, D. Denisov, H. L. Melanson, D. Coppage, K. Davis, G. Watts, D. Cutts, L. Magaña-Mendoza, S. Banerjee, F. Nang, L. Babukhadia, S. Choi, S. Krzywdzinski, K. Del Signore, Matthew Jones, S. Eno, M. Peters, S. Mani, T. L.T. Thomas, P. D. Grannis, Q. Z. Li, M. I. Martin, N. Parashar, J. M. Hauptman, A. Sznajder, S. L. Linn, C. E. Gerber, J. Sculli, D. Chakraborty, V.V. Abramov, B. C. Choudhary, J. V.D. Wirjawan, C. Miao, M. Demarteau, M. Strovink, Randy Ruchti, R. Lipton, T. McKibben, V. A. Bezzubov, B. May, K. W. Merritt, Z. Zhou, K. De, J. A. Wightman, G. Di Loreto, D. Shpakov, O. Ramirez, M. K. Fatyga, and M. M. Baarmand
Subjects: Nuclear physics, Coupling, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), 010306 general physics, Lambda, 01 natural sciences, Luminosity
Abstract: Evidence of anomalous WW and WZ production was sought in pbar{p} collisions at a center-of-mass energy of sqrt(s) = 1.8 TeV. The final states $WW (WZ) to mu-nu-jet-jet + X, WZ to mu-nu-e-e + X and WZ to e-nu-e-e + X were studied using a data sample corresponding to an integrated luminosity of approximately 90 pb-1. No evidence of anomalous diboson production was found. Limits were set on anomalous WWgamma and WWZ couplings and were combined with our previous results. The combined 95% confidence level anomalous coupling limits for Lambda=2 TeV are -0.25 LE Delta-kappa LE 0.39 (lambda=0) and -0.18 LE lambda LE 0.19 (Delta \kappa = 0), assuming the WWgamma couplings are equal to the WWZ couplings.
Published: 1999

31. Search for bottom squarks inpp¯collisions ats=1.8 TeV

Author: A. Sánchez-Hernández, B. Klima, W. E. Cooper, A. Bross, M. H.G. Souza, Q. Z. Li, T. Rockwell, M. Bhattacharjee, T. L. Geld, A. L. Lyon, M. Diesburg, V. D. Elvira, C. Murphy, D. Fein, S. K. Kim, R. Hernández-Montoya, D. A. Stoyanova, V. Vaniev, S. Kunori, N. Oshima, K. Streets, K. Genser, H. da Motta, J. G.R. Lima, S. Banerjee, R. Brock, B. Lauer, R. Lipton, J. B. Singh, M. Johnson, M. L. Stevenson, P. Grudberg, R. Yamada, M. Tartaglia, R. D. Schamberger, J. S. Hoftun, K. C. Frame, A. K.A. Maciel, B. Hoeneisen, M. Abolins, P. Mooney, S. R. Dugad, P. Rubinov, N. I. Bojko, Miguel Mostafa, V. Gavrilov, Gilvan Alves, F. Nang, P. Bloom, W. Chen, M. Fortner, N. Parua, J. Snow, D. Owen, D. Cullen-Vidal, H. Piekarz, D. Buchholz, A. S. Ito, R. J. Genik, Mitchell Wayne, S. Fuess, A. Leflat, C. Klopfenstein, A. Gupta, W. Ko, J. Bantly, M. Merkin, R. Snihur, S. N. Gurzhiev, G. Gutierrez, C. K. Jung, L. Babukhadia, G. E. Forden, P. Yepes, S. A. Jerger, M. A.C. Cummings, L. T. Goss, R. McCarthy, T. McKibben, V. A. Bezzubov, B. May, K. W. Merritt, K. De, A. P. Heinson, R. Partridge, L. V. Dudko, S. Choi, A. A. Mayorov, A. Mincer, T. Joffe-Minor, B. Zhang, D. Denisov, N. Graf, D. Lincoln, P. I. Goncharov, J. Thompson, H. Gordon, D. Zieminska, R. Raja, M. Adams, D. Karmanov, A. Zieminski, E. Shabalina, M. Chung, Z. H. Zhu, V. Manankov, G. Gómez, Andre Sznajder, Alexander Belyaev, H. L. Melanson, J. M. Kohli, S. Rajagopalan, N. Varelas, M. M. Baarmand, J. V.D. Wirjawan, C. Miao, M. Demarteau, H. Greenlee, K. Gounder, R. Hirosky, V. Bhatnagar, E. A. Kozlovsky, D. L. Adams, R. Madden, B. Gómez, P. Tamburello, H. T. Diehl, S. Grünendahl, A. V. Kozelov, S. Reucroft, P. C. Bhat, J. L. González Solís, A. Dyshkant, D. Koltick, H. Miettinen, R. Breedon, M. A. Shupe, J. F. Bartlett, A. Lucotte, V.V. Abramov, P. Gartung, J. Yu, J. Krane, S. Krzywdzinski, M. Narain, R. Markeloff, E. Smith, N. J. Hadley, S. J. Wimpenny, A. R. Clark, S. B. Beri, P. Nemethy, N. Mokhov, F. Borcherding, B. C. Choudhary, S. Hagopian, H. Castilla-Valdez, P. M. Tuts, C. Cretsinger, Z. Zhou, H. E. Montgomery, T. Heuring, T. Ferbel, H. E. Fisk, M. Sosebee, E. G. Zverev, G. Landsberg, T. McMahon, H. Weerts, S. V. Chekulaev, H. Schellman, E. W. Varnes, J. Kotcher, L. Coney, K. Del Signore, A. V. Kotwal, A. N. Galyaev, M. Strovink, J. M. Butler, E. Barberis, Matthew Jones, G. Briskin, J. A. Wightman, A. Jonckheere, J. M. Guida, S. Eno, Y. Fisyak, J. T. White, G. Blazey, V. S. Burtovoi, A. Baden, C. Yoshikawa, N. Sotnikova, V. Sirotenko, Y. Yu, J. Linnemann, G. Di Loreto, D. Claes, M. Roco, J. McDonald, Alberto Santoro, L. Oesch, W. G. Cobau, Y. Kulik, Wagner Carvalho, M. Peters, N. K. Mondal, D. Shpakov, B. Gibbard, Randy Ruchti, B. Gobbi, O. Ramirez, F. Stichelbaut, D. Karmgard, S. Blessing, A. White, G. Guglielmo, S. Willis, H. Jöstlein, R. J. Madaras, D. Coppage, K. Davis, V. Stolin, S. Mani, T. L.T. Thomas, P. D. Grannis, V. V. Babintsev, V. Zutshi, C. S. Mishra, B. S. Acharya, J. Perkins, P. Hanlet, R. P. Smith, H. D. Wahl, M. K. Fatyga, C. Hebert, S. Protopopescu, A. Para, J. A. Guida, A. Narayanan, K. S. Hahn, M. I. Martin, N. Parashar, F. Hsieh, B. G. Pope, T. Fahland, J. Womersley, V. Oguri, G. Wang, S. Youssef, D. Casey, J. M. Hauptman, B. Baldin, B. Pawlik, M. Paterno, Y. Ducros, G. Watts, D. Cutts, L. Magaña-Mendoza, M. Zielinski, S. L. Linn, P. Gutierrez, A. Zylberstejn, C. Boswell, T. Yasuda, S. Y. Jun, Y. M. Park, Sebastian Grinstein, T. G. Trippe, H. Haggerty, J. H. Christenson, J. Rutherfoord, G. Steinbrück, Tong Hu, C. E. Gerber, J. Sculli, D. Chakraborty, J. McKinley, M. Strauss, N. Biswas, R. Piegaia, D. Norman, R. K. Shivpuri, J. Cochran, Y. Gershtein, K. M. Mauritz, L. Lueking, Z. Casilum, J. D. Hobbs, V. N. Evdokimov, V. Hagopian, Y. Pischalnikov, K. Yip, S. Hansen, S. Kahn, E. Gallas, S. Ahn, G. R. Snow, A. P. Vorobiev, D. R. Wood, F. Landry, D. Stoker, S. P. Denisov, S. Chopra, H. S. Mao, V. S. Narasimham, P. Yamin, O. V. Eroshin, I. Adam, Philip Baringer, I. Bertram, A. V. Kostritskiy, G. Eppley, A. Goussiou, L. Sawyer, P. Draper, J. Ellison, C. Shaffer, P. Z. Quintas, S. Feher, A. Boehnlein, R. E. Hall, S. Kuleshov, M. R. Krishnaswamy, V. Akimov, H. A. Neal, P. Padley, J. Li, H. C. Shankar, S. Snyder, H. Singh, N. Amos, M. Rijssenbeek, E. W. Anderson, O. I. Dahl, R. Jesik, J. Solomon, A. Brandt, B. Abbott, A. A. Volkov, J. Tarazi, R. Kehoe, J. Warchol, U. Heintz, D. Edmunds, E. Flattum, J. Qian, R. Engelmann, D. R. Green, T. Marshall, K. Johns, D. Hedin, J. P. Negret, P. Ermolov, Harrison Prosper, and R. W. Stephens
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Branching fraction, High Energy Physics::Phenomenology, Superpartner, Elementary particle, Lightest Supersymmetric Particle, Bottom quark, Physics::Fluid Dynamics, Nuclear physics, Neutralino, High Energy Physics::Experiment, Fermilab
Abstract: We report on a search for bottom squarks produced in pbarp collisions at sqrt(s) = 1.8 TeV using the D0 detector at Fermilab. Bottom squarks are assumed to be produced in pairs and to decay to the lightest supersymmetric particle (LSP) and a b quark with branching fraction of 100%. The LSP is assumed to be the lightest neutralino and stable. We set limits on the production cross section as a function of bottom squark mass and LSP mass.
Published: 1999

32. Search for charged Higgs bosons in decays of top quark pairs

Author: T. McKibben, J. Yu, V. A. Bezzubov, J. P. Negret, K. Streets, Vipin Bhatnagar, R. P. Smith, Michael Shupe, D. Buchholz, R. Jesik, Sun Kee Kim, Y. Pischalnikov, R. Snihur, P. Tamburello, A. V. Kotwal, Harrison Prosper, L. T. Goss, H. S. Mao, D. L. Adams, A. Jonckheere, Z. Wu, S. Chopra, Gordon Watts, E. W. Anderson, G. Wang, Alberto Santoro, J. G.R. Lima, V. Sirotenko, G. Kalbfleisch, D. Coppage, O. V. Eroshin, Q. Z. Li, Emanuela Barberis, Y. Fisyak, D. Shpakov, Gregory R Snow, M. Chung, Andre Sznajder, Yuri Gershtein, Phillip Gutierrez, Allen Mincer, S. A. Jerger, M. D. Peters, A. V. Kozelov, M. L. Stevenson, Sebastian Grinstein, Alexander Belyaev, H. E. Fisk, J. M. Guida, D. Hedin, B. Gibbard, L. Oesch, J. T. White, W. G. Cobau, M. I. Martin, Robert Hirosky, K. M. Mauritz, Marvin Johnson, M. H.G. Souza, D. Fein, M. Fortner, Steve Reucroft, T. Joffe-Minor, T. Fahland, J. McDonald, F. Lobkowicz, G. Eppley, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, L. Magaña-Mendoza, Michael A. Strauss, Dhiman Chakraborty, Y. Ducros, H. Haggerty, P. Padley, Alexey Volkov, J. Warchol, A. Boehnlein, V. S. Burtovoi, P. Ermolov, H. da Motta, D. Zieminska, H. L. Melanson, P. Z. Quintas, J. Sculli, M. Diesburg, W. Y. Chen, D. Edmunds, Ricardo Piegaia, M. Merkin, Don Lincoln, Erich Varnes, S. Fuess, Philip Baringer, Daniel John Karmgard, Z. Zhou, J. Solomon, James H Cochran, J. Jaques, Mitchell Wayne, H. Schellman, J. M. Kohli, V. S. Narasimham, C. Boswell, W. E. Cooper, J. Snow, C. Hebert, S. Grünendahl, N. Parua, V.V. Abramov, M. Bhattacharjee, G. Gutierrez, V. N. Evdokimov, Gervasio Gomez, C. Yoshikawa, Pm Tuts, J. Thompson, Nikos Varelas, Ron Lipton, J. H. Christenson, Suman Bala Beri, T. G. Trippe, A. A. Mayorov, B. Gómez, Raymond Brock, Z. H. Zhu, Boaz Klima, F. Stichelbaut, J. Womersley, M. K. Fatyga, B. G. Pope, J. Linnemann, J. M. Hauptman, Cecilia Elena Gerber, Sharon Hagopian, C. Shaffer, Shashikant Dugad, V. V. Babintsev, J. Perkins, D. Denisov, D. Cullen-Vidal, K. Genser, N. N. Biswas, S. Willis, Jianming Qian, L. Lueking, Mark Raymond Adams, D. Karmanov, Elizabeth Gallas, A. Bross, Richard Breedon, N.V. Mokhov, H. Greenlee, R. L. McCarthy, R. D. Schamberger, A. N. Galyaev, Stephen Wimpenny, G. Briskin, A. V. Kostritskiy, G. E. Forden, A. P. Heinson, B. Zhang, K. Del Signore, Matthew Jones, Sissel Hansen, Brajesh C Choudhary, E. Flattum, R. Yamada, Tong Hu, Arnaud Lucotte, J. McKinley, Y. M. Park, Peter Nemethy, M. Roco, L. Coney, Li Jingyuan, J. D. Hobbs, A. L. Lyon, Shuichi Kunori, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, Ulrich Heintz, V. Vaniev, Daniel R Claes, H. Jöstlein, Rajendran Raja, R. E. Hall, K. Yip, D. P. Stoker, D. A. Stoyanova, R. J. Genik, J. L. González Solís, R. W. Stephens, A.S. Dyshkant, G. Steinbrück, D. Owen, T. Marshall, J. Tarazi, Z. Casilum, B. Pawlik, P. Yepes, Brad Abbott, N. Amos, R. J. Madaras, Randy Ruchti, S. Krzywdzinski, C. Cretsinger, Alexander Leflat, M. Strovink, H. E. Montgomery, D. Casey, Andrew White, J. Kotcher, Gilvan Alves, Darien Wood, Sergey Denisov, Pushpalatha C Bhat, Nicholas John Hadley, C. S. Mishra, O. I. Dahl, S. Feher, R. Partridge, Young-Sang Yu, N. Graf, K. Gounder, S. Blessing, A. Zieminski, B. Lauer, Vasken Hagopian, M. A.C. Cummings, E. Smith, E. Shabalina, Scott Snyder, R. Markeloff, R. K. Shivpuri, B. Hoeneisen, S. Y. Jun, T. L.T. Thomas, Lev Dudko, M. Tartaglia, Kaushik De, A. S. Ito, S.A. Kahn, C. Murphy, J. V. D. Wirjawan, V. Oguri, T. Heuring, M. Demarteau, A. P. Vorobiev, Stephan Linn, Y. Kulik, N. Oshima, B. May, H. Weerts, B. Gobbi, Anurag Gupta, Jasvinder A. Singh, P. Hanlet, D. Koltick, P. Yamin, S. Mani, R. Madden, Peter W. Draper, C. K. Jung, V. Stolin, Kenneth Johns, P. I. Goncharov, C. Miao, N. K. Mondal, M. Abolins, P. Mooney, H. T. Diehl, H. Singh, J. Ellison, A. K.A. Maciel, Heriberto Castilla-Valdez, David Cutts, T. Yasuda, S. N. Gurzhiev, P. Gartung, B. Baldin, Suyong Choi, D. Norman, Joan A. Guida, G. Di Loreto, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, Sergey Kuleshov, S. Protopopescu, H. D. Wahl, Winston Ko, Victor Daniel Elvira, L. Sawyer, P. Bloom, J. A. Wightman, N. Parashar, N. I. Bojko, M. Zielinski, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, S. Youssef, G. Guglielmo, A. Sanchez-Hernandez, C. Klopfenstein, Robert Kehoe, Eunil Won, V. Gavrilov, L. Babukhadia, R. Hernández-Montoya, N. Sotnikova, J. Krane, E. G. Zverev, J. F. Bartlett, A. Goussiou, I. Adam, P. Rubinov, Meenakshi Narain, K. W. Merritt, A. Narayanan, V. Manankov, A. Baden, G. C. Blazey, J. Bantly, S. H. Ahn, F. Landry, John Rutherfoord, Andrew Brandt, Howard Gordon, R. Engelmann, K. C. Frame, O. Ramirez, M. Sosebee, A. Zylberstejn, E. A. Kozlovsky, H.E. Miettinen, P. Grudberg, M. R. Krishnaswamy, F. Hsieh, A. R. Clark, A. Para, Sergey Chekulaev, T. McMahon, K. S. Hahn, Wagner Carvalho, Greg Landsberg, Sw. Banerjee, T. L. Geld, M. Paterno, F. Borcherding, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, and F. Nang
Subjects: Physics, Quark, Particle physics, Top quark, Branching fraction, High Energy Physics::Phenomenology, FOS: Physical sciences, General Physics and Astronomy, High Energy Physics - Experiment, Standard Model, Nuclear physics, High Energy Physics - Experiment (hep-ex), Particle decay, Higgs boson, Production (computer science), High Energy Physics::Experiment, Boson
Abstract: We present a search for charged Higgs bosons in decays of pair-produced top quarks using 109.2 +- 5.8 pb^-1 of data recorded from ppbar collisions at sqrt{s} = 1.8 TeV by the D0 detector during 1992-96 at the Fermilab Tevatron. No evidence is found for charged Higgs production, and most parts of the [m(H+),tan(beta)] parameter space where the decay t -> bH+ has a branching fraction close to or larger than that for t -> bW+ are excluded at 95% confidence level. Assuming m(t) = 175 GeV and sigma(ppbar -> ttbar) = 5.5 pb, for m(H+) = 60 GeV, we exclude tan(beta) < 0.97 and tan(beta) > 40.9., 11 pages, 3 figures, submitted to PRL
Published: 1999

33. Measurement of the top quark pair production cross section inpp¯collisions using multijet final states

Author: G. Eppley, H. da Motta, J. G.R. Lima, A. S. Ito, R. L. McCarthy, T. Fahland, T. McMahon, Peter Nemethy, M. Roco, E. Flattum, E. Smith, C. S. Mishra, G. Guglielmo, Heriberto Castilla-Valdez, Andrew White, Vasken Hagopian, H. Weerts, B. G. Pope, A. V. Kostritskiy, Sissel Hansen, L. Coney, Lev Dudko, N. Parua, V.V. Abramov, M. Fortner, Elizaveta Shabalina, John Hobbs, Young-Sang Yu, J. Perkins, Matthew Jones, J. T. White, Arnaud Lucotte, J. M. Hauptman, Cecilia Elena Gerber, E. W. Anderson, Emanuela Barberis, T. McKibben, V. V. Babintsev, L. T. Goss, Q. Z. Li, Randy Ruchti, S. Fuess, Jianming Qian, J. Jaques, Richard Breedon, Allen Mincer, F. Borcherding, Z. Wu, R. Jesik, Sebastian Grinstein, Vladimir Gavrilov, Tong Hu, Ron Lipton, P. I. Goncharov, P. Padley, J. Womersley, Gordon Watts, V. Sirotenko, M. Sosebee, J. McKinley, Alexey Volkov, O. V. Eroshin, H. Haggerty, C. Miao, S. Youssef, S. Choi, Wagner Carvalho, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, Phillip Gutierrez, Miguel Mostafa, M. M. Baarmand, S. C. Loken, A. Sanchez-Hernandez, Sarah Catherine Eno, Stefan Grünendahl, Robert Kehoe, D. Karmanov, J. Thompson, B. Gómez, J. Bantly, S. A. Jerger, A. Leflat, D. Vititoe, Z. H. Zhu, F. Nang, W. G. Cobau, M. I. Martin, N.V. Mokhov, A. L. Lyon, Shuichi Kunori, Brajesh C Choudhary, R. J. Genik, Shashikant Dugad, K. S. Hahn, Eunil Won, V. Vaniev, D. Cutts, C. K. Jung, Andrew Brandt, N. Amos, D. Edmunds, Greg Landsberg, B. Baldin, G. Wang, Alberto Santoro, Y. H. Zhou, J. McDonald, G. E. Forden, A. P. Heinson, B. Zhang, R. Engelmann, T. L. Geld, Seong Keun Kim, M. Chung, Andre Sznajder, Y. Ducros, E. A. Kozlovsky, H.E. Miettinen, M. Bhattacharjee, Philip Baringer, R. Hernández-Monloya, T. G. Trippe, T. Joffe-Minor, M. D. Peters, D. Shpakov, A. Baden, Pushpalatha C Bhat, G. C. Blazey, S. Banerjee, R. Yamada, M. Paterno, L. Oesch, H. E. Fisk, K. Gounder, S. H. Ahn, R. E. Hall, E. G. Zverev, J. L. González Solís, Y. Gershtein, Z. Casilum, Michael A. Strauss, B. Lauer, Z. Zhou, J. Solomon, P. Hanlet, Sergey Kuleshov, Victor Daniel Elvira, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, F. Landry, John Rutherfoord, G. Finocchiaro, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, C. Boswell, Sharon Hagopian, Mary Beth Adams, B. Pawlik, J. T. Linnemann, K. Yip, P. Bloom, M. Abolins, J. A. Wightman, Meenakshi Narain, N. I. Bojko, S. Krzywdzinski, A. K.A. Maciel, P. Mooney, Y. M. Park, E. Oltman, D. Casey, Suman Bala Beri, S.A. Kahn, Jinhong Yu, J. Kotcher, A.S. Dyshkant, M. Demarteau, A. Narayanan, N. K. Mondal, H. T. Diehl, H. Singh, S. Reucroft, O. I. Dahl, A. Boehnlein, C. Yoshikawa, J. Ellison, A. Zylberstejn, N. Graf, K. Streets, Vipin Bhatnagar, B. May, H. Greenlee, R. Partridge, L. Magaña-Mendoza, P. Yamin, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, A. Bross, M. Merkin, S. Mani, Serban Protopopescu, H. S. Mao, D. L. Adams, R. Piegaia, R. Madden, D. Fein, Don Lincoln, Erich Varnes, Daniel John Karmgard, Peter W. Draper, Y. Pischalnikov, Ulrich Heintz, Raymond Brock, Boaz Klima, K. M. Mauritz, R. Snihur, H. Jöstlein, M. Diesburg, Jing Li, A. Jonckheere, P.F. Ermolov, D. Norman, D. Owen, H. D. Wahl, A. P. Vorobiev, Stephan Linn, H. L. Melanson, P. Z. Quintas, B. Gobbi, Winston Ko, J. Tarazi, S. Willis, N. Oshima, S. M. Chang, Daria Zieminska, J. H. Christenson, R. D. Schamberger, Anurag Gupta, A. N. Galyaev, Alexander Belyaev, V. S. Burtovoi, C. Klopfenstein, W. E. Cooper, Jasvinder A. Singh, Daniel R Claes, D. A. Stoyanova, Gervasio Gomez, T. Yasuda, C. Shaffer, D. Cullen-Vidal, K. Genser, N. Sotnikova, J. Krane, N. N. Biswas, C. Murphy, S. Chopra, P. Gartung, T. Heuring, R. J. Madaras, Y. Kulik, D. Buchholz, Edilamar Menezes de Oliveira, P. Tamburello, Anna Goussiou, Gregory R Snow, Dhiman Chakraborty, M. H.G. Souza, P. Yepes, H. E. Montgomery, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, V. N. Evdokimov, D.S. Koltick, J. M. Guida, D. Hedin, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, A. V. Kotwal, Harrison Prosper, M. Zielinski, Joan A. Guida, G. Di Loreto, L. Lueking, J. H. Moromisato, K. Del Signore, D. Denisov, Hiroaki Aihara, Srinivasan Rajagopalan, P. M. Tuts, R. W. Stephens, Robert Hirosky, Thomas Ferbel, Dan Green, W. Y. Chen, G. Gutierrez, Gilvan Alves, George R. Kalbfleisch, V. S. Narasimham, A. A. Mayorov, M. K. Fatyga, G. Steinbrück, J. Snow, S. N. Gurzhiev, Viatcheslav Stolin, F. Stichelbaut, V. Oguri, M. L. Stevenson, J. Warchol, J. V.D. Wirjawan, Elizabeth Gallas, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, I. Adam, P. Rubinov, K. W. Merritt, J. F. Bartlett, V. Manankov, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, F. Hsieh, A. R. Clark, A. Para, Sergey Chekulaev, K. A. Johns, L. Babukhadia, R. K. Shivpuri, M. Tartaglia, Kaushik De, B. Gibbard, J. Sculli, Nikos Varelas, Stephen Wimpenny, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, Y. Fisyak, Marvin Johnson, A. V. Kozelov, C. Cretsinger, M. Strovink, D. P. Stoker, Rajendran Raja, Brad Abbott, S. Feher, A. Zieminski, S. Y. Jun, and T. L.T. Thomas
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Cross section (physics), Top quark, Pair production, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries)
Abstract: This if the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.60.012001.
Published: 1999

34. Limits onWWγandWWZcouplings fromWboson pair production

Author: B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, G. A. Alves, N. Amos, E. W. Anderson, R. Astur, M. M. Baarmand, L. Babukhadia, A. Baden, V. Balamurali, J. Balderston, B. Baldin, S. Banerjee, J. Bantly, E. Barberis, J. F. Bartlett, A. Belyaev, S. B. Beri, I. Bertram, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, N. Biswas, G. Blazey, S. Blessing, P. Bloom, A. Boehnlein, N. I. Bojko, F. Borcherding, C. Boswell, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. S. Burtovoi, J. M. Butler, W. Carvalho, D. Casey, Z. Casilum, H. Castilla-Valdez, D. Chakraborty, S.-M. Chang, S. V. Chekulaev, L.-P. Chen, W. Chen, S. Choi, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, L. Coney, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. A. C. 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, D. Edmunds, J. Ellison, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, V. N. Evdokimov, T. Fahland, M. K. Fatyga, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, Y. Fisyak, E. Flattum, G. E. Forden, M. Fortner, K. C. Frame, S. Fuess, E. Gallas, A. N. Galyaev, P. Gartung, V. Gavrilov, T. L. Geld, R. J. Genik, K. Genser, C. E. Gerber, Y. Gershtein, B. Gibbard, S. Glenn, B. Gobbi, A. Goldschmidt, 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, D. R. Green, H. Greenlee, S. Grinstein, P. Grudberg, S. Grünendahl, G. Guglielmo, J. A. Guida, J. M. Guida, 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, D. Hedin, A. P. Heinson, U. Heintz, R. Hernández-Montoya, T. Heuring, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. S. Hoftun, F. Hsieh, Ting Hu, Tong Hu, T. Huehn, A. S. Ito, E. James, J. Jaques, S. A. Jerger, R. Jesik, J. Z.-Y. Jiang, T. Joffe-Minor, H. Johari, K. Johns, M. Johnson, A. Jonckheere, M. Jones, H. Jöstlein, S. Y. Jun, C. K. Jung, S. Kahn, G. Kalbfleisch, J. S. Kang, D. Karmanov, D. Karmgard, R. Kehoe, M. L. Kelly, C. L. Kim, S. K. Kim, B. Klima, C. Klopfenstein, J. M. Kohli, D. Koltick, A. V. Kostritskiy, J. Kotcher, A. V. Kotwal, J. Kourlas, A. V. Kozelov, E. A. Kozlovsky, J. Krane, M. R. Krishnaswamy, S. Krzywdzinski, S. Kuleshov, S. Kunori, F. Landry, G. Landsberg, B. Lauer, A. Leflat, H. Li, J. Li, Q. Z. Li-Demarteau, J. G. R. Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, S. C. Loken, S. Lökös, L. Lueking, A. L. Lyon, A. K. A. Maciel, R. J. Madaras, R. Madden, L. Magaña-Mendoza, V. Manankov, S. Mani, H. S. Mao, R. Markeloff, T. Marshall, M. I. Martin, K. M. Mauritz, B. May, A. A. Mayorov, R. McCarthy, J. McDonald, T. McKibben, J. McKinley, T. McMahon, H. L. Melanson, M. Merkin, K. W. Merritt, H. Miettinen, A. Mincer, C. S. Mishra, N. Mokhov, N. K. Mondal, H. E. Montgomery, P. Mooney, H. da Motta, C. Murphy, F. Nang, M. Narain, V. S. Narasimham, A. Narayanan, H. A. Neal, J. P. Negret, P. Nemethy, D. Norman, L. Oesch, V. Oguri, E. Oliveira, E. Oltman, N. Oshima, D. Owen, P. Padley, A. Para, Y. M. Park, R. Partridge, N. Parua, M. Paterno, B. Pawlik, J. Perkins, M. Peters, R. Piegaia, H. Piekarz, Y. Pischalnikov, B. G. Pope, H. B. Prosper, S. Protopopescu, J. Qian, P. Z. Quintas, R. Raja, S. Rajagopalan, O. Ramirez, L. Rasmussen, S. Reucroft, M. Rijssenbeek, T. Rockwell, M. Roco, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Sánchez-Hernández, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, J. Sculli, E. Shabalina, C. Shaffer, H. C. Shankar, R. K. Shivpuri, M. Shupe, H. Singh, J. B. Singh, V. Sirotenko, W. Smart, E. Smith, R. P. Smith, R. Snihur, G. R. Snow, J. Snow, S. Snyder, J. Solomon, M. Sosebee, N. Sotnikova, M. Souza, A. L. Spadafora, G. Steinbrück, R. W. Stephens, M. L. Stevenson, D. Stewart, F. Stichelbaut, D. Stoker, V. Stolin, D. A. Stoyanova, M. Strauss, K. Streets, M. Strovink, A. Sznajder, P. Tamburello, J. Tarazi, M. Tartaglia, T. L. T. Thomas, J. Thompson, T. G. Trippe, P. M. Tuts, N. Varelas, E. W. Varnes, D. Vititoe, A. A. Volkov, A. P. Vorobiev, H. D. Wahl, G. Wang, J. Warchol, G. Watts, M. Wayne, H. Weerts, A. White, J. T. White, J. A. Wightman, S. Willis, S. J. Wimpenny, J. V. D. Wirjawan, J. Womersley, E. Won, D. R. Wood, H. Xu, R. Yamada, P. Yamin, J. Yang, T. Yasuda, P. Yepes, C. Yoshikawa, S. Youssef, J. Yu, Y. Yu, Z. Zhou, Z. H. Zhu, D. Zieminska, A. Zieminski, E. G. Zverev, and A. Zylberstejn
Subjects: Physics, Massless particle, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), Pair production, Muon, Elementary particle, Fermion, Lepton, Boson
Abstract: The results of a search for W boson pair production in pp collisions at √s=1.8TeV with subsequent decay to eμ, ee, and μμ channels are presented. Five candidate events are observed with an expected background of 3.1±0.4 events for an integrated luminosity of approximately 97pb -1 . Limits on the anomalous couplings are obtained from a maximum likelihood fit of the E T spectra of the leptons in the candidate events. Assuming identical WWγ and WWZ couplings, the 95% C.L. limits are -0.62
Published: 1998

35. Determination of the mass of theWboson using the D∅ detector at the Fermilab Tevatron

Author: C. S. Mishra, G. Guglielmo, P. Gartung, Vasken Hagopian, M.K. Fatyga, W. Y. Chen, Gilvan Alves, H. Weerts, C. Murphy, R. K. Shivpuri, George R. Kalbfleisch, Lev Dudko, R. Astur, V. S. Narasimham, M. Tartaglia, T. Heuring, K. M. Mauritz, S. Lami, D. Casey, P.F. Ermolov, A. A. Mayorov, N.V. Mokhov, Kaushik De, M. K. Fatyga, G. E. Forden, A. P. Heinson, S. P. Denisov, P. Grudberg, V. S. Burtovoi, M. R. Krishnaswamy, Rajendran Raja, J. Snow, C. Klopfenstein, S. Youssef, S. Choi, C. Cretsinger, N. Parua, R. E. Hall, A. Sanchez-Hernandez, Robert Kehoe, B. Baldin, J. Balderston, Y. Ducros, F. Hsieh, Victor Daniel Elvira, T. Fahland, A. Jonckheere, A. R. Clark, S. Grünendahl, A. Para, M. Strovink, Stephan Linn, E. James, J. L. González Solís, Z. Casilum, Matthew Jones, Brad Abbott, R. L. Lander, D. Lincoln, Eunil Won, M. Bhattacharjee, E. Flattum, R. Snihur, J. M. Guida, D. Hedin, R. J. Madaras, P. Bloom, J. A. Wightman, S. Krzywdzinski, N. Oshima, Sergey Chekulaev, Daria Zieminska, R. Hirosky, N. I. Bojko, D. Buchholz, N. Varelas, R. D. Schamberger, V. I. Kochetkov, Q. Z. Li-Demarteau, B. Gibbard, P. Tamburello, J. S. Hoftun, K. Davis, J. N. Butler, Heng Xu, P. D. Grannis, L. Magaña-Mendoza, S. Feher, S. M. Chang, H. Piekarz, Pushpalatha C Bhat, A. Zylberstejn, K. Del Signore, E. G. Zverev, Anna Goussiou, Randy Ruchti, Ting Hu, V. A. Bezzubov, S. C. Loken, A. L. Spadafora, K. Gounder, J. Sculli, R. Hernández-Montoya, F. Stichelbaut, H. Greenlee, Alexander Belyaev, P. Hanlet, C. L. Kim, Haifeng Li, J. P. Negret, R. P. Smith, A. Zieminski, Gregory R Snow, V. Oguri, Michael Shupe, Hiroaki Aihara, S. Fuess, G. Finocchiaro, N. Sotnikova, J. Krane, H. Lan, B. Lauer, M. A.C. Cummings, B. Hoeneisen, H. L. Melanson, P. Z. Quintas, A. Bross, Lee Sawyer, D. Stewart, S. N. Gurzhiev, P. I. Goncharov, Stephen Wimpenny, P. M. Tuts, R. L. McCarthy, M. Merkin, M. L. Kelly, Howard Gordon, Heriberto Castilla-Valdez, G. P. Grim, Gordon Watts, V. Sirotenko, R. W. Stephens, Meenakshi Narain, M. L. Stevenson, T. Marshall, Gervasio Gomez, Serban Protopopescu, S. Y. Jun, T. L.T. Thomas, B. May, K. C. Frame, Andrew White, O. V. Eroshin, O. Ramirez, Dhiman Chakraborty, Phillip Gutierrez, N. Denisenko, M. Chung, D. P. Stoker, M. H.G. Souza, A. V. Kotwal, Harrison Prosper, S. Reucroft, C. Yoshikawa, Darien Wood, T. McMahon, Y. E. Gutnikov, J. Warchol, Y. M. Park, S.A. Kahn, T. Huehn, D. Fein, Peter Nemethy, H. D. Wahl, T. G. Trippe, G. Eppley, P. Yepes, J. Kourlas, Nicholas John Hadley, Y. Fisyak, J. H. Christenson, S. Blessing, Scott Snyder, H. E. Montgomery, R. Markeloff, I. Adam, P. Rubinov, K. W. Merritt, J. F. Bartlett, A. Narayanan, F. Borcherding, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, N. N. Biswas, Sharon Hagopian, M. Demarteau, John Hobbs, A. K.A. Maciel, Yanwen Liu, Raymond Brock, Boaz Klima, Erich Varnes, L. Lueking, H. da Motta, J. G.R. Lima, S. Chopra, F. Lobkowicz, B. Gobbi, K. Bazizi, E. Oltman, Daniel John Karmgard, C. K. Jung, M. Sosebee, A. S. Ito, P. Padley, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, Young-Sang Yu, A. L. Lyon, D. Norman, E. Amidi, J. V.D. Wirjawan, Shuichi Kunori, N. Grossman, R. Piegaia, Anurag Gupta, N. Amos, S. Willis, Alexey Volkov, J. Yang, Jing Li, M. Pang, J. Bantly, V. N. Evdokimov, D.S. Koltick, Quing Zhu, A. N. Galyaev, V. M. Podstavkov, Jasvinder A. Singh, Elizabeth Gallas, M. Fortner, Y. Pischalnikov, Ulrich Heintz, J. Perkins, M. Abolins, H. Jöstlein, T. Yasuda, P. Mooney, B. Pawlik, W. Smart, K. A. Johns, W. E. Cooper, P. Yamin, M. Diesburg, James H Cochran, L. P. Chen, N. K. Mondal, Daniel R Claes, Marvin Johnson, H. T. Diehl, H. Singh, D. Owen, A. Boehnlein, A. V. Kozelov, Andrew Brandt, P. M. Sood, R. Engelmann, J. Tarazi, Emanuela Barberis, S. Mani, J. Z.Y. Jiang, J. Ellison, Mitchell Wayne, H. Schellman, J. M. Kohli, L. T. Goss, H.E. Miettinen, J. Jaques, J. Kotcher, R. Madden, E. A. Kozlovski, L. Rasmussen, H. Haggerty, S. Lökös, Peter W. Draper, Ron Lipton, J. Womersley, Joan A. Guida, M. M. Baarmand, Sarah Catherine Eno, G. Di Loreto, J. Thompson, D. Denisov, Srinivasan Rajagopalan, O. I. Dahl, Thomas Ferbel, Dan Green, N. Graf, K. Streets, Vipin Bhatnagar, B. Gómez, Vyacheslav Klyukhin, Z. H. Zhu, F. Nang, R. Partridge, Brajesh C Choudhary, H. S. Mao, D. L. Adams, A. Baden, Shashikant Dugad, Bobby Samir Acharya, G. C. Blazey, H. A. Neal, H. C. Shankar, J. T. Linnemann, R. Yamada, M. Goforth, S. H. Ahn, Jinhong Yu, A. Klatchko, F. Landry, John Rutherfoord, D. Edmunds, E. W. Anderson, Mary Beth Adams, Andre Sznajder, M. D. Peters, James C. Green, K. S. Hahn, Allen Mincer, L. Oesch, D. Cutts, Sebastian Grinstein, Michael A. Strauss, Greg Landsberg, T. McKibben, A. V. Kostritskiy, T. L. Geld, Sissel Hansen, C. Boswell, Natalie A. Roe, M. Paterno, Alexander Vorobiev, Suman Bala Beri, R. Jesik, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, D. Vititoe, R. J. Genik, S. A. Jerger, A. Leflat, W. G. Cobau, M. I. Martin, J. S. Kang, J. McDonald, S. Banerjee, V. Balamurali, B. G. Pope, Elizaveta Shabalina, J. T. White, S. Peryshkin, G. Wang, Alberto Santoro, Seong Keun Kim, J. M. Hauptman, Cecilia Elena Gerber, Jianming Qian, Tong Hu, T. Joffe-Minor, H. E. Fisk, and J. Solomon
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Tevatron, Elementary particle, Nuclear physics, Particle decay, Mass spectrum, Transverse mass, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Lepton, Boson
Abstract: A measurement of the mass of the W boson is presented which is based on a sample of 5982 W → eνv decays observed in pp collisions at √s=1.8 TeV with the D∅ detector during the 1992-1993 run. From a fit to the transverse mass spectrum, combined with measurements of the Z boson mass, the W boson mass is measured to be MW=80.350±0.140(stat)±0.165(syst)±0.160(scale) GeV/c 2 . Detailed discussions of the determination of the absolute energy scale, the measured efficiencies, and all systematic uncertainties are presented.
Published: 1998

36. Search For Heavy Pointlike Dirac Monopoles

Author: M. Sosebee, S. Mani, D. Lincoln, Andrew White, F. Borcherding, J. M. Hauptman, Cecilia Elena Gerber, D. Casey, J. Kotcher, J. Bantly, Joan A. Guida, H. Greenlee, O. I. Dahl, J. McKinley, Wagner Carvalho, R. Jesik, R. L. McCarthy, D. Vititoe, R. J. Genik, N. Graf, G. Di Loreto, Elizabeth Gallas, G. Steinbrück, Jianming Qian, J. Kourlas, L. T. Goss, S. P. Denisov, P. Grudberg, L. Magaña-Mendoza, J. V. D. Wirjawan, M. M. Baarmand, Sarah Catherine Eno, D. Denisov, C. Boswell, Stephen Wimpenny, John Hobbs, Tong Hu, Andrew Brandt, R. Engelmann, M. Merkin, C. S. Mishra, K. Streets, Vipin Bhatnagar, M. R. Krishnaswamy, C. Murphy, Suman Bala Beri, B. Baldin, R. Partridge, R. Astur, Y. M. Park, M. Strauss, V. Gavrilov, Srinivasan Rajagopalan, Thomas Ferbel, Young-Sang Yu, E. A. Kozlovsky, H.E. Miettinen, E. Smith, A. Jonckheere, Peter Nemethy, Y. Ducros, M. Chung, F. Hsieh, D. Edmunds, Andre Sznajder, T. Heuring, F. Nang, D. Buchholz, G. Eppley, A. R. Clark, D. A. Stoyanova, P. Bloom, Edilamar Menezes de Oliveira, Raymond Brock, J. S. Kang, D. R. Green, Darien Wood, Sergey Chekulaev, H. da Motta, K. Del Signore, Sun Kee Kim, Boaz Klima, S. Fuess, M. D. Peters, L. Oesch, Nicholas John Hadley, D. L. Adams, T. Fahland, P. Tamburello, S. A. Jerger, M. Tartaglia, M. D. Jones, P. Hanlet, S. Blessing, S. Feher, Pm Tuts, Hiroaki Aihara, Gervasio Gomez, Heng Xu, Scott Snyder, J. M. Guida, M. I. Martin, D. Koltick, Ting Hu, I. Adam, P. Rubinov, R. Markeloff, Anna Goussiou, Y. Pischalnikov, E. W. Anderson, E. G. Zverev, S. Willis, K. W. Merritt, B. Hoeneisen, E. Flattum, R. Yamada, S. Kuleshov, K. A. Johns, L. Babukhadia, R. W. Stephens, Robert Hirosky, M. Bhattacharjee, G. Finocchiaro, Bobby Samir Acharya, H. A. Neal, D. Hedin, Victor Daniel Elvira, C. Klopfenstein, G. Wang, Alberto Santoro, J. A. Wightman, J. F. Bartlett, K. S. Hahn, H. C. Shankar, J. T. Linnemann, D. Cutts, T. G. Trippe, K. Genser, A. Leflat, J. H. Christenson, V. Manankov, N. I. Bojko, Greg Landsberg, D. Norman, W. Y. Chen, Gilvan Alves, C. Shaffer, D. Cullen-Vidal, A. Goldschmidt, N. N. Biswas, T. Joffe-Minor, H. L. Melanson, H. E. Fisk, A. N. Galyaev, S. Grinstein, Yanwen Liu, Kaushik De, H. E. Montgomery, B. May, Gregory R Snow, V. A. Bezzubov, J. P. Negret, H. Jöstlein, R. P. Smith, V. Stolin, Sharon Hagopian, A. K.A. Maciel, Emanuela Barberis, J. Z.Y. Jiang, N. Mokhov, M. Roco, E. Oltman, J. Jaques, Allen Mincer, S. Y. Jun, Z. Zhou, J. Solomon, T. L. Geld, M. Paterno, R. Piegaia, G. Guglielmo, V. S. Narasimham, S. Reucroft, W. G. Cobau, Ron Lipton, W. E. Cooper, L. P. Chen, Michael Shupe, J. S. Hoftun, K. Davis, J. N. Butler, Daniel R Claes, H. Haggerty, R. K. Shivpuri, P. Yamin, P. D. Grannis, H. Piekarz, S. Chopra, B. Gobbi, Heriberto Castilla-Valdez, J. Womersley, K. M. Mauritz, P.F. Ermolov, V. S. Burtovoi, B. Gómez, T. L.T. Thomas, M. Narain, A. A. Mayorov, A. Bross, A. Zieminski, A. Para, U. Heintz, M. K. Fatyga, S. Krzywdzinski, R. Hernández-Montoya, S. Glenn, A. Baden, G. C. Blazey, P. Padley, D. Stewart, S. N. Gurzhiev, J. McDonald, Anurag Gupta, N. Sotnikova, Alexey Volkov, B. Pawlik, D. Karmanov, S. H. Ahn, J. Krane, S. Banerjee, Jasvinder A. Singh, T. Marshall, B. Gibbard, R. J. Madaras, A. V. Kotwal, R. Snihur, R. Madden, S. Youssef, S. Choi, Hsiang-nan Li, Brad Abbott, Brajesh C Choudhary, F. Landry, John Rutherfoord, James H Cochran, Harrison Prosper, M. L. Kelly, V. Balamurali, T. Yasuda, S. Lökös, Howard Gordon, K. C. Frame, O. Ramirez, M. Diesburg, J. Sculli, Mitchell Wayne, H. Schellman, J. M. Kohli, L. Rasmussen, Peter W. Draper, A. Sanchez-Hernandez, G. E. Forden, A. P. Heinson, P. Gartung, D. Owen, Mary Beth Adams, D. Zieminska, T. McKibben, J. Yu, Gordon Watts, S. M. Chang, J. Yang, Robert Kehoe, J. Balderston, V. Sirotenko, J. Tarazi, M. H.G. Souza, P. Z. Quintas, S. Grünendahl, Alexander Vorobiev, P. Yepes, C. Yoshikawa, H. S. Mao, Nikos Varelas, J. Snow, P. Mooney, F. Lobkowicz, G. Kalbfleisch, Q. Z. Li-Demarteau, R. Raja, Stephan Linn, Eunil Won, S. Hansen, F. Stichelbaut, O. V. Eroshin, T. Rockwell, Iain Alexander Bertram, L. Sawyer, N. Oshima, M. Fortner, Michael Rijssenbeek, J. Thompson, R. D. Schamberger, Alexander Belyaev, J. Perkins, H. D. Wahl, B. G. Pope, M. L. Stevenson, Pushpalatha C Bhat, V. N. Evdokimov, J. Warchol, Z. H. Zhu, K. Gounder, Elizaveta Shabalina, P. Gutierrez, B. Lauer, M. A.C. Cummings, A. L. Lyon, S. C. Loken, J. T. White, G. Gutierrez, Shashikant Dugad, Shuichi Kunori, R. E. Hall, S.A. Kahn, Y. Gershtein, M. Demarteau, J. L. González Solís, Vasken Hagopian, N. Amos, H. Weerts, Z. Casilum, W. Smart, Lev Dudko, A. Narayanan, A. V. Kostritskiy, A. S. Ito, N. Parua, Dhiman Chakraborty, L. Coney, C. L. Kim, J. G. R. Lima, A. Zylberstejn, Randy Ruchti, V. Oguri, C. Cretsinger, Serban Protopopescu, M. Strovink, E. James, T. Huehn, D. Fein, Erich Varnes, Daniel John Karmgard, Jing Li, D. P. Stoker, T. McMahon, A. L. Spadafora, Y. Fisyak, Marvin Johnson, P. I. Goncharov, A. V. Kozelov, M. Abolins, N. K. Mondal, H. T. Diehl, H. Singh, A. Boehnlein, J. Ellison, C. K. Jung, and L. Lueking
Subjects: Physics, Particle physics, Photon, Dirac (video compression format), Magnetic monopole, Tevatron, General Physics and Astronomy, FOS: Physical sciences, High Energy Physics - Experiment, Nuclear physics, symbols.namesake, High Energy Physics - Experiment (hep-ex), Pair production, Dirac equation, symbols, Production (computer science), High Energy Physics::Experiment, Nuclear Experiment, Spin-½
Abstract: We have searched for central production of a pair of photons with high transverse energies in $p\bar p$ collisions at $\sqrt{s} = 1.8$ TeV using $70 pb^{-1}$ of data collected with the D\O detector at the Fermilab Tevatron in 1994--1996. If they exist, virtual heavy pointlike Dirac monopoles could rescatter pairs of nearly real photons into this final state via a box diagram. We observe no excess of events above background, and set lower 95% C.L. limits of $610, 870, or 1580 GeV/c^2$ on the mass of a spin 0, 1/2, or 1 Dirac monopole., Comment: 12 pages, 4 figures
Published: 1998
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37. Studies of gauge boson pair production and trilinear couplings

Author: J. P. Negret, R. P. Smith, R. K. Shivpuri, Michael Shupe, F. Borcherding, J. Drinkard, M. Tartaglia, A. V. Kotwal, Harrison Prosper, Kaushik De, M. M. Baarmand, Sarah Catherine Eno, M. Bhattacharjee, R. Hirosky, Vyacheslav Klyukhin, B. Gibbard, F. Nang, G. Finocchiaro, K. Del Signore, F. Lobkowicz, K. M. Mauritz, S. Lami, D. Casey, S. Reucroft, P.F. Ermolov, C. L. Kim, Hiroaki Aihara, T. Rockwell, Iain Alexander Bertram, T. G. Trippe, A. Bross, C. Yoshikawa, Andrew White, Michael Rijssenbeek, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, V. S. Burtovoi, G. P. Grim, R. W. Stephens, M. Diesburg, D. Owen, Sharon Hagopian, P. Gartung, J. Tarazi, Rajendran Raja, M.K. Fatyga, A. K.A. Maciel, K. Streets, Vipin Bhatnagar, S. Fuess, T. McMahon, Y. E. Gutnikov, B. May, A. N. Galyaev, V. N. Evdokimov, J. Warchol, E. Oltman, Brad Abbott, T. McKibben, Alexander Belyaev, Gervasio Gomez, D.S. Koltick, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, N. N. Biswas, S. Chopra, Heriberto Castilla-Valdez, M. Chung, Stephen Wimpenny, R. J. Madaras, K. S. Hahn, D. Cutts, R. Partridge, E. Flattum, P. Bloom, J. A. Wightman, C. Klopfenstein, Gordon Watts, V. Sirotenko, J. Kourlas, Q. Liu, N. I. Bojko, M. Nicola, A. L. Lyon, Shuichi Kunori, W. E. Cooper, R. Piegaia, L. P. Chen, Daniel R Claes, T. Joffe-Minor, T. L. Thomas, A. V. Kostritskiy, T. Marshall, R. Snihur, J. Featherly, Greg Landsberg, B. Gobbi, T. L. Geld, Elizabeth Gallas, Marvin Johnson, Natalie A. Roe, M. Sosebee, O. V. Eroshin, Darien Wood, Phillip Gutierrez, John Hobbs, H. S. Mao, D. L. Adams, N. Varelas, C. Yanagisawa, Sissel Hansen, Nicholas John Hadley, W. Y. Chen, George R. Kalbfleisch, M. Paterno, V. S. Narasimham, S. Blessing, A. Baden, Young-Sang Yu, H. E. Fisk, S. M. Chang, A. V. Kozelov, Scott Snyder, L. Magaña-Mendoza, Anurag Gupta, Jasvinder A. Singh, A. A. Mayorov, G. C. Blazey, R. Yamada, R. Markeloff, S. H. Ahn, L. Markosky, C. S. Mishra, R. Hernández-Montoya, G. Guglielmo, J. M. Guida, N. Sotnikova, T. Fahland, D. Hedin, Joan A. Guida, R. L. McCarthy, P. Padley, Alexey Volkov, M. Merkin, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, S. Feher, Ting Hu, F. Landry, John Rutherfoord, D. Edmunds, J. Krane, H. Lan, M. K. Fatyga, J. Snow, A. Zieminski, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, J. Thompson, Andre Sznajder, T. Yasuda, M. H.G. Souza, P. Yepes, H. E. Montgomery, Raymond Brock, Boaz Klima, Vasken Hagopian, H. Weerts, Lev Dudko, J. Bantly, J. Sculli, B. Gómez, Z. H. Zhu, Shashikant Dugad, G. Di Loreto, Mary Beth Adams, James C. Green, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, M. Goforth, D. Norman, Jinhong Yu, M. D. Peters, D. Pušeljić, W. Smart, K. A. Johns, Peter Nemethy, N. Parua, S. Youssef, S. Choi, J. Solomon, L. Oesch, Alexander Vorobiev, Sun Kee Kim, Dhiman Chakraborty, D. Denisov, R. Jesik, G. E. Forden, A. P. Heinson, J. Kotcher, S. Willis, M. Pang, A. Klatchko, R. E. Hall, Matthew Jones, C. Murphy, E. W. Anderson, Srinivasan Rajagopalan, D. Buchholz, V. Oguri, Thomas Ferbel, Dan Green, A. Sanchez-Hernandez, O. I. Dahl, Robert Kehoe, Michael A. Strauss, N. Graf, G. Eppley, Allen Mincer, J. Jaques, B. G. Pope, Sebastian Grinstein, D. P. Stoker, P. Tamburello, Heng Xu, Q. Z. Li-Demarteau, C. Boswell, Randy Ruchti, H. da Motta, J. G.R. Lima, Ron Lipton, R. Astur, J. Li, T. Heuring, Andrew Brandt, J. L. González Solís, R. Engelmann, M. L. Stevenson, Anna Goussiou, J. Balderston, A. S. Ito, J. Womersley, S. Abachi, Pm Tuts, H. L. Melanson, P. Z. Quintas, Suman Bala Beri, Nikolai Mokhov, Gregory R Snow, E. Shabalina, D. Stewart, S. N. Gurzhiev, J. T. White, H. D. Wahl, H.E. Miettinen, R. L. Lander, D. Lincoln, S. A. Jerger, Eunil Won, S. Krzywdzinski, A. Leflat, Y. Fisyak, J. H. Christenson, W. G. Cobau, M. I. Martin, Brajesh C Choudhary, C. Cretsinger, M. Strovink, E. James, J. McDonald, S. Glenn, B. Baldin, V. I. Kochetkov, J. McKinley, D. A. Stoianova, Wagner Carvalho, S. Banerjee, H. Johari, V. Balamurali, Gilvan Alves, P. Yamin, Y. Ducros, Quing Zhu, E. G. Zverev, D. Nešić, A. Zylberstejn, H. Greenlee, E. Amidi, J. V.D. Wirjawan, Victor Daniel Elvira, G. Wang, Alberto Santoro, Haifeng Li, J. M. Hauptman, Cecilia Elena Gerber, S. Mani, Serban Protopopescu, Jianming Qian, Meenakshi Narain, R. Madden, Tong Hu, T. Huehn, L. Rasmussen, D. Fein, Peter W. Draper, A. Narayanan, P. A. Rapidis, Erich Varnes, A. Jonckheere, Stephan Linn, J. M. De Miranda, N. Oshima, Daria Zieminska, R. D. Schamberger, A. Smith, Soon Yung Jun, Pushpalatha C Bhat, N. Grossman, B. Lauer, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Y. M. Park, S.A. Kahn, M. Demarteau, D. Vititoe, R. J. Genik, J. S. Kang, S. C. Loken, N. Amos, J. Borders, J. Z.Y. Jiang, L. T. Goss, E. A. Kozlovski, H. Haggerty, S. Lökös, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, A. L. Spadafora, P. I. Goncharov, M. Abolins, P. Mooney, N. K. Mondal, H. T. Diehl, H. Singh, A. Boehnlein, P. M. Sood, J. Ellison, C. K. Jung, I. Adam, P. Rubinov, K. W. Merritt, J. F. Bartlett, Yanwen Liu, L. Lueking, K. Bazizi, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, S. P. Denisov, P. Grudberg, M. R. Krishnaswamy, F. Hsieh, A. R. Clark, S. Grünendahl, A. Para, Sergey Chekulaev, and V. A. Bezzubov
Subjects: Physics, Nuclear and High Energy Physics, Gauge boson, Particle physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, FOS: Physical sciences, Order (ring theory), Elementary particle, Standard Model, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pair production, Production (computer science), High Energy Physics::Experiment, Energy (signal processing), Boson
Abstract: The gauge boson pair production processes Wg, WW, WZ, and Zg were studied using pbarp collisions corresponding to an integrated luminosity of ~14 pb-1 at a center-of-mass energy of sqrt(s) = 1.8 TeV. Analysis of Wg prod with subsequent W boson decay to lv (l=e,mu) is reported, including a fit to the pT spectrum of the photons which leads to limits on anomalous WWg couplings. A search for WW prod with subsequent decay to l-lbar-v-vbar (l=e,mu) is presented leading to an upper limit on the WW prod cross section and limits on anomalous WWg and WWZ couplings. A search for high pT W bosons in WW and WZ prod is described, where one W boson decays to an ev and the second W boson or the Z boson decays to two jets. A maximum likelihood fit to the pT spectrum of W bosons resulted in limits on anomalous WWg and WWZ couplings. A combined fit to the three data sets which provided the tightest limits on anomalous WWg and WWZ couplings is also described. Limits on anomalous ZZg and Zgg couplings are presented from an analysis of the photon ET spectrum in Zg events in the decay channels (ee, mu-mu, and v-vbar) of the Z boson., 77 Pages including 40 Figures. Submitted to PRD
Published: 1997

38. Search for a Fourth Generation Charge -1/3 Quark via Flavor Changing Neutral Current Decay

Author: G. Finocchiaro, Marc M Baarmand, H. D. Wahl, T. Yasuda, P. Gartung, M.K. Fatyga, T. Huehn, B. S. Acharya, J. Jaques, C. L. Kim, P. Yepes, R. Hernández-Montoya, H. Lan, Ron Lipton, Robert Hirosky, R. K. Shivpuri, K. S. Hahn, D. Cutts, D. R. Claes, S. Protopopescu, S. P. Denisov, J. Womersley, B. May, C. T. Murphy, S. Youssef, S. Choi, M. Nicola, L. Magaña-Mendoza, J. Drinkard, N. Amos, K. Genser, Rajendran Raja, Greg Landsberg, M. Tartaglia, T. L. Geld, Elizabeth Gallas, Matthew Jones, D. Fein, D. Chakraborty, H. Jostlein, A. V. Kostritskiy, Robert J. McCarthy, A. Sanchez-Hernandez, Gervasio Gomez, Yu. Pischalnikov, D. Casey, Brad Abbott, P. Singh, W. Y. Chen, R. W. Stephens, M. R. Krishnaswamy, Kaushik De, D.R. Green, J. Balderston, J. Kotcher, D. Pušeljić, S. M. Chang, Don Lincoln, Erich Varnes, D. P. Stoker, Sissel Hansen, A. Jonckheere, George R. Kalbfleisch, E. G. Zverev, P. C. Bhat, D. Buchholz, F. Lobkowicz, Eunil Won, B. Gobbi, A. Gupta, S. Feher, F. Hsieh, P. Bloom, A. R. Clark, Ting Hu, E. Flattum, J. M. De Miranda, F. Borcherding, Brajesh C Choudhary, M. Strauss, M. Merkin, N. I. Bojko, V. S. Narasimham, Stephan Linn, Q. Z. Li-Demarteau, N. Graf, Peter Nemethy, A. Zieminski, A. Para, A. Klatchko, C. Shaffer, D. Cullen-Vidal, G. Eppley, A. Goldschmidt, M. A. Shupe, Sergey Chekulaev, T. Rockwell, Iain Alexander Bertram, R. Jesik, C. Cretsinger, E. Oltman, Raymond Brock, M. Chung, N. Parua, Boaz Klima, N. N. Biswas, Randy Ruchti, A. A. Mayorov, H. L. Melanson, P. Z. Quintas, J. S. Hoftun, J. N. Butler, P. D. Grannis, P. A. Rapidis, H. da Motta, J. G.R. Lima, M. Strovink, E. James, K. Bazizi, A. L. Spadafora, H. Piekarz, Sarah Catherine Eno, M. K. Fatyga, J. H. Christenson, P. Tamburello, Michael Rijssenbeek, I. Adam, S. Y. Jun, T. L.T. Thomas, A. S. Ito, C. Klopfenstein, P. I. Goncharov, N. Oshima, S. Chopra, D. Nesic, B. Baldin, David H. Adams, J. M. Hauptman, Gilvan Alves, D. Norman, Vyacheslav Klyukhin, M. Bhattacharjee, P. Padley, G.E. Forden, Alexey Volkov, J. Snow, Heng Xu, F. Nang, J. M. Guida, Y. Ducros, Daria Zieminska, J. B. Singh, K. W. Merritt, A. Baden, S. A. Jerger, James H Cochran, Gordon Watts, H. A. Neal, B. Gibbard, Mitchell Wayne, H. Schellman, J. M. Kohli, S. Willis, V. Sirotenko, K. Streets, Vipin Bhatnagar, G. C. Blazey, H. C. Shankar, O. V. Eroshin, M. Pang, J. F. Bartlett, M. Goforth, Anna Goussiou, Stefan Grünendahl, J. Thompson, L. Lueking, R. Yamada, Phillip Gutierrez, D. Stewart, E. Amidi, Robert Kehoe, J. Sculli, Sebastien Jonathan Kahn, S. N. Gurzhiev, S. H. Ahn, A. V. Kotwal, Victor Daniel Elvira, B. Gómez, Z. H. Zhu, A. D. Bross, Yanwen Liu, J. V.D. Wirjawan, Nikos Varelas, Orin I. Dahl, F. Landry, John Rutherfoord, V. N. Evdokimov, Robert Snihur, Jing Li, J. A. Wightman, Y. Fisyak, M. Demarteau, C. S. Mishra, Stephen Wimpenny, S. Reucroft, R. Lander, H. S. Mao, J. Featherly, A. M. Smith, M. Abolins, A. N. Galyaev, K. Del Signore, D.S. Koltick, J. T. Linnemann, M. L. Kelly, Andrew White, Heriberto Castilla-Valdez, Marvin Johnson, Alexander Belyaev, G. Guglielmo, Sun Kee Kim, A. L. Lyon, T. Marshall, P. Mooney, C. Yoshikawa, J. T. White, Vasken Hagopian, Gregory R Snow, A. V. Kozelov, James C. Green, Darien Wood, Hiroaki Aihara, E. W. Anderson, P. Grudberg, T. Fahland, Y. E. Gutnikov, H. Weerts, W. M. Smart, S. R. Dugad, N. K. Mondal, H. T. Diehl, Nicholas John Hadley, H. Singh, J. Krane, J. Kourlas, S. Krzywdzinski, Lev Dudko, V. I. Kochetkov, S. Blessing, Quing Zhu, Howard Gordon, P. M. Tuts, A. Boehnlein, Scott Snyder, B. Lauer, M. A.C. Cummings, G. P. Grim, P. M. Sood, Q. Liu, T. G. Trippe, B. Hoeneisen, V. Oguri, R. Markeloff, Lee Sawyer, T.R. McMahon, John Hobbs, Ulrich Heintz, M. Paterno, M. L. Stevenson, J. Ellison, S. Fuess, A. Zylberstejn, Allen Mincer, M. R. Adams, Young-Sang Yu, M. H.G. Souza, W. E. Cooper, M. Diesburg, L. Markosky, Joan A. Guida, R. Partridge, J. Warchol, H. Greenlee, N. A. Roe, D. Owen, H. E. Montgomery, Sharon Hagopian, A. K.A. Maciel, N. Sotnikova, J. Tarazi, G. Di Loreto, Shuichi Kunori, K. A. Johns, D. Denisov, D. Hedin, Y. M. Park, Srinivasan Rajagopalan, Thomas Ferbel, Jong-Sung Yu, S. Lami, N.V. Mokhov, V. A. Bezzubov, J. P. Negret, P.F. Ermolov, A. P. Heinson, P. Yamin, V. S. Burtovoi, R. P. Smith, R. E. Hall, J. L. González Solís, S. Mani, R. Madden, L. Rasmussen, Peter W. Draper, R. Astur, R. J. Madaras, M. Sosebee, Harrison Prosper, Hui Li, J. Bantly, Andrew Brandt, R. Engelmann, Liu Chen, H.E. Miettinen, T. Heuring, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, D. Vititoe, R. J. Genik, Meenakshi Narain, D. Edmunds, A. Narayanan, Andre Sznajder, M. D. Peters, L. Oesch, C. Boswell, S. Abachi, Suman Bala Beri, K. C. Frame, O. Ramirez, B. G. Pope, R. D. Schamberger, S. C. Loken, E. Shabalina, N. Grossman, J. Borders, J. Z.Y. Jiang, A. Leflat, L. T. Goss, W. G. Cobau, M. I. Martin, J. S. Kang, E. A. Kozlovski, Sándor Lökös, J. Yang, J. McDonald, V. M. Podstavkov, M. Fortner, J. Perkins, S. Banerjee, V. Balamurali, C. K. Jung, T. McKibben, G. Wang, Alberto Santoro, Alexander Vorobiev, H. Haggerty, P. Rubinov, T. Joffe-Minor, C. Yanagisawa, H. E. Fisk, J. Solomon, Cecilia Elena Gerber, Jianming Qian, and Tong Hu
Subjects: Quark, Physics, Particle physics, Branching fraction, Flavor-changing neutral current, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, FOS: Physical sciences, Charge (physics), Prime (order theory), High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pair production, Production (computer science), High Energy Physics::Experiment
Abstract: We report on a search for pair production of a fourth generation charge -1/3 quark (b') in pbar p collisions at sqrt(s) = 1.8 TeV at the Fermilab Tevatron using an integrated luminosity of 93 pb^-1. Both quarks are assumed to decay via flavor changing neutral currents (FCNC). The search uses the signatures gamma + 3 jets + mu-tag and 2 gamma + 2 jets. We see no significant excess of events over the expected background. We place an upper limit on the production cross section times branching fraction that is well below theoretical expectations for a b' quark decaying exclusively via FCNC for b' quark masses up to m(Z) + m(b)., Eleven pages, two postscript figures, submitted to Physical Review Letters
Published: 1996

39. The Azimuthal Decorrelation of Jets Widely Separated in Rapidity

Author: S. Abachi, B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, J. Alitti, G. Álvarez, G. A. Alves, E. Amidi, N. Amos, E. W. Anderson, S. H. Aronson, R. Astur, R. E. Avery, M. M. Baarmand, A. Baden, V. Balamurali, J. Balderston, B. Baldin, S. Banerjee, J. Bantly, J. F. Bartlett, K. Bazizi, J. Bendich, S. B. Beri, I. Bertram, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, A. Bischoff, N. Biswas, G. Blazey, S. Blessing, P. Bloom, A. Boehnlein, N. I. Bojko, F. Borcherding, J. Borders, C. Boswell, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. S. Burtovoi, J. M. Butler, W. Carvalho, D. Casey, H. Castilla-Valdez, D. Chakraborty, S.-M. Chang, S. V. Chekulaev, L.-P. Chen, W. Chen, S. Choi, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. A. C. Cummings, D. Cutts, O. I. Dahl, K. De, M. Demarteau, N. Denisenko, D. Denisov, S. P. Denisov, H. T. Diehl, M. Diesburg, G. Di Loreto, R. Dixon, P. Draper, J. Drinkard, Y. Ducros, S. R. Dugad, D. Edmunds, J. Ellison, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, V. N. Evdokimov, S. Fahey, T. Fahland, M. Fatyga, M. K. Fatyga, J. Featherly, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, Y. Fisyak, E. Flattum, G. E. Forden, M. Fortner, K. C. Frame, P. Franzini, S. Fuess, E. Gallas, A. N. Galyaev, T. L. Geld, R. J. Genik II, K. Genser, C. E. Gerber, B. Gibbard, V. Glebov, S. Glenn, J. F. Glicenstein, B. Gobbi, M. Goforth, A. Goldschmidt, B. Gómez, G. Gomez, P. I. Goncharov, J. L. González Solís, H. Gordon, L. T. Goss, N. Graf, P. D. Grannis, D. R. Green, J. Green, H. Greenlee, G. Griffin, N. Grossman, P. Grudberg, S. Grünendahl, W. X. Gu, G. Guglielmo, J. A. Guida, J. M. Guida, W. Guryn, S. N. Gurzhiev, P. Gutierrez, Y. E. Gutnikov, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, K. S. Hahn, R. E. Hall, S. Hansen, R. Hatcher, J. M. Hauptman, D. Hedin, A. P. Heinson, U. Heintz, R. Hernández-Montoya, T. Heuring, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. S. Hoftun, F. Hsieh, Tao Hu, Ting Hu, Tong Hu, T. Huehn, S. Igarashi, A. S. Ito, E. James, J. Jaques, S. A. Jerger, J. Z.-Y. Jiang, T. Joffe-Minor, H. Johari, K. Johns, M. Johnson, H. Johnstad, A. Jonckheere, M. Jones, H. Jöstlein, S. Y. Jun, C. K. Jung, S. Kahn, G. Kalbfleisch, J. S. Kang, R. Kehoe, M. L. Kelly, L. Kerth, C. L. Kim, S. K. Kim, A. Klatchko, B. Klima, B. I. Klochkov, C. Klopfenstein, V. I. Klyukhin, V. I. Kochetkov, J. M. Kohli, D. Koltick, A. V. Kostritskiy, J. Kotcher, J. Kourlas, A. V. Kozelov, E. A. Kozlovski, M. R. Krishnaswamy, S. Krzywdzinski, S. Kunori, S. Lami, G. Landsberg, J-F. Lebrat, A. Leflat, H. Li, J. Li, Y. K. Li, Q. Z. Li-Demarteau, J. G. R. Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, S. C. Loken, S. Lökös, L. Lueking, A. L. Lyon, A. K. A. Maciel, R. J. Madaras, R. Madden, S. Mani, H. S. Mao, S. Margulies, R. Markeloff, L. Markosky, T. Marshall, M. I. Martin, B. May, A. A. Mayorov, R. McCarthy, T. McKibben, J. McKinley, T. McMahon, H. L. Melanson, J. R. T. de Mello Neto, K. W. Merritt, H. Miettinen, A. Mincer, J. M. de Miranda, C. S. Mishra, N. Mokhov, N. K. Mondal, H. E. Montgomery, P. Mooney, H. da Motta, M. Mudan, C. Murphy, F. Nang, M. Narain, V. S. Narasimham, A. Narayanan, H. A. Neal, J. P. Negret, E. Neis, P. Nemethy, D. Nešić, M. Nicola, D. Norman, L. Oesch, V. Oguri, E. Oltman, N. Oshima, D. Owen, P. Padley, M. Pang, A. Para, C. H. Park, Y. M. Park, R. Partridge, N. Parua, M. Paterno, J. Perkins, A. Peryshkin, M. Peters, H. Piekarz, Y. Pischalnikov, V. M. Podstavkov, B. G. Pope, H. B. Prosper, S. Protopopescu, D. Pušeljić, J. Qian, P. Z. Quintas, R. Raja, S. Rajagopalan, O. Ramirez, M. V. S. Rao, P. A. Rapidis, L. Rasmussen, A. L. Read, S. Reucroft, M. Rijssenbeek, T. Rockwell, N. A. Roe, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, J. Sculli, E. Shabalina, C. Shaffer, H. C. Shankar, R. K. Shivpuri, M. Shupe, J. B. Singh, V. Sirotenko, W. Smart, A. Smith, R. P. Smith, R. Snihur, G. R. Snow, J. Snow, S. Snyder, J. Solomon, P. M. Sood, M. Sosebee, M. Souza, A. L. Spadafora, R. W. Stephens, M. L. Stevenson, D. Stewart, D. A. Stoianova, D. Stoker, K. Streets, M. Strovink, A. Sznajder, P. Tamburello, J. Tarazi, M. Tartaglia, T. L. Taylor, J. Thompson, T. G. Trippe, P. M. Tuts, N. Varelas, E. W. Varnes, P. R. G. Virador, D. Vititoe, A. A. Volkov, A. P. Vorobiev, H. D. Wahl, G. Wang, J. Warchol, G. Watts, M. Wayne, H. Weerts, F. Wen, A. White, J. T. White, J. A. Wightman, J. Wilcox, S. Willis, S. J. Wimpenny, J. V. D. Wirjawan, J. Womersley, E. Won, D. R. Wood, H. Xu, R. Yamada, P. Yamin, C. Yanagisawa, J. Yang, T. Yasuda, P. Yepes, C. Yoshikawa, S. Youssef, J. Yu, Y. Yu, Q. Zhu, Z. H. Zhu, D. Zieminska, A. Zieminski, E. G. Zverev, and A. Zylberstejn
Subjects: Physics, Particle physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, FOS: Physical sciences, Parton, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pseudorapidity, Rapidity, High Energy Physics::Experiment, Fermilab, Resummation, Parton shower, Nuclear Experiment, Decorrelation
Abstract: This study reports the first measurement of the azimuthal decorrelation between jets with pseudorapidity separation up to five units. The data were accumulated using the D{\O}detector during the 1992--1993 collider run of the Fermilab Tevatron at $\sqrt{s}=$ 1.8 TeV. These results are compared to next--to--leading order (NLO) QCD predictions and to two leading--log approximations (LLA) where the leading--log terms are resummed to all orders in $\alpha_{\scriptscriptstyle S}$. The final state jets as predicted by NLO QCD show less azimuthal decorrelation than the data. The parton showering LLA Monte Carlo {\small HERWIG} describes the data well; an analytical LLA prediction based on BFKL resummation shows more decorrelation than the data., Comment: 6 pages with 4 figures, all uuencoded and gzipped
Published: 1996
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40. TOP-QUARK SEARCH WITH THE D0 1992-1993 DATA SAMPLE

Author: R. Astur, T. Heuring, B. G. Pope, H. L. Melanson, P. Z. Quintas, T. Huehn, D. Buchholz, D. Fein, Erich Varnes, P. Tamburello, J. H. Christenson, J. M. De Miranda, Heng Xu, J. Alitti, J. Bantly, C. Cretsinger, M. Strovink, M. Mohammadi-Baarmand, D. Nešić, Haifeng Li, E. Shabalina, J. T. White, Meenakshi Narain, A. Peryshkin, E. James, J. Bendich, A. Narayanan, Allan G Clark, Gregory R Snow, Andrew Brandt, R. Engelmann, Liu Chen, N. Grossman, H.E. Miettinen, B. May, R. Snihur, P. Grudberg, T. McKibben, M. V. S. Rao, R. J. Madaras, Gilvan Alves, S. Youssef, Y. E. Gutnikov, Alexander Vorobiev, R. E. Lanou, Alberto Santoro, J. Kourlas, M.K. Fatyga, Robert Kehoe, M. Bhattacharjee, G. Álvarez, G. Eppley, B. Gobbi, R. Hirosky, N. Varelas, J. Li, M. H.G. Souza, J. Balderston, J. Kotcher, J. G.R. Lima, John Hobbs, Y. H. Zhou, H. E. Montgomery, S. A. Jerger, A. Leflat, D. Lincoln, Eunil Won, P. Bloom, Young-Sang Yu, N. Graf, Jasvinder A. Singh, D. Hedin, J. A. Wightman, A. S. Ito, W. G. Cobau, M. I. Martin, G. E. Forden, A. P. Heinson, J. S. Kang, T. L. Taylor, K. Streets, S. Fahey, Vipin Bhatnagar, N. I. Bojko, S. M. Chang, R. Partridge, E. Flattum, H. Johnstad, T. Yasuda, Ph. Mangeot, I. Bertram, J. Jaques, Bruno Mansoulie, P. A. Rapidis, G. Griffin, E. Gallas, J. Featherly, D. P. Stoker, J. A. Guida, D. Casey, R. E. Hall, V. Glebov, Marvin Johnson, A. L. Read, Heriberto Castilla-Valdez, T. Joffe-Minor, C. Yanagisawa, S. Gao, K. Denisenko, M. L. Stevenson, C. H. Park, F. Lobkowicz, S. Fuess, A. V. Kozelov, A. Kernan, H. S. Mao, D. L. Adams, J. S. Hoftun, J. N. Butler, P. D. Grannis, L. Z. Wang, A. L. Lyon, H. Piekarz, A. Jonckheere, H. Johari, V. Balamurali, T. Rockwell, D. Pušeljić, S. Margulies, S. Lami, Ron Lipton, Raymond Brock, Boaz Klima, H. E. Fisk, R. L. Dixon, Shuichi Kunori, Stephan Linn, Michael Rijssenbeek, J. Solomon, A. Pluquet, P.F. Ermolov, Yanxi Zhang, D. Edmunds, S. Krzywdzinski, B. Baldin, W. Y. Chen, Y. Ducros, E. Neis, V. S. Burtovoi, C. T. Murphy, V. I. Kochetkov, N. Oshima, Daria Zieminska, Rajendran Raja, D. Norman, V. N. Evdokimov, J. Warchol, J. Womersley, S. Willis, D.S. Koltick, A. Zylberstejn, R. L. McCarthy, S. Rusin, C. Klopfenstein, R. D. Schamberger, H. Greenlee, A. N. Galjaev, J. T. Linnemann, J. M. Guida, A. Smith, J. F. Lebrat, P. Draper, M. Pang, Paolo Franzini, B. I. Klochkov, G. Finocchiaro, M. D. Peters, S. C. Loken, Brad Abbott, B. Gibbard, V. A. Bezzubov, J. P. Negret, R. P. Smith, I. V. Mandrichenko, Dhiman Chakraborty, M. J. Glaubman, A. Bross, J. M. Hauptman, V. S. Narasimham, Thomas G Trippe, W. X. Gu, Nikolai Mokhov, L. Markosky, L. Oesch, S. Durston-Johnson, Michael Shupe, V. D. Elvira, P. I. Goncharov, Welathantri Gd Dharmaratna, Peter Nemethy, A. White, N. Denisenko, Serban Protopopescu, S. Reucroft, W. Guryn, V. Sirotenko, W. E. Cooper, Daniel R Claes, R. Hernández-Montoya, A. Milder, C. Yoshikawa, A. A. Mayorov, Jianming Qian, O. V. Eroshin, J. Sculli, M. L. Kelly, P. Yamin, S. Feher, C. Boswell, Howard Gordon, K. C. Frame, O. Ramirez, Tong Hu, M. K. Fatyga, S. Abachi, J. Wang, Harrison Prosper, C. Murphy, G. Di Loreto, Ting Hu, Sharon Hagopian, C. Shaffer, D. Cullen-Vidal, K. Genser, Suman Bala Beri, N. N. Biswas, A. K.A. Maciel, S. Mani, S. P. Denisov, A. Zieminski, R. Madden, Brajesh C Choudhary, S. Glenn, J. McKinley, D. A. Stoianova, M. Sosebee, M. R. Krishnaswamy, L. Rasmussen, Pushpalatha C Bhat, M. Mudan, F. Hsieh, D. Vititoe, Y. S. Zhu, S. Y. Jun, R. J. Genik, J. Yu, S. Grünendahl, A. Para, N. Parua, A. Goldschmidt, D. Denisov, Matthew Jones, B. Hoeneisen, Sergey Chekulaev, J. Teiger, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, Srinivasan Rajagopalan, T. Fahland, C. L. Kim, Hiroaki Aihara, Thomas Ferbel, Dan Green, J. Wilcox, A. Taketani, I. Adam, P. Rubinov, Y. M. Park, P. M. Tuts, S.A. Kahn, M. Abolins, K. W. Merritt, A. L. Spadafora, J. F. Bartlett, M. Demarteau, R. E. Avery, Yanwen Liu, M. Goforth, L. Lueking, P. Mooney, A. Klatchko, R. K. Shivpuri, Yu Fisyak, Y. Pischalnikov, Ulrich Heintz, J. Perkins, H. Jöstlein, D. Stewart, N. K. Mondal, S. Igarashi, P. R. G. Virador, S. N. Gurzhiev, M. Diesburg, D. Owen, Q. Z. Li-Demarteau, H. T. Diehl, A. Boehnlein, J. Drinkard, M. Tartaglia, N. A. Roe, J. Tarazi, S. Chopra, M. Chung, Randy Ruchti, P. M. Sood, J. Ellison, C. S. Mishra, R. Hatcher, Kaushik De, R. W. Stephens, Quing Zhu, Vasken Hagopian, S. H. Aronson, H. Weerts, C. K. Jung, Laurent Chevalier, C. E. Gerber, Stephen Wimpenny, M. A. C. Cummings, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. Markeloff, J. Borders, J. Z.Y. Jiang, L. T. Goss, E. A. Kozlovski, H. Haggerty, S. Lökös, W. A. Wenzel, L. T. Kerth, N. Amos, J. Yang, V. M. Podstavkov, M. Fortner, A. Bischoff, A. V. Kostritskiy, Sissel Hansen, F. Nang, K. Bazizi, M. D. Marx, H. D. Wahl, Sun Kee Kim, E. W. Anderson, Allen Mincer, Christina Gao, P. Padley, Alexey Volkov, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, J. Thompson, B. Gómez, L. Sawyer, Z. H. Zhu, Shashikant Dugad, V. Oguri, R. Demina, W. Smart, K. A. Johns, E. Amidi, J. V.D. Wirjawan, J. R. T. de Mello Neto, K. S. Hahn, D. Cutts, Greg Landsberg, T. L. Geld, M. Paterno, A. Baden, G. C. Blazey, R. Yamada, S. H. Ahn, Orin I. Dahl, John Rutherfoord, Mary Beth Adams, James C. Green, F. Borcherding, E. Oltman, Sarah Catherine Eno, Vyacheslav Klyukhin, and Ying Li
Subjects: Physics, Quark, Top quark, Particle physics, Muon, Computer Science::Information Retrieval, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Particle identification, Luminosity, Standard Model, Nuclear physics, Particle decay, Production (computer science), High Energy Physics::Experiment
Abstract: We present results on the search for the top quark in {ital p{bar p}} collisions at {radical}{ital s} =1.8 TeV with an integrated luminosity of 13.5{plus_minus}1.6 pb{sup {minus}1}. We have considered {ital t{bar t}} production in the standard model using electron and muon dilepton decay channels ({ital t{bar t}}{r_arrow}{ital e}{mu}+jets, {ital ee}+jets, and {mu}{mu}+jets) and single-lepton decay channels ({ital t{bar t}}{r_arrow}{ital e}+jets and {mu}+jets) with and without tagging of {ital b} quark jets. An analysis of these data optimized for top quark masses below 140 GeV/{ital c}{sup 2} gives a lower top quark mass limit of 128 GeV/{ital c}{sup 2}. An analysis optimized for higher top quark masses yields 9 events with an expected background of 3.8{plus_minus}0.9. If we assume that the excess is due to {ital t{bar t}} production, and assuming a top quark mass of 180 GeV/{ital c}{sup 2}, we obtain a cross section of 8.2{plus_minus}5.1 pb.
Published: 1995

41. OBSERVATION OF THE TOP-QUARK

Author: S. Abachi, B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, J. Alitti, G. Álvarez, G. A. Alves, E. Amidi, N. Amos, E. W. Anderson, S. H. Aronson, R. Astur, R. E. Avery, A. Baden, V. Balamurali, J. Balderston, B. Baldin, J. Bantly, J. F. Bartlett, K. Bazizi, J. Bendich, S. B. Beri, I. Bertram, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, A. Bischoff, N. Biswas, G. Blazey, S. Blessing, A. Boehnlein, N. I. Bojko, F. Borcherding, J. Borders, C. Boswell, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. S. Burtovoi, J. M. Butler, D. Casey, H. Castilla-Valdez, D. Chakraborty, S.-M. Chang, S. V. Chekulaev, L.-P. Chen, W. Chen, L. Chevalier, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. Cummings, D. Cutts, O. I. Dahl, K. De, M. Demarteau, R. Demina, K. Denisenko, N. Denisenko, D. Denisov, S. P. Denisov, W. Dharmaratna, H. T. Diehl, M. Diesburg, G. Di Loreto, R. Dixon, P. Draper, J. Drinkard, Y. Ducros, S. R. Dugad, S. Durston-Johnson, D. Edmunds, A. O. Efimov, J. Ellison, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, V. N. Evdokimov, S. Fahey, T. Fahland, M. Fatyga, M. K. Fatyga, J. Featherly, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, Yu. Fisyak, E. Flattum, G. E. Forden, M. Fortner, K. C. Frame, P. Franzini, S. Fredriksen, S. Fuess, A. N. Galjaev, E. Gallas, C. S. Gao, S. Gao, T. L. Geld, R. J. Genik II, K. Genser, C. E. Gerber, B. Gibbard, M. Glaubman, V. Glebov, S. Glenn, J. F. Glicenstein, B. Gobbi, M. Goforth, A. Goldschmidt, B. Gomez, P. I. Goncharov, H. Gordon, L. T. Goss, N. Graf, P. D. Grannis, D. R. Green, J. Green, H. Greenlee, G. Griffin, N. Grossman, P. Grudberg, S. Grünendahl, J. A. Guida, J. M. Guida, W. Guryn, S. N. Gurzhiev, Y. E. Gutnikov, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, K. S. Hahn, R. E. Hall, S. Hansen, R. Hatcher, J. M. Hauptman, D. Hedin, A. P. Heinson, U. Heintz, R. Hernandez-Montoya, T. Heuring, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. S. Hoftun, F. Hsieh, Ting Hu, Tong Hu, T. Huehn, S. Igarashi, A. S. Ito, E. James, J. Jaques, S. A. Jerger, J. Z.-Y. Jiang, T. Joffe-Minor, H. Johari, K. Johns, M. Johnson, H. Johnstad, A. Jonckheere, H. Jöstlein, S. Y. Jun, C. K. Jung, S. Kahn, J. S. Kang, R. Kehoe, M. Kelly, A. Kernan, L. Kerth, C. L. Kim, S. K. Kim, A. Klatchko, B. Klima, B. I. Klochkov, C. Klopfenstein, V. I. Klyukhin, V. I. Kochetkov, J. M. Kohli, D. Koltick, A. V. Kostritskiy, J. Kotcher, J. Kourlas, A. V. Kozelov, E. A. Kozlovski, M. R. Krishnaswamy, S. Krzywdzinski, S. Kunori, S. Lami, G. Landsberg, R. E. Lanou, J-F. Lebrat, J. Lee-Franzini, A. Leflat, H. Li, J. Li, Y. K. Li, Q. Z. Li-Demarteau, J. G. R. Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, S. C. Loken, S. Lökös, L. Lueking, A. L. Lyon, A. K. A. Maciel, R. J. Madaras, R. Madden, I. V. Mandrichenko, Ph. Mangeot, S. Mani, B. Mansoulié, H. S. Mao, S. Margulies, R. Markeloff, L. Markosky, T. Marshall, M. I. Martin, M. Marx, B. May, A. A. Mayorov, R. McCarthy, T. McKibben, J. McKinley, H. L. Melanson, J. R. T. de Mello Neto, K. W. Merritt, H. Miettinen, A. Milder, C. Milner, A. Mincer, J. M. de Miranda, C. S. Mishra, M. Mohammadi-Baarmand, N. Mokhov, N. K. Mondal, H. E. Montgomery, P. Mooney, M. Mudan, C. Murphy, C. T. Murphy, F. Nang, M. Narain, V. S. Narasimham, A. Narayanan, H. A. Neal, J. P. Negret, E. Neis, P. Nemethy, D. Nešić, D. Norman, L. Oesch, V. Oguri, E. Oltman, N. Oshima, D. Owen, P. Padley, M. Pang, A. Para, C. H. Park, Y. M. Park, R. Partridge, N. Parua, M. Paterno, J. Perkins, A. Peryshkin, M. Peters, H. Piekarz, Y. Pischalnikov, A. Pluquet, V. M. Podstavkov, B. G. Pope, H. B. Prosper, S. Protopopescu, D. Pušeljić, J. Qian, P. Z. Quintas, R. Raja, S. Rajagopalan, O. Ramirez, M. V. S. Rao, P. A. Rapidis, L. Rasmussen, A. L. Read, S. Reucroft, M. Rijssenbeek, T. Rockwell, N. A. Roe, J. M. R. Roldan, P. Rubinov, R. Ruchti, S. Rusin, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, D. Schmid, J. Sculli, E. Shabalina, C. Shaffer, H. C. Shankar, R. K. Shivpuri, M. Shupe, J. B. Singh, V. Sirotenko, W. Smart, A. Smith, R. P. Smith, R. Snihur, G. R. Snow, S. Snyder, J. Solomon, P. M. Sood, M. Sosebee, M. Souza, A. L. Spadafora, R. W. Stephens, M. L. Stevenson, D. Stewart, F. Stocker, D. A. Stoianova, D. Stoker, K. Streets, M. Strovink, A. Taketani, P. Tamburello, J. Tarazi, M. Tartaglia, T. L. Taylor, J. Teiger, J. Thompson, T. G. Trippe, P. M. Tuts, N. Varelas, E. W. Varnes, P. R. G. Virador, D. Vititoe, A. A. Volkov, E. von Goeler, A. P. Vorobiev, H. D. Wahl, J. Wang, L. Z. Wang, J. Warchol, M. Wayne, H. Weerts, W. A. Wenzel, A. White, J. T. White, J. A. Wightman, J. Wilcox, S. Willis, S. J. Wimpenny, J. V. D. Wirjawan, Z. Wolf, J. Womersley, E. Won, D. R. Wood, H. Xu, R. Yamada, P. Yamin, C. Yanagisawa, J. Yang, T. Yasuda, C. Yoshikawa, S. Youssef, J. Yu, Y. Yu, Y. Zhang, Y. H. Zhou, Q. Zhu, Y. S. Zhu, Z. H. Zhu, D. Zieminska, A. Zieminski, A. Zinchenko, and A. Zylberstejn
Subjects: Quark, Physics, Top quark, Particle physics, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, FOS: Physical sciences, Bottom quark, Particle identification, High Energy Physics - Experiment, Standard Model, Nuclear physics, High Energy Physics - Phenomenology, Particle decay, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Production (computer science), High Energy Physics::Experiment, Nuclear Experiment
Abstract: The DO collaboration reports on a search for the Standard Model top quark in pbar-p collisions at Sqrt(s)=1.8TeV at the Fermilab Tevatron, with an integrated luminosity of approximately 50pb-1. We have searched for t-tbar production in the dilepton and single-lepton decay channels, with and without tagging of b-quark jets. We observed 17 events with an expected background of 3.8+/-0.6 events. The probability for an upward fluctuation of the background to produce the observed signal is 2.0E-6 (equivalent to 4.6 standard deviations). The kinematic properties of the excess events are consistent with top quark decay. We conclude that we have observed the top quark and measure its mass to be 199^+19_21 (stat.)+/- 22 (syst.)GeV/c**2 and its production cross section to be 6.4 +/- 2.2 pb., Comment: postscript available at http://fnnews.fnal.gov/top_paper_dzero.ps, for further info see http://fnnews.fnal.gov/top_discovery.html
Published: 1995

42. The DØ detector

Author: V. N. Evdokimov, Ron Lipton, K. K. Ng, J. Womersley, F. Stocker, D. Cullen-Vidal, K. Genser, H. Weerts, J. Cochran, Daniel J. Smith, P. Xie, S. Feher, V. Manzella, B. Gobbi, K. Denisenko, T. G. Trippe, E. Barasch, Brajesh C Choudhary, H.J. Stredde, Shuichi Kunori, Jasvinder A. Singh, S. Igarashi, Stephen Wimpenny, M. A. C. Cummings, Q. Z. Li-Demarteau, P. J. Kroon, J. N. Butler, P. D. Grannis, J. R. Hubbard, S. Zhang, T. Marshall, Yu.M. Antipov, E. James, N. A. Roe, G. Theodosiou, C. T. Murphy, B. Pi, Matthew Jones, J. A. Guida, G. Krafczyk, C. K. Jung, A. Kirunin, Darien Wood, A. Bross, R. Astur, Nicholas John Hadley, M. L. Good, W. Anderson, H. J. Martin, G. Fanourakis, Ulrich Heintz, K. Streets, B. Baldin, P.R. Vishwanath, D. Xiao, S. Blessing, J. Bantly, Hiroaki Aihara, D. Finley, Y. Ducros, H. Jöstlein, Scott Snyder, Rajendran Raja, M.R. Marcin, M. D. Marx, D. Zieminska, Elizabeth Gallas, S. Fuess, N. Grossman, J. Borders, S. Durston-Johnson, D. Owen, V. Sirotenko, G. Finocchiaro, S. C. Loken, O. V. Eroshin, Daniel R Claes, X. C. Meng, H. D. Wahl, W. Selove, D. Pizzuto, N. Denisenko, J. Z.Y. Jiang, W. Kononenko, Mingming Yang, D. Mendoza, Y. S. Zhu, R. Van Berg, S. Repond, Pm Tuts, Vasken Hagopian, R. Zeller, S. Protopopescu, A. S. Ito, F. Goozen, Andrew Brandt, C. Yoshikawa, R. Engelmann, Liu Chen, V. Glebov, D. Buchholz, A. Para, Marvin Johnson, I. Manning, Victor Daniel Elvira, H. Greenlee, Philippe Eberhard, Welathantri Gd Dharmaratna, E. A. Kozlovsky, Robert Hirosky, Sergey Denisov, Bobby Samir Acharya, H. A. Neal, Andrew White, A. Baden, S. H. Aronson, Kaushik De, Howard Gordon, M. Abolins, A. Zinchenko, W. Smart, D. Norman, M. Goforth, N. Bozko, S. Youssef, W. Y. Chen, L. Markosky, P. Mooney, R. J. Madaras, T. L. Geld, A. Klatchko, T. Heuring, H. E. Fisk, D. Nešić, Y. K. Que, V. Oguri, Heng Xu, G. C. Blazey, M. Sosebee, H. T. Diehl, H. Haggerty, Paolo Franzini, V. S. Narasimham, D. P. Eartly, Sharon Hagopian, Yu. Pischalnikov, J. McKinley, D. Hedin, A. Zieminski, C. Cretsinger, S. Lökös, J. F. Bartlett, Ivan Kotov, J. F. Glicenstein, J. Balderston, M. Strovink, K. Krempetz, V. A. Bezzubov, J. Ellison, A. K.A. Maciel, Raymond Brock, Boaz Klima, Z. Wolf, Meenakshi Narain, A. Peryshkin, R. P. Smith, R. L. McCarthy, Sissel Hansen, A. A. Mayorov, P. Grudberg, J. Yang, B. Daniels, Renkai Li, Srinivasan Rajagopalan, A. Suhanov, M. R. Krishnaswamy, F. Nang, Thomas Ferbel, Dan Green, T. Regan, T. Behnke, V. Burtovoy, L. T. Kerth, Michael Shupe, J. A. Wightman, Gilvan Alves, C. S. Gao, J. Sculli, M. Diesburg, A. Efimov, Kenneth Johns, A. Milder, Juliet Lee-Franzini, R. Huson, C. R. Johnson, C. Murphy, Gregory R Snow, D. Denisov, K. Bazizi, V. M. Podstavkov, S. Willis, M. Pang, L. Sawyer, Harrison Prosper, Sergey Chekulaev, S. Fahey, V. I. Kochetkov, Sylvain Tisserant, Peter Nemethy, R. Stephens, B. May, J. Kourlas, A. V. Kozelov, C. Klopfenstein, J. D. Taylor, Allan G Clark, Bruno Mansoulie, I. Adam, P. Rubinov, M. Paterno, N. K. Mondal, S. Stampke, F. Lobkowicz, L. Z. Wang, David Cutts, K. W. Merritt, R. L. Dixon, A. L. Spadafora, W. A. Wenzel, Michael Rijssenbeek, G. T. Mulholland, R. E. Lanou, S. H. Ahn, M. Fatyga, Allen Mincer, D. Stewart, M. Vaz, J. Thompson, Yanwen Liu, S. Kanekal, D. A. Stoyanova, A. Zylberstejn, L. Lueking, J. S. Hoftun, O. Callot, M. L. Stevenson, J. M. Guida, Alexey Volkov, E. Malamud, J. M. Kohli, R. Partridge, Dhiman Chakraborty, G. Rahal-Callot, N. Amos, Quing Zhu, P. Yamin, S. Abachi, Orin I. Dahl, John Rutherfoord, J. Featherly, T. Huehn, M. F. Shea, D. Fein, M. Fortner, P. Laurens, D. Edmunds, J. Linnemann, Alberto Santoro, J. G.R. Lima, Y. H. Zhou, G. E. Forden, A. P. Heinson, Y. Xia, A. Kernan, R. E. Hall, S. Lami, S. Krzywdzinski, A. L. Read, R. Yamada, V. Riadovikov, A. Pluquet, P. Martin, A. Jonckheere, C. Yanagisawa, M. D. Peters, James C. Green, L. Oesch, W. Guryn, M. H.G. Souza, D. Lloyd-Owen, Greg Landsberg, B. I. Klochkov, J. M. Hauptman, Cecilia Elena Gerber, F. Borcherding, H. Piekarz, E. Oltman, Li Jingyuan, Vyacheslav Klyukhin, B. Gibbard, M. Tartaglia, Stephan Linn, N. Oshima, A. Smith, D. C. Wang, R. Madden, L. Rasmussen, Jinghong Chen, Peter W. Draper, Pushpalatha C Bhat, M. Mudan, A. Taketani, S.A. Kahn, M. Demarteau, R. E. Avery, W. G. Cobau, M. I. Martin, E. Flattum, Ph. Mangeot, A. Shkurenkov, C. H. Park, H. S. Mao, W. E. Cooper, N. Graf, J. Yu, M. V. S. Rao, M. Montag, Alexander Vorobiev, G. Álvarez, J. Kotcher, B. G. Pope, J. Teiger, R. D. Schamberger, J. T. White, A. Boehnlein, P. Z. Quintas, K. Hodel, and J. H. Christenson
Subjects: Physics, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Detector, Tevatron, D0 experiment, law.invention, Nuclear physics, Transition radiation detector, Data acquisition, law, Hermetic detector, Physics::Accelerator Physics, High Energy Physics::Experiment, Fermilab, Collider, Instrumentation
Abstract: The DØ detector is a large general purpose detector for the study of short-distance phenomena in high energy antiproton-proton collisions, now in operation at the Fermilab Tevatron collider. The detector focusses upon the detection of electrons, muons, jets and missing transverse momentum. We describe the design and performance of the major elements of the detector, including the tracking chambers, transition radiation detector, liquid argon calorimetry and muon detection. The associated electronics, triggering systems and data acquisition systems are presented. The global mechanical, high voltage, and experiment monitoring and control systems which support the detector are described. We also discuss the design and implementation of software and software support systems that are specific to DØ. © 1994.
Published: 1994

43. Measurement of the top quark pair production cross section in the all-jets decay channel

Author: A. Baden, G. C. Blazey, R. J. Madaras, S. H. Ahn, F. Landry, John Rutherfoord, Mary Beth Adams, R. Piegaia, F. Borcherding, Bobby Samir Acharya, H. A. Neal, V. N. Evdokimov, Gervasio Gomez, P. Padley, Alexey Volkov, M. M. Baarmand, Sarah Catherine Eno, H. C. Shankar, I. Adam, P. Rubinov, S. Feher, Robert Hirosky, B. Gibbard, F. Nang, K. Yip, K. S. Hahn, G. Eppley, Greg Landsberg, T. L. Geld, David Cutts, M. Paterno, C. Cretsinger, Alexander Leflat, M. Strovink, A.S. Dyshkant, A. Zieminski, James H Cochran, S. Youssef, S. Choi, S. Grünendahl, P. Gartung, Andrew White, C. Murphy, T. Heuring, W. Y. Chen, Michael A. Strauss, C. Shaffer, D. Cullen-Vidal, J. M. Hauptman, Cecilia Elena Gerber, K. W. Merritt, N. N. Biswas, H. da Motta, M. I. Martin, D. Zieminska, D. Lincoln, J. Bantly, Vasken Hagopian, C. K. Jung, V. Stolin, Mitchell Wayne, H. Schellman, J. M. Kohli, V. Manankov, H. E. Fisk, V. V. Babintsev, Gilvan Alves, J. M. Guida, S. Fuess, V. S. Narasimham, D. Hedin, Joan A. Guida, M. Bhattacharjee, Pm Tuts, A. Boehnlein, S. A. Jerger, J. Thompson, C. Klopfenstein, M. Mostafa, Kenneth Johns, M. Chung, B. Hoeneisen, G. Guglielmo, Lev Dudko, A. Sanchez-Hernandez, Jianming Qian, Andrew Brandt, R. Engelmann, A. A. Mayorov, V. A. Bezzubov, John Hobbs, H. Jöstlein, R. P. Smith, C. Boswell, A. L. Lyon, Shuichi Kunori, T. G. Trippe, M. Tartaglia, G. Di Loreto, Z. H. Zhu, R. Partridge, Robert Kehoe, M. K. Fatyga, M. Peters, Alexander Belyaev, A. S. Ito, F. Stichelbaut, J. Snow, J. H. Christenson, V. Gavrilov, S. Y. Jun, J. Perkins, E. A. Kozlovsky, T. L.T. Thomas, H.E. Miettinen, V. Vaniev, D. Denisov, G. Briskin, J. Jaques, C. Yoshikawa, Michael Shupe, Young-Sang Yu, Heriberto Castilla-Valdez, N. Parua, V.V. Abramov, Elizabeth Gallas, Shashikant Dugad, Ron Lipton, H. E. Montgomery, S. Grinstein, B. Zhang, C. S. Mishra, A. Zylberstejn, J. Womersley, P. Mooney, Joginder Singh, Sharon Hagopian, D. Shpakov, Tong Hu, Suman Bala Beri, H. L. Melanson, R. Hernández-Montoya, Y. Fisyak, B. Gómez, D. Karmanov, J. Linnemann, Srinivasan Rajagopalan, T. Fahland, Thomas Ferbel, D. Edmunds, E. Smith, Y. Kulik, A. V. Kotwal, L. Lueking, W. G. Cobau, N. Sotnikova, J. Krane, D. Coppage, E. G. Zverev, K. Del Signore, Matthew Jones, Eunil Won, Harrison Prosper, Brajesh C Choudhary, Marvin Johnson, Emanuela Barberis, B. May, A. Bross, J. Moromisato, Arnaud Lucotte, J. F. Bartlett, P. Bloom, J. A. Wightman, Steve Reucroft, Li Jingyuan, R. L. McCarthy, M. Abolins, E. Flattum, R. Yamada, A. V. Kostritskiy, N. Mokhov, L. Sawyer, N. I. Bojko, H. Weerts, T. Joffe-Minor, T. Marshall, Richard Breedon, H. Greenlee, F. Lobkowicz, H. D. Wahl, Winston Ko, Meenakshi Narain, B. Gobbi, N. Parashar, K. Genser, T. Rockwell, Iain Alexander Bertram, R. Snihur, J. P. Negret, Howard Gordon, K. C. Frame, L. Coney, O. Ramirez, J. McKinley, L. Babukhadia, Michael Rijssenbeek, H. T. Diehl, Anurag Gupta, Y. M. Park, D. P. Stoker, H. Singh, Randy Ruchti, Peter Nemethy, M. Sosebee, G. Steinbrück, Wagner Carvalho, Brad Abbott, S. Kuleshov, M. Zielinski, D. Casey, J. Kotcher, A. Narayanan, Z. Zhou, J. Solomon, M. Roco, P. Hanlet, Ulrich Heintz, P. Grudberg, Qiming Li, Sergey Denisov, J. Ellison, A. K.A. Maciel, O. I. Dahl, M. R. Krishnaswamy, R. J. Genik, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, D. Koltick, G. E. Forden, A. P. Heinson, F. Hsieh, Gordon Watts, N. Graf, S. Krzywdzinski, E. W. Anderson, A. Jonckheere, V. Sirotenko, K. Streets, Vipin Bhatnagar, T. Yasuda, A. R. Clark, D. A. Stoyanova, D. Stewart, S. N. Gurzhiev, O. V. Eroshin, Phillip Gutierrez, Sergey Chekulaev, P. I. Goncharov, J. McDonald, B. Baldin, T. McMahon, S. Hansen, D. Owen, R. E. Hall, Andre Sznajder, J. T. White, Allen Mincer, J. L. González Solís, Z. Casilum, Y. Ducros, D. Norman, Z. Wu, Yuri Gershtein, C. Miao, H. S. Mao, D. L. Adams, H. Haggerty, N. Amos, N. K. Mondal, J. Tarazi, L. T. Goss, L. Oesch, D. Fein, M. Fortner, S. Protopopescu, G. Wang, Alberto Santoro, J. G.R. Lima, M. H.G. Souza, G. Kalbfleisch, Victor Daniel Elvira, Erich Varnes, Seong Keun Kim, Daniel John Karmgard, K. M. Mauritz, C. Hebert, A. V. Kozelov, M. L. Stevenson, Dhiman Chakraborty, Philip Baringer, J. Warchol, V. S. Burtovoi, W. E. Cooper, S. Banerjee, T. McKibben, J. Yu, D. Buchholz, Y. Pischalnikov, P. Tamburello, S. Chopra, Anna Goussiou, P. Z. Quintas, Stephen Wimpenny, A. N. Galyaev, B. Pawlik, Gregory R Snow, D. R. Green, Darien Wood, Nicholas John Hadley, S. Blessing, Daniel R Claes, Scott Snyder, R. Markeloff, R. K. Shivpuri, P. Yepes, R. Jesik, B. G. Pope, Kaushik De, Elizaveta Shabalina, R. D. Schamberger, L. Magaña-Mendoza, G. Gutierrez, J. V. D. Wirjawan, P. Ermolov, V. Oguri, M. Merkin, A. Para, Pushpalatha C Bhat, K. Gounder, B. Lauer, M. A.C. Cummings, J. Sculli, M. Diesburg, Nikos Varelas, Raymond Brock, Boaz Klima, S.A. Kahn, S. Willis, M. Demarteau, A. P. Vorobiev, R. Raja, Stephan Linn, N. Oshima, P. Yamin, S. Mani, R. Madden, Peter W. Draper, and R. W. Stephens
Subjects: Physics, Top quark, Particle physics, High Energy Physics::Phenomenology, General Physics and Astronomy, FOS: Physical sciences, Neural network analysis, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pair production, Production (computer science), High Energy Physics::Experiment, Nuclear Experiment, Lepton
Abstract: We present a measurement of tbar-t production using multijet final states in pbar-p collisions at a center-of-mass energy of 1.8 TeV, with an integrated luminosity of 110.3 pb(-1). The analysis has been optimized using neural networks to achieve the smallest expected fractional uncertainty on the tbar-t production cross section, and yields a cross section of 7.1 +/- 2.8(stat.) +/- 1.5(syst.) pb, assuming a top quark mass of 172.1 GeV/c^(2). Combining this result with previous D0 measurements, where one or both of the W bosons decay leptonically, gives a tbar-t production cross section of 5.9 +/- 1.2(stat) +/- 1.1(syst) pb., 6 pages, 3 figures; no substative change in revision

44. Direct measurement of the top quark mass by the DØ Collaboration

Author: K. Del Signore, Matthew Jones, S. A. Jerger, L. Magaña-Mendoza, M. Merkin, C. L. Kim, M. Sosebee, Hiroaki Aihara, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, Y. Ducros, V. N. Evdokimov, D.S. Koltick, P. M. Tuts, G. P. Grim, R. W. Stephens, J. Bantly, Pushpalatha C Bhat, V. A. Bezzubov, A. Leflat, Q. Z. Li-Demarteau, J. P. Negret, R. P. Smith, Michael Shupe, K. Gounder, Robert Hirosky, D. Stewart, Sun Kee Kim, J. Jaques, Ron Lipton, Andrew Brandt, Raymond Brock, Boaz Klima, R. Engelmann, S. N. Gurzhiev, Liu Chen, W. Y. Chen, R. Snihur, W. G. Cobau, M. I. Martin, A. V. Kotwal, Harrison Prosper, R. L. McCarthy, D. Norman, George R. Kalbfleisch, H.E. Miettinen, J. Womersley, B. Lauer, M. A.C. Cummings, V. S. Narasimham, Thomas G Trippe, B. Hoeneisen, E. W. Anderson, S. Willis, J. S. Kang, T. Joffe-Minor, Lee Sawyer, Randy Ruchti, H. E. Fisk, A. A. Mayorov, M. K. Fatyga, G. Steinbrück, Peter Nemethy, K. Streets, M. Roco, R. J. Madaras, D. Karmanov, J. Snow, S. M. Chang, Vipin Bhatnagar, Kenneth Johns, C. S. Mishra, J. M. Guida, D. Hedin, A. Zylberstejn, A. N. Galyaev, G. Eppley, E. G. Zverev, J. McDonald, H. da Motta, J. G.R. Lima, J. F. Bartlett, Haifeng Li, G. Guglielmo, Brajesh C Choudhary, Heriberto Castilla-Valdez, A. S. Ito, J. Solomon, Allen Mincer, Daniel R Claes, H. Ting, Sebastian Grinstein, Y. M. Park, R. Partridge, Meenakshi Narain, S. P. Denisov, Vasken Hagopian, S.A. Kahn, H. Weerts, A. Narayanan, M. Demarteau, M. Chung, P. Padley, J. Sculli, Alexey Volkov, W. E. Cooper, James H Cochran, Lev Dudko, V. Balamurali, Mitchell Wayne, H. Schellman, J. M. Kohli, T. McKibben, Nikos Varelas, M. R. Krishnaswamy, R. K. Shivpuri, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, Stefan Grünendahl, J. Thompson, Alexander Vorobiev, C. Murphy, R. Jesik, H. S. Mao, S. Fuess, D. L. Adams, Jinhong Yu, B. Gómez, F. Hsieh, Z. H. Zhu, F. Stichelbaut, B. G. Pope, Dhiman Chakraborty, A. Klatchko, Joan A. Guida, M. Tartaglia, Shashikant Dugad, R. Astur, V. Oguri, A. Para, E. Shabalina, Gordon Watts, J. T. White, M. Bhattacharjee, Kaushik De, V. Sirotenko, G. Di Loreto, O. V. Eroshin, Phillip Gutierrez, A. V. Kostritskiy, T. Heuring, S. Mani, Sissel Hansen, R. Madden, D. Denisov, L. Coney, L. Rasmussen, Peter W. Draper, Sharon Hagopian, A. Boehnlein, Sergey Chekulaev, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, H. L. Melanson, P. Z. Quintas, A. K.A. Maciel, J. Warchol, A. Jonckheere, Stephen Wimpenny, Stephan Linn, Y. Fisyak, J. H. Christenson, G. Wang, Alberto Santoro, N. Oshima, Daria Zieminska, T. Marshall, R. D. Schamberger, Darien Wood, Nicholas John Hadley, R. Piegaia, J. M. Hauptman, Cecilia Elena Gerber, S. Blessing, M. L. Kelly, Scott Snyder, Howard Gordon, E. James, K. C. Frame, O. Ramirez, Jianming Qian, R. Markeloff, I. Adam, P. Rubinov, J. V.D. Wirjawan, K. W. Merritt, B. Pawlik, A. L. Spadafora, V. Manankov, P. Hanlet, Yanwen Liu, L. Lueking, J. Kotcher, Elizabeth Gallas, B. May, G. Finocchiaro, K. Bazizi, N. Graf, B. Gobbi, Anurag Gupta, Jasvinder A. Singh, T. Yasuda, W. Smart, S. Reucroft, P. Bloom, J. A. Wightman, C. Yoshikawa, N. I. Bojko, M. L. Stevenson, A. L. Lyon, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, Shuichi Kunori, H. Piekarz, B. Baldin, P. I. Goncharov, Victor Daniel Elvira, S. Youssef, S. Choi, M. Abolins, A. Sanchez-Hernandez, P. Mooney, Robert Kehoe, N. K. Mondal, H. T. Diehl, H. Singh, P. M. Sood, J. Balderston, J. Ellison, C. K. Jung, R. L. Lander, D. Lincoln, Eunil Won, Marvin Johnson, H. D. Wahl, A. V. Kozelov, Allan G Clark, N.V. Mokhov, P. Gartung, G. E. Forden, A. P. Heinson, P. Yamin, R. E. Hall, J. L. González Solís, C. Klopfenstein, Z. Casilum, D. P. Stoker, T. Huehn, T. Fahland, D. Fein, E. Flattum, R. Hernández-Montoya, Erich Varnes, E. Smith, F. Borcherding, Andrew White, Daniel John Karmgard, P. Grudberg, T. McMahon, Y. E. Gutnikov, N. Sotnikova, J. Krane, J. Kourlas, John Hobbs, E. Oltman, Y. Pischalnikov, Ulrich Heintz, Young-Sang Yu, N. A. Roe, H. Jöstlein, M. M. Baarmand, Sarah Catherine Eno, N. Grossman, C. Cretsinger, Jing Li, Vyacheslav Klyukhin, B. Gibbard, M. Diesburg, D. Casey, M. Strovink, F. Nang, S. Krzywdzinski, K. S. Hahn, D. Owen, V. I. Kochetkov, A. Bross, D. Cutts, Greg Landsberg, J. Tarazi, H. Greenlee, Sanjay K. Banerjee, T. L. Geld, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, M. Paterno, K. M. Mauritz, S. Lami, H. Tong, Serban Protopopescu, Gilvan Alves, A. Baden, G. C. Blazey, P.F. Ermolov, Rajendran Raja, R. Yamada, S. H. Ahn, Alexander Belyaev, Orin I. Dahl, F. Landry, John Rutherfoord, V. S. Burtovoi, S. C. Loken, Mary Beth Adams, Brad Abbott, Gervasio Gomez, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, D. Buchholz, N. N. Biswas, Edilamar Menezes de Oliveira, D. Vititoe, S. Chopra, P. Tamburello, Heng Xu, Anna Goussiou, R. J. Genik, Gregory R Snow, Michael A. Strauss, M. H.G. Souza, P. Yepes, S. Feher, H. E. Montgomery, C. Boswell, A. Zieminski, S. Y. Jun, T. L.T. Thomas, Suman Bala Beri, D. Edmunds, Andre Sznajder, M. D. Peters, N. Amos, L. Oesch, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, Emanuela Barberis, J. Z.Y. Jiang, L. T. Goss, E. A. Kozlovski, H. Haggerty, S. Lökös, and N. Parua
Subjects: Physics, Quark, Nuclear and High Energy Physics, Top quark, Particle physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, Elementary particle, Fermion, Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment, Bar (unit), Boson, Lepton
Abstract: We determine the top quark mass m{sub t} using t{bar t} pairs produced in the DO/ detector by {radical} (s) =1.8thinspTeV p{bar p} collisions in a 125thinsppb{sup {minus}1} exposure at the Fermilab Tevatron. We make a two constraint fit to m{sub t} in t{bar t}{r_arrow}bW{sup +}{bar b}W{sup {minus}} final states with one {ital W} boson decaying to q{bar q} and the other to e{nu} or {mu}{nu}. Likelihood fits to the data yield m{sub t}(l+jets)=173.3{plus_minus}5.6thinsp(stat)thinsp{plus_minus}thinsp5.5thinsp(s st) GeV/c{sup 2}. When this result is combined with an analysis of events in which both {ital W} bosons decay into leptons, we obtain m{sub t}=172.1{plus_minus}5.2thinsp(stat)thinsp{plus_minus}thinsp4.9thinsp(syst) GeV/c{sup 2}. An alternate analysis, using three constraint fits to fixed top quark masses, gives m{sub t}(l+jets)=176.0{plus_minus}7.9thinsp(stat){plus_minus}thinsp4.8thinsp(syst) GeV/c{sup 2}, consistent with the above result. Studies of kinematic distributions of the top quark candidates are also presented. {copyright} {ital 1998} {ital The American Physical Society}

45. Search for additional neutral gauge bosons

Author: C. K. Jung, N. Parua, D. Edmunds, E. Neis, M. Mudan, Matthew Jones, T. Joffe-Minor, C. Yanagisawa, Andre Sznajder, R. K. Shivpuri, S. P. Denisov, P. Grudberg, B. Lauer, M. A.C. Cummings, B. Hoeneisen, T. McKibben, M. R. Krishnaswamy, H. E. Fisk, Lee Sawyer, M.K. Fatyga, A. N. Galyaev, M. V. S. Rao, F. Hsieh, A. R. Clark, J. Solomon, M. D. Peters, S. Grünendahl, A. Para, Alexander Vorobiev, Sergey Chekulaev, J. Drinkard, Y. M. Park, M. H.G. Souza, S. Igarashi, M. Tartaglia, S.A. Kahn, P. Yepes, W. E. Cooper, L. P. Chen, Q. Z. Li-Demarteau, W. Y. Chen, L. Oesch, Kaushik De, H. E. Montgomery, Daniel R Claes, M. Demarteau, R. E. Avery, Suyong Choi, B. I. Klochkov, George R. Kalbfleisch, Paolo Franzini, V. S. Narasimham, W. X. Gu, I. Adam, P. Rubinov, S. H. Aronson, Randy Ruchti, K. W. Merritt, J. F. Bartlett, A. A. Mayorov, M. K. Fatyga, Yanwen Liu, D. P. Stoker, Andrew White, L. Lueking, P. Yamin, L. Markosky, Joan A. Guida, H. D. Wahl, K. Bazizi, J. Snow, C. S. Mishra, S. Mani, L. Magaña-Mendoza, T. McMahon, Y. E. Gutnikov, A. L. Spadafora, G. Di Loreto, M. L. Kelly, P. I. Goncharov, W. Guryn, Howard Gordon, K. C. Frame, J. Kourlas, O. Ramirez, G. Guglielmo, T. G. Trippe, L. T. Kerth, S. Glenn, J. McKinley, R. Madden, D. Buchholz, S. A. Jerger, L. Rasmussen, D. A. Stoianova, Peter W. Draper, A. Leflat, G. Wang, Alberto Santoro, A. L. Lyon, Shuichi Kunori, P. Tamburello, Wagner Carvalho, Elizabeth Gallas, R. Hatcher, D. Denisov, Heng Xu, W. G. Cobau, M. I. Martin, Raymond Brock, Boaz Klima, John Hobbs, J. Borders, Vasken Hagopian, H. Weerts, Sharon Hagopian, M. Bhattacharjee, Srinivasan Rajagopalan, P. A. Rapidis, Thomas Ferbel, J. M. Hauptman, Cecilia Elena Gerber, D. Norman, B. Gibbard, Gregory R Snow, S. Willis, M. Pang, Dan Green, Lev Dudko, A. K.A. Maciel, M. Abolins, Young-Sang Yu, A. Jonckheere, E. Oltman, R. Hirosky, D. Vititoe, C. Klopfenstein, R. J. Genik, Stephan Linn, Jianming Qian, S. Lami, C. L. Kim, J. Sculli, P. Mooney, J. Z.Y. Jiang, N. Oshima, P.F. Ermolov, Hiroaki Aihara, T. L. Taylor, N. K. Mondal, Daria Zieminska, R. D. Schamberger, P. R.G. Virador, R. W. Stephens, H. T. Diehl, A. Smith, A. Boehnlein, J. F. Lebrat, D. Pušeljić, C. Boswell, D. Stewart, S. N. Gurzhiev, S. Abachi, P. M. Sood, S. Fuess, R. Hernández-Montoya, S. Banerjee, V. S. Burtovoi, Stephen Wimpenny, W. Smart, K. A. Johns, H. Johari, V. Balamurali, L. T. Goss, J. Ellison, Heriberto Castilla-Valdez, G. Finocchiaro, N. Sotnikova, Suman Bala Beri, B. G. Pope, J. Krane, T. Marshall, R. Snihur, N. Varelas, Darien Wood, Nicholas John Hadley, Gordon Watts, R. J. Madaras, V. Sirotenko, S. Blessing, Scott Snyder, S. M. Chang, O. V. Eroshin, N. Denisenko, S. Reucroft, R. Markeloff, E. Shabalina, J. T. White, Quing Zhu, Phillip Gutierrez, E. Amidi, J. V.D. Wirjawan, E. A. Kozlovski, J. R. T. de Mello Neto, C. Yoshikawa, J. Featherly, V. Glebov, RC Bhat, Marvin Johnson, A. V. Kozelov, Dhiman Chakraborty, H. Haggerty, S. Lökös, S. Fahey, C. Cretsinger, M. Strovink, E. James, Gilvan Alves, V. Oguri, J. S. Kang, S. C. Loken, M. L. Stevenson, N. Amos, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, Harrison Prosper, J. M. Guida, D. Hedin, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, R. L. Dixon, Michael Rijssenbeek, V. N. Evdokimov, J. Warchol, D.S. Koltick, S. Youssef, A. Sanchez-Hernandez, Robert Kehoe, J. Balderston, D. Lincoln, Eunil Won, B. Baldin, Y. Ducros, Victor Daniel Elvira, P. Bloom, J. A. Wightman, N. I. Bojko, K. Streets, Vipin Bhatnagar, R. Partridge, E. Flattum, G. Griffin, C. H. Park, H. S. Mao, D. L. Adams, J. S. Hoftun, J. N. Butler, P. D. Grannis, H. Piekarz, G. Álvarez, J. Kotcher, O. I. Dahl, N. Graf, H. L. Melanson, P. Z. Quintas, Y. Fisyak, J. H. Christenson, M. Chung, B. May, B. Gobbi, Jasvinder A. Singh, H. Johnstad, T. Yasuda, C. Murphy, R. Astur, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. Li, T. Fahland, T. Heuring, J. T. Linnemann, J. Wilcox, M. Goforth, D. Casey, A. Bross, Jinhong Yu, H. Tong, Rajendran Raja, A. Klatchko, Brad Abbott, J. Jaques, Ron Lipton, S. Feher, J. Womersley, Nikolai Mokhov, A. Zieminski, Brajesh C Choudhary, T. Huehn, D. Fein, Erich Varnes, J. M. De Miranda, G. Eppley, Soon Yung Jun, H. da Motta, J. G.R. Lima, N. Grossman, A. S. Ito, Pm Tuts, G. E. Forden, A. P. Heinson, A. Bischoff, J. F. Glicenstein, A. V. Kostritskiy, Sissel Hansen, F. Nang, R. E. Hall, J. L. González Solís, M. Nicola, S. Krzywdzinski, P. Padley, Alexey Volkov, James H Cochran, R. L. McCarthy, Mitchell Wayne, V. I. Kochetkov, H. Schellman, J. M. Kohli, J. Thompson, B. Gómez, Z. H. Zhu, Shashikant Dugad, A. Zylberstejn, Peter Nemethy, Sun Kee Kim, H. Greenlee, E. W. Anderson, Serban Protopopescu, Allen Mincer, Alexander Belyaev, Gervasio Gomez, E. G. Zverev, D. Nešić, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, Haifeng Li, N. N. Biswas, J. Bendich, S. Chopra, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, H. Ting, M. Diesburg, D. Owen, J. Tarazi, Meenakshi Narain, A. Peryshkin, A. Narayanan, M. Sosebee, J. Alitti, J. Bantly, Andrew Brandt, R. Engelmann, H.E. Miettinen, K. S. Hahn, D. Cutts, Greg Landsberg, T. L. Geld, Natalie A. Roe, M. Paterno, A. Baden, H. Tao, G. C. Blazey, R. Yamada, S. H. Ahn, John Rutherfoord, Mary Beth Adams, James C. Green, F. Borcherding, M. M. Baarmand, Sarah Catherine Eno, Vyacheslav Klyukhin, and Ying Li
Subjects: Quark, Physics, Nuclear and High Energy Physics, Gauge boson, Particle physics, High Energy Physics::Phenomenology, Tevatron, law.invention, Standard Model, Nuclear physics, law, High Energy Physics::Experiment, Fermilab, Collider, Boson, Lepton
Abstract: We have searched for a heavy neutral gauge boson, Z ′, using the decay channel Z ′ → ee . The data were collected with the DO detector at the Fermilab Tevatron during the 1992–1993 p p collider run at s =1.8 TeV from an integrated luminosity of 15±1 pb −1 . Limits are set on the cross section times brancing ratio for the process p p → Z′ → ee as a function of the Z ′ mass. We exclude the existence of a Z ′ of mass less than 490 GeV/c 2 , assuming a Z ′ with the same coupling strengths to quarks and leptons as the standard model Z boson.

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