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1. Use of a track and vertex processor in a fixed-target charm experiment

Author: C. Lee, T. A. Carey, J. Sa, Jen-Chieh Peng, M. J. Leitch, M. H. Schub, Daniel M. Kaplan, G. Miller, C. N. Brown, R. G. Jeppesen, Y. B. Hsiung, and P. K. Teng
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Spectrometer, Physics::Instrumentation and Detectors, business.industry, Track (disk drive), Detector, Vertex (geometry), Set (abstract data type), Data acquisition, High Energy Physics::Experiment, Charm (quantum number), Fermilab, business, Instrumentation, Computer hardware
Abstract: We have constructed and operated a high-speed parallel-pipelined track and vertex processor and used it to trigger data acquisition in a high-rate charm and beauty experiment at Fermilab. The processor uses information from hodoscopes and wire chambers to reconstruct tracks in the bend view of a magnetic spectrometer, and uses these tracks to find the corresponding tracks in a set of silicon-strip detectors. The processor then forms vertices and triggers the experiment if at least one vertex is downstream of the target. Under typical charm running conditions, with an interaction rate of ≈5 MHz, the processor rejects 80–90% of lower-level triggers while maintaining efficiency of ≈70% for two-prong D-meson decays.
Published: 1996
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2. Search for Squarks and Gluinos via Radiative Decays of Neutralinos in Proton-Antiproton Collisions at√s=1.8TeV

Author: S. Eno, A. W. Booth, J. Tonnison, S. Zucchelli, F. DeJongh, F. Rimondi, S. Ogawa, M. Timko, B. Flaugher, G. M. Grieco, W-M. Yao, K. L. Byrum, H. Keutelian, E. Meschi, Sung Keun Park, P. Giromini, J. Skarha, Steve Kuhlmann, M. Franklin, Kiminori Kondo, Y. Tsay, A. Bodek, P. Hurst, Kevin Einsweiler, J. C. Freeman, T. Baumann, M. Cordelli, G. Busetto, M. Incagli, George Redlinger, B. Farhat, Fumio Abe, R. G. Wagner, K. Takikawa, A. Roodman, A. Gauthier, James Bensinger, P. F. Derwent, D. Theriot, S. Cihangir, N. Wainer, Kazuhiko Hara, M. J. Shochet, C. Anway-Wiese, A. Zanetti, J. Wyss, D. A. Kardelis, H. H. Williams, P. Maas, S. Bertolucci, S. B. Kim, G. Sganos, J. S T Ng, Weiya Zhang, J. P. Berge, S. Segler, L. A. Markosky, L. Song, T. Fuess, Yasuo Fukui, A. Stefanini, M. Atac, C. Boswell, J. A.J. Matthews, J. C. Yun, A. Byon-Wagner, H. Iso, M. Yokoyama, R. B. Drucker, M. Krasberg, R. Grindley, J. Wolinski, T. Meyer, G. Gagliardi, G. J. Feldman, J. Tseng, B. T. Huffman, C. Pagliarone, Yongsun Kim, Nikos Giokaris, R. K. Plunkett, M. Roach, D. Quarrie, D. Lucchesi, W. Carithers, Duncan Carlsmith, Sebastian N. White, E. Kuns, N. Bacchetta, E. Pare, G. Punzi, B. L. Winer, R. Carey, G. Pauletta, M. Contreras, P. Auchincloss, R. J. Hollebeek, Giorgio Chiarelli, T. Rodrigo, Umesh Joshi, M. Lindgren, Roy F Schwitters, F. Ptohos, K. Biery, M. Ninomiya, W. J. Robertson, M. Mariotti, S. Moulding, C. B. Luchini, R. W. Kadel, J. P. Marriner, R. Cashmore, J. Konigsberg, Gordon Watts, G. Bauer, M. Frautschi, F. D. Snider, A. Etchegoyen, R. P. Johnson, Stefano Belforte, D. W. Gerdes, Chris Wendt, Y. Ye, M. Sheaff, A. Baden, L. Pondrom, E. Wicklund, J. E. Elias, Y. Cen, C. Campagnari, T. Ino, W. Chinowsky, S. Tkaczyk, R. E. Blair, R. L. Swartz, Marjorie Shapiro, M. Campbell, D. A. Smith, J. Cooper, R. M. Keup, S. H. Kim, P. Giannetti, L. Holloway, M. W. Bailey, Avraham Yagil, G. P. Yeh, A. Hölscher, R. Handler, A. Tollestrup, P. Lukens, J. Hylen, A. Para, R. C. Walker, Henrik Jeldtoft Jensen, X. Wu, M. Loreti, S. Mikamo, R. Mattingly, D. N. Brown, K. Chadwick, G. W. Foster, G. Sullivan, R. Kephart, Tony Liss, E. Buckley-Geer, Riccardo Paoletti, M. Takano, J. Patrick, S. Dell'Agnello, J. Siegrist, P. Sphicas, D. G. Underwood, T. Devlin, Hong Sj, T. Mimashi, M. Dickson, Jose M. Benlloch, S. R. Hahn, W. K. Sakumoto, S. Geer, I. Karliner, R. D. Sard, F. Tartarelli, V. Scarpine, Virgil E Barnes, K. Sliwa, M. Miller, Patrizia Azzi, E. Kearns, Paul Tipton, P. Sinervo, Nicola Turini, A. T. Laasanen, L. Ristori, J. Mueller, T. J. Phillips, A. Caner, L. F. Nakae, M. Mishina, M. Dell'Orso, Y. Morita, J. D. Lewis, Fumihiko Ukegawa, A. Spies, S. Lammel, A. Menzione, Konstanty Sumorok, E. Kovacs, Y. Seiya, C. Grosso-Pilcher, S. Miyashita, S. Behrends, A. B. Wicklund, C. Day, Kostantinos Kordas, G. F. Sciacca, D. Amidei, N. M. Shaw, Catherine Newman-Holmes, Henry J. Frisch, D. Neuberger, L. Pescara, E. H. Low, S. Miscetti, E. E. Schmidt, R. E. Hughes, D. Y. Wu, William Trischuk, H. Wenzel, W. Badgett, Aurore Savoy-Navarro, W. C. Wester, P. Bartalini, M. Mangano, J. Gonzalez, F. Bedeschi, L. Demortier, V. Bolognesi, J. Walsh, Marina Cobal, Jay Hauser, J. Yoh, J. D. Cunningham, B. Harral, G. W. Brandenburg, D. Benjamin, A. Sill, A. G. Clark, S. Errede, T. Song, G. Bellettini, R. Ely, R. Vidal, J. T. Carroll, Lawrence Nodulman, P. Limon, D. Connor, J. N. Bellinger, J. W. Chapman, T. Muller, B. A. Barnett, L. Keeble, Giorgio Apollinari, L. E. Kirsch, Teruki Kamon, I. Nakano, Craig Blocker, Kaori Maeshima, S. Zhang, A. Barbaro-Galtieri, L. Gladney, F. Cervelli, Wen Li, P. Schlabach, N. S. Lockyer, C. Nelson, S. A. Hauger, James Proudfoot, M. Spahn, P. Kesten, J. Huth, B. Denby, R. C. Webb, R. L. Wagner, Alan Garfinkel, P. McIntyre, M. H. Schub, B. Hubbard, S. Tether, G. Houk, K. Goulianos, R. Markeloff, Dario Bisello, P. de Barbaro, K. Ragan, M. Gold, Shlomit Tarem, A. Bamberger, Sally Seidel, S. Vejcik, C. P. Jessop, S. Kanda, H. Grassmann, J. Rhoades, Luca Stanco, C. Haber, S. Bhadra, A. Mukherjee, A. Dunn, A. G. Piacentino, O. Schneider, F. Zetti, C. Hawk, J. I. Lamoureux, Andrea Sansoni, S. Donati, T. L. Watts, K. Yasuoka, T. Hessing, Doyeong Kim, V. Papadimitriou, T. Rohaly, Andrew Beretvas, D. Crane, S. Leone, T. Westhusing, H. S. Budd, Andreas Warburton, Robert M Harris, Andrea Castro, P. Hu, R. St. Denis, A. Scribano, M. Binkley, and M. G. Albrow
Subjects: Physics, Quantum chromodynamics, Particle physics, Gluino, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, General Physics and Astronomy, Superpartner, Supersymmetry, Particle identification, Gluon, Nuclear physics, Antiproton, High Energy Physics::Experiment, Nuclear Experiment, Energy (signal processing)
Abstract: We have sought evidence for radiative decays of neutralinos produced in proton-antiproton collisions at {radical}{ital s}=1.8TeV. Events containing two photons plus large missing transverse energy were investigated. The observed event rate and the missing transverse energy distribution of the two-photon events are consistent with QCD predictions. Inferred limits on squark and gluino masses depend on the supersymmetry model parameters. The particular choices {mu}={minus}40GeV/{ital c}{sup 2} and tan{beta}=1.5 lead to 90%-confidence-level asymptotic lower limits of 110 GeV/{ital c}{sup 2} and 140 GeV/{ital c}{sup 2} for squarks and gluinos, respectively.
Published: 1995
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3. Measurement of the Bottom-Quark Production Cross Section in 800 GeV/cProton-Gold Collisions

Author: C. N. Brown, R. Childers, T. A. Carey, L. D. Isenhower, R. S. Preston, Kam Biu Luk, D. W. Lane, M. H. Schub, Pei-Ming Ho, J. Sa, D. M. Jansen, M. E. Sadler, Josh Moss, P. K. Teng, R. Schnathorst, J. S. Kapustinsky, V. Tanikella, Yi-Chun Chen, W. E. Cooper, D. Pripstein, Leon M. Lederman, P. L. McGaughey, J. W. Lillberg, C. S. Mishra, Jen-Chieh Peng, R. G. Jeppesen, G. C. Kiang, M. S. Kowitt, G. Gidal, K. Gounder, W. Luebke, Daniel M. Kaplan, C. W. Darden, James R. Wilson, and M. J. Leitch
Subjects: Quantum chromodynamics, Mass number, Physics, Particle decay, Particle physics, Meson, Proton, General Physics and Astronomy, Production (computer science), Nucleon, Bottom quark
Abstract: Using a silicon-microstrip detector array to identify secondary vertices, we have observed {ital b}{r_arrow}{ital J}/{psi}{r_arrow}{mu}{sup +}{mu}{sup {minus}} decays in 800 GeV/{ital c} proton-gold interactions. The doubly differential cross section for {ital J}/{psi} mesons originating from {ital b}-quark decays, assuming linear dependence on nucleon number, is {ital d}{sup 2}{sigma}/{ital dx}{sub {ital Fdp}}{sup 2}{sub {ital T}}=107{plus_minus}28{plus_minus}19/nucleon at {ital x}{sub {ital F}}=0.05 and {ital p}{sub {ital T}}=1GeV/{ital c}. This measurement is compared to next-to-leading-order QCD predictions. The integrated {ital b}-quark production cross section, obtained by extrapolation over all {ital x}{sub {ital F}} and {ital p}{sub {ital T}}, is {sigma}({ital pN}{r_arrow}{ital bb}{ovr bar}+{ital X})=5.7{plus_minus}1.5{plus_minus}1.3 nb/nucleon.
Published: 1995
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4. Observation of Rapidity Gaps inp¯pCollisions at 1.8 TeV

Author: R. J. Hollebeek, Y. Cen, W. Carithers, S. Zhang, T. L. Watts, A. Barbaro-Galtieri, L. Gladney, C. Anway-Wiese, A. Tollestrup, M. Binkley, M. G. Albrow, T. Rodrigo, N. Bacchetta, S. A. Hauger, T. Devlin, Jose M. Benlloch, J. A.J. Matthews, G. Gagliardi, B. Denby, Umesh Joshi, J. Siegrist, Hong Sj, P. Bartalini, R. C. Webb, M. Gold, Konstantin Goulianos, D. Amidei, A. T. Goshaw, J. Cooper, R. M. Keup, S. Tkaczyk, T. Rohaly, T. Ino, Robert M Harris, G. Pauletta, S. Bertolucci, M. Contreras, A. Hölscher, S. H. Kim, M. Takano, M. Mishina, E. Kearns, James Proudfoot, Catherine Newman-Holmes, J. Mueller, M. Incagli, Fumihiko Ukegawa, P. Lukens, D. Crane, C. Campagnari, Andrea Castro, Gordon Watts, Andrea Sansoni, Weiya Zhang, J. P. Berge, C. Boswell, F. Cervelli, Wen Li, P. Schlabach, G. P. Yeh, G. Sullivan, C. Pagliarone, M. Roach, D. Lucchesi, S. Errede, S. Behrends, A. Spies, A. B. Wicklund, P. Hu, M. Loreti, S. Donati, S. Vejcik, Shlomit Tarem, M. Yokoyama, N. M. Shaw, C. Nelson, R. B. Drucker, Stefano Belforte, Tony Liss, P. Sphicas, F. Tartarelli, V. Scarpine, Virgil E Barnes, X. Wu, K. Sliwa, A. Roodman, J. Konigsberg, W. K. Sakumoto, A. Gauthier, James Bensinger, K. Biery, J. Yoh, P. F. Derwent, R. St. Denis, R. Kephart, L. Pondrom, E. Wicklund, E. E. Schmidt, T. Hessing, S. Leone, K. Yasuoka, Chris Wendt, A. Bamberger, S. Geer, T. Mimashi, M. Dickson, P. Kesten, Kazuhiko Hara, L. Ristori, B. Farhat, J. E. Elias, Avraham Yagil, H. S. Budd, T. Muller, D. Y. Wu, Fumio Abe, Doyeong Kim, P. Maas, P. Auchincloss, C. Grosso-Pilcher, M. Franklin, K. Takikawa, R. Mattingly, D. N. Brown, V. Papadimitriou, T. J. Phillips, Y. Morita, Lawrence Nodulman, K. Chadwick, P. Limon, S. Cihangir, F. Ptohos, P. Hurst, George Redlinger, J. C. Freeman, N. Wainer, H. Jensen, R. Vidal, T. Westhusing, Nicola Turini, A. T. Laasanen, S. Miyashita, W. C. Wester, W. J. Robertson, J. Gonzalez, F. Bedeschi, B. Harral, A. Caner, Jay Hauser, Sally Seidel, M. Dell'Orso, G. W. Brandenburg, L. Pescara, L. A. Markosky, H. H. Williams, Andreas Warburton, M. Mariotti, R. W. Kadel, A. Mukherjee, Andrew Beretvas, S. Lammel, Yasuo Fukui, A. Menzione, Y. Tsay, S. Ogawa, A. Stefanini, C. Haber, D. Benjamin, R. C. Walker, J. Wyss, I. Nakano, L. F. Nakae, Henry J. Frisch, A. Etchegoyen, R. P. Johnson, C. Day, A. Sill, D. Quarrie, M. Atac, M. J. Shochet, G. F. Sciacca, S. Miscetti, S. Eno, B. A. Barnett, L. Keeble, Giorgio Apollinari, C. P. Jessop, Teruki Kamon, R. Carey, M. Campbell, D. A. Smith, W. Badgett, J. C. Yun, A. Zanetti, S. R. Hahn, S. Kanda, P. Giannetti, M. W. Bailey, H. Wenzel, A. W. Booth, Craig Blocker, Kaori Maeshima, H. Grassmann, J. Rhoades, D. Neuberger, F. Zetti, C. Hawk, J. D. Lewis, R. Handler, R. Ely, Yongsun Kim, Marina Cobal, Roy F Schwitters, I. Karliner, Nikos Giokaris, Sebastian N. White, M. Spahn, J. S T Ng, A. Dunn, J. Huth, R. L. Wagner, L. E. Kirsch, J. D. Cunningham, Alan Garfinkel, S. Dell'Agnello, S. Moulding, S. Zucchelli, G. Bellettini, D. Theriot, E. Kuns, P. McIntyre, M. H. Schub, R. D. Sard, C. B. Luchini, M. Frautschi, Paul Tipton, Giorgio Chiarelli, B. Hubbard, Kostantinos Kordas, G. Houk, H. Keutelian, F. Rimondi, Steve Kuhlmann, B. Flaugher, G. M. Grieco, Duncan Carlsmith, E. H. Low, R. E. Hughes, M. Lindgren, Konstanty Sumorok, D. Connor, J. N. Bellinger, L. Song, T. Fuess, J. P. Marriner, P. de Barbaro, L. Demortier, V. Bolognesi, R. Markeloff, F. DeJongh, A. G. Piacentino, Kiminori Kondo, K. Ragan, Dario Bisello, J. I. Lamoureux, N. S. Lockyer, L. Holloway, M. Mangano, J. Walsh, O. Schneider, J. T. Carroll, J. W. Chapman, A. Bodek, J. Patrick, T. Song, W-M. Yao, E. Pare, G. Punzi, B. L. Winer, R. L. Swartz, Marjorie Shapiro, Y. Ye, E. Meschi, Sung Keun Park, M. Timko, J. Hylen, A. Para, L. Stanco, E. Buckley-Geer, Riccardo Paoletti, A. G. Clark, K. L. Byrum, P. Sinervo, R. Cashmore, G. W. Foster, J. Skarha, T. Baumann, S. Tether, M. Cordelli, G. Busetto, R. G. Wagner, G. Sganos, S. Segler, G. J. Feldman, J. Tseng, W. Chinowsky, R. E. Blair, B. T. Huffman, D. G. Underwood, Aurore Savoy-Navarro, R. K. Plunkett, S. Bhadra, M. Ninomiya, E. Kovacs, William Trischuk, D. A. Kardelis, S. B. Kim, M. Krasberg, R. Grindley, J. Wolinski, T. Meyer, G. Bauer, F. D. Snider, D. W. Gerdes, M. Sheaff, A. Baden, S. Mikamo, M. Miller, Patrizia Azzi, Y. Seiya, J. Tonnison, Kevin Einsweiler, A. Scribano, A. Byon-Wagner, and H. Iso
Subjects: Physics, Quantum chromodynamics, Particle physics, Hadron, General Physics and Astronomy, Elementary particle, Multiplicity (mathematics), Gluon, Nuclear physics, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, Energy (signal processing), Boson
Abstract: In $p\overline{p}$ collisions at $\sqrt{s}=1.8$ TeV we find jet events with a rapidity gap topology. The number of hadrons in the rapidity interval $\ensuremath{\Delta}{\ensuremath{\eta}}_{D}$ between leading-jet cones was sampled by charged tracks with ${P}_{T}g400$ MeV/c. We find excess trackless events beyond that expected in a smooth multiplicity distribution. In a control region outside $\ensuremath{\Delta}{\ensuremath{\eta}}_{D}$ we see no excess. For $\ensuremath{\Delta}{\ensuremath{\eta}}_{D}g0.8$, the fraction of excess trackless events, consistent with estimates based on exchange of color-singlet digluons, is $R(\mathrm{gap})=\frac{{\ensuremath{\sigma}}_{\mathrm{jet}}(\mathrm{gap})}{{\ensuremath{\sigma}}_{\mathrm{jet}}}=0.0085\ifmmode\pm\else\textpm\fi{}{0.0012(\mathrm{stat})}_{\ensuremath{-}0.0012}^{+0.0024}(\mathrm{syst})$.
Published: 1995
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5. Evidence for color coherence inpp¯collisions at √s=1.8 TeV

Author: F. Abe, M. Albrow, D. Amidei, C. Anway-Wiese, G. Apollinari, M. Atac, P. Auchincloss, P. Azzi, N. Bacchetta, A. R. Baden, W. Badgett, M. W. Bailey, A. Bamberger, P. de Barbaro, A. Barbaro-Galtieri, V. E. Barnes, B. A. Barnett, P. Bartalini, G. Bauer, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin, J. Benlloch, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, K. Biery, S. Bhadra, M. Binkley, D. Bisello, R. Blair, C. Blocker, A. Bodek, V. Bolognesi, W. Booth, C. Boswell, G. Brandenburg, D. Brown, E. Buckley-Geer, H. S. Budd, G. Busetto, A. Byon-Wagner, K. L. Byrum, C. Campagnari, M. Campbell, A. Caner, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, A. Castro, Y. Cen, F. Cervelli, K. Chadwick, J. Chapman, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, M. Cobal, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, J. D. Cunningham, C. Day, F. DeJongh, S. Dell’Agnello, M. Dell’Orso, L. Demortier, B. Denby, P. F. Derwent, T. Devlin, M. Dickson, S. Donati, R. B. Drucker, A. Dunn, K. Einsweiler, J. E. Elias, R. Ely, S. Eno, S. Errede, A. Etchegoyen, B. Farhat, M. Frautschi, G. J. Feldman, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, T. Fuess, Y. Fukui, G. Gagliardi, A. F. Garfinkel, A. Gauthier, S. Geer, D. W. Gerdes, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, J. Gonzalez, K. Goulianos, H. Grassmann, G. M. Grieco, R. Grindley, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, B. Harral, R. M. Harris, S. A. Hauger, J. Hauser, C. Hawk, T. Hessing, R. Hollebeek, A. Hölscher, S. Hong, G. Houk, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, J. Hylen, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, L. Keeble, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, D. Kim, S. B. Kim, S. H. Kim, Y. K. Kim, L. Kirsch, K. Kondo, J. Konigsberg, K. Kordas, E. Kovacs, M. Krasberg, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, S. Lammel, J. I. Lamoureux, S. Leone, J. D. Lewis, W. Li, P. Limon, M. Lindgren, T. M. Liss, N. Lockyer, M. Loreti, E. H. Low, D. Lucchesi, C. B. Luchini, P. Lukens, P. Maas, K. Maeshima, M. Mangano, J. P. Marriner, M. Mariotti, R. Markeloff, L. A. Markosky, J. A. J. Matthews, R. Mattingly, P. McIntyre, A. Menzione, E. Meschi, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, J. Mueller, A. Mukherjee, T. Muller, L. F. Nakae, I. Nakano, C. Nelson, D. Neuberger, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, C. Pagliarone, R. Paoletti, V. Papadimitriou, A. Para, E. Pare, S. Park, J. Patrick, G. Pauletta, L. Pescara, T. J. Phillips, A. G. Piacentino, R. Plunkett, L. Pondrom, J. Proudfoot, F. Ptohos, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, W. J. Robertson, T. Rodrigo, T. Rohaly, A. Roodman, W. K. Sakumoto, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, O. Schneider, M. H. Schub, R. Schwitters, G. Sciacca, A. Scribano, S. Segler, S. Seidel, Y. Seiya, G. Sganos, M. Shapiro, N. M. Shaw, M. Sheaff, M. Shochet, J. Siegrist, A. Sill, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, L. Song, T. Song, M. Spahn, P. Sphicas, A. Spies, R. St. Denis, L. Stanco, A. Stefanini, G. Sullivan, K. Sumorok, R. L. Swartz, M. Takano, K. Takikawa, S. Tarem, F. Tartarelli, S. Tether, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, J. Tonnison, W. Trischuk, Y. Tsay, J. Tseng, N. Turini, F. Ukegawa, D. Underwood, S. Vejcik, R. Vidal, R. G. Wagner, R. L. Wagner, N. Wainer, R. C. Walker, J. Walsh, A. Warburton, G. Watts, T. Watts, R. Webb, C. Wendt, H. Wenzel, W. C. Wester, T. Westhusing, S. N. White, A. B. Wicklund, E. Wicklund, H. H. Williams, B. L. Winer, J. Wolinski, D. Y. Wu, X. Wu, J. Wyss, A. Yagil, W. Yao, K. Yasuoka, Y. Ye, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, A. Zanetti, F. Zetti, S. Zhang, W. Zhang, and S. Zucchelli
Subjects: Quantum chromodynamics, Physics, Particle physics, Physics and Astronomy (miscellaneous), Mathematical model, Physics::Instrumentation and Detectors, Monte Carlo method, Detector, Tevatron, Perturbative QCD, Nuclear physics, Physics::Accelerator Physics, High Energy Physics::Experiment, Fermilab, Coherence (physics)
Abstract: Color coherence effects in pp\ifmmode\bar\else\textasciimacron\fi{} collisions are observed and studied with CDF, the Collider Detector at the Fermilab Tevatron collider. We demonstrate these effects by measuring spatial correlations between soft and leading jets in multijet events. Variables sensitive to interference are identified by comparing the data to the predictions of various shower Monte Carlo programs that are substantially different with respect to the implementation of coherence.
Published: 1994
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6. Measurement of theBmeson andbquark cross sections at √s=1.8 TeV using the exclusive decayB0→J/ψK*(892)0

Author: J. T. Carroll, K. Ragan, R. Cashmore, G. Brandenburg, T. Kamon, M. Binkley, M. Cordelli, C. Wendt, M. Sheaff, G. J. Feldman, L. Pondrom, B. T. Huffman, J. A. J. Matthews, A. Bamberger, S. Miscetti, D. A. Kardelis, P. McIntyre, S. Hong, M. Mangano, A. Castro, M. W. Bailey, R. D. Sard, Jae-Chul Yun, N. Giokaris, J. N. Bellinger, J. S. T. Ng, R. C. Walker, M. Roach, W. Zhang, D. Underwood, D. Lucchesi, D. Bisello, P. Giannetti, J. Mueller, E. Pare, P. Schlabach, C. Haber, J. Freeman, R. Kephart, A. Mukherjee, A. Bodek, Y. Fukui, H. Keutelian, D. Benjamin, D. Neuberger, J. Proudfoot, M. Mariotti, A. Etchegoyen, Gong Ping Yeh, G. Pauletta, I. Nakano, G. Sciacca, J. D. Lewis, M. Atac, L. Holloway, R. M. Keup, V. Scarpine, G. M. Grieco, J. J. Walsh, S. Moulding, S. Behrends, M. Dell’Orso, E. Meschi, J. E. Elias, B. Hubbard, P. Limon, S. Dell’Agnello, S. Leone, A. Barbaro-Galtieri, J. Wolinski, R. Vidal, W. K. Sakumoto, K. Yasuoka, D. Quarrie, U. Joshi, M. Franklin, T. Westhusing, F. D. Snider, E. Kearns, M. Albrow, P. Sphicas, A. Scribano, Kostantinos Kordas, M. Ninomiya, A. Para, J. Bensinger, L. Stanco, A. Stefanini, D. Amidei, H. H. Williams, S. Errede, K. Chadwick, G. W. Foster, W. Li, J. Gonzalez, L. A. Markosky, G. Redlinger, H. Grassmann, R. Mattingly, T. Mimashi, F. Rimondi, J. P. Berge, John Wehrley Chapman, J. Huth, G. Piacentino, Marina Cobal, H. Frisch, B. Flaugher, F. Cervelli, P. Sinervo, S. Vejcik, C. Newman-Holmes, C. Nelson, R. Plunkett, T. Ino, M. Timko, S. R. Hahn, M. Loreti, V. E. Barnes, F. DeJongh, S. Zucchelli, Y. Tsay, A. Zanetti, J. D. Cunningham, Y. Seiya, B. Harral, P. Hu, W. Chinowsky, C. Hawk, M. Contreras, J. Skarha, P. de Barbaro, R. Blair, J. Tseng, S. N. White, O. Schneider, P. Auchincloss, T. Hessing, F. Ptohos, S. B. Kim, K. Goulianos, K. Sumorok, A. Savoy-Navarro, R. P. Johnson, T. Rohaly, B. A. Barnett, E. Wicklund, K. Kondo, K. Biery, D. Y. Wu, F. Tartarelli, K. Takikawa, S. Tarem, S. Geer, R. St. Denis, R. B. Drucker, G. Bellettini, L. Keeble, F. Zetti, J. Tonnison, S. Cihangir, F. Ukegawa, Duncan Carlsmith, Dominic Smith, S. Bhadra, M. Frautschi, D. W. Gerdes, G. Watts, F. Bedeschi, C. Campagnari, R. Handler, David Nathan Brown, P. Kesten, P. F. Derwent, P. Giromini, J. Rhoades, M. Dickson, A. R. Baden, L. Kirsch, T. Fuess, L. Ristori, J. Patrick, S. Park, P. Maas, M. Shapiro, T. Muller, W. Carithers, T. Baumann, J. Wyss, R. L. Swartz, P. Lukens, E. Buckley-Geer, K. Einsweiler, S. Bertolucci, V. Bolognesi, S. Eno, F. Abe, D. Theriot, R. L. Wagner, H. S. Budd, R. C. Webb, S. Tether, G. Apollinari, S. Mikamo, A. Roodman, S. Miyashita, D. Crane, W. J. Robertson, W. Badgett, L. Nodulman, S. E. Kuhlmann, J. Hylen, R. M. Harris, N. Turini, J. Siegrist, R. W. Kadel, C. Grosso-Pilcher, W. C. Wester, R. Ely, L. Demortier, T. Song, M. Spahn, D. Connor, M. Lindgren, A. Byon-Wagner, A. Caner, P. Azzi, S. Segler, B. Denby, M. Shochet, M. Krasberg, N. Wainer, A. Gauthier, A. Spies, Jose M. Benlloch, M. Gold, C. B. Luchini, J. Konigsberg, A. Beretvas, M. Takano, S. Ogawa, C. Blocker, L. Pescara, M. Mishina, A. T. Laasanen, S. Tkaczyk, R. Schwitters, E. H. Low, D. DiBitonto, A. Sill, T. Rodrigo, K. L. Byrum, C. Boswell, K. Sliwa, G. Bauer, Shuang Zhang, Y. Ye, G. Busetto, C. Anway-Wiese, P. Tipton, N. M. Shaw, K. Maeshima, E. Kovacs, S. Belforte, R. Carey, J. I. Lamoureux, Y. Cen, R. Hughes, T. Meyer, Y. Morita, R. Paoletti, R. G. Wagner, T. J. Phillips, B. Farhat, B. L. Winer, G. Chiarelli, A. W. Booth, N. Lockyer, T. M. Liss, A. Sansoni, A. Menzione, E. E. Schmidt, G. Punzi, W. Trischuk, S. H. Kim, L. F. Nakae, J. Hauser, Young-Ki Kim, S. Seidel, Xin Wu, M. Incagli, S. Lammel, M. H. Schub, S. A. Hauger, A. F. Garfinkel, A. Yagil, R. Markeloff, T. Devlin, N. Bacchetta, K. Hara, C. Day, A. Tollestrup, A. Dunn, M. Yokoyama, L. Song, C. P. Jessop, A. B. Wicklund, H. Jensen, P. Hurst, G. Houk, S. Kanda, Dohun Kim, R. Grindley, V. Papadimitriou, T. Watts, A. G. Clark, M. Campbell, J. Cooper, L. Gladney, E. Kuns, H. Iso, G. Sullivan, I. Karliner, R. Hollebeek, H. Wenzel, J. P. Marriner, J. Yoh, and M. A. Miller
Subjects: Physics, Particle decay, Particle physics, Meson, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Hadron, Transverse momentum, B meson, Quarkonium, Bottom quark, Collider Detector at Fermilab
Abstract: This paper reports the measurement of the [ital B] meson and [ital b] quark cross sections through the decay chain [ital B][sup 0][r arrow][ital J]/[psi] K[sup *](892)[sup 0], [ital J]/[psi][r arrow][mu][sup +][mu][sup [minus]], [ital K][sup *](892)[sup 0][r arrow][ital K][sup +][pi][sup [minus]], using 4.3 pb[sup [minus]1] of data collected at the Collider Detector at Fermilab in [ital [bar p]p] collisions at [ital qrts]=1.8 TeV. We obtain [sigma][sub [ital B]]=1.5[plus minus]0.7(stat)[plus minus]0.6(syst) [mu]b for [ital B][sup 0] mesons with transverse momentum [ital P][sub [ital T]][gt]9.0 GeV/[ital c] and rapidity [vert bar][ital y][vert bar][lt]1.0. Using this result, we find [sigma][sub [ital b]]=3.7[plus minus]1.6(stat)[plus minus]1.5(syst) [mu]b for [ital b] quarks with [ital P][sub [ital T]][gt]11.5 GeV/[ital c] and rapidity [vert bar][ital y][vert bar][lt]1.0. The [ital b] quark cross section is compared to next-to-leading order QCD calculations and previous measurements.
Published: 1994
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7. Search for the decayD0→μ+μ−

Author: K. Gounder, P. L. McGaughey, J. W. Lillberg, Josh Moss, R. Schnathorst, W. E. Cooper, G. Gidal, M. S. Kowitt, T. A. Carey, Daniel M. Kaplan, V. M. Martin, M. J. Leitch, L. D. Isenhower, J. Sa, V. Tanikella, M. E. Sadler, Kam-Biu Luk, J. S. Kapustinsky, R. S. Preston, C. S. Mishra, D. W. Lane, Leon M. Lederman, C. N. Brown, M. H. Schub, P. K. Teng, R. Childers, C. W. Darden, R. E. Jeppesen, and Jen-Chieh Peng
Subjects: Physics, Particle physics
Published: 1994
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8. Production ofJ/ψ at largexFin 800 GeV/cp-copper andp-beryllium collisions

Author: James R. Wilson, R. S. Preston, V. M. Martin, J. Sa, M. H. Schub, W. E. Cooper, Daniel M. Kaplan, D. W. Lane, J. G. Boissevain, Kam Biu Luk, Pei-Ming Ho, R. Childers, J. S. Kapustinsky, H. Glass, M. S. Kowitt, M. J. Leitch, G. Gidal, T. A. Carey, C. W. Darden, Josh Moss, R. Schwindt, Leon M. Lederman, K. Gounder, P. K. Teng, W. Luebke, P. L. McGaughey, D. Pripstein, R. Schnathorst, J. W. Lillberg, D. M. Jansen, C. N. Brown, L. D. Isenhower, Yi-Chun Chen, Jen-Chieh Peng, C. S. Mishra, R. G. Jeppesen, G. C. Kiang, M. E. Sadler, and V. Tanikella
Subjects: Physics, Particle physics, General Physics and Astronomy, Duality (optimization), chemistry.chemical_element, Parton, Copper, law.invention, Cross section (geometry), Nuclear physics, chemistry, law, Production (computer science), Charm (quantum number), Beam dump, Beryllium
Abstract: The differential cross sections do/dxF for J/G produced inclusively in 800 GeV/c p-Cn and pBe collisions have been measured in the kinematic range 0.30 5 IF < 0.95 through the decay mode J/G + p+p-. They are compared with the predictions of the semilocal duality model for several sets of parton density functions. No evidence for a suggested intrinsic charm contribution to the cross section is observed. The ratio of the differential cross sections for Cu and Be targets confirms the suppression of J/$ production in heavy nuclei at large ZF.
Published: 1994
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9. Measurement of Drell-Yan electron and muon pair differential cross sections inp¯pcollisions ats=1.8TeV

Author: Robert M Harris, S. Bertolucci, A. Mukherjee, Weiya Zhang, J. P. Berge, M. Sheaff, A. Baden, P. Hurst, George Redlinger, Andrea Castro, C. Boswell, S. Mikamo, S. Miyashita, J. Wyss, K. Sliwa, M. Roach, S. Cihangir, R. B. Drucker, A. Dunn, W. C. Wester, F. Zetti, C. Hawk, M. Miller, Patrizia Azzi, D. Lucchesi, K. Biery, J. I. Lamoureux, S. Vejcik, Luca Stanco, C. Haber, Umesh Joshi, E. Kuns, T. Ino, T. Baumann, P. Hu, R. St. Denis, P. Auchincloss, Chris Wendt, D. G. Underwood, J. Cooper, R. M. Keup, S. H. Kim, W. Carithers, M. Dell'Orso, T. L. Watts, Y. Seiya, M. Cordelli, A. Hölscher, J. C. Yun, M. Takano, E. Kearns, F. Ptohos, W. J. Robertson, R. G. Wagner, N. Bacchetta, Jay Hauser, D. Benjamin, A. Sill, S. Bhadra, Yongsun Kim, Nikos Giokaris, E. Kovacs, S. Tkaczyk, M. Gold, Sebastian N. White, Catherine Newman-Holmes, P. F. Derwent, J. Skarha, G. Sganos, R. W. Kadel, C. Day, Stefano Belforte, R. Ely, Henrik Jeldtoft Jensen, Giorgio Chiarelli, N. S. Lockyer, A. G. Piacentino, T. Rodrigo, G. F. Sciacca, T. Rohaly, J. Tonnison, A. Etchegoyen, W. Badgett, William Trischuk, R. P. Johnson, X. Wu, M. Campbell, G. P. Yeh, D. Connor, J. N. Bellinger, Tony Liss, S. Zucchelli, D. Crane, T. Mimashi, M. Dickson, P. Giannetti, M. W. Bailey, S. A. Hauger, G. J. Feldman, L. Song, T. Fuess, R. Handler, T. Hessing, Y. Ye, R. Mattingly, D. N. Brown, L. A. Markosky, Doyeong Kim, J. Tseng, H. Keutelian, Steve Kuhlmann, L. E. Kirsch, T. J. Phillips, E. Pare, G. Punzi, B. L. Winer, M. Mishina, J. Hylen, A. Para, H. Wenzel, Y. Morita, S. Leone, Gordon Watts, W. Chinowsky, Fumihiko Ukegawa, H. S. Budd, Andrea Sansoni, Marina Cobal, D. Neuberger, P. Lukens, K. Yasuoka, R. E. Blair, K. Bloom, R. Carey, J. P. Marriner, R. Cashmore, J. D. Cunningham, G. Bellettini, G. W. Foster, Kevin Einsweiler, D. A. Kardelis, F. Cervelli, Wen Li, J. A.J. Matthews, S. Miscetti, S. Dell'Agnello, L. Ristori, P. Schlabach, S. B. Kim, A. Bodek, K. Chadwick, S. Tether, P. Limon, Shlomit Tarem, C. Nelson, V. Papadimitriou, B. Denby, R. C. Webb, W. K. Sakumoto, S. Geer, A. Roodman, J. D. Lewis, C. Campagnari, A. Bamberger, C. Grosso-Pilcher, S. Behrends, P. Kesten, R. Grindley, G. Sullivan, A. B. Wicklund, J. Wolinski, T. Meyer, T. Westhusing, A. Gauthier, James Bensinger, A. Spies, Andrew Beretvas, S. Eno, A. W. Booth, Kazuhiko Hara, M. Loreti, Kostantinos Kordas, R. Kephart, B. Hubbard, R. C. Walker, Kiminori Kondo, E. H. Low, Sally Seidel, P. Maas, B. A. Barnett, L. Keeble, Giorgio Apollinari, R. E. Hughes, R. L. Swartz, Marjorie Shapiro, F. Rimondi, G. Bauer, F. D. Snider, E. E. Schmidt, G. Houk, B. Flaugher, G. M. Grieco, K. L. Byrum, J. Gonzalez, F. Bedeschi, Yasuo Fukui, B. Harral, L. Pondrom, F. DeJongh, Nicola Turini, A. T. Laasanen, D. A. Smith, A. Byon-Wagner, H. Iso, Lawrence Nodulman, E. Buckley-Geer, G. Busetto, S. R. Hahn, Riccardo Paoletti, D. W. Gerdes, I. Karliner, P. Giromini, R. J. Hollebeek, E. Meschi, Sung Keun Park, J. E. Elias, R. Markeloff, D. Y. Wu, P. Sinervo, Andreas Warburton, A. Scribano, Teruki Kamon, Dario Bisello, C. P. Jessop, Y. Tsay, T. Song, M. Franklin, J. Siegrist, Hong Sj, S. Kanda, H. Grassmann, J. Rhoades, Craig Blocker, I. Nakano, R. Vidal, R. L. Wagner, K. Goulianos, G. W. Brandenburg, Henry J. Frisch, L. Pescara, J. C. Freeman, E. Wicklund, S. Ogawa, Aurore Savoy-Navarro, M. Binkley, S. Zhang, P. de Barbaro, A. Barbaro-Galtieri, L. Gladney, M. G. Albrow, K. Ragan, J. Huth, Kaori Maeshima, Alan Garfinkel, L. Demortier, P. McIntyre, James Proudfoot, M. J. Shochet, M. H. Schub, V. Bolognesi, A. Zanetti, M. Incagli, Konstanty Sumorok, D. Theriot, O. Schneider, J. T. Carroll, J. W. Chapman, J. S T Ng, H. H. Williams, Duncan Carlsmith, A. Stefanini, M. Spahn, M. Atac, Y. Cen, S. Segler, B. Farhat, A. Tollestrup, Roy F Schwitters, M. Krasberg, S. Moulding, C. B. Luchini, Fumio Abe, M. Frautschi, T. Devlin, Jose M. Benlloch, K. Takikawa, B. T. Huffman, N. Wainer, R. K. Plunkett, J. Mueller, M. Ninomiya, N. M. Shaw, J. Yoh, R. D. Sard, Paul Tipton, D. Dibitonto, M. Timko, D. Quarrie, D. Amidei, M. Yokoyama, M. Lindgren, M. Mariotti, S. Errede, L. Holloway, J. Patrick, P. Sphicas, F. Tartarelli, V. Scarpine, Virgil E Barnes, A. Caner, T. Muller, S. Lammel, A. Menzione, M. Mangano, J. Walsh, A. G. Clark, C. Anway-Wiese, G. Pauletta, M. Contreras, J. Konigsberg, Avraham Yagil, and L. F. Nakae
Subjects: Quantum chromodynamics, Physics, Nuclear physics, Particle physics, Muon, Pair production, Drell–Yan process, Interval (graph theory), Elementary particle, Parton, Lepton
Abstract: We measure the Drell-Yan differential cross section [ital d][sup 2][sigma]/[ital dM] d[ital y][vert bar][sub [vert bar][ital y][vert bar][lt]1] over the mass range 11[lt][ital M][lt]150 GeV/[ital c][sup 2] using dielectron and dimuon data from [ital [bar p]p] collisions at a center-of-mass energy of [radical][ital s] =1.8 TeV. Our results show the 1/[ital M][sup 3] dependence that is expected from the naive Drell-Yan model. In comparison to the predictions of recent QCD calculations we find our data favor those parton distribution functions with the largest quark contributions in the [ital x] interval 0.006 to 0.03.
Published: 1994
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10. Search for first-generation leptoquarks inp¯pcollisions ats=1.8TeV

Author: M. Timko, M. Gold, S. Segler, B. T. Huffman, M. Sheaff, A. Baden, R. K. Plunkett, M. Ninomiya, F. Ptohos, W. J. Robertson, S. A. Hauger, Shlomit Tarem, R. W. Kadel, G. Piacentino, R. Vidal, A. Mukherjee, P. Hurst, A. Bamberger, B. A. Barnett, L. Keeble, Giorgio Apollinari, R. C. Walker, Teruki Kamon, S. R. Hahn, I. Karliner, B. Denby, Konstanty Sumorok, Jay Hauser, George Redlinger, S. Mikamo, A. Etchegoyen, R. P. Johnson, P. Sphicas, C. Anway-Wiese, D. Benjamin, H. Wenzel, A. Sill, Craig Blocker, J. I. Lamoureux, R. C. Webb, J. Wyss, M. Campbell, D. A. Smith, P. Giannetti, Kaori Maeshima, M. Miller, Patrizia Azzi, Marina Cobal, F. Tartarelli, V. Scarpine, M. W. Bailey, I. Nakano, Virgil E Barnes, T. Hessing, B. Hubbard, Peter McIntyre, Doyeong Kim, R. Handler, G. Pauletta, M. Contreras, J. D. Cunningham, Sally Seidel, Y. Tsay, M. Spahn, G. Bellettini, R. Ely, S. Vejcik, A. Caner, H. H. Williams, S. Eno, Y. Seiya, Lawrence Nodulman, S. Dell'Agnello, F. Zetti, C. Hawk, T. Westhusing, A. W. Booth, A. Stefanini, D. Connor, J. Konigsberg, D. A. Kardelis, Stefano Belforte, J. N. Bellinger, S. Lammel, R. Markeloff, A. Menzione, Avraham Yagil, W. Carithers, C. P. Jessop, S. Kanda, H. Grassmann, J. Rhoades, E. Kuns, S. B. Kim, Henrik Jeldtoft Jensen, M. Atac, M. Roach, J. Mueller, N. Bacchetta, O. Schneider, S. Miscetti, J. Huth, C. Haber, T. L. Watts, Alan Garfinkel, Dario Bisello, D. Lucchesi, K. Biery, R. L. Wagner, M. Krasberg, K. Goulianos, S. Tkaczyk, L. Ristori, F. DeJongh, N. M. Shaw, T. Ino, R. Grindley, J. A.J. Matthews, J. Wolinski, T. Meyer, S. Patrick, Robert M Harris, M. H. Schub, A. Hölscher, L. F. Nakae, Chris Wendt, B. Farhat, L. A. Markosky, Roy F Schwitters, P. de Barbaro, G. P. Yeh, M. Takano, E. Kearns, E. Meschi, Sung Keun Park, F. Rimondi, T. Rohaly, S. Moulding, J. Gonzalez, F. Bedeschi, B. Harral, S. Zhang, Andrea Sansoni, C. B. Luchini, M. Frautschi, G. Houk, Catherine Newman-Holmes, P. F. Derwent, G. Bauer, Andrea Castro, F. D. Snider, J. Yoh, Fumio Abe, K. Ragan, C. Campagnari, Y. Ye, Tony Liss, S. Bhadra, R. Mattingly, D. N. Brown, D. Crane, T. Baumann, M. Yokoyama, B. Flaugher, E. Pare, G. Punzi, B. L. Winer, K. Yasuoka, G. M. Grieco, M. Loreti, R. Kephart, K. Takikawa, P. Hu, R. Carey, N. Wainer, T. Mimashi, M. Dickson, J. Hylen, A. Para, A. Barbaro-Galtieri, L. Gladney, T. J. Phillips, R. St. Denis, M. Cordelli, L. Stanco, R. G. Wagner, G. W. Foster, M. Lindgren, M. Mariotti, M. Mangano, D. W. Gerdes, J. Walsh, S. Leone, L. Demortier, V. Bolognesi, J. P. Marriner, W. Zhang, M. J. Shochet, Y. Morita, G. Sganos, A. Scribano, J. D. Lewis, Nicola Turini, A. T. Laasanen, A. Zanetti, H. S. Budd, J. Tonnison, A. G. Clark, V. Papadimitriou, R. Cashmore, S. Miyashita, W. C. Wester, James Proudfoot, L. Holloway, Andrew Beretvas, S. Bertolucci, G. J. Feldman, J. T. Carroll, Kostantinos Kordas, J. Tseng, E. H. Low, M. Binkley, R. E. Hughes, J. P. Berge, C. Boswell, Kevin Einsweiler, M. G. Albrow, J. W. Chapman, J. S T Ng, W. Chinowsky, R. E. Blair, D. G. Underwood, S. Tether, R. B. Drucker, P. Lukens, P. Auchincloss, W. K. Sakumoto, S. Geer, G. Sullivan, C. Grosso-Pilcher, T. Song, Aurore Savoy-Navarro, E. Kovacs, N. S. Lockyer, J. Skarha, William Trischuk, F. Cervelli, Wen Li, P. Schlabach, L. Pescara, C. Nelson, P. Kesten, Kiminori Kondo, A. Byon-Wagner, H. Iso, R. J. Hollebeek, J. Siegrist, Hong Sj, M. Dell'Orso, C. Day, G. F. Sciacca, W. Badgett, L. Song, T. Fuess, L. E. Kirsch, D. Amidei, R. L. Swartz, Marjorie Shapiro, E. Buckley-Geer, Riccardo Paoletti, S. Errede, P. Sinervo, Henry J. Frisch, T. Muller, M. Franklin, J. C. Freeman, S. Cihangir, R. D. Sard, Paul Tipton, J. C. Yun, Yongsun Kim, Nikos Giokaris, Sebastian N. White, D. Dibitonto, Giorgio Chiarelli, K. L. Byrum, G. Busetto, P. Giromini, T. Rodrigo, D. Quarrie, Gordon Watts, K. Chadwick, P. Limon, D. Neuberger, A. Spies, L. Pondrom, E. Wicklund, J. E. Elias, M. Mishina, Fumihiko Ukegawa, S. Behrends, A. B. Wicklund, E. E. Schmidt, D. Y. Wu, G. W. Brandenburg, S. Ogawa, S. Zucchelli, M. Incagli, H. Keutelian, D. Theriot, Steve Kuhlmann, Duncan Carlsmith, A. Bodek, Y. Cen, A. Tollestrup, Umesh Joshi, J. Cooper, T. Devlin, R. M. Keup, S. H. Kim, Jose M. Benlloch, X. Wu, K. Sliwa, A. Roodman, A. Gauthier, James Bensinger, Kazuhiko Hara, P. Maas, and Yasuo Fukui
Subjects: Physics, Particle decay, High energy, Particle physics, Coupling strength, Branching fraction, Signal region, Leptoquark, Lambda, First generation
Abstract: We present results of a search for a first-generation leptoquark [ital scrS][sub 1] in [ital [bar p]p] collisions at [radical][ital s] =1.8 TeV at the Fermilab Tevatron. Using 4.05 pb[sup [minus]1] of data collected during the 1988--1989 CDF run, we have searched for evidence of [ital scrS][sub 1][ital scr[bar S]1] production assuming that each leptoquark decays to an electron+quark pair with a branching ratio [beta]. Three events with two high energy electrons and two high energy jets were found, but are consistent with [ital Z][sup 0] decay. No events were found in the signal region. Assuming a short lived scalar leptoquark with Yukawa coupling strength [lambda][approx gt]2[times]10[sup [minus]7], we exclude [sigma][beta][sup 2][gt]55(4.0) pb at 95% C.L. for [ital M][sub [ital s][ital c][ital r][ital S]]=45(125) GeV/[ital c][sup 2]. Using a Monte Carlo prediction for [sigma]([ital [bar p]p][r arrow][ital scrS][sub 1][ital scr[bar S]1]+[ital X]), we exclude [ital M][sub [ital s][ital c][ital r][ital S]][lt]113(80) GeV/[ital c][sup 2] for [beta]=100(50)%.
Published: 1993
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11. Inclusiveχcandb-quark production inp¯pcollisions at √s=1.8 TeV

Author: B. Hubbard, Luciano Ristori, A. Tollestrup, T. Devlin, Jose M. Benlloch, Andrea Sansoni, P. Hurst, George Redlinger, A. Savoy-Navarro, R. Markeloff, R. W. Kadel, L. Pondrom, E. Wicklund, M. Roach, K. Yasuoka, M. Yokoyama, Paola Giannetti, B. A. Barnett, L. Keeble, Giorgio Apollinari, Dario Bisello, D. G. Underwood, J. Wolinski, S. Ogawa, J. E. Elias, V. Papadimitriou, J. Wyss, M. Mishina, Fumihiko Ukegawa, Stefano Belforte, A. B. Wicklund, Teruki Kamon, M. Lindgren, Craig Blocker, Kaori Maeshima, L. F. Nakae, H. Wenzel, E. E. Schmidt, D. W. Gerdes, D. Y. Wu, K. Kordas, M. Incagli, E. Kovacs, G. W. Brandenburg, C. Wendt, S. Segler, D. Theriot, W. Carithers, T. L. Watts, Richard Hughes, Thomas Müller, Henrik Jeldtoft Jensen, M. Spahn, Andrew Beretvas, J. Cooper, R. M. Keup, Duncan Carlsmith, M. Miller, Mark Campbell, Bt Huffman, S. A. Hauger, S. H. Kim, R. Kephart, T. Rohaly, S. Miscetti, Mosè Mariotti, D. Lucchesi, S. E. Kuhlmann, M. Dickson, Alan Sill, D. Crane, Gordon Watts, G. Punzi, Nicola Bacchetta, Stephan Lammel, L. Holloway, P. Schlabach, S. Behrends, M. Ninomiya, M. Mangano, J. C.L. Tseng, J. Gonzalez, K. Chadwick, Claudio Campagnari, N. M. Shaw, B. Harral, A. Spies, F. Ptohos, Sandra Leone, Y. Ye, R. Mattingly, H. S. Budd, J. Patrick, T. Baumann, R. C. Webb, A. Barbaro-Galtieri, H. Keutelian, W. J. Robertson, D. Amidei, H. H. Williams, J. Hylen, A. Para, G. W. Foster, Bruce Denby, W. K. Sakumoto, R. St. Denis, A. Mukherjee, K. Sliwa, D. R. Quarrie, William Trischuk, V. Scarpine, Virgil E Barnes, J. Yoh, N. Wainer, A. G. Piacentino, M. Cordelli, A. Stefanini, S. Geer, L. A. Markosky, O. Schneider, S. Errede, Henry J. Frisch, M. Timko, E. Kuns, R. C. Walker, C. Anway-Wiese, C. T. Day, T. A. Fuess, W. C. Wester, T. Ino, Dominic Smith, L. Stanco, S. Park, T. Westhusing, M. Franklin, D. P. Benjamin, G. Busetto, Brian L Winer, T. Hessing, H. Grassmann, J. D. Lewis, W. Badgett, C. Grosso-Pilcher, Xin Wu, F. Zetti, C. Hawk, A. Menzione, Giovanni Bellettini, R. M. Harris, Rolland P. Johnson, M. Atac, Seungbum Hong, A. Hölscher, J. C. Freeman, R. G. Wagner, N. S. Lockyer, M. Takano, G. Pauletta, S. Tkaczyk, D. Neuberger, Y. Cen, E. Pare, Andreas Warburton, E. H. Low, J. Siegrist, U. Joshi, G. Houk, A. Bodek, S. Cihangir, G. Sganos, A. Etchegoyen, T. M. Liss, J. P. Marriner, A. Scribano, R. Carey, A. G. Clark, K. Ragan, Marina Cobal, P. Hu, Robert P. Ely, R. K. Plunkett, A. Roodman, T. C. Meyer, Catherine Newman-Holmes, A. Gauthier, F. DeJongh, J. Proudfoot, Roy F Schwitters, T. Song, S. B. Kim, M. G. Albrow, M. W. Bailey, S. Moulding, R. D. Sard, J. Skarha, Kazuhiko Hara, Paul Tipton, R. Handler, G. P. Yeh, C. B. Luchini, J. D. Cunningham, P. Maas, J. A.J. Matthews, Yasuo Fukui, I. Karliner, G. J. Feldman, D. H. Kim, R. Vidal, S. Tether, M. Binkley, M. Frautschi, S. Dell'Agnello, T. Mimashi, D. N. Brown, J. C. Yun, Yongsun Kim, Itsuo Nakano, Teresa Rodrigo, P. Lukens, L. Song, S. R. Hahn, Jacobo Konigsberg, J. R. Bensinger, Alan Garfinkel, P. McIntyre, M. H. Schub, M. Loreti, S. Zucchelli, R. E. Blair, Y. Tsay, T. J. Phillips, Larry D. Gladney, Y. Morita, M. Krasberg, B. Flaugher, G. M. Grieco, F. Rimondi, K. Biery, Nicola Turini, A. T. Laasanen, Giorgio Chiarelli, Jay Hauser, Sanchita Bhadra, R. L. Swartz, Marjorie Shapiro, G. Sullivan, Kiminori Kondo, J. J. Walsh, A. Bamberger, E. Buckley-Geer, Riccardo Paoletti, Konstanty Sumorok, P. Sinervo, A. W. Booth, A. Caner, D. Connor, S. Bertolucci, J. N. Bellinger, Weiya Zhang, J. P. Berge, R. J. Cashmore, C. Boswell, R. B. Drucker, K. L. Byrum, P. Giromini, A. Castro, P. Auchincloss, Anna Zanetti, L. Pescara, B. Farhat, W-M. Yao, E. Meschi, L. Demortier, Fumio Abe, K. Takikawa, V. Bolognesi, M. J. Shochet, J. T. Carroll, S. Vejcik, P. Limon, John Huth, J. S T Ng, J. W. Chapman, James Mueller, Mauro Dell'Orso, C. Haber, F. Cervelli, Wen Li, A. Yagil, C. Nelson, P. Kesten, Paraskevas Sphicas, N. Giokaris, Shuang Zhang, E. Kearns, G. F. Sciacca, A. Dunn, L. E. Kirsch, A. Byon-Wagner, H. Iso, P. F. Derwent, R. J. Hollebeek, J. I. Lamoureux, M. Gold, William Chinowsky, D. A. Kardelis, Shlomit Tarem, Sally Seidel, R. Grindley, L. Nodulman, C. P. Jessop, S. Kanda, J. Rhoades, R. L. Wagner, K. Goulianos, Sarah Catherine Eno, G. Bauer, F. D. Snider, P. de Barbaro, Franco Bedeschi, F. Tartarelli, M. Contreras, M. Sheaff, A. Baden, S. Mikamo, Patrizia Azzi, Y. Seiya, S. N. White, J. Tonnison, S. Miyashita, and Kevin Einsweiler
Subjects: Physics, Statistics::Theory, Particle physics, Statistics::Applications, Branching fraction, General Physics and Astronomy, Sigma baryon, Xi baryon, J/psi meson, Particle decay, Pseudorapidity, High Energy Physics::Experiment, Production (computer science), Collider Detector at Fermilab
Abstract: We report the full reconstruction of ${\mathrm{\ensuremath{\chi}}}_{\mathit{c}}$ mesons through the decay chain ${\mathrm{\ensuremath{\chi}}}_{\mathit{c}}$\ensuremath{\rightarrow}J/\ensuremath{\psi} \ensuremath{\gamma}, J/\ensuremath{\psi}\ensuremath{\rightarrow}${\mathrm{\ensuremath{\mu}}}^{+}$${\mathrm{\ensuremath{\mu}}}^{\mathrm{\ensuremath{-}}}$, using data obtained at the Collider Detector at Fermilab in 2.6\ifmmode\pm\else\textpm\fi{}0.2 ${\mathrm{pb}}^{\mathrm{\ensuremath{-}}1}$ of p\ifmmode\bar\else\textasciimacron\fi{}p collisions at \ensuremath{\surd}s =1.8 TeV. This exclusive ${\mathrm{\ensuremath{\chi}}}_{\mathit{c}}$ sample is used to measure the ${\mathrm{\ensuremath{\chi}}}_{\mathit{c}}$-meson production cross section times branching fractions. We obtain \ensuremath{\sigma}\ifmmode\times\else\texttimes\fi{}B=3.2\ifmmode\pm\else\textpm\fi{}0.4(stat${)}_{\mathrm{\ensuremath{-}}1.1}^{+1.2}$(syst) nb for ${\mathrm{\ensuremath{\chi}}}_{\mathit{c}}$ mesons decaying to J/\ensuremath{\psi} with ${\mathit{p}}_{\mathit{T}}$g6.0 GeV/c and pseudorapidity \ensuremath{\Vert}\ensuremath{\eta}\ensuremath{\Vert}0.5. From this and the inclusive J/\ensuremath{\psi} cross section we calculate the inclusive b-quark cross section to be 12.0\ifmmode\pm\else\textpm\fi{}4.5 \ensuremath{\mu}b for ${\mathit{p}}_{\mathit{T}}^{\mathit{b}}$g8.5 GeV/c and \ensuremath{\Vert}${\mathit{y}}^{\mathit{b}}$\ensuremath{\Vert}1.
Published: 1993
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12. Prompt photon cross section measurement inp¯pcollisions ats=1.8TeV

Author: Andrea Sansoni, J. D. Lewis, D. G. Underwood, J. Tonnison, S. Vejcik, K. Yasuoka, A. Scribano, V. Papadimitriou, D. W. Gerdes, E. Kovacs, S. Tkaczyk, G. Busetto, P. Giromini, J. Skarha, Y. Tsay, Jay Hauser, E. H. Low, William Trischuk, Andrew Beretvas, D. Benjamin, S. Miyashita, W. C. Wester, A. Sill, G. P. Yeh, M. J. Shochet, Tony Liss, A. Zanetti, T. L. Watts, T. Rodrigo, J. S T Ng, M. Mangano, Kevin Einsweiler, R. Ely, S. Eno, T. Mimashi, T. J. Phillips, M. Binkley, A. W. Booth, B. Farhat, G. Sganos, Y. Morita, T. Song, Fumio Abe, M. Roach, K. Biery, D. Lucchesi, M. G. Albrow, T. Rohaly, K. Takikawa, P. Sphicas, F. Tartarelli, V. Scarpine, Virgil E Barnes, D. Connor, J. Walsh, P. Hurst, Gordon Watts, Lawrence Nodulman, J. N. Bellinger, George Redlinger, D. Crane, T. Hessing, W. Carithers, J. Wyss, D. A. Kardelis, S. B. Kim, F. DeJongh, B. A. Barnett, L. Keeble, A. Caner, A. G. Clark, M. Dell'Orso, Doyeong Kim, R. Grindley, Chris Wendt, A. Tollestrup, D. Neuberger, M. Krasberg, E. Meschi, Sung Keun Park, J. Konigsberg, E. Kuns, S. Leone, J. Wolinski, Giorgio Apollinari, J. I. Lamoureux, T. Meyer, S. Lammel, Teruki Kamon, A. Menzione, T. Devlin, H. S. Budd, P. Lukens, S. Tether, K. Chadwick, Avraham Yagil, G. Sullivan, Jose M. Benlloch, T. Westhusing, O. Schneider, Craig Blocker, Henry J. Frisch, R. Mattingly, D. N. Brown, A. Spies, Kaori Maeshima, E. Pare, G. Punzi, B. L. Winer, S. Cihangir, G. Bauer, F. D. Snider, T. Baumann, R. D. Sard, Paul Tipton, A. Mukherjee, A. Barbaro-Galtieri, L. Gladney, M. Cordelli, L. Pondrom, E. Wicklund, M. Gold, M. Mishina, C. Day, I. Nakano, C. Campagnari, B. Hubbard, J. P. Marriner, R. Cashmore, L. A. Markosky, R. G. Wagner, L. F. Nakae, Fumihiko Ukegawa, J. E. Elias, F. Rimondi, D. Amidei, S. Behrends, M. Loreti, Shlomit Tarem, W. Badgett, M. Sheaff, A. Baden, S. Segler, A. B. Wicklund, L. Pescara, M. Yokoyama, J. C. Yun, R. Markeloff, R. Kephart, Robert M Harris, Yongsun Kim, B. Flaugher, A. Bamberger, M. Franklin, E. E. Schmidt, R. Carey, M. Lindgren, R. Hughes, Nikos Giokaris, F. Zetti, C. Hawk, G. M. Grieco, S. Mikamo, M. Mariotti, M. Spahn, K. Ragan, Nicola Turini, Sebastian N. White, A. T. Laasanen, L. Demortier, V. Bolognesi, Andrea Castro, G. J. Feldman, J. Tseng, D. Y. Wu, C. Anway-Wiese, C. Haber, L. E. Kirsch, J. C. Freeman, Giorgio Chiarelli, Dario Bisello, H. Wenzel, M. Miller, Patrizia Azzi, S. Errede, W. Chinowsky, R. E. Blair, R. L. Wagner, F. Cervelli, Wen Li, Marina Cobal, J. D. Cunningham, L. Holloway, G. Bellettini, L. Song, T. Fuess, K. Goulianos, P. Schlabach, R. St. Denis, J. T. Carroll, G. Pauletta, M. Contreras, C. Nelson, James Proudfoot, G. W. Brandenburg, J. Patrick, P. Hu, J. W. Chapman, S. Ogawa, H. H. Williams, Y. Ye, Y. Seiya, P. Kesten, S. Zhang, R. K. Plunkett, T. Muller, T. Ino, A. Stefanini, N. Wainer, M. Atac, Aurore Savoy-Navarro, Kiminori Kondo, Stefano Belforte, S. Bhadra, R. L. Swartz, Marjorie Shapiro, P. de Barbaro, D. Dibitonto, L. Stanco, Roy F Schwitters, C. B. Luchini, M. Takano, Riccardo Paoletti, E. Kearns, Henrik Jeldtoft Jensen, M. Incagli, A. Byon-Wagner, H. Iso, R. J. Hollebeek, P. Sinervo, J. Hylen, A. Para, G. W. Foster, P. Limon, S. Miscetti, D. Quarrie, D. Theriot, C. P. Jessop, S. Kanda, H. Grassmann, J. Rhoades, S. Bertolucci, Catherine Newman-Holmes, P. F. Derwent, Weiya Zhang, J. Siegrist, Hong Sj, L. Ristori, J. P. Berge, E. Buckley-Geer, C. Boswell, Bt Huffman, S. A. Hauger, Duncan Carlsmith, R. B. Drucker, M. Dickson, J. Mueller, Nicola Bacchetta, B. Denby, P. Auchincloss, F. Ptohos, W. J. Robertson, J. Gonzalez, F. Bedeschi, R. W. Kadel, B. Harral, C. Yi, K. Kordas, R. C. Webb, M. Ninomiya, A. Etchegoyen, R. P. Johnson, N. M. Shaw, M. Campbell, D. A. Smith, P. Giannetti, M. W. Bailey, S. Moulding, R. Handler, S. Dell'Agnello, J. Yoh, R. C. Walker, S. R. Hahn, I. Karliner, Konstanty Sumorok, N. S. Lockyer, M. Timko, R. Vidal, J. Huth, Alan Garfinkel, P. McIntyre, M. H. Schub, W. K. Sakumoto, S. Geer, C. Grosso-Pilcher, G. Houk, A. Roodman, A. Gauthier, James Bensinger, Kazuhiko Hara, P. Maas, Yasuo Fukui, S. Zucchelli, H. Keutelian, Steve Kuhlmann, A. Bodek, Umesh Joshi, J. Cooper, R. M. Keup, S. H. Kim, K. L. Byrum, and K. Sliwa
Subjects: Quantum chromodynamics, Physics, Particle physics, Photon, Computer Science::Information Retrieval, law.invention, Nuclear physics, Cross section (physics), law, Transverse momentum, High Energy Physics::Experiment, Fermilab, Quantum field theory, Particle collision, Collider
Abstract: The first prompt photon measurement from the CDF experiment at the Fermilab [ital p[bar p]] Collider is presented. Two independent methods are used to measure the cross section: one for high transverse momentum ([ital P][sub [ital T]]) and one for lower [ital P][sub [ital T]]. Comparisons to various theoretical calculations are shown. The cross section agrees qualitatively with QCD calculations but has a steeper slope at low [ital P][sub [ital T]].
Published: 1993
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13. Measurement of the dijet mass distribution inpp¯collisions ats=1.8TeV

Author: M. J. Shochet, S. Eno, A. W. Booth, P. Hurst, L. Demortier, V. Bolognesi, A. Zanetti, George Redlinger, S. Cihangir, F. DeJongh, Stefano Belforte, Henrik Jeldtoft Jensen, L. A. Markosky, S. Miscetti, L. Ristori, J. Wyss, E. Meschi, J. T. Carroll, Sung Keun Park, J. S T Ng, F. Ptohos, Umesh Joshi, J. Cooper, P. Sphicas, W. Carithers, N. Bacchetta, J. W. Chapman, Y. Tsay, W. J. Robertson, R. Carey, T. L. Watts, R. M. Keup, S. H. Kim, M. Sheaff, A. Baden, M. Mishina, J. Gonzalez, F. Bedeschi, F. Tartarelli, V. Scarpine, Virgil E Barnes, B. Harral, R. W. Kadel, Jay Hauser, D. Benjamin, B. Farhat, E. Kuns, Fumio Abe, C. Yi, T. Rohaly, H. H. Williams, S. Mikamo, A. Etchegoyen, D. Crane, R. P. Johnson, S. Behrends, A. B. Wicklund, A. Caner, X. Wu, K. Sliwa, A. Stefanini, M. Miller, M. Atac, R. Mattingly, Patrizia Azzi, M. Campbell, D. A. Smith, P. Giannetti, A. Sill, T. Baumann, M. Cordelli, R. G. Wagner, J. C. Yun, M. W. Bailey, S. Moulding, S. Leone, K. Takikawa, G. Piacentino, E. E. Schmidt, D. Y. Wu, S. Lammel, A. Menzione, A. Roodman, A. Gauthier, James Bensinger, A. Scribano, Roy F Schwitters, R. Handler, M. Franklin, S. Tkaczyk, R. Ely, G. Sganos, Kazuhiko Hara, H. S. Budd, Sally Seidel, C. B. Luchini, M. Frautschi, Yongsun Kim, P. Maas, G. W. Brandenburg, J. D. Lewis, R. C. Walker, W. Zhang, Nikos Giokaris, G. P. Yeh, S. Dell'Agnello, J. C. Freeman, G. J. Feldman, Y. Seiya, D. Connor, J. Tseng, A. Mukherjee, D. Dibitonto, Yasuo Fukui, P. Lukens, N. Wainer, Tony Liss, Sebastian N. White, B. Hubbard, D. A. Kardelis, G. Sullivan, S. R. Hahn, I. Karliner, W. Chinowsky, L. Stanco, S. B. Kim, J. N. Bellinger, R. E. Blair, Kostantinos Kordas, H. Wenzel, T. Mimashi, M. Dickson, S. Zucchelli, E. H. Low, Giorgio Chiarelli, Marina Cobal, A. Tollestrup, M. Yokoyama, M. Krasberg, R. Grindley, F. Rimondi, R. E. Hughes, B. Flaugher, G. M. Grieco, T. J. Phillips, H. Keutelian, Steve Kuhlmann, A. Spies, J. Wolinski, T. Devlin, J. D. Cunningham, G. Bellettini, Y. Morita, Konstanty Sumorok, L. Pondrom, E. Wicklund, Jose M. Benlloch, L. Pescara, T. Meyer, Lawrence Nodulman, M. Lindgren, M. Mariotti, R. Markeloff, J. E. Elias, A. Bodek, S. Zhang, F. Zetti, C. Hawk, G. Bauer, F. D. Snider, J. A.J. Matthews, S. Tether, A. Barbaro-Galtieri, L. Gladney, M. Mangano, M. Binkley, P. Limon, J. Mueller, S. Bhadra, J. Walsh, M. Roach, Dario Bisello, D. Lucchesi, S. Ogawa, T. Song, C. P. Jessop, M. G. Albrow, N. M. Shaw, K. Biery, D. W. Gerdes, G. Houk, D. Neuberger, J. Patrick, D. Quarrie, M. Timko, J. Yoh, J. Tonnison, S. Bertolucci, B. A. Barnett, L. Keeble, Chris Wendt, Giorgio Apollinari, J. P. Berge, Robert M Harris, M. Incagli, S. Kanda, H. Grassmann, D. Theriot, A. G. Clark, C. Boswell, J. Rhoades, Y. Ye, I. Nakano, Teruki Kamon, Craig Blocker, C. Campagnari, J. Hylen, A. Para, Kaori Maeshima, E. Pare, G. Punzi, R. B. Drucker, Andrea Castro, G. W. Foster, B. L. Winer, J. P. Marriner, M. Spahn, N. S. Lockyer, S. Miyashita, James Proudfoot, P. Auchincloss, Duncan Carlsmith, Henry J. Frisch, R. L. Wagner, W. C. Wester, K. Goulianos, Kevin Einsweiler, M. Loreti, R. Cashmore, P. Hu, R. Kephart, R. St. Denis, S. Segler, C. Anway-Wiese, B. T. Huffman, R. D. Sard, T. Hessing, D. G. Underwood, Nicola Turini, Doyeong Kim, A. T. Laasanen, Paul Tipton, R. K. Plunkett, T. Westhusing, Peter McIntyre, P. de Barbaro, J. I. Lamoureux, G. Pauletta, M. Contreras, R. Vidal, M. Ninomiya, D. Amidei, K. Ragan, T. Ino, S. Vejcik, M. Gold, J. Konigsberg, D. N. Brown, A. Hölscher, E. Kovacs, Avraham Yagil, M. Takano, J. Skarha, E. Kearns, S. Errede, Shlomit Tarem, J. Huth, A. Bamberger, Aurore Savoy-Navarro, L. F. Nakae, Alan Garfinkel, William Trischuk, M. H. Schub, L. Song, T. Fuess, C. Haber, Catherine Newman-Holmes, P. F. Derwent, F. Ukegawa, T. Muller, W. K. Sakumoto, S. Geer, S. A. Hauger, C. Grosso-Pilcher, R. L. Swartz, Marjorie Shapiro, E. Buckley-Geer, Riccardo Paoletti, B. Denby, P. Sinervo, R. C. Webb, Andrea Sansoni, K. Yasuoka, V. Papadimitriou, Andrew Beretvas, O. Schneider, M. Dell'Orso, T. Rodrigo, C. Day, G. F. Sciacca, W. Badgett, Gordon Watts, L. E. Kirsch, A. Byon-Wagner, K. Chadwick, R. J. Hollebeek, K. L. Byrum, J. Siegrist, Hong Sj, G. Busetto, P. Giromini, F. Cervelli, Wen Li, P. Schlabach, C. Nelson, P. Kesten, and Kiminori Kondo
Subjects: Quantum chromodynamics, Physics, Particle physics, Mass distribution, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Elementary particle, Gluon, Nuclear physics, Effective mass (solid-state physics), Mass spectrum, High Energy Physics::Experiment, Invariant mass, Collider Detector at Fermilab
Abstract: The dijet invariant mass distribution has been measured in the region between 120 and 1000 GeV/[ital c][sup 2], in 1.8-TeV [ital p[bar p]] collisions. The data sample was collected with the Collider Detector at Fermilab (CDF). Data are compared to leading order (LO) and next-to-leading order (NLO) QCD calculations using two different clustering cone radii [ital R] in the jet definition. A quantitative test shows good agreement of data with the LO and NLO QCD predictions for a cone of [ital R]=1. The test using a cone of [ital R]=0.7 shows less agreement. The NLO calculation shows an improvement compared to LO in reproducing the shape of the spectrum for both radii, and approximately predicts the cone size dependence of the cross section.
Published: 1993
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14. Study of four-jet events and evidence for double parton interactions inpp¯collisions ats=1.8TeV

Author: M. Cordelli, M. Dell'Orso, M. Sheaff, A. Baden, B. Hubbard, R. G. Wagner, D. Amidei, J. Konigsberg, C. Day, Y. Tsay, W. Badgett, S. Mikamo, Henry J. Frisch, P. Sphicas, J. Hylen, A. Para, G. W. Foster, F. Tartarelli, V. Scarpine, Virgil E Barnes, G. J. Feldman, J. Tseng, M. Miller, Patrizia Azzi, S. Tkaczyk, L. E. Kirsch, Avraham Yagil, I. Nakano, K. Ragan, W. Chinowsky, M. J. Shochet, Y. Seiya, A. Byon-Wagner, H. Iso, A. Caner, S. Lammel, A. Menzione, S. Errede, A. Tollestrup, R. E. Blair, A. Mukherjee, R. J. Hollebeek, J. Mueller, K. Kordas, T. Rodrigo, A. Barbaro-Galtieri, L. Gladney, H. H. Williams, A. Stefanini, J. A.J. Matthews, T. Devlin, Jose M. Benlloch, A. Zanetti, G. P. Yeh, D. A. Kardelis, S. B. Kim, M. Franklin, N. M. Shaw, S. Eno, S. Ogawa, M. Krasberg, F. Ptohos, J. Wolinski, Tony Liss, T. Meyer, Gordon Watts, L. Song, T. Fuess, T. Muller, O. Schneider, A. W. Booth, L. F. Nakae, T. Mimashi, M. Dickson, T. Ino, G. Bauer, M. Yokoyama, J. Yoh, W. J. Robertson, J. Siegrist, F. D. Snider, J. S T Ng, F. DeJongh, T. J. Phillips, M. Atac, Y. Morita, B. A. Barnett, L. Keeble, Hong Sj, M. Timko, M. Lindgren, M. Incagli, D. Dibitonto, K. Chadwick, P. Limon, Giorgio Apollinari, J. C. Freeman, C. Campagnari, M. Mariotti, Craig Blocker, F. Cervelli, S. Cihangir, Wen Li, F. Zetti, C. Hawk, James Proudfoot, E. Meschi, Sung Keun Park, D. Theriot, R. W. Kadel, Andrea Sansoni, M. Roach, P. Hurst, George Redlinger, R. L. Swartz, Marjorie Shapiro, J. Tonnison, P. Schlabach, Kaori Maeshima, Roy F Schwitters, C. Nelson, C. Yi, L. Holloway, M. Loreti, K. Biery, J. Wyss, M. Spahn, K. Yasuoka, E. Buckley-Geer, Riccardo Paoletti, Lawrence Nodulman, M. Takano, E. Kearns, Stefano Belforte, J. Patrick, R. Kephart, D. Lucchesi, P. Sinervo, P. Kesten, J. C. Yun, T. L. Watts, C. B. Luchini, M. Frautschi, A. Etchegoyen, Duncan Carlsmith, N. Wainer, P. Lukens, Kiminori Kondo, M. Mishina, Yongsun Kim, Kevin Einsweiler, R. C. Walker, R. P. Johnson, Henrik Jeldtoft Jensen, S. R. Hahn, V. Papadimitriou, B. Farhat, L. Stanco, Nikos Giokaris, Catherine Newman-Holmes, P. F. Derwent, D. Quarrie, Sebastian N. White, S. Miscetti, Fumihiko Ukegawa, I. Karliner, L. Ristori, E. Kuns, Nicola Turini, A. T. Laasanen, M. Mangano, M. Campbell, J. Walsh, T. Rohaly, Andrew Beretvas, Fumio Abe, G. Sullivan, S. Behrends, Giorgio Chiarelli, A. B. Wicklund, Konstanty Sumorok, D. A. Smith, P. Giannetti, S. Segler, K. Takikawa, D. Crane, M. W. Bailey, S. Moulding, A. G. Clark, R. Grindley, E. E. Schmidt, B. T. Huffman, R. K. Plunkett, R. Handler, D. Y. Wu, M. Ninomiya, Y. Ye, C. Anway-Wiese, E. Pare, G. Punzi, B. L. Winer, R. D. Sard, Paul Tipton, K. L. Byrum, S. Dell'Agnello, L. Pescara, S. Leone, G. Busetto, P. Giromini, J. Gonzalez, F. Bedeschi, B. Harral, Aurore Savoy-Navarro, H. S. Budd, J. P. Marriner, G. W. Brandenburg, Chris Wendt, R. Cashmore, Jay Hauser, D. Benjamin, A. Sill, G. Pauletta, M. Contreras, R. Ely, L. Demortier, V. Bolognesi, F. Rimondi, D. G. Underwood, R. L. Wagner, D. Connor, J. N. Bellinger, B. Flaugher, K. Goulianos, G. M. Grieco, J. T. Carroll, D. Neuberger, J. W. Chapman, E. Kovacs, P. de Barbaro, J. Skarha, T. Kamon, William Trischuk, A. Spies, M. Gold, S. Bertolucci, L. Pondrom, E. Wicklund, J. E. Elias, J. P. Berge, C. Boswell, S. A. Hauger, R. B. Drucker, P. Auchincloss, B. Denby, Shlomit Tarem, R. C. Webb, A. Bamberger, G. Piacentino, H. Wenzel, Sally Seidel, C. P. Jessop, Marina Cobal, J. D. Cunningham, G. Bellettini, S. Kanda, H. Grassmann, J. Rhoades, R. Vidal, J. D. Lewis, A. Scribano, S. Tether, E. H. Low, R. E. Hughes, G. Sganos, J. Huth, Alan Garfinkel, T. Song, W. Carithers, N. Bacchetta, P. McIntyre, R. Mattingly, D. N. Brown, M. H. Schub, Umesh Joshi, N. S. Lockyer, M. Binkley, D. W. Gerdes, J. Cooper, R. M. Keup, S. H. Kim, W. Zhang, M. G. Albrow, T. Hessing, Doyeong Kim, W. K. Sakumoto, S. Geer, C. Grosso-Pilcher, X. Wu, K. Sliwa, T. Westhusing, G. Houk, S. Zucchelli, R. Markeloff, Dario Bisello, H. Keutelian, Steve Kuhlmann, Robert M Harris, S. Miyashita, W. C. Wester, A. Bodek, Andrea Castro, P. Hu, R. St. Denis, A. Roodman, A. Gauthier, James Bensinger, Kazuhiko Hara, P. Maas, Yasuo Fukui, S. Vejcik, L. A. Markosky, R. Carey, C. Haber, J. I. Lamoureux, S. Zhang, S. Bhadra, and T. Baumann
Subjects: Physics, Quantum chromodynamics, Particle physics, Luminosity (scattering theory), Astrophysics::High Energy Astrophysical Phenomena, Parton, law.invention, Gluon, Nuclear physics, law, Pseudorapidity, Content (measure theory), High Energy Physics::Experiment, Nuclear Experiment, Collider, Collider Detector at Fermilab
Abstract: Kinematic properties of four-jet events produced in $p\overline{p}$ collisions at $\sqrt{s}=1.8$ TeV have been studied using data with an integrated luminosity of 325 ${\mathrm{nb}}^{\ensuremath{-}1}$ collected using the Collider Detector at Fermilab during the 1988-1989 Fermilab Collider run. The individual jet ${p}_{T}$ spectra and the angles between each jet pair are compared to the predictions of leading-order quantum chromodynamics for the double gluon bremsstrahlung process and good agreement is observed. In addition, a search for double parton scattering has been undertaken using variables sensitive to the topology of four-jet events. A small double parton content provides the best description of the data. We find $\frac{{N}_{\mathrm{DP}}}{{N}_{\mathrm{DB}}}={5.4}_{\ensuremath{-}2.0}^{+1.6}%$, where $N$ represents the number of events attributed to each process. We measure ${\ensuremath{\sigma}}_{\mathrm{DP}}={63}_{\ensuremath{-}28}^{+32}$ nb for jets having ${p}_{T}g25$ GeV/c in the pseudorapidity interval $|\ensuremath{\eta}|l3.5$.
Published: 1993
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15. Radiation damage effects on the silicon microstrip detector in E789 - A fixed target experiment at fermilab

Author: C. S. Mishra, R. G. Jeppesen, G. C. Kiang, D. Isenhower, R. Schwint, D. M. Jansen, G. Brown, C. W. Darden, V. M. Martin, H. Glass, Leon M. Lederman, K. Gounder, M. S. Kowitt, J. Sa, Josh Moss, M. E. Sadler, M. J. Leitch, G. Gidal, W. E. Cooper, W. Luebke, D. Pripstein, M. Apolinski, M. H. Schub, P. L. McGaughey, J.W. Wilson, J. W. Lillberg, Kam Biu Luk, Pei-Ming Ho, C. N. Brown, T. A. Carey, Daniel M. Kaplan, P. K. Teng, R. S. Preston, J. S. Kapustinsky, V.N. Tanikella, R. Schnathorst, Yi-Chun Chen, Jen-Chieh Peng, D. W. Lane, R. Childers, D. Snodgrass, and J. G. Boissevain
Subjects: Physics, Nuclear and High Energy Physics, Silicon, Spectrometer, Meson, Physics::Instrumentation and Detectors, chemistry.chemical_element, Atomic and Molecular Physics, and Optics, Charged particle, Ionizing radiation, Nuclear physics, chemistry, Radiation damage, High Energy Physics::Experiment, Fermilab, Silicon microstrip detectors
Abstract: A Silicon Microstrip Spectrometer has been installed and successfully operated in experiment E789 at Fermilab. The main physics goal of the experiment is to search for charged particle decays of B and D Mesons. Damage effects due to ionizing radiation exposure to the silicon during the experiment are reported.
Published: 1993
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16. Search forΛb→JψΛ0inpp¯collisions ats=1.8TeV

Author: T. Baumann, M. Cordelli, G. Busetto, Brian L Winer, R. G. Wagner, R. W. Kadel, G. Sganos, M. Franklin, Stefano Belforte, Thomas Müller, T. L. Watts, A. Spies, K. L. Byrum, P. Giromini, Anna Zanetti, T. Hessing, L. F. Nakae, G. J. Feldman, J. D. Lewis, Henrik Jeldtoft Jensen, C. T. Day, Dominic Smith, J. C. Freeman, M. Roach, H. H. Williams, C. P. Jessop, R. Kephart, A. Byon-Wagner, H. Iso, S. Kanda, T. Westhusing, J. Rhoades, W. Badgett, S. Park, J. Wolinski, R. E. Blair, José Manuel Rodríguez González, M. Atac, C. Anway-Wiese, T. Rohaly, G. Pauletta, R. J. Hollebeek, W. C. Wester, F. Rimondi, M. Mangano, P. Hu, D. Crane, A. Caner, P. Hurst, Andrea Sansoni, E. H. Low, Jacobo Konigsberg, R. L. Wagner, K. Goulianos, William Trischuk, Stefano Zucchelli, George Redlinger, K. Yasuoka, G. Punzi, Roy F Schwitters, S. Bertolucci, M. Timko, C. B. Luchini, Weiya Zhang, A. Savoy-Navarro, J. P. Berge, R. J. Cashmore, B. Harral, C. Boswell, V. Papadimitriou, A. M. Stefanini, A. W. Booth, P. Schlabach, S. Behrends, A. Bodek, J. Wyss, Gordon Watts, J. J. Walsh, P. de Barbaro, H. S. Budd, R. B. Drucker, Franco Bedeschi, Andrew Beretvas, F. Tartarelli, L. Demortier, F. DeJongh, A. Castro, Y. Ye, M. Binkley, Wen Li, V. Scarpine, K. Chadwick, E. Pare, A. Barbaro-Galtieri, M. Contreras, B. Farhat, M. Gold, William Chinowsky, N. Bacchetta, P. Sphicas, J. Hylen, A. Para, J. Proudfoot, T. A. Fuess, Virgil E Barnes, P. Auchincloss, A. Roodman, Gerry Bauer, A. Yagil, A. Gauthier, H. Grassmann, H. Keutelian, S. Vejcik, V. Bolognesi, T. Song, J. P. Marriner, G. W. Foster, R. St. Denis, Fumio Abe, E. Meschi, J. T. Carroll, P. Limon, R. Hughes, John Huth, S. Cihangir, A. Tollestrup, W. Carithers, K. Takikawa, A. Mukherjee, E. Kuns, Kazuhiko Hara, A. Scribano, P. Maas, Itsuo Nakano, Shlomit Tarem, L. A. Markosky, R. C. Walker, Rolland P. Johnson, Giovanni Bellettini, P. Kesten, Bt Huffman, S. A. Hauger, T. Devlin, Jose M. Benlloch, J. R. Bensinger, Alan Garfinkel, D. W. Gerdes, J. F. Patrick, Yasuo Fukui, I. Karliner, S. Miscetti, J. W. Chapman, James Mueller, P. McIntyre, M. H. Schub, Stephan Lammel, R. M. Harris, S. Tkaczyk, B. Flaugher, G. M. Grieco, J. C. Yun, Mark Campbell, J. C.L. Tseng, Mosè Mariotti, Yongsun Kim, Marina Cobal, Sandra Leone, R. Mattingly, Y. Tsay, L. Pondrom, E. Wicklund, S. Ogawa, A. Menzione, F. Zetti, C. Hawk, Mauro Dell'Orso, C. Haber, K. Biery, Sanchita Bhadra, D. Lucchesi, J. D. Cunningham, Giorgio Chiarelli, J. Cooper, R. M. Keup, J. E. Elias, H. Wenzel, Shuang Zhang, E. Kearns, B. Hubbard, S. B. Kim, W. K. Sakumoto, S. Geer, Kiminori Kondo, A. Bamberger, S. H. Kim, R. K. Plunkett, P. Lukens, M. Krasberg, G. Sullivan, Bruce Denby, G. P. Yeh, R. Carey, M. J. Shochet, M. Incagli, T. Mimashi, F. Ptohos, P. F. Derwent, Teresa Rodrigo, F. Cervelli, N. Giokaris, W. J. Robertson, C. Grosso-Pilcher, J. Skarha, J. Siegrist, T. M. Liss, D. Theriot, T. J. Phillips, Larry D. Gladney, S. E. Kuhlmann, Y. Morita, A. Etchegoyen, C. Yi, K. Sliwa, D. R. Quarrie, S. Tether, R. C. Webb, D. H. Kim, M. Miller, L. Pescara, J. I. Lamoureux, R. Paoletti, Christina Nelson, D. G. Underwood, M. Yokoyama, D. Amidei, J. S T Ng, Duncan Carlsmith, M. Lindgren, M. Mishina, M. W. Bailey, S. Moulding, A. G. Clark, E. Kovacs, M. Loreti, Fumihiko Ukegawa, R. Handler, Claudio Campagnari, O. Schneider, N. M. Shaw, S. R. Hahn, Duncan A. Brown, N. S. Lockyer, S. Dell'Agnello, A. B. Wicklund, R. Markeloff, Dario Bisello, L. Holloway, E. E. Schmidt, D. Y. Wu, Nicola Turini, A. T. Laasanen, Jay Hauser, G. W. Brandenburg, T. Ino, Robert P. Ely, D. Connor, J. N. Bellinger, D. P. Benjamin, Seungbum Hong, L. Ristori, M. Takano, D. Neuberger, Catherine Newman-Holmes, J. Yoh, Konstanty Sumorok, T. C. Meyer, L. E. Kirsch, S. Segler, R. D. Sard, Paul Tipton, Paola Giannetti, B. A. Barnett, L. Keeble, M. Dickson, M. Ninomiya, Teruki Kamon, Craig Blocker, Kaori Maeshima, D. Dibitonto, K. Kordas, C. Wendt, L. Song, M. Spahn, N. Wainer, S. Errede, L. Stanco, Giorgio Apollinari, R. L. Swartz, Marjorie Shapiro, U. Joshi, E. Buckley-Geer, P. Sinervo, Henry J. Frisch, K. Ragan, M. Sheaff, A. Baden, S. Mikamo, Patrizia Azzi, Y. Seiya, S. N. White, J. Tonnison, S. Miyashita, Kevin Einsweiler, D. A. Kardelis, R. Grindley, L. Nodulman, Sarah Catherine Eno, and F. D. Snider
Subjects: Baryon, Physics, Particle physics, Branching fraction, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Production (computer science), Lambda, Collider Detector at Fermilab
Abstract: We have searched for the $b$-flavored baryon decay ${\ensuremath{\Lambda}}_{b}\ensuremath{\rightarrow}\frac{J}{\ensuremath{\psi}}{\ensuremath{\Lambda}}^{0}$ in $p\overline{p}$ collisions at $\sqrt{s}=1.8$ TeV with the Collider Detector at Fermilab (CDF). In the $\frac{J}{\ensuremath{\psi}}{\ensuremath{\Lambda}}^{0}$ invariant-mass distribution we observe a flat distribution and a small number of events, consistent with no signal. Using the $b$-quark cross section measured by the CDF we put an upper limit on the $b\ensuremath{\rightarrow}{\ensuremath{\Lambda}}_{b}$ production fraction times the branching ratio $F({\ensuremath{\Lambda}}_{b})B({\ensuremath{\Lambda}}_{b}\ensuremath{\rightarrow}\frac{J}{\ensuremath{\psi}}{\ensuremath{\Lambda}}^{0})$ of 0.50\ifmmode\times\else\texttimes\fi{}${10}^{\ensuremath{-}3}$ at 90% confidence level.
Published: 1993
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17. InclusiveJ/ψ, ψ(2S), andb-quark production inp¯pcollisions at √s=1.8 TeV

Author: W. J. Robertson, T. L. Watts, Richard Hughes, M. Gold, R. Kephart, A. Etchegoyen, William Chinowsky, T. Rohaly, M. Roach, D. Crane, M. W. Bailey, S. Moulding, G. Punzi, J. Wolinski, R. Handler, Shlomit Tarem, M. Yokoyama, A. W. Booth, Gordon Watts, A. Bamberger, M. Binkley, S. Dell'Agnello, M. Lindgren, H. S. Budd, M. Franklin, T. Hessing, S. Tkaczyk, D. Lucchesi, H. Grassmann, L. Holloway, J. C. Freeman, E. Meschi, C. P. Jessop, Itsuo Nakano, F. Cervelli, Wen Li, Sung Keun Park, S. Kanda, J. Rhoades, C. Anway-Wiese, M. Sheaff, A. Baden, J. Patrick, B. Flaugher, G. M. Grieco, J. R. Bensinger, Alan Garfinkel, P. McIntyre, K. Biery, M. Timko, M. H. Schub, P. Hu, F. Tartarelli, V. Scarpine, Virgil E Barnes, Sanchita Bhadra, T. Baumann, M. Cordelli, G. Busetto, Brian L Winer, M. Mishina, Fumihiko Ukegawa, C. Nelson, M. J. Shochet, R. L. Wagner, Mosè Mariotti, W. Carithers, A. Caner, S. Mikamo, K. Goulianos, J. Cooper, P. Kesten, J. C.L. Tseng, Kiminori Kondo, R. Mattingly, D. N. Brown, J. D. Lewis, R. G. Wagner, G. Sganos, R. M. Keup, G. Pauletta, Sandra Leone, A. Mukherjee, D. Smith, Patrizia Azzi, E. H. Low, S. H. Kim, Paraskevas Sphicas, O. Schneider, L. Song, T. Fuess, F. DeJongh, S. Segler, J. Proudfoot, T. Song, A. Barbaro-Galtieri, K. L. Byrum, H. Keutelian, G. P. Yeh, Mark Campbell, P. Giromini, P. de Barbaro, Anna Zanetti, A. B. Wicklund, M. Miller, N. Giokaris, L. Pondrom, E. Wicklund, S. Vejcik, W. K. Sakumoto, W. C. Wester, Franco Bedeschi, A. Scribano, J. P. Berge, R. J. Cashmore, Y. Seiya, S. Geer, M. Contreras, C. Boswell, G. J. Feldman, S. E. Kuhlmann, J. E. Elias, R. B. Drucker, C. Grosso-Pilcher, D. Frei, E. E. Schmidt, Andrea Sansoni, S. N. White, J. Tonnison, F. Zetti, C. Hawk, T. Mimashi, S. Miyashita, Teresa Rodrigo, M. Dickson, P. Lukens, M. Ninomiya, Marina Cobal, S. Zucchelli, R. E. Blair, M. Krasberg, P. Auchincloss, G. Sullivan, F. Rimondi, S. Cihangir, J. D. Cunningham, Claudio Campagnari, N. M. Shaw, K. Yasuoka, A. Byon-Wagner, H. Iso, K. Chadwick, E. Pare, R. J. Hollebeek, D. Y. Wu, Kevin Einsweiler, V. Papadimitriou, J. Yoh, M. Mangano, T. J. Phillips, Larry D. Gladney, D. A. Kardelis, Y. Morita, K. Sliwa, J. C. Yun, T. Ino, Andrew Beretvas, S. Errede, J. P. Marriner, Stefano Belforte, J. S T Ng, Thomas Müller, R. Grindley, Yongsun Kim, A. Mezione, R. St. Denis, D. P. Benjamin, Seungbum Hong, J. W. Chapman, D. R. Quarrie, L. A. Markosky, G. W. Brandenburg, Giovanni Bellettini, R. M. Harris, Paola Giannetti, B. A. Barnett, L. Keeble, Giorgio Apollinari, L. Nodulman, Henrik Jeldtoft Jensen, R. L. Swartz, Marjorie Shapiro, L. Pescara, S. Miscetti, Sarah Catherine Eno, D. H. Kim, G. Bauer, Giorgio Chiarelli, F. D. Snider, M. Takano, D. Neuberger, William Trischuk, Aurore Savoy-Navarro, James Mueller, Avraham Yagil, R. Carey, Stephan Lammel, Teruki Kamon, Craig Blocker, S. R. Hahn, Kaori Maeshima, E. Buckley-Geer, Riccardo Paoletti, Catherine Newman-Holmes, S. Ogawa, Nicola Bacchetta, R. W. Kadel, J. Skarha, H. Wenzel, L. Demortier, V. Bolognesi, P. Sinervo, B. Harral, P. Hurst, Mauro Dell'Orso, George Redlinger, L. F. Nakae, A. G. Clark, C. Haber, J. T. Carroll, M. Incagli, P. Limon, John Huth, Jacobo Konigsberg, M. Spahn, Robert P. Ely, J. Siegrist, T. M. Liss, D. Theriot, A. Spies, M. Loreti, H. H. Williams, A. Stefanini, A. Bodek, A. Castro, J. J. Walsh, J. Wyss, Bruce Denby, Henry J. Frisch, L. E. Kirsch, S. B. Kim, Nicola Turini, A. T. Laasanen, M. Atac, S. Bertolucci, T. C. Meyer, R. D. Sard, Paul Tipton, Jay Hauser, Roy F Schwitters, N. Wainer, B. Farhat, Bt Huffman, S. A. Hauger, Duncan Carlsmith, E. Kuns, C. B. Luchini, Fumio Abe, A. Roodman, D. G. Underwood, A. Gauthier, L. Stanco, R. C. Walker, Rolland P. Johnson, K. Takikawa, D. Dibitonto, K. Kordas, C. Wendt, A. Tollestrup, K. Ragan, D. Connor, J. N. Bellinger, Kazuhiko Hara, T. Devlin, Jose M. Benlloch, Shuang Zhang, E. Kovacs, E. Kearns, U. Joshi, C. T. Day, P. Maas, R. C. Webb, P. F. Derwent, D. Amidei, Yasuo Fukui, I. Karliner, T. Westhusing, J. I. Lamoureux, Y. Tsay, W. Badgett, D. W. Gerdes, Konstanty Sumorok, B. Hubbard, Luciano Ristori, R. Markeloff, Dario Bisello, R. K. Plunkett, S. Tether, P. Schlabach, S. Behrends, N. S. Lockyer, Y. Ye, J. Hylen, A. Para, G. W. Foster, and F. Ptohos
Subjects: Physics, Combinatorics, Particle physics, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Transverse momentum, General Physics and Astronomy, Bottom quark, J/psi meson
Abstract: Inclusive [ital J]/[psi] and [psi](2[ital S]) production has been studied in [ital [bar p]p] collisions at [radical][ital s] =1.8 TeV using 2.6[plus minus]0.2 pb[sup [minus]1] of data taken with the Collider Detector at Fermilab. The products of production cross section times branching fraction were measured as functions of [ital P][sub [ital T]] for [ital J]/[psi][r arrow][mu][sup +][mu][sup [minus]] and [psi](2[ital S])[r arrow][mu][sup +][mu][sup [minus]]. In the kinematic range [ital P][sub [ital T]][gt]6 GeV/[ital c] and [vert bar][eta][vert bar][le]0.5 we get [sigma]([ital [bar p]p][r arrow][ital J]/[psi] [ital X])[ital B]([ital J]/[psi][r arrow][mu][sup +][mu][sup [minus]]) =6.88[plus minus]0.23(stat)[sub [minus]1.08][sup +0.93](syst) nb, and [sigma]([ital [bar p]p][r arrow][psi](2[ital S])[ital X])[ital B]([psi](2[ital S])[r arrow][mu][sup +][mu][sup [minus]]) =0.232[plus minus]0.051(stat)[sub [minus]0.032][sup +0.029](syst)nb. From these values we calculate the inclusive [ital b]-quark production cross section.
Published: 1992
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18. Limit on the rare decayW±→γπ±inpp¯collisions at √s=1.8 TeV

Author: W. Carithers, S. Segler, M. Mishina, Fumihiko Ukegawa, M. Yokoyama, C. T. Day, T. Westhusing, A. B. Wicklund, W. Badgett, R. Mattingly, D. N. Brown, M. Miller, M. Lindgren, N. S. Lockyer, E. E. Schmidt, D. Y. Wu, S. Tkaczyk, M. Dickson, F. Cervelli, Wen Li, L. Holloway, A. Scribano, G. P. Yeh, M. Ninomiya, R. K. Plunkett, C. Nelson, S. Tether, J. Patrick, Stefano Belforte, L. Pondrom, E. Wicklund, S. Cihangir, P. Kesten, G. W. Brandenburg, L. Demortier, V. Bolognesi, Mosè Mariotti, T. Mimashi, Jacobo Konigsberg, D. W. Gerdes, Thomas Müller, Henrik Jeldtoft Jensen, Teresa Rodrigo, S. Vejcik, T. J. Phillips, Larry D. Gladney, J. E. Elias, Paraskevas Sphicas, M. Sheaff, A. Baden, Sandra Leone, D. Smith, Y. Morita, D. H. Kim, Jay Hauser, F. Tartarelli, V. Scarpine, Virgil E Barnes, Bellisario Esposito, M. J. Shochet, J. J. Walsh, T. L. Watts, Richard Hughes, N. Giokaris, J. W. Chapman, James Mueller, S. Ogawa, H. Wenzel, J. C. Yun, W. K. Sakumoto, J. D. Lewis, M. Franklin, S. Geer, S. Miscetti, S. R. Hahn, S. B. Kim, T. Hessing, A. Caner, A. W. Booth, S. Mikamo, Mauro Dell'Orso, C. Haber, Yongsun Kim, P. Schlabach, S. Behrends, C. Grosso-Pilcher, P. Hurst, George Redlinger, J. C. Freeman, D. Connor, M. Incagli, Giorgio Chiarelli, Bt Huffman, E. H. Low, S. A. Hauger, J. N. Bellinger, R. Kephart, T. Rohaly, J. T. Carroll, P. Limon, John Huth, D. Theriot, L. A. Markosky, R. Vidal, J. Hylen, A. Para, Paola Giannetti, B. A. Barnett, L. Keeble, G. W. Foster, M. Binkley, J. Wyss, Giorgio Apollinari, P. Hu, Giovanni Bellettini, Henry J. Frisch, Marina Cobal, J. D. Cunningham, F. DeJongh, R. M. Harris, R. C. Webb, J. Proudfoot, Nicola Bacchetta, B. Harral, A. Menzione, D. Crane, S. Errede, T. Song, Teruki Kamon, Y. Seiya, M. Roach, Craig Blocker, Kaori Maeshima, C. P. Jessop, S. Kanda, J. Rhoades, S. N. White, R. Carey, B. Hubbard, D. Amidei, G. Punzi, Luciano Ristori, A. Bodek, E. Kuns, J. Tonnison, L. E. Kirsch, S. Miyashita, M. Gold, William Chinowsky, J. Skarha, H. Grassmann, C. Anway-Weiss, K. Ragan, Rolland P. Johnson, T. Baumann, M. Cordelli, Shuang Zhang, E. Kearns, T. Ino, A. Byon-Wagner, H. Iso, A. G. Clark, H. H. Williams, A. Stefanini, Itsuo Nakano, J. R. Bensinger, Alan Garfinkel, J. S T Ng, P. McIntyre, J. Siegrist, M. H. Schub, M. Timko, K. Chadwick, G. Busetto, Brian L Winer, Duncan Carlsmith, M. Spahn, R. Markeloff, Robert P. Ely, T. M. Liss, M. Atac, S. Bertolucci, D. P. Benjamin, Seungbum Hong, Shlomit Tarem, A. Roodman, R. G. Wagner, P. F. Derwent, T. C. Meyer, M. Loreti, A. Gauthier, A. Bamberger, Dario Bisello, R. J. Hollebeek, R. D. Sard, H. S. Budd, M. Takano, K. L. Byrum, Avraham Yagil, Kazuhiko Hara, Paul Tipton, Kevin Einsweiler, D. A. Kardelis, P. Giromini, R. St. Denis, J. I. Lamoureux, P. Maas, Anna Zanetti, R. L. Wagner, Roy F Schwitters, L. Song, T. Fuess, K. Goulianos, A. Mukherjee, Catherine Newman-Holmes, N. Wainer, Nicola Turini, A. Tollestrup, D. Dibitonto, Yasuo Fukui, I. Karliner, C. Wendt, L. Nodulman, R. W. Kadel, A. T. Laasanen, T. Devlin, P. de Barbaro, Sarah Catherine Eno, C. B. Luchini, S. Zucchelli, R. E. Blair, F. Rimondi, Jose M. Benlloch, Franco Bedeschi, A. Barbaro-Galtieri, H. Keutelian, G. Bauer, F. D. Snider, M. Contreras, Y. Tsay, U. Joshi, J. Cooper, R. M. Keup, R. L. Swartz, Marjorie Shapiro, F. Zetti, C. Hawk, Mark Campbell, S. H. Kim, S. E. Kuhlmann, E. Buckley-Geer, Riccardo Paoletti, Claudio Campagnari, N. M. Shaw, P. Sinervo, J. Yoh, A. Castro, L. F. Nakae, P. Lukens, K. Sliwa, D. R. Quarrie, B. Farhat, Aurore Savoy-Navarro, Fumio Abe, M. Krasberg, K. Takikawa, G. Sullivan, Maria Curatolo, G. Pauletta, L. Pescara, M. Mangano, William Trischuk, Andrea Sansoni, K. Yasuoka, V. Papadimitriou, Andrew Beretvas, Sung Keun Park, F. Ptohos, W. J. Robertson, D. G. Underwood, A. Etchegoyen, O. Schneider, M. W. Bailey, S. Moulding, R. Handler, W. C. Wester, E. Kovacs, S. Dell'Agnello, J. P. Berge, R. J. Cashmore, C. Boswell, R. B. Drucker, E. Pare, J. P. Marriner, Stephan Lammel, P. Auchincloss, Bruce Denby, B. Flaugher, G. M. Grieco, Sanchita Bhadra, and Kiminori Kondo
Subjects: Physics, Particle decay, Particle physics, Branching fraction, Particle model, Particle interaction, Radiative decay, General Physics and Astronomy, Collider Detector at Fermilab
Abstract: We search for the rare decay ${\mathit{W}}^{\ifmmode\pm\else\textpm\fi{}}$\ensuremath{\rightarrow}\ensuremath{\gamma}${\mathrm{\ensuremath{\pi}}}^{\ifmmode\pm\else\textpm\fi{}}$ in 4.2 ${\mathrm{pb}}^{\mathrm{\ensuremath{-}}1}$ of pp\ifmmode\bar\else\textasciimacron\fi{} collisions recorded with the Collider Detector at Fermilab. At the 95% confidence level, we find an upper limit on the partial decay width to be \ensuremath{\Gamma}(${\mathit{W}}^{\ifmmode\pm\else\textpm\fi{}}$\ensuremath{\rightarrow}\ensuremath{\gamma}${\mathrm{\ensuremath{\pi}}}^{\ifmmode\pm\else\textpm\fi{}}$)/\ensuremath{\Gamma}(${\mathit{W}}^{\ifmmode\pm\else\textpm\fi{}}$\ensuremath{\rightarrow}${\mathit{e}}^{\ifmmode\pm\else\textpm\fi{}}$\ensuremath{\nu})\ensuremath{\le}7.5\ifmmode\times\else\texttimes\fi{}${10}^{\mathrm{\ensuremath{-}}3}$.
Published: 1992
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19. Lepton asymmetry inW-boson decays fromp¯pcollisions at √s=1.8 TeV

Author: M. Mishina, Fumihiko Ukegawa, A. B. Wicklund, Wen Li, A. Yagil, B. Esposito, S. Segler, B. Hubbard, A. F. Garfinkel, M. Roach, Brian L Winer, E. E. Schmidt, L. Keeble, R. G. Wagner, C. Day, D. Amidei, T. Baumann, P. Kesten, M. Campbell, P. F. Derwent, M. Ninomiya, Teruki Kamon, R. Markeloff, G. Apollinari, F. Abe, K. Goulianos, R. M. Harris, Kaori Maeshima, H. Grassmann, R. Handler, R. W. Kadel, R. Blair, H. Iso, H. S. Budd, L. E. Kirsch, F. Rimondi, A. Yamashita, S. Moulding, E. Kearns, L. F. Nakae, M. Yokoyama, H. Keutelian, Andrea Sansoni, P. Hurst, George Redlinger, A. Savoy-Navarro, J. T. Carroll, B. A. Barnett, S. Eno, D. H. Kim, B. Denby, R. Ely, R. Hughes, A. Mukherjee, E. Buckley-Geer, V. E. Barnes, S. Miscetti, J. I. Lamoureux, M. Sheaff, A. Baden, K. Yasuoka, S. Bhadra, J. Wyss, J. P. Berge, N. Wainer, R. Carey, A. Tollestrup, F. Zetti, S. Mikamo, S. Vejcik, G. W. Foster, T. Devlin, P. Schlabach, S. Behrends, M. Cordelli, M. Mangano, J. E. Elias, M. Franklin, L. Demortier, H. Frisch, A. Byon-Wagner, T. L. Watts, L. Holloway, A. M. Stefanini, D. Connor, P. Auchincloss, T. Fuess, A. Barbaro-Galtieri, U. Joshi, E. Kuns, F. DeJongh, James Mueller, S. R. Hahn, R. Cashmore, Rolland P. Johnson, D. Carlsmith, Henrik Jeldtoft Jensen, R. Kephart, T. Rohaly, F. Bedeschi, V. Bolognesi, T. Ino, K. Chadwick, Y. Seiya, S. Ogawa, K. Hara, William Trischuk, Stefano Zucchelli, C. Haber, H. Wenzel, A. Para, E. Pare, J. Bellinger, M. Timko, D. A. Kardelis, M. Dell'Orso, J. P. Marriner, K. L. Byrum, Y. Fukui, G. Punzi, John Huth, L. A. Markosky, M. Sekiguchi, T. C. Meyer, C. P. Jessop, M. Incagli, V. Scarpine, S. Tkaczyk, S. Kanda, D. Theriot, R. D. Sard, J. Rhoades, S. E. Kuhlmann, J. C. Yun, M. Takano, Paul Tipton, P. Giannetti, S. Dell'Agnello, L. Nodulman, B. Flaugher, G. Brandenburg, M. Gold, P. Lukens, D. W. Gerdes, K. Ragan, G. Sullivan, A. Scribano, N. M. Shaw, R. Paoletti, Christina Nelson, D. G. Underwood, Catherine Newman-Holmes, L. Gladney, F. D. Snider, C. Grosso-Pilcher, D. DiBitonto, J. Hauser, R. B. Drucker, J. Proudfoot, P. Giromini, Shlomit Tarem, W. C. Wester, M. Contreras, M. Binkley, G. P. Yeh, J. Siegrist, J. Skarha, S. Cihangir, J. Freeman, W. Chinowsky, C. Wendt, J. Yoh, G. Chiarelli, T. M. Liss, W. Carithers, L. Song, E. Kovacs, T. Hessing, J. F. Patrick, Bt Huffman, Kiminori Kondo, A. Bamberger, K. Takikawa, R. L. Wagner, S. Errede, S. N. White, J. Tonnison, T. Mimashi, S. Miyashita, A. Menzione, Campagnari C, D. N. Brown, Y. Funayama, A. Castro, C. Boswell, M. Curatolo, R. Mattingly, F. Tartarelli, R. C. Webb, M. Miller, H. H. Williams, Y. Tsay, T. J. Phillips, R. L. Swartz, Marjorie Shapiro, S. B. Kim, M. Atac, Jacobo Konigsberg, M. J. Shochet, A. Beretvas, S. Bertolucci, N. Bacchetta, P. Sinervo, F. Cervelli, M. W. Bailey, Y. Morita, J. J. Walsh, Roy F Schwitters, J. S T Ng, J. Bensinger, N. Giokaris, C. Hawk, C. B. Luchini, Dominic Smith, T. Westhusing, Anna Zanetti, A. Roodman, J. Cooper, L. Ristori, P. Maas, Allan G Clark, I. Karliner, Nicola Turini, A. T. Laasanen, R. M. Keup, R. Hollebeek, G. Busetto, D. Crane, A. Gauthier, K. Sliwa, D. R. Quarrie, C. Blocker, Mosè Mariotti, Sandra Leone, G. Bellettini, W. K. Sakumoto, R. Vidal, R. K. Plunkett, N. S. Lockyer, Itsuo Nakano, P. McIntyre, M. H. Schub, A. W. Booth, S. Belforte, P. Hu, L. Pondrom, S. Geer, and R. St. Denis
Subjects: Physics, Particle physics, Physics::Instrumentation and Detectors, Computer Science::Information Retrieval, media_common.quotation_subject, High Energy Physics::Phenomenology, General Physics and Astronomy, Elementary particle, Parton, Asymmetry, Particle decay, Distribution function, Physics::Accelerator Physics, High Energy Physics::Experiment, Collider Detector at Fermilab, Lepton, media_common, Boson
Abstract: The charge asymmetry of leptons from {ital W}-boson decay has been measured using {ital {bar p}p} data from the Collider Detector at Fermilab at {radical}{ital s} =1.8 TeV. The observed asymmetry is well described by most of the available parton distributions.
Published: 1992
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20. Topology of three-jet events inp¯pcollisions ats=1.8TeV

Author: W. Carithers, S. Bertolucci, R. Vidal, A. Zanetti, M. Franklin, F. Tartarelli, V. Scarpine, Virgil E Barnes, J. P. Berge, C. Boswell, T. L. Watts, L. Song, R. Hughes, J. C. Freeman, Campagnari C, S. Eno, J. S T Ng, R. B. Drucker, A. Caner, A. Tollestrup, D. Benjamin, A. Roodman, R. Mattingly, D. N. Brown, A. W. Booth, P. Auchincloss, T. Westhusing, Robert M Harris, S. Tkaczyk, A. Menzione, P. Hu, T. Devlin, R. Ely, H. H. Williams, A. Stefanini, A. Gauthier, James Bensinger, F. Cervelli, T. Rohaly, D. Crane, J. Huth, D. Connor, Wen Li, P. Schlabach, Kazuhiko Hara, Alan Garfinkel, F. DeJongh, P. Maas, J. N. Bellinger, G. P. Yeh, M. Atac, Henry J. Frisch, M. Roach, C. Nelson, Andrea Castro, M. Mishina, Tony Liss, M. Sheaff, A. Baden, T. Mimashi, Yasuo Fukui, T. Rodrigo, J. D. Lewis, M. Dickson, P. Kesten, M. H. Schub, Sung Keun Park, S. Leone, L. Pondrom, Roy F Schwitters, Fumihiko Ukegawa, M. Schochet, C. B. Luchini, J. E. Elias, Fumio Abe, M. Campbell, S. Behrends, A. B. Wicklund, F. Rimondi, Bellisario Esposito, R. St. Denis, B. Hubbard, T. J. Phillips, Kiminori Kondo, T. Ino, M. Yokoyama, B. Flaugher, N. S. Lockyer, K. Ragan, Shlomit Tarem, K. Takikawa, E. E. Schmidt, Y. Morita, T. Baumann, S. Zucchelli, H. S. Budd, Chris Wendt, M. Mariotti, T. Fuess, D. W. Gerdes, S. Mikamo, Y. Funayama, W. K. Sakumoto, A. Bamberger, F. Ptohos, H. Keutelian, Steve Kuhlmann, M. Takano, E. Kearns, O. Schneider, G. W. Brandenburg, P. Lukens, S. Ogawa, S. Geer, G. Sullivan, R. G. Wagner, Y. Tsay, P. Hurst, George Redlinger, R. W. Kadel, A. Mukherjee, C. Grosso-Pilcher, M. Dell'Orso, R. D. Sard, Aurore Savoy-Navarro, Catherine Newman-Holmes, A. Scribano, J. Patrick, M. Miller, J. Hauser, R. P. Johnson, Andrea Sansoni, M. Gold, C. Day, D. A. Smith, J. Wyss, Derwent Pf, M. Incagli, Peter McIntyre, J. I. Lamoureux, R. L. Swartz, Marjorie Shapiro, P. Giannetti, Riccardo Paoletti, M. W. Bailey, S. Moulding, R. Handler, L. A. Markosky, K. Yasuoka, Amidei D, P. Tipton, D. Theriot, P. Sinervo, R. Markeloff, D. Dibitonto, S. Dell'Agnello, Umesh Joshi, J. Cooper, R. M. Keup, S. H. Kim, M. Curatolo, Andrew Beretvas, E. Buckley-Geer, R. Carey, Bt Huffman, W. Chinowsky, R. E. Blair, Duncan Carlsmith, A. Yamashita, L. Demortier, F. Zetti, C. Hawk, K. Chadwick, E. Kuns, L. E. Kirsch, M. Binkley, V. Bolognesi, A. Byon-Wagner, H. Iso, K. L. Byrum, Paraskevas Sphicas, I. Nakano, Y. Seiya, K. Sliwa, R. J. Hollebeek, H. Wenzel, S. Vejcik, B. Denby, T. Hessing, P. Limon, Doyeong Kim, M. Cordelli, R. Kephart, M. Timko, C. P. Jessop, G. Bellettini, R. C. Webb, J. T. Carroll, D. Quarrie, Nicola Turini, A. T. Laasanen, S. Kanda, H. Grassmann, S. Bhadra, J. Rhoades, H. Hylen, G. Busetto, R. L. Wagner, P. Giromini, K. Goulianos, J. Tonnison, J. Siegrist, P. de Barbaro, C. Haber, S. Cihangir, M. Contreras, J. C. Yun, Nikos Giokaris, Sebastian N. White, Giorgio Chiarelli, A. Para, Kevin Einsweiler, G. W. Foster, D. A. Kardelis, S. Errede, E. Pare, G. Punzi, B. L. Winer, S. Miyashita, T. Meyer, W. C. Wester, F. D. Snider, J. P. Marriner, M. Sekiguchi, R. Cashmore, A. Barbaro-Galtieri, L. Gladney, D. G. Underwood, James Proudfoot, Stefano Belforte, Henrik Jeldtoft Jensen, S. Miscetti, L. Ristori, E. Kovacs, Nicola Bacchetta, F. Bedeschi, J. Skarha, William Trischuk, Lawrence Nodulman, N. Wainer, S. Segler, R. K. Plunkett, J. Mueller, N. M. Shaw, M. Ninomiya, J. Yoh, B. A. Barnett, L. Keeble, Giorgio Apollinari, Teruki Kamon, Craig Blocker, M. Spahn, S. R. Hahn, I. Karliner, M. Mangano, J. Walsh, A. G. Clark, J. Konigsberg, Avraham Yagil, and L. F. Nakae
Subjects: Physics, Quantum chromodynamics, Particle physics, High Energy Physics::Lattice, High Energy Physics::Phenomenology, Hadron, Tevatron, Elementary particle, Topology, Gluon, Nuclear physics, High Energy Physics::Experiment, Production (computer science), Collider Detector at Fermilab, Energy (signal processing)
Abstract: The production and event topology of three-jet events produced in {ital p{bar p}} collisions at {radical}{ital s} =1.8 TeV have been studied with the Collider Detector at Fermilab at the Tevatron Collider. The distributions of the three-jet angular variables ({psi}{sup *} and cos{theta}{sup *}) and of the variables describing the energy sharing between jets ({ital x}{sub 3} and {ital x}{sub 4}) are found to agree well with tree-level QCD calculations. These distributions are predicted to have different shapes for different initial-state subprocesses (quark-antiquark, quark-gluon, and gluon-gluon). The data are consistent with the small expected contribution from quark-antiquark initial states, in agreement with theoretical expectations.
Published: 1992
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21. Measurement ofB0B¯0mixing at the Fermilab Tevatron Collider

Author: D. A. Kardelis, D. W. Gerdes, S. Ogawa, L. Nodulman, K. Chadwick, H. H. Williams, H. Wenzel, M. Atac, Mark Campbell, M. Incagli, Sarah Catherine Eno, F. D. Snider, E. Pare, R. St. Denis, D. Theriot, J. P. Marriner, M. Sekiguchi, S. Tkaczyk, S. E. Kuhlmann, W. Carithers, A. Barbaro-Galtieri, T. Baumann, T. Ino, M. Takano, Duncan Carlsmith, Catherine Newman-Holmes, S. N. White, J. Tonnison, S. Miyashita, Claudio Campagnari, N. M. Shaw, T. L. Watts, H. Keutelian, Roy F Schwitters, M. Cordelli, G. Busetto, Brian L Winer, C. B. Luchini, Jacobo Konigsberg, M. Franklin, T. Hessing, J. Yoh, R. Paoletti, G. P. Yeh, R. G. Wagner, R. Kephart, T. Rohaly, J. J. Walsh, J. C. Freeman, R. Mattingly, K. L. Byrum, R. Hughes, A. Tollestrup, Andrea Sansoni, Christina Nelson, D. G. Underwood, D. H. Kim, P. Giromini, Anna Zanetti, Paola Giannetti, B. A. Barnett, L. Keeble, D. Crane, Teruki Kamon, Bt Huffman, T. Mimashi, P. Lukens, L. Song, T. Devlin, G. Sullivan, R. C. Webb, K. Yasuoka, M. Miller, D. Dibitonto, Craig Blocker, T. J. Phillips, Larry D. Gladney, D. Amidei, G. Punzi, S. Miscetti, M. Yokoyama, S. Vejcik, Y. Morita, E. Kovacs, P. Hu, C. Wendt, R. Vidal, S. R. Hahn, M. Binkley, C. T. Day, M. Sheaff, A. Baden, R. L. Wagner, Dominic Smith, Bellisario Esposito, S. Cihangir, Duncan A. Brown, T. Westhusing, Maria Curatolo, K. Goulianos, A. M. Stefanini, M. Mishina, H. S. Budd, A. Roodman, A. Gauthier, M. W. Bailey, S. Moulding, Fumihiko Ukegawa, S. Mikamo, Andrew Beretvas, R. E. Blair, James Mueller, T. A. Fuess, F. Rimondi, A. Yamashita, J. C. Yun, P. Hurst, George Redlinger, Kazuhiko Hara, R. L. Swartz, Marjorie Shapiro, B. Hubbard, L. Pondrom, R. Handler, S. Dell'Agnello, P. Maas, N. Wainer, Mauro Dell'Orso, Stefano Belforte, A. B. Wicklund, A. Mukherjee, C. Haber, A. Savoy-Navarro, J. E. Elias, Itsuo Nakano, Henrik Jeldtoft Jensen, E. Buckley-Geer, L. Holloway, Yasuo Fukui, I. Karliner, M. Roach, Wen Li, A. Yagil, J. R. Bensinger, Alan Garfinkel, Giorgio Chiarelli, P. McIntyre, J. Wyss, L. Demortier, M. H. Schub, E. E. Schmidt, A. W. Booth, P. Sinervo, Bruce Denby, U. Joshi, L. A. Markosky, F. DeJongh, E. Kearns, J. Proudfoot, N. Bacchetta, B. Flaugher, Giovanni Bellettini, R. M. Harris, V. Scarpine, Virgil E Barnes, J. Cooper, Franco Bedeschi, P. F. Derwent, V. Bolognesi, F. Tartarelli, R. M. Keup, Mosè Mariotti, J. T. Carroll, M. Timko, R. Carey, E. Kuns, Y. Seiya, Sanchita Bhadra, J. I. Lamoureux, John Huth, F. Zetti, C. Hawk, R. Markeloff, Sandra Leone, Henry J. Frisch, M. Contreras, J. Skarha, P. Kesten, Rolland P. Johnson, G. W. Brandenburg, H. Grassmann, Nicola Turini, A. Menzione, A. T. Laasanen, W. K. Sakumoto, S. Segler, Jay Hauser, S. Geer, K. Sliwa, D. R. Quarrie, W. C. Wester, Kiminori Kondo, A. Bamberger, K. Ragan, C. Grosso-Pilcher, S. Errede, F. Cervelli, N. Giokaris, J. Siegrist, T. M. Liss, M. Ninomiya, D. Connor, J. N. Bellinger, A. Scribano, C. P. Jessop, L. Ristori, Giorgio Apollinari, Y. Funayama, S. Bertolucci, S. Kanda, J. Rhoades, A. G. Clark, M. Gold, William Chinowsky, Robert P. Ely, T. C. Meyer, R. D. Sard, Paul Tipton, Shlomit Tarem, J. F. Patrick, P. Schlabach, S. Behrends, J. P. Berge, R. J. Cashmore, C. Boswell, S. B. Kim, R. B. Drucker, P. Auchincloss, A. Para, G. W. Foster, Y. Tsay, R. K. Plunkett, A. Castro, Fumio Abe, N. S. Lockyer, K. Takikawa, M. J. Shochet, L. E. Kirsch, A. Byon-Wagner, H. Iso, R. J. Hollebeek, J. S T Ng, M. Mangano, William Trischuk, Stefano Zucchelli, R. W. Kadel, and L. F. Nakae
Subjects: Physics, Particle physics, Muon, Distribution function, Meson, Hadron, Tevatron, General Physics and Astronomy, B meson, Elementary particle, Charge (physics)
Abstract: The ${\mathit{B}}^{0}$ B\ifmmode\bar\else\textasciimacron\fi{} $^{0}$ average mixing parameter \ensuremath{\chi} has been extracted from e\ensuremath{\mu} and ee events produced in pp\ifmmode\bar\else\textasciimacron\fi{} collisions at \ensuremath{\surd}s =1.8 TeV. In a sample of 900 e\ensuremath{\mu} events, the like-sign to opposite-sign charge ratio R is measured to be 0.556\ifmmode\pm\else\textpm\fi{}0.048(stat${)}_{\mathrm{\ensuremath{-}}0.042}^{+0.035}$(syst). In the absence of mixing, the expected value of R would be 0.23\ifmmode\pm\else\textpm\fi{}0.06. The corresponding number for 212 ee events is 0.573\ifmmode\pm\else\textpm\fi{}0.116(stat)\ifmmode\pm\else\textpm\fi{}0.047(syst) with an expected nonmixing value of 0.24\ifmmode\pm\else\textpm\fi{}0.07. The observed excess in R leads to a combined determination of \ensuremath{\chi}=0.176\ifmmode\pm\else\textpm\fi{}0.031(stat+syst) \ifmmode\pm\else\textpm\fi{}0.032 (model), where the last uncertainty is due to Monte Carlo modeling.
Published: 1991
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22. Measurement of theZ-bosonpTdistribution inp¯pcollisions at √s=1.8 TeV

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, M. Bailey, A. Bamberger, B. A. Barnett, A. Barbaro-Galtieri, V. E. Barnes, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, V. Bolognesi, A. W. Booth, C. Boswell, G. Brandenburg, D. Brown, E. Buckley-Geer, H. S. Budd, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, R. Cousins, D. Crane, M. Curatolo, C. Day, S. Dell’Agnello, M. Dell’Orso, L. Demortier, P. F. Derwent, T. Devlin, D. DiBitonto, R. B. Drucker, J. E. Elias, R. Ely, S. Eno, S. Errede, B. Esposito, G. J. Feldman, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, C. Hawk, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, L. Keeble, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, J. Konigsberg, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, S. Leone, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, J. Mueller, A. Mukherjee, L. F. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, W. K. Sakumoto, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, M. Shapiro, N. M. Shaw, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, L. Song, R. St. Denis, A. Stefanini, G. Sullivan, R. L. Swartz, M. Takano, F. Tartarelli, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, S. Vejcik, R. Vidal, R. G. Wagner, R. L. Wagner, N. Wainer, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester, T. Westhusing, S. N. White, A. B. Wicklund, H. H. Williams, B. L. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Physics, Scattering cross-section, Particle physics, Distribution (mathematics), Transverse momentum, Range (statistics), General Physics and Astronomy, High Energy Physics::Experiment, Nuclear Experiment, Collider Detector at Fermilab
Abstract: We have measured the Z-boson production differential cross section as a function of transverse momentum using S→ee and Z→μμ decays in pp collisions at √s=1.8 TeV wlich the collider Detector at Fermilab. Comparison with standard-model predictions shows good agreement over the range 0
Published: 1991
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23. Search for W′→eν and W′→μν in p¯p Collisions at s=1.8 TeV

Author: R. Vidal, M. Binkley, Alvin V. Tollestrup, Robert G. Wagner, L. Demortier, D. H. Kim, A. Scribano, M. Roach, Itsuo Nakano, K. Chadwick, Jay Hauser, Avraham Yagil, T. Baumann, Alan Garfinkel, V. Bolognesi, Giorgio Bellettini, M. H. Schub, T. L. Watts, Richard Hughes, S. Kanda, H. Grassmann, M. Cordelli, Brian L Winer, Stefano Belforte, P. Hurst, F. Cervelli, Henrik Jeldtoft Jensen, Mosè Mariotti, Giuseppe Francesco Tartarelli, Wen Li, J. Rhoades, Mark Campbell, Jae-Chul Yun, Sandra Leone, J. T. Carroll, William Chinowsky, J. Wyss, V. Scarpine, Virgil E Barnes, D. Connor, John Huth, W. K. Sakumoto, C. Nelson, S. Geer, S. Miscetti, S. Segler, T. Rohaly, C. Grosso-Pilcher, S. E. Kuhlmann, L. F. Nakae, P. Kesten, W. Carithers, Colin Jessop, B. T. Huffman, M. Miller, D. Crane, Shlomit Tarem, L. A. Markosky, H. H. Williams, A. Bamberger, G. Punzi, Claudio Campagnari, N. M. Shaw, Nicola Bacchetta, S. B. Kim, A. Stefanini, M. Mishina, A. Menzione, E. Kuns, N. Giokaris, Don Frederic DeJongh, M. Atac, M. Ninomiya, S. Zucchelli, R. E. Blair, F. Rimondi, James Nugent Bellinger, J. Yoh, Dominic Smith, Robert M Harris, S. Edner, S. Bertolucci, R. Mattingly, A. Yamashita, A. Byon-Wagner, Rolland P. Johnson, Richard Dante St Denis, H. Iso, R. Carey, R. L. Wagner, H. S. Budd, N. Wainer, Fumihiko Ukegawa, Roy F Schwitters, S. Cihangir, R. J. Hollebeek, A. W. Booth, L. Pondrom, J. Skarha, K. Goulianos, H. Keutelian, Michelangelo L. Mangano, S. Tkaczyk, C. B. Luchini, Aurore Savoy-Navarro, A. Roodman, Peter McIntyre, A. Mukherjee, Angela Barbaro-Galtieri, R. C. Webb, Andrea Sansoni, William Wester, A. Gauthier, James Bensinger, P. Schlabach, U. Joshi, Kazuhiko Hara, Henry J. Frisch, M. Franklin, Thomas J. Devlin, Franco Bedeschi, S. Behrends, T. Hessing, M. Timko, P. Lukens, G. Sullivan, M. Yokoyama, P. Maas, Tony Liss, Y. Seiya, J. Siegrist, K. Yasuoka, T. Mimashi, M. Contreras, J. C. Freeman, Allan G Clark, Paola Giannetti, L. Keeble, Giorgio Apollinari, Yasuo Fukui, I. Karliner, N. S. Lockyer, Sebastian N. White, Larry D. Gladney, James Proudfoot, Teruki Kamon, T. Ino, Craig Blocker, C. T. Day, Giorgio Chiarelli, John W. Cooper, Maria Curatolo, K. Ragan, D. Dibitonto, Y. Morita, Eugene E. Schmidt, F. Zetti, C. Hawk, T. Westhusing, M. Takano, M. W. Bailey, A. Para, G.William Foster, P. Hu, C. Wendt, Nicola Turini, L. Holloway, L. Song, T. Fuess, Andrew Beretvas, A. T. Laasanen, L. E. Kirsch, Catherine Newman-Holmes, R. M. Keup, J. Patrick, R. Kephart, K. L. Byrum, Richard W. Kadel, Giovanni Busetto, Hans J. Wenzel, P. Giromini, William Trischuk, B. Hubbard, Anna Zanetti, Andrew R. Baden, Luciano Ristori, R. L. Swartz, Marjorie Shapiro, Jacobo Konigsberg, David Nathan Brown, R. K. Plunkett, K. Sliwa, D. R. Quarrie, J. J. Walsh, Arthur Barry Wicklund, E. Buckley-Geer, Riccardo Paoletti, Michael S. Gold, P. Sinervo, R. Markeloff, Bruce Denby, G. W. Brandenburg, Robert P. Ely, T. C. Meyer, R. D. Sard, Paul Tipton, S. Ogawa, D. Amidei, D. G. Underwood, S. Errede, John E. Elias, M. Incagli, E. Kovacs, Stephen R. Hahn, D. Theriot, P. Auchincloss, Duncan Carlsmith, E. Pare, J. P. Marriner, M. Sekiguchi, M. J. Shochet, J. S T Ng, M. Sheaff, Bellisario Esposito, S. Mikamo, A. Castro, Fumio Abe, K. Takikawa, Y. Tsay, D. A. Kardelis, L. Nodulman, Sarah Catherine Eno, Bruce A. Barnett, F. D. Snider, D. W. Gerdes, J. Tonnison, S. Miyashita, Thomas J. Phillips, E. Kearns, P. F. Derwent, C. Redlinger, S. Moulding, J. I. Lamoureux, R. Handler, S. Dell'Agnello, Gong Ping Yeh, S. Vejcik, B. Flaugher, James Mueller, Mauro Dell'Orso, C. Haber, Kiminori Kondo, Y. Funayama, J. P. Berge, R. J. Cashmore, C. Boswell, R. B. Drucker, and S. Bhadra
Subjects: Physics, Particle decay, Particle physics, Computer Science::Information Retrieval, General Physics and Astronomy, Transverse mass, High Energy Physics::Experiment, Elementary particle, Collider Detector at Fermilab, Prime (order theory), Boson, Standard Model, Vector boson
Abstract: The {ital W}{prime} is a charged, heavy, vector boson predicted to exist by some extensions of the standard model. We have searched for the processes {ital W}{prime}{r arrow}{ital e}{nu} and {ital W}{prime}{r arrow}{mu}{nu} for {ital M}{sub {ital W}{prime}}{gt}100 GeV/{ital c}{sup 2}, in {ital {bar p}p} collisions at {radical}{ital s} =1.8 TeV, using data taken with the Collider Detector at Fermilab. The nonobservation of these processes leads to a lower limit of 520 Gev/{ital c}{sup 2} (95% confidence level) on the mass of the {ital W}{prime}, assuming standard-strength couplings to three fermion generations.
Published: 1991
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24. Determinaiton ofsin2θ¯Wfrom the forward-backward asymmetry inpp¯→Z0X→e+e−Xinteractions at √s=1.8 TeV

Author: K. L. Byrum, T. Baumann, M. Cordelli, P. Giromini, Brian L Winer, R. G. Wagner, C. P. Jessop, M. Binkley, S. Kanda, J. Rhoades, A. Scribano, P. Schlabach, S. Behrends, Jacobo Konigsberg, N. Wainer, M. Gold, William Chinowsky, A. Para, G. W. Foster, S. Cihangir, R. E. Blair, Itsuo Nakano, J. R. Bensinger, Alan Garfinkel, J. J. Walsh, F. Rimondi, A. Yamashita, P. McIntyre, M. H. Schub, A. Barbaro-Galtieri, V. Scarpine, Virgil E Barnes, H. Keutelian, Henry J. Frisch, J. F. Patrick, Shlomit Tarem, M. Sheaff, A. Baden, S. Tkaczyk, Bellisario Esposito, M. Niomiya, J. C. Yun, U. Joshi, B. Hubbard, M. Mishina, S. B. Kim, G. P. Yeh, A. Menzione, S. Miscetti, Fumihiko Ukegawa, Giorgio Chiarelli, K. Ragan, Mark Campbell, R. Markeloff, S. Mikamo, T. Mimashi, Jay Hauser, F. Cervelli, S. E. Kuhlmann, T. J. Phillips, Larry D. Gladney, S. Vejcik, Y. Morita, A. B. Wicklund, R. L. Wagner, K. Goulianos, A. Mukherjee, M. Yokoyama, Claudio Campagnari, N. M. Shaw, A. W. Booth, E. E. Schmidt, C. T. Day, P. Hurst, Sandra Leone, L. Song, J. Yoh, Dominic Smith, T. Ino, George Redlinger, A. Savoy-Navarro, N. S. Lockyer, T. Westhusing, Franco Bedeschi, W. K. Sakumoto, F. Tartarelli, Wen Li, James Mueller, M. Contreras, A. Yagil, H. Grassmann, Paola Giannetti, B. A. Barnett, L. Keeble, S. Geer, D. Connor, J. N. Bellinger, G. W. Brandenburg, M. Roach, Teruki Kamon, R. K. Plunkett, Craig Blocker, C. Grosso-Pilcher, Stefano Belforte, M. Takano, R. L. Swartz, Mauro Dell'Orso, C. Haber, L. Holloway, Y. Seiya, P. Kesten, L. Ristori, E. Kuns, E. Buckley-Geer, R. Hughes, E. Pare, A. Tollestrup, Catherine Newman-Holmes, J. P. Marriner, P. Sinervo, L. Pondrom, Rolland P. Johnson, E. Kearns, M. Sekiguchi, N. Giokaris, T. Devlin, D. A. Kardelis, R. Paoletti, F. Zetti, C. Hawk, P. F. Derwent, Bt Huffman, Christina Nelson, D. G. Underwood, S. Ogawa, J. Cooper, R. M. Keup, J. E. Elias, H. Iso, A. T. Laasanen, L. Nodulman, J. I. Lamoureux, Duncan A. Brown, J. Siegrist, T. M. Liss, M. Incagli, R. J. Hollebeek, R. C. Webb, T. L. Watts, D. Theriot, M. Miller, Duncan Carlsmith, D. Amidei, Sarah Catherine Eno, R. Kephart, F. D. Snider, S. R. Hahn, T. Rohaly, K. Sliwa, D. Crane, K. Chadwick, G. Punzi, D. R. Quarrie, A. Roodman, A. Gauthier, S. Segler, Kazuhiko Hara, H. S. Budd, S. N. White, J. Tonnison, R. St. Denis, S. Miyashita, P. Maas, Yasuo Fukui, I. Karliner, L. E. Kirsch, M. Franklin, T. Hessing, M. Timko, J. C. Freeman, A. Byon, P. Hu, R. W. Kadel, L. F. Nakae, M. Mangano, William Trischuk, J. Proudfoot, W. Carithers, R. Mattingly, L. A. Markosky, Giovanni Bellettini, R. M. Harris, R. Carey, J. Skarha, Y. Tsay, M. J. Shochet, J. S T Ng, Fumio Abe, K. Takikawa, H. H. Williams, M. Atac, Roy F Schwitters, C. B. Luchini, L. Demortier, V. Bolognesi, J. T. Carroll, John Huth, G. Sullivan, Maria Curatolo, A. G. Clark, Robert P. Ely, T. C. Meyer, R. D. Sard, Paul Tipton, D. Dibitonto, C. Wendt, S. Errede, Giorgio Apollinari, W. C. Wester, Andrea Sansoni, K. Yasuoka, A. M. Stefanini, Andrew Beretvas, M. Shaprio, S. Moulding, R. Handler, S. Dell'Agnello, S. Bertolucci, J. P. Berge, R. J. Cashmore, C. Boswell, R. B. Drucker, P. Auchincloss, B. Flaugher, Sanchita Bhadra, Kiminori Kondo, A. Bamberger, and Y. Funayama
Subjects: Physics, media_common.quotation_subject, General Physics and Astronomy, Elementary particle, Weinberg angle, Asymmetry, Standard Model, Nuclear physics, Particle decay, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Collider Detector at Fermilab, media_common, Lepton, Boson
Abstract: An analysis of the forward-backward asymmetry in {ital Z}{sup 0} decays using data from the Collider Detector at Fermilab at {radical}{ital s} =1.8 TeV yields {ital A}{sub {ital F}{ital B}}=(5.2{plus minus}5.9(stat){plus minus}0.4(syst))% and sin{sup 2}{bar {theta}}{sub {ital W}} =0.228{sub {minus}0.015}{sup +0.017}(stat){plus minus}0.002(syst).
Published: 1991
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25. Measurement of QCD jet broadening inpp¯collisions ats=1.8TeV

Author: V. Scarpine, Virgil E Barnes, Se Kuhlmann, Catherine Newman-Holmes, A. Barbaro-Galtieri, L. Gladney, D. Dibitonto, H. Keutelian, F. D. Snider, P. Sestini, A. W. Booth, G. Ascoli, F. Marchetto, S. Kanda, J. Rhoades, A. Scribano, R. L. Wagner, K. Chadwick, Fridolin Dittus, K. Goulianos, A. Menzione, A. Roodman, Thomas J. Devlin, S. Cihangir, James Bensinger, B. Flaugher, Franco Bedeschi, D. Quarrie, Marjorie Shapiro, A. Byon, M. Contreras, Peter McIntyre, R. C. Webb, E. Kearns, V. Bolognesi, Riccardo Paoletti, James Proudfoot, D. Amidei, P. Sinervo, M. Binkley, David Underwood, Yasuo Fukui, Guido Tonelli, M. Cordelli, P. Hurst, P. Berge, J. T. Carroll, P. Auchincloss, William Trischuk, B. Hubbard, S. Errede, G. P. Yeh, R. G. Wagner, F. Rimondi, W. Carithers, Luciano Ristori, Henry J. Frisch, Ettore Focardi, T. Hessing, T. Mimashi, Andrea Sansoni, J. Cooper, J. Walsh, T. M. Liss, R. Markeloff, M. Shibata, K. Yasuoka, S. H. Kim, Lawrence Nodulman, K. Ragan, U. E. Kruse, W. Chinowsky, T. J. Phillips, R. E. Blair, M. Franklin, A. Para, L. A. Markosky, Giovanni Bellettini, T. Westhusing, S. R. Hahn, Maria Curatolo, A. Yamashita, H. Piekarz, Y. Morita, C. Grosso-Pilcher, R. M. Harris, R. Carey, D. N. Brown, J. C. Freeman, N. S. Lockyer, K. L. Byrum, U. Joshi, R. Vidal, J. Patrick, George Redlinger, Andrew Beretvas, R. D. Sard, H. H. Williams, J. Skarha, A. Stefanini, N. Mondal, G. W. Foster, M. Atac, S. Bertolucci, M. Sekiguchi, Paola Giannetti, J. Huth, R. Cashmore, R. P. Johnson, R. W. Kadel, Giorgio Apollinari, P. Hu, Alan Garfinkel, Roy F Schwitters, Stefano Belforte, M. H. Schub, S. Miyashita, Teruki Kamon, Henrik Jeldtoft Jensen, Craig Blocker, David B. Cline, S. Miscetti, J. Bofill, R. St. Denis, R. Handler, L. Pondrom, J. E. Elias, J. Yoh, I. Karliner, S. Segler, M. Miller, P. Schlabach, M. Gold, C. Day, L. E. Kirsch, F. Cervelli, Wen Li, R. Delfabbro, P. Kesten, Kiminori Kondo, Y. Takaiwa, R. J. Hollebeek, R. Plunkett, J. Siegrist, Shigeki Mori, T. L. Watts, T. Rohaly, M. Sheaff, A. Baden, Bellisario Esposito, S. Mikamo, G. Punzi, Jay Hauser, R. Ely, R. Diebold, A. Mukherjee, A. Divirgilio, D. Connor, J. N. Bellinger, T. Yamanouchi, Mauro Dell'Orso, F. Zetti, C. Haber, D. A. Kardelis, T. Meyer, S. Bhadra, L. Demortier, R. Kephart, A. T. Laasanen, M. J. Shochet, J. S T Ng, Y. Tsay, D. A. Smith, Fumio Abe, K. Takikawa, M. Mishina, Fumihiko Ukegawa, M. Campbell, A. B. Wicklund, E. E. Schmidt, G. W. Brandenburg, T. Chapin, A. Tollestrup, Paul Schoessow, D. Theriot, Behrends S, Duncan Carlsmith, P. Giromini, Nikos Giokaris, Sebastian N. White, Giorgio Chiarelli, and A. Feldman
Subjects: Coupling constant, Physics, Quantum chromodynamics, Particle physics, Computer Science::Information Retrieval, Elementary particle, Jet (particle physics), Gluon, Nuclear physics, High Energy Physics::Experiment, Collider Detector at Fermilab, Energy (signal processing), ComputingMethodologies_COMPUTERGRAPHICS, Boson
Abstract: A measurement of the QCD jet-broadening parameter {l angle}{ital Q}{sub {ital T}}{r angle} is described for high-{ital E}{sub {ital T}} jet data in the central calorimeter of the Collider Detector at Fermilab. This method involves the use of a global event parameter which is free from the ambiguities associated with the definition and separation of individual clusters. The parameter {ital Q}{sub {ital T}} is defined as the scalar sum of the transverse momentum perpendicular to the transverse thrust axis. Parton-level QCD predictions are made for {l angle}{ital Q}{sub {ital T}}{r angle} as a function of {ital E}{sub {ital T}}, the total transverse energy in the events, and suggest that a measurement would show a dependence on the running of the strong coupling constant {alpha}{sub {ital s}}. Comparisons are made to first-order QCD parton-level calculations, as well as to fully evolved and hadronized leading-log simulations.
Published: 1991
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26. Measurement ofσB(W→eν)andσB(Z0→e+e−)inp¯pcollisions ats=1800GeV

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, A. Bamberger, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, A. W. Booth, G. Brandenburg, D. Brown, E. Buckley, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, S. Dell'Agnello, M. Dell'Orso, L. Demortier, P. F. Derwent, T. Devlin, D. DiBitonto, R. B. Drucker, K. Einsweiler, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, S. Leone, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, A. Mukherjee, L. F. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, R. L. Swartz, M. Takano, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, G. Tonelli, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester, T. Westhusing, S. N. White, A. B. Wicklund, H. H. Williams, B. L. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Physics, Antiparticle, Particle physics, Top quark, Branching fraction, Computer Science::Information Retrieval, High Energy Physics::Experiment, Production (computer science), Elementary particle, Collider Detector at Fermilab, Standard Model, Boson
Abstract: An analysis of high-transverse-momentum electrons using data from the Collider Detector at Fermilab (CDF) of {ital {bar p}p} collisions at {radical}{ital s} =1800 GeV yields values of the production cross section times branching ratio for {ital W} and {ital Z}{sup 0} bosons of {sigma}({ital {bar p}p}{r arrow}{ital WX}{r arrow}{ital e}{nu}{ital X})=2.19{plus minus}0.04(stat){plus minus}0.21(syst) nb and {sigma}({ital {bar p}p}{r arrow}{ital Z}{sup 0}{ital X}{r arrow}{ital e}{sup +}{ital e{minus}}{ital X})=0.209{plus minus}0.013(stat) {plus minus}0.017(syst) nb. Detailed descriptions of the CDF electron identification, background, efficiency, and acceptance are included. Theoretical predictions of the cross sections that include a mass for the top quark larger than the {ital W} mass, current values of the {ital W} and {ital Z}{sup 0} masses, and higher-order QCD corrections are in good agreement with these measured values.
Published: 1991
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27. Measurement of theW-bosonPTdistribution inp¯pcollisions at √s=1.8 TeV

Author: Wen Li, L. Song, R. L. Wagner, G. Sullivan, A. Yagil, K. Goulianos, Y. Tsay, S. Ogawa, P. Kesten, Maria Curatolo, Jay Hauser, J. Siegrist, T. M. Liss, R. L. Swartz, Marjorie Shapiro, P. Hurst, Franco Bedeschi, F. Tartarelli, M. Contreras, T. Ino, R. Cousins, W. Carithers, N. Giokaris, E. Buckley-Geer, P. Sinervo, Andrea Sansoni, H. Grassmann, L. A. Markosky, K. Yasuoka, P. Schlabach, S. Behrends, M. Takano, S. N. White, J. Tonnison, S. Miyashita, A. Mukherjee, George Redlinger, M. Incagli, D. Theriot, L. Pondrom, M. Mangano, H. H. Williams, Giovanni Bellettini, R. M. Harris, S. R. Hahn, Catherine Newman-Holmes, R. Carey, A. Savoy-Navarro, Sandra Leone, J. E. Elias, W. K. Sakumoto, H. Iso, A. Para, Duncan Carlsmith, Paola Giannetti, B. A. Barnett, L. Keeble, R. Mattingly, A. Roodman, A. M. Stefanini, C. P. Jessop, C. T. Day, J. Skarha, D. Connor, J. N. Bellinger, Andrew Beretvas, A. Gauthier, G. W. Foster, S. Kanda, R. J. Hollebeek, S. Geer, J. Rhoades, A. W. Booth, M. Atac, Teruki Kamon, Kazuhiko Hara, Dominic Smith, T. Westhusing, A. Barbaro-Galtieri, H. Keutelian, M. Franklin, P. Maas, T. Hessing, K. L. Byrum, Jacobo Konigsberg, Craig Blocker, E. Pare, F. Zetti, C. Hawk, Henry J. Frisch, J. P. Marriner, L. Ristori, Yasuo Fukui, I. Karliner, P. Giromini, M. Gold, William Chinowsky, R. Hughes, A. Tollestrup, J. C. Freeman, William Trischuk, M. Sekiguchi, C. Grosso-Pilcher, M. Sheaff, A. Baden, Bellisario Esposito, K. Ragan, S. Cihangir, M. Timko, Shlomit Tarem, T. Devlin, R. K. Plunkett, A. Scribano, J. J. Walsh, T. L. Watts, Roy F Schwitters, T. Baumann, M. Cordelli, Brian L Winer, P. Hu, E. Kuns, J. Cooper, S. Mikamo, R. M. Keup, M. Mishina, Fumihiko Ukegawa, J. C. Yun, W. C. Wester, C. B. Luchini, Mark Campbell, R. G. Wagner, J. F. Patrick, Rolland P. Johnson, R. Kephart, A. Byon, T. Rohaly, A. B. Wicklund, B. Hubbard, Giorgio Chiarelli, S. E. Kuhlmann, R. Paoletti, Christina Nelson, D. G. Underwood, E. E. Schmidt, S. Tkaczyk, K. Sliwa, D. R. Quarrie, Bt Huffman, D. Crane, R. Vidal, S. B. Kim, A. T. Laasanen, M. Binkley, R. Markeloff, R. W. Kadel, K. Chadwick, Stefano Belforte, L. Demortier, G. Punzi, G. J. Feldman, G. W. Brandenburg, G. P. Yeh, S. Segler, L. F. Nakae, R. E. Blair, Henrik Jeldtoft Jensen, Claudio Campagnari, N. M. Shaw, L. E. Kirsch, F. Rimondi, A. Yamashita, V. Bolognesi, T. Mimashi, J. T. Carroll, H. S. Budd, R. C. Webb, M. Miller, John Huth, T. J. Phillips, Larry D. Gladney, R. St. Denis, N. S. Lockyer, D. Amidei, Y. Morita, Duncan A. Brown, M. Ninomiya, J. Yoh, J. Proudfoot, N. Wainer, S. Errede, Giorgio Apollinari, M. Roach, D. Dibitonto, U. Joshi, C. Wendt, S. Miscetti, A. G. Clark, Robert P. Ely, T. C. Meyer, R. D. Sard, Paul Tipton, V. Scarpine, Virgil E Barnes, A. Menzione, F. Cervelli, M. Yokoyama, L. Holloway, M. W. Bailey, S. Moulding, R. Handler, S. Dell'Agnello, B. Flaugher, Sanchita Bhadra, Kiminori Kondo, A. Bamberger, Y. Funayama, S. Bertolucci, J. P. Berge, R. J. Cashmore, C. Boswell, R. B. Drucker, P. Auchincloss, Fumio Abe, K. Takikawa, M. J. Shochet, J. S T Ng, E. Kearns, P. F. Derwent, J. I. Lamoureux, S. Vejcik, James Mueller, Mauro Dell'Orso, C. Haber, Itsuo Nakano, J. R. Bensinger, Alan Garfinkel, P. McIntyre, M. H. Schub, Y. Seiya, D. A. Kardelis, L. Nodulman, Sarah Catherine Eno, and F. D. Snider
Subjects: Physics, Scattering cross-section, Particle physics, Annihilation, Computer Science::Information Retrieval, General Physics and Astronomy, Elementary particle, T distribution, Standard Model, Nuclear physics, Particle decay, High Energy Physics::Experiment, Nuclear Experiment, Collider Detector at Fermilab, Boson
Abstract: Using the Collider Detector at Fermilab, the {ital W}-boson differential cross section {ital d}{sigma}/{ital dP}{sub {ital T}} is measured using {ital W}{r arrow}{ital e}{nu} events in proton-antiproton collisions at {radical}{ital s} =1.8 TeV. A next-to-leading-order theoretical calculation agrees well with the data. The cross section ({sigma}) for {ital P}{sub {ital T}}{gt}50 GeV/{ital c} is measured to be 423{plus minus}58(stat){plus minus}108(syst) pb.
Published: 1991
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28. Measurement of theW-boson mass in 1.8-TeVp¯pcollisions

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, A. Bamberger, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, A. W. Booth, G. Brandenburg, D. Brown, E. Buckley, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, S. Dell'Agnello, M. Dell'Orso, L. Demortier, P. F. Derwent, T. Devlin, D. DiBitonto, R. B. Drucker, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, A. Mukherjee, L. F. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, D. Saltzberg, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, R. L. Swartz, M. Takano, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, G. Tonelli, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester, T. Westhusing, S. N. White, A. B. Wicklund, H. H. Williams, B. L. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Nuclear physics, Physics, Particle decay, Particle physics, Muon, Computer Science::Information Retrieval, Transverse mass, High Energy Physics::Experiment, Weinberg angle, Elementary particle, Collider Detector at Fermilab, Lepton, Boson
Abstract: We have determined {ital m}{sub {ital W}}=79.91{plus minus}0.39 GeV/{ital c}{sup 2} from an analysis of {ital W}{r arrow}{ital e}{nu} and {ital W}{r arrow}{mu}{nu} data from the Collider Detector at Fermilab in {ital {bar p}p} collisions at {radical}{ital s} =1.8 TeV. From this result and the world-average {ital Z} mass, the weak mixing angle is determined to be sin{sup 2}{theta}{sub {ital W}}=0.232{plus minus}0.008. An upper bound on the top-quark mass derived from this result is discussed.
Published: 1991
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29. Top-quark search in the electron + jets channel in proton-antiproton collisions ats=1.8TeV

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, A. Bamberger, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, A. W. Booth, G. Brandenburg, D. Brown, E. Buckley, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, S. Dell'Agnello, M. Dell'Orso, L. DeMortier, P. F. Derwent, T. Deylin, D. DiBitonto, R. B. Drucker, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, S. Kim, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, L. Kirsch, K. Kondo, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, P. McIntyre, A. Menzione, T. Meyer, L. A. Markosky, R. Mattingly, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, A. Mukherjee, Y. Muraki, L. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, R. L. Swartz, M. Takano, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, G. Tonelli, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester, T. Westhusing, S. White, A. Wicklund, H. H. Williams, B. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Nuclear physics, Physics, Top quark, Particle physics, Proton, Neutral current, Antiproton, Transverse mass, Electron, Channel (broadcasting)
Published: 1991
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30. Jet-fragmentation properties inp¯pcollisions at √s=1.8 TeV

Author: F. Abe, D. Amidei, G. Apollinari, G. Ascoli, M. Atac, P. Auchincloss, A. R. Baden, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, J. Bofill, A. W. Booth, G. Brandenburg, D. Brown, A. Byon, K. L. Byrum, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, T. Chapin, G. Chiarelli, W. Chinowsky, S. Cihangir, D. Cline, D. Connor, M. Contreras, J. Cooper, M. Cordelli, M. Curatolo, C. Day, R. DelFabbro, S. Dell’Agnello, M. Dell’Orso, L. DeMortier, T. Devlin, D. DiBitonto, R. Diebold, F. Dittus, A. DiVirgilio, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, E. Focardi, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, A. F. Garfinkel, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, P. Hu, B. Hubbard, P. Hurst, J. Huth, H. Jensen, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, U. Kruse, S. E. Kuhlmann, A. T. Laasanen, W. Li, T. Liss, N. Lockyer, F. Marchetto, R. Markeloff, L. A. Markosky, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, N. Mondal, S. Mori, Y. Morita, A. Mukherjee, C. Newman-Holmes, L. Nodulman, R. Paoletti, A. Para, J. Patrick, T. J. Phillips, H. Piekarz, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. Sard, V. Scarpine, P. Schlabach, E. E. Schmidt, P. Schoessow, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shibata, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, D. A. Smith, F. D. Snider, R. St.Denis, A. Stefanini, Y. Takaiwa, K. Takikawa, S. Tarem, D. Theriot, A. Tollestrup, G. Tonelli, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, T. Westhusing, S. White, A. Wicklund, H. H. Williams, T. Yamanouchi, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, and F. Zetti
Subjects: Quantum chromodynamics, Physics, Particle physics, Computer Science::Information Retrieval, General Physics and Astronomy, Elementary particle, Charged particle, Gluon, High Energy Physics::Experiment, Invariant mass, Quantum field theory, Nuclear Experiment, Collider Detector at Fermilab, Boson
Abstract: The charged-particle fractional momentum distribution within jets, {ital D}({ital z}), has been measured in dijet events from 1.8-TeV {ital {bar p}p} collisions in the Collider Detector at Fermilab. As expected from scale breaking in quantum chromodynamics, the fragmentation function {ital D}({ital z}) falls more steeply as dijet invariant mass increases from 60 to 200 GeV/{ital c}{sup 2}. The average fraction of the jet momentum carried by charged particles is 0.65{plus minus}0.02(stat){plus minus}0.08(syst).
Published: 1990
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31. Pseudorapidity distributions of charged particles produced inp¯pinteractions ass=630and 1800 GeV

Author: Guido Tonelli, H. H. Williams, A. Stefanini, D. A. Kardelis, M. Atac, S. Bertolucci, George Redlinger, Roy F Schwitters, Henry J. Frisch, Jay Hauser, L. Pondrom, Ettore Focardi, R. Ely, T. Meyer, G. Chiarelli, D. A. Smith, S. Bhadra, J. E. Elias, K. Ragan, D. Connor, J. N. Bellinger, B. Flaugher, R. L. Wagner, K. Goulianos, J. T. Carroll, C. Haber, Fumio Abe, A. Mukherjee, T. Chapin, K. Takikawa, E. Kearns, R. Diebold, A. Divirgilio, Se Kuhlmann, M. Dell'Orso, F. Zetti, F. Marchetto, David Underwood, P. Hurst, M. J. Shochet, A. Tollestrup, M. Gold, J. Cooper, A. Scribano, M. Sheaff, A. Baden, G. P. Yeh, Bellisario Esposito, Marjorie Shapiro, S. Mikamo, Riccardo Paoletti, M. Contreras, L. Demortier, L. E. Kirsch, R. D. Sard, T. Mimashi, J. Patrick, S. H. Kim, T. Devlin, W. Carithers, V. Scarpine, Virgil E Barnes, T. L. Watts, P. Sinervo, L. A. Markosky, T. J. Phillips, C. Grosso-Pilcher, Y. Takaiwa, R. J. Hollebeek, R. Plunkett, R. M. Harris, R. P. Johnson, K. Chadwick, Y. Morita, R. Carey, R. Kephart, M. Franklin, T. Yamanouchi, A. Para, P. Sestini, Shigeki Mori, A. Menzione, M. Binkley, J. C. Freeman, J. Skarha, D. Dibitonto, J. Siegrist, A. T. Laasanen, P. Giannetti, R. Handler, G. Bellettini, F. Cervelli, Wen Li, Shlomit Tarem, D. N. Brown, T. Rohaly, K. L. Byrum, T. Hessing, Y. Tsay, U. E. Kruse, R. Vidal, Maria Curatolo, A. W. Booth, R. Delfabbro, R. C. Webb, P. Kesten, C. Day, P. Hu, Kiminori Kondo, N. Mondal, A. Roodman, S. Cihangir, T. Westhusing, Andrea Sansoni, S. R. Hahn, J. Huth, F. Rimondi, James Bensinger, Alan Garfinkel, K. Yasuoka, M. H. Schub, M. Cordelli, R. G. Wagner, S. Errede, Andrew Beretvas, Yasuo Fukui, R. St. Denis, F. D. Snider, W. Chinowsky, R. E. Blair, A. Yamashita, H. Piekarz, Paul Schoessow, Catherine Newman-Holmes, Fridolin Dittus, D. Theriot, G. Ascoli, A. Byon, S. Kanda, J. Rhoades, Duncan Carlsmith, M. Mishina, Fumihiko Ukegawa, M. Campbell, A. B. Wicklund, E. E. Schmidt, G. W. Brandenburg, N. S. Lockyer, G. Punzi, P. Giromini, M. Sekiguchi, R. Cashmore, U. Joshi, Lawrence Nodulman, Nikos Giokaris, J. Yoh, Sebastian N. White, Giorgio Apollinari, Teruki Kamon, Craig Blocker, David B. Cline, P. Auchincloss, A. Barbaro-Galtieri, L. Gladney, H. Keutelian, James Proudfoot, D. Amidei, T. M. Liss, Stefano Belforte, Henrik Jeldtoft Jensen, S. Miscetti, L. Ristori, F. Bedeschi, Peter McIntyre, I. Karliner, D. Quarrie, S. Segler, P. Berge, M. Miller, P. Schlabach, J. Walsh, R. W. Kadel, J. Bofill, B. Hubbard, R. Markeloff, M. Shibata, G. W. Foster, and S. Miyashita
Subjects: Systematic error, Physics, Nuclear physics, Particle physics, Particle properties, Pseudorapidity, Particle detector, Lower energy, Charged particle, Bar (unit)
Abstract: We present measurements of the pseudo-rapidity (η) distribution of charged particles (dNch/dη) produced within |η|≤ 3.5 in proton-antiproton collisions at s= of 630 and 1800 GeV. We measure dNch/dη at η = 0 to be 3.18±0.05(stat)±0.10(sys) at 630 GeV, and 3.95±0.02(stat)±0.13(sys) at 1800 GeV. Many systematic errors in the ratio of dNch dη at the two energies cancel, and we measure 1.26±0.01±0.04 for the ratio of dNch/dη at 1800 GeV to that at 630 GeV within |η|≤ 3. Comparing to lower energy data, we observe an increase faster than In(s) in dNch dη at η=0
Published: 1990
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32. Two-jet invariant0mass distribution ats=1.8TeV

Author: F. Abe, D. Amidei, G. Apollinari, G. Ascoli, M. Atac, P. Auchincloss, A. R. Baden, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, J. Bofill, A. W. Booth, G. Brandenburg, D. Brown, A. Byon, K. L. Byrum, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, T. Chapin, G. Chiarelli, W. Chinowsky, S. Cihangir, D. Cline, D. Connor, M. Contreras, J. Cooper, M. Cordelli, M. Curatolo, C. Day, R. DelFabbro, M. Dell'Orso, L. DeMortier, T. Devlin, D. DiBitonto, R. Diebold, F. Dittus, A. DiVirgilio, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, e. Focardi, G. W. Foster, M. Franlin, J. Freeman, H. Frisch, Y. Fukui, A. F. Garfinkel, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, C. Gross-Pilcher, C. Haber, S. R. Hahn, R. Handler, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, P. Hu, B. Hubbard, P. Hurst, J. Huth, H. Jensen, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I Karliner, E. Kearns, R. Kephart, P. Kesten, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, U. Kruse, S. E. Kuhlmann, A. T. Laasanen, W. Li, T. Liss, N. Lockyer, F. Marchetto, R. Makeloff, L. A. Markosky, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, N. Mondal, S. Mori, Y. Morita, A. Mukherjee, C. Newman-Holmes, L. Nodulman, R. Paoletti, A. Para, J. Patrick, T. J. Phillips, H. Piekarz, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. Sard, V. Scarpine, P. Schlabach, E. E. Schmidt, P. Schoessow, M. H. Schub, R. Schwotters, A. Scribano, S. Segler, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shibata, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, Y. Takaiwa, K. Takikawa, S. Tarem, D. Theriot, P. Tipton, A. Tollestrup, G. Tonelli, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, T. Wethusing, S. White, A. Wicklund, H. H. Williams, T. Yamanouchi, A. Yamashita, K. Yasuoka, G. p. Yeh, J. Yoh, and F. Zetti
Subjects: Quantum chromodynamics, Physics, Particle physics, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Elementary particle, Spectral line, Gluon, Nuclear physics, Pseudorapidity, High Energy Physics::Experiment, Invariant mass, Nuclear Experiment, Collider Detector at Fermilab, Boson
Abstract: We present the dijet invariant-mass distribution in the region between 60 and 500 GeV, measured in 1.8-TeV {ital {bar p}p} collisions in the Collider Detector at Fermilab. Jets are restricted to the pseudorapidity interval {vert bar}{eta}{vert bar}{lt}0.7. Data are compared with QCD calculations; axigluons are excluded with 95% confidence in the region 120{lt}{ital M}{sub {ital A}}{lt}210 GeV for axigluon width {Gamma}{sub {ital A}}={ital N}{alpha}{sub s}{ital M}{sub {ital A}}/6, with {ital N}=5.
Published: 1990
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33. Measurement ofD/emph>production in jets fromp¯pcollisions at√s =1.8TeV

Author: F. Abe, D. Amidei, G. Apollinari, G. Ascoli, M. Atac, P. Auchincloss, A. R. Baden, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, J. Bofill, A. W. Booth, G. Brandenburg, D. Brown, A. Byon, K. L. Byrum, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, T. Chapin, G. Chiarelli, W. Chinowsky, S. Cihangir, D. Cline, D. Connor, M. Contreras, J. Cooper, M. Cordelli, M. Curatolo, C. Day, R. DelFabbro, M. Dell’Orso, L. DeMortier, T. Devlin, D. DiBitonto, R. Diebold, F. Dittus, A. DiVirgilio, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, E. Focardi, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, A. F. Garfinkel, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, P. Hu, B. Hubbard, P. Hurst, J. Huth, H. Jensen, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, U. Kruse, S. E. Kuhlmann, A. T. Laasanen, W. Li, T. Liss, N. Lockyer, F. Marchetto, R. Markeloff, L. A. Markosky, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, N. Mondal, S. Mori, Y. Morita, A. Mukherjee, C. Newman-Holmes, L. Nodulman, R. Paoletti, A. Para, J. Patrick, T. J. Phillips, H. Piekarz, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. Sard, V. Scarpine, P. Schlabach, E. E. Schmidt, P. Schoessow, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shibata, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, Y. Takaiwa, K. Takikawa, S. Tarem, D. Theriot, A. Tollestrup, G. Tonelli, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, T. Westhusing, S. White, A. Wicklund, H. H. Williams, T. Yamanouchi, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, and F. Zetti
Subjects: Physics, Particle physics, Meson, Computer Science::Information Retrieval, Hadron, General Physics and Astronomy, Elementary particle, Particle identification, Nuclear physics, Pion, High Energy Physics::Experiment, Production (computer science), Collider Detector at Fermilab, Energy (signal processing)
Abstract: The production rate of charged {ital D}{sup *} mesons in jets has been measured in 1.8-TeV {ital {bar p}p} collisions at the Fermilab Tevatron with the Collider Detector at Fermilab. In a sample of approximately 32 300 jets with a mean transverse energy of 47 GeV obtained from an exposure of 21.1 nb{sup {minus}1}, a signal corresponding to 25.0{plus minus}7.5(stat){plus minus}2.0(syst) {ital D}{sup *{plus minus}}{r arrow}K{sup {minus plus}}{pi}{sup {plus minus}}{pi}{sup {plus minus}} events is seen above background. This corresponds to a ratio {ital N}({ital D}{sup *+}+D{sup *{minus}})/N(jet) =0.10{plus minus}0.03{plus minus}0.03 for {ital D}{sup *} mesons with fractional momentum {ital z} greater than 0.1.
Published: 1990
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34. Search for new heavy quarks in electron-muon events at the Fermilab Tevatron Collider

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, A. Bamberger, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, A. W. Booth, G. Brandenburg, D. Brown, E. Buckley, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, S. Dell’Agnello, M. Dell’Orso, L. DeMortier, P. F. Derwent, T. Devlin, D. DiBitonto, R. B. Drucker, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, A. Mukherjee, Y. Muraki, L. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, R. L. Swartz Jr., M. Takano, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, G. Tonelli, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester III, T. Westhusing, S. White, A. Wicklund, H. H. Williams, B. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Physics, Top quark, Particle physics, Muon, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Context (language use), Particle identification, Nuclear physics, High Energy Physics::Experiment, Production (computer science), Collider Detector at Fermilab, Lepton
Abstract: A search for {ital t{bar t}}{r arrow}{ital e}{mu}+{ital X} in {ital p{bar p}} collisions at {ital s}{bar {radical}} TeV is described. The production and decay of top-quark--antiquark pairs is considered in the context of the standard model. The analysis is based on data with an integrated luminosity of 4.4 pb{sup {minus}1} recorded with the Collider Detector at Fermilab. An upper limit on the {ital t{bar t}} cross section is obtained, and the top quark in the mass range 28--72 GeV/{ital c}{sup 2} is excluded at the 95% C.L. The same limits apply to a possible fourth-generation, charge {minus}1/3, {ital b}{prime} quark, decaying via the charged current.
Published: 1990
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35. Search for the top quark in the reactionp¯p→electron+jets at√s =1.8TeV

Author: Stefano Belforte, V. Scarpine, Virgil E Barnes, Henrik Jeldtoft Jensen, Jay Hauser, S. Miscetti, S. Errede, M. Sheaff, A. Baden, T. L. Watts, Richard Hughes, A. Barbaro-Galtieri, H. Keutelian, Bellisario Esposito, E. Kearns, A. W. Booth, R. Kephart, T. Rohaly, D. Dibitonto, C. Wendt, T. M. Liss, P. Sestini, S. Mikamo, H. H. Williams, D. Crane, M. Timko, Henry J. Frisch, R. L. Wagner, P. F. Derwent, L. A. Markosky, A. Byon, A. Stefanini, N. S. Lockyer, S. Tkaczyk, D. Connor, M. Atac, K. Goulianos, J. Proudfoot, G. Punzi, S. Bertolucci, J. N. Bellinger, A. Menzione, Giovanni Bellettini, R. M. Harris, Roy F Schwitters, B. Flaugher, J. I. Lamoureux, K. L. Byrum, R. Vidal, M. Binkley, Bt Huffman, R. K. Plunkett, R. Carey, G. P. Yeh, A. Scribano, C. B. Luchini, W. Carithers, A. G. Clark, Y. Seiya, S. Segler, M. J. Shochet, P. Giromini, M. Cordelli, Brian L Winer, J. Skarha, Robert P. Ely, T. Mimashi, T. C. Meyer, R. G. Wagner, R. D. Sard, Paul Tipton, A. Mukherjee, L. Demortier, M. Miller, T. J. Phillips, Larry D. Gladney, Franco Bedeschi, S. Cihangir, Y. Morita, Itsuo Nakano, K. Ragan, J. R. Bensinger, Alan Garfinkel, Kiminori Kondo, J. T. Carroll, Peter McIntyre, P. Hurst, George Redlinger, D. A. Kardelis, M. Contreras, John Huth, M. H. Schub, F. Zetti, Y. Funayama, R. E. Blair, M. Ninomiya, R. Mattingly, D. N. Brown, F. Rimondi, A. Yamashita, J. C. Yun, M. Yokoyama, S. Bhadra, Maria Curatolo, Sebastian N. White, E. Kuns, R. C. Webb, Rolland P. Johnson, Y. Muraki, Giorgio Chiarelli, S. Geer, C. P. Jessop, Aurore Savoy-Navarro, S. Kanda, L. Nodulman, H. Grassmann, J. Rhoades, D. Amidei, C. Grosso-Pilcher, S. R. Hahn, M. Mangano, M. Gold, William Chinowsky, S. Moulding, R. Handler, E. Pare, U. Joshi, L. Holloway, J. S T Ng, F. D. Snider, J. Patrick, Shlomit Tarem, R. L. Swartz, Marjorie Shapiro, T. Ino, S. Dell'Agnello, Mauro Dell'Orso, A. Bamberger, William Trischuk, J. P. Marriner, C. Haber, M. Sekiguchi, M. Takano, J. P. Berge, R. J. Cashmore, Riccardo Paoletti, Avraham Yagil, R. W. Kadel, P. Sinervo, A. T. Laasanen, R. B. Drucker, Catherine Newman-Holmes, Mark Campbell, D. G. Underwood, J. Tonnison, S. Miyashita, L. F. Nakae, P. Auchincloss, S. B. Kim, Y. Tsay, E. Buckley, S. E. Kuhlmann, J. J. Walsh, Fumio Abe, Claudio Campagnari, K. Takikawa, C. T. Day, T. Westhusing, J. Yoh, Paola Giannetti, Giorgio Apollinari, Teruki Kamon, Craig Blocker, J. Cooper, R. M. Keup, K. Sliwa, F. Cervelli, Wen Li, A. Tollestrup, D. R. Quarrie, T. Devlin, C. Nelson, M. Mishina, P. Kesten, Fumihiko Ukegawa, A. B. Wicklund, N. Giokaris, E. E. Schmidt, H. Iso, G. W. Brandenburg, S. Ogawa, R. J. Hollebeek, A. Roodman, A. Gauthier, M. Incagli, Kazuhiko Hara, D. Theriot, P. Maas, J. Siegrist, Yasuo Fukui, I. Karliner, Duncan Carlsmith, Dominic Smith, W. C. Wester, L. Pondrom, Andrea Sansoni, K. Yasuoka, Andrew Beretvas, J. E. Elias, L. E. Kirsch, P. Schlabach, S. Behrends, M. Franklin, T. Hessing, J. C. Freeman, A. Para, P. Hu, G. W. Foster, K. Chadwick, R. St. Denis, B. Hubbard, Luciano Ristori, R. Markeloff, and Guido Tonelli
Subjects: Physics, Particle physics, Top quark, Annihilation, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, General Physics and Astronomy, Elementary particle, Particle identification, High Energy Physics::Experiment, Production (computer science), Collider Detector at Fermilab, Energy (signal processing), Lepton
Abstract: A search for the top quark in {ital {bar p}p} collisions at a center-of-mass energy of 1.8 TeV using the Collider Detector at Fermilab is described. A study of events selected by requiring an energetic electron, missing transverse energy, and two or more jets excludes at 95% confidence level the standard-model production and decay of {ital t{bar t}} pairs if the top-quark mass is between 40 and 77 GeV/{ital c}{sup 2}. The observed electron + multijet data are consistent with {ital W}-boson production.
Published: 1990
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36. Measurement of the ratio σ(W→eν)/σ(Z→ee) inp¯pcollisions at√s =1.8TeV

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, A. Bamberger, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, A. W. Booth, G. Brandenburg, D. Brown, E. Buckley, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, S. Dell’Agnello, M. Dell’Orso, L. Demortier, P. F. Derwent, T. Devlin, D. DiBitonto, R. B. Drucker, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, S. Kopp, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, A. Mukherjee, L. F. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, R. L. Swartz Jr., M. Takano, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, G. Tonelli, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester III, T. Westhusing, S. N. White, A. B. Wicklund, H. H. Williams, B. L. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Physics, Particle physics, Annihilation, Physics::Instrumentation and Detectors, Branching fraction, Computer Science::Information Retrieval, General Physics and Astronomy, Elementary particle, Particle identification, High Energy Physics::Experiment, Production (computer science), Collider Detector at Fermilab, Lepton, Boson
Abstract: An analysis of {ital W}- and {ital Z}-boson production using data from the Collider Detector at Fermilab at {radical}{ital s} =1.8 TeV yields {sigma}({ital W}{r arrow}{ital ev})/{sigma}({ital Z}{r arrow}{ital ee})=10.2{plus minus}0.8(stat){plus minus}0.4(syst). The width of the {ital W} boson, {Gamma}({ital W}), and a limit on the top-quark mass independent of decay mode are extracted from this measurement.
Published: 1990
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37. Two-jet differential cross section inpp¯ collisions at √s¯11.8 TeV

Author: U. E. Kruse, P. Schlabach, S. Behrends, Maria Curatolo, A. Feldman, R. J. Cashmore, Fridolin Dittus, A. Mukherjee, A. Para, F. Zetti, P. Auchincloss, Y. Tsay, G. W. Foster, M. Gold, William Chinowsky, Robert P. Ely, T. C. Meyer, R. D. Sard, Paul Tipton, L. Demortier, S. Bhadra, Guido Tonelli, C. Grosso-Pilcher, Y. Takaiwa, R. J. Hollebeek, Shlomit Tarem, S. Errede, T. L. Watts, R. Vidal, N. K. Mondal, M. Binkley, J. T. Carroll, John Huth, D. Dibitonto, J. J. Walsh, R. Kephart, K. L. Byrum, T. Rohaly, Ettore Focardi, M. Sekiguchi, H. H. Williams, E. Kearns, P. Giromini, W. Carithers, Fumio Abe, G. P. Yeh, T. Chapin, G. Punzi, J. R. Bensinger, Alan Garfinkel, P. McIntyre, M. H. Schub, A. Stefanini, M. Atac, K. Takikawa, R. Handler, S. Bertolucci, D. A. Kardelis, J. Siegrist, C. T. Day, R. Diebold, S. Cihangir, Jay Hauser, M. J. Shochet, B. Hubbard, T. Mimashi, K. Ragan, A. W. Booth, T. Westhusing, Roy F Schwitters, G. Ascoli, A. Tollestrup, F. Cervelli, S. Kanda, J. Rhoades, Luciano Ristori, Wen Li, T. J. Phillips, Larry D. Gladney, A. Divirgilio, H. Frish, Y. Morita, R. L. Wagner, K. Goulianos, T. Devlin, R. C. Webb, R. Delfabbro, D. Amidei, R. Markeloff, Andrea Sansoni, N. S. Lockyer, J. Cooper, M. Shibata, L. A. Markosky, P. Kesten, P. Hurst, A. Scribano, J. Patrick, George Redlinger, Franco Bedeschi, S. Segler, R. K. Plunkett, Y. Hayashide, M. Mishina, D. G. Underwood, M. Contreras, N. Giokaris, Giovanni Bellettini, R. M. Harris, V. Scarpine, Virgil E Barnes, Fumihiko Ukegawa, Mauro Dell'Orso, C. Haber, Sebastian N. White, R. Carey, B. Flaugher, A. B. Wicklund, D. N. Brown, P. Sestini, Giorgio Chiarelli, A. Menzione, K. Yasuoka, E. E. Schmidt, S. B. Kim, M. Miller, M. Cordelli, J. Skarha, D. Connor, D. R. Quarrie, A. Roodman, Marjorie Shapiro, J. N. Bellinger, Rolland P. Johnson, R. G. Wagner, Kiminori Kondo, G. W. Brandenburg, Riccardo Paoletti, L. Nodulman, P. Sinervo, T. M. Liss, Yasuo Fukui, I. Karliner, L. E. Kirsch, F. Marchetto, Andrew Beretvas, R. E. Blair, F. Rimondi, J. Proudfoot, A. Yamashita, H. Piekarz, Paul Schoessow, D. Theriot, Dominic Smith, A. T. Laasanen, Duncan Carlsmith, R. W. Kadel, F. D. Snider, Stefano Belforte, J. Bofill, P. Berge, Shigeki Mori, Henrik Jeldtoft Jensen, Paola Giannetti, Giorgio Apollinari, Teruki Kamon, Craig Blocker, David B. Cline, S. Miyashita, S. Miscetti, S. R. Hahn, U. Joshi, M. Sheaff, A. Baden, Bellisario Esposito, S. Mikamo, A. Byon, T. Yamanouchi, A. Barbaro-Galtieri, H. Keutelian, K. Chadwick, R. St. Denis, L. Pondrom, J. E. Elias, M. Franklin, T. Hessing, J. C. Freeman, P. Hu, Mark Campbell, S. E. Kuhlmann, J. Yoh, and Catherine Newman-Holmes
Subjects: Quantum chromodynamics, Scattering cross-section, Physics, Particle physics, Annihilation, Jet (mathematics), Computer Science::Information Retrieval, Structure function, General Physics and Astronomy, High Energy Physics::Experiment, Collider Detector at Fermilab
Abstract: The two-jet differential cross section {ital d}{sup 3}{sigma}({ital {bar p}p}{r arrow}jet 1+jet 2+{ital X})/{ital dE}{sub {ital t}d}{eta}{sub 1}{ital d}{eta}{sub 2}, averaged over {minus}0.6{le}{eta}{sub 1}{le}0.6, at {radical}{ital s} =1.8 TeV, has been measured in the Collider Detector at Fermilab. The predictions of leading-order quantum chromodynamics for most choices of structure functions show agreement with the data.
Published: 1990
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38. Search for nucleon decay into lepton+K0final states using Soudan 2

Author: W. H. Miller, C. B. Brooks, R. Seidlein, D. Wall, D. A. Petyt, W.W.M. Allison, W. L. Barrett, D. S. Ayres, A. Napier, R. Gran, M. C. Sanchez, G. F. Pearce, J. L. Thron, L. Mualem, P. M. Border, W. Leeson, H. R. Gallagher, L. E. Price, C. Garcia-Garcia, H. Tom, W. P. Oliver, N. West, C. Bode, M. H. Schub, E. A. Peterson, J. H. Cobb, D. M. Demuth, M. C. Goodman, P. J. Litchfield, G. Villaume, H. Courant, J. Schneps, A. Stassinakis, K. Ruddick, G. J. Alner, T. H. Fields, W. A. Mann, Marvin L Marshak, R. H. Milburn, S. P. Wakely, S. M.S. Kasahara, T. Joffe-Minor, Nl Longley, R. Cotton, and T. Kafka
Subjects: Nuclear physics, Semileptonic decay, Physics, Nuclear and High Energy Physics, Particle decay, Particle physics, Antiparticle, Muon, Meson, Proton decay, Hadron, Nucleon
Abstract: A search for nucleon decay into two-body final states containing K{sup 0} mesons has been conducted using the 963 metric ton Soudan 2 iron tracking calorimeter. The topologies, ionizations, and kinematics of contained events recorded in a 5.52 kiloton-year total exposure (4.41 kton-year fiducial volume exposure) are examined for compatibility with nucleon decays in an iron medium. For proton decay into the fully visible final states {mu}{sup +}K{sub S}{sup 0} and e{sup +}K{sub S}{sup 0}, zero and one event candidates are observed respectively. The lifetime lower limits ({tau}/B) thus implied are 1.5x10{sup 32} yr and 1.2x10{sup 32} yr, respectively. Lifetime lower limits are also reported for proton decay into l{sup +}K{sub l}{sup 0}, and for neutron decay into {nu}K{sub S}{sup 0}. (c) 2000 The American Physical Society.
Published: 2000
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39. Search for flavor-changing neutral currents and lepton-family-number violation in two-body D0 decays

Author: R. Childers, D. M. Jansen, Daniel M. Kaplan, M. S. Kowitt, C. S. Mishra, R. G. Jeppesen, G. C. Kiang, Y. C. Chen, C. N. Brown, Jen-Chieh Peng, Pei-Ming Ho, P. K. Teng, V. Tanikella, C. W. Darden, J. Sa, Leon M. Lederman, K. Gounder, L. D. Isenhower, R. Schnathorst, W. E. Cooper, M. J. Leitch, G. Gidal, P. L. McGaughey, J. W. Lillberg, Kam-Biu Luk, Josh Moss, D. Pripstein, W. Luebke, J. S. Kapustinsky, R. S. Preston, James R. Wilson, M. E. Sadler, D. W. Lane, T. A. Carey, and M. H. Schub
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Particle decay, High Energy Physics - Experiment (hep-ex), Pair production, Branching fraction, FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment, Lepton, High Energy Physics - Experiment
Abstract: Results of a search for the three neutral charm decays, D0 -> mu e, D0 -> mu mu, and D0 -> e e, are presented. This study was based on data collected in Experiment 789 at the Fermi National Accelerator Laboratory using 800 GeV/c proton-Au and proton-Be interactions. No evidence is found for any of the decays. Upper limits on the branching ratios, at the 90% confidence level, are obtained., 28 pages, 18 figures. Submitted to Physical Review D
Published: 1999

40. Nuclear dependence of single-hadron and dihadron production in p-A interactions at sqrt s=38.8 GeV

Author: Daniel M. Kaplan, M. H. Schub, C. N. Brown, P. K. Teng, R. Childers, L. D. Isenhower, Josh Moss, W. E. Cooper, R. S. Preston, C. S. Mishra, M. E. Sadler, Jen-Chieh Peng, G. Gidal, P. L. McGaughey, M. J. Leitch, T. A. Carey, V. Tanikella, Kam-Biu Luk, Leon M. Lederman, M. S. Kowitt, and C. W. Darden
Subjects: Nuclear physics, Physics, Statistics::Theory, Nuclear and High Energy Physics, Particle physics, Pair production, Statistics::Applications, Scattering, Hadron, Transverse momentum, Parton, Nuclear Experiment
Abstract: We present a measurement of the W-to-Be per-nucleon cross-section ratio, ${\mathit{R}}_{\mathrm{W}/\mathrm{B}\mathrm{e}}$, for single hadrons and for opposite-sign hadron pairs produced in p-A collisions at \ensuremath{\surd}s=38.8 GeV. The data fill in regions of intermediate transverse momentum and dihadron mass that previously have revealed cross-section enhancements for scattering from nuclear targets. When combined with previous measurements, the new results help delineate the dependence of nuclear effects on the kinematic variables ${\mathit{p}}_{\mathit{t}}$, m, and \ensuremath{\surd}s. Both the single-hadron and hadron-pair enhancements in ${\mathit{R}}_{\mathrm{W}/\mathrm{B}\mathrm{e}}$ seen at intermediate values of ${\mathit{p}}_{\mathit{t}}$ and mass decrease with increasing \ensuremath{\surd}s, consistent with a multiple-scattering model of parton scattering. \textcopyright{} 1996 The American Physical Society.
Published: 1996

41. Measurement of J/ psi and psi ' production in 800 GeV/c proton-gold collisions

Author: P. L. McGaughey, J. W. Lillberg, J. Sa, W. Luebke, Pei-Ming Ho, K. Gounder, L. D. Isenhower, C. N. Brown, Josh Moss, W. E. Cooper, D. Pripstein, D. M. Jansen, Jen-Chieh Peng, R. G. Jeppesen, G. C. Kiang, C. W. Darden, M. H. Schub, Y. C. Chen, Kam-Biu Luk, M. J. Leitch, Leon M. Lederman, J. S. Kapustinsky, R. S. Preston, M. S. Kowitt, G. Gidal, Daniel M. Kaplan, D. W. Lane, R. Schnathorst, R. Childers, James R. Wilson, C. S. Mishra, P. K. Teng, M. E. Sadler, V. Tanikella, and T. A. Carey
Subjects: Physics, Crystallography, Particle physics, TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES, Proton, Computer Science::Information Retrieval, High Energy Physics::Experiment, Production (computer science), Rapidity, Nucleon
Abstract: With a data sample containing 1.1{times}10{sup 5} {ital J}/{psi}{r_arrow}{mu}{sup +}{mu}{sup {minus}} decays reconstructed with 16 MeV/{ital c}{sup 2} rms mass resolution, we have measured the differential cross sections versus Feynman-{ital x}, rapidity, and {ital p}{sub {ital T}} for the production of {ital J}/{psi} and {psi}{prime} in 800 GeV/{ital c} {ital p}-Au collisions. Our results are compared with leading-order QCD predictions and with previous measurements. While the shapes of the cross sections are in qualitative agreement with QCD predictions, the magnitudes disagree by factors of 7 ({ital J}/{psi}) and 25 ({psi}{prime}). Assuming an appropriate form for the differential cross sections in regions not measured we derive a total {ital J}/{psi} production cross section {sigma}({ital p}+{ital N}{r_arrow}{ital J}/{psi}+{ital X})=442{plus_minus}2{plus_minus}88 nb/nucleon and a (model-dependent) total {psi}{prime} cross secton {sigma}({ital p}+{ital N}{r_arrow}{psi}{prime}+{ital X})=75{plus_minus}5{plus_minus}22 nb/nucleon. For {ital J}/{psi} produced at central rapidity, {ital d}{sigma}({ital p}+{ital N}{r_arrow}{ital J}/{psi}+{ital X})/{ital dy}{vert_bar}{sub {ital y}=0}=230{plus_minus}5{plus_minus}46 nb/nucleon.
Published: 1995

42. Nuclear dependence of neutral-D-meson production by 800 GeV/c protons

Author: V. M. Martin, J. Sa, P. L. McGaughey, J. W. Lillberg, Daniel M. Kaplan, W. Luebke, R. S. Preston, M. E. Sadler, Jen-Chieh Peng, W. E. Cooper, C. W. Darden, R. Schnathorst, Leon M. Lederman, D. M. Jansen, H. Glass, T. A. Carey, M. J. Leitch, J. G. Boissevain, Pei-Ming Ho, D. W. Lane, R. Childers, C. N. Brown, C. S. Mishra, Josh Moss, M. H. Schub, V. Tanikella, P. K. Teng, D. Pripstein, R. G. Jeppesen, G. C. Kiang, Y. C. Chen, L. D. Isenhower, J. S. Kapustinsky, James R. Wilson, K. Gounder, Kam-Biu Luk, M. S. Kowitt, and G. Gidal
Subjects: Nuclear reaction, Physics, Nuclear physics, Proton, Meson, D meson, Hadron, General Physics and Astronomy, Elementary particle, Neutron, Atomic physics, Nucleon
Abstract: The nuclear dependence for 800 GeV/[ital c] proton production of neutron [ital D] mesons has been measured near [ital x][sub [ital F]]=0 in Experiment 789 at Fermilab. [ital D] mesons from beryllium and gold targets were detected with a pair spectrometer and a silicon vertex detector via their decay [ital D][r arrow][ital K][pi]. No nuclear dependence is found, with a measured [alpha]=1.02[plus minus]0.03[plus minus]0.02. The measured differential cross section, [ital d][sigma]/[ital dx][sub [ital F]], for neutral-[ital D]-meson production at [l angle][ital x][sub [ital F]][r angle]=0.031 is 58[plus minus]3[plus minus]7 [mu]b/nucleon. The integrated cross section obtained by extrapolation of the measured cross section to all [ital x][sub [ital F]] is 17.7[plus minus]0.9[plus minus]3.4 [mu]b/nucleon and is consistent with previous measurements.
Published: 1994

43. Search for New Gauge Bosons in p-barp Collisions at s=1.8 TeV

Author: S. Ogawa, J. P. Berge, R. J. Cashmore, C. Boswell, M. Yokoyama, R. B. Drucker, H. Wenzel, M. Franklin, M. J. Shochet, T. Hessing, M. Incagli, Mosè Mariotti, P. Auchincloss, J. C. Freeman, Sandra Leone, T. Ino, D. P. Benjamin, D. Smith, P. Hurst, D. Theriot, M. Roach, L. Holloway, George Redlinger, W. K. Sakumoto, T. L. Watts, Richard Hughes, C. T. Day, M. Takano, A. W. Booth, J. S T Ng, S. Geer, J. Siegrist, Stefano Belforte, T. M. Liss, P. Hu, Henrik Jeldtoft Jensen, Duncan Carlsmith, C. Grosso-Pilcher, Catherine Newman-Holmes, T. Westhusing, W. Carithers, S. Miscetti, Nicola Bacchetta, R. Kephart, T. Rohaly, D. Crane, R. L. Wagner, A. Barbaro-Galtieri, H. Keutelian, L. Song, T. Fuess, E. Pare, J. Patrick, P. Lukens, G. Sullivan, D. H. Kim, J. Wyss, G. Punzi, A. Tollestrup, K. Goulianos, K. Chadwick, J. P. Marriner, L. A. Markosky, R. Vidal, M. Binkley, B. Flaugher, Jacobo Konigsberg, T. Baumann, M. Cordelli, G. Busetto, Brian L Winer, S. Errede, Avraham Yagil, H. S. Budd, T. Devlin, S. R. Hahn, F. Tartarelli, V. Scarpine, Virgil E Barnes, M. Sekiguchi, R. G. Wagner, Sanchita Bhadra, E. Kearns, A. Roodman, A. Gauthier, Maria Curatolo, E. Kuns, A. Caner, M. Mishina, R. St. Denis, Giovanni Bellettini, R. M. Harris, Kiminori Kondo, R. L. Swartz, Marjorie Shapiro, Y. Tsay, P. F. Derwent, Rolland P. Johnson, S. Segler, D. Dibitonto, C. Wendt, A. Menzione, Itsuo Nakano, E. Buckley-Geer, Riccardo Paoletti, R. W. Kadel, M. Miller, J. R. Bensinger, J. J. Walsh, Kazuhiko Hara, Alan Garfinkel, L. E. Kirsch, H. H. Williams, P. de Barbaro, Franco Bedeschi, N. Wainer, R. Mattingly, D. N. Brown, M. H. Schub, P. Maas, P. Sinervo, S. Zucchelli, R. E. Blair, F. Rimondi, A. Yamashita, S. Tkaczyk, M. Contreras, A. Stefanini, S. Park, M. Atac, S. Bertolucci, A. Mukherjee, F. Cervelli, Wen Li, M. Dickson, M. Ninomiya, J. D. Lewis, A. Castro, J. I. Lamoureux, Bt Huffman, R. K. Plunkett, Fumihiko Ukegawa, H. Grassmann, A. B. Wicklund, Roy F Schwitters, G. P. Yeh, E. E. Schmidt, Bruce Denby, S. Cihangir, L. F. Nakae, Yasuo Fukui, I. Karliner, U. Joshi, R. Carey, J. Skarha, Fumio Abe, T. Mimashi, C. B. Luchini, C. Nelson, Y. Funayama, Mark Campbell, Henry J. Frisch, S. Vejcik, Teresa Rodrigo, T. J. Phillips, Larry D. Gladney, F. Zetti, C. Hawk, Aurore Savoy-Navarro, F. Ptohos, S. E. Kuhlmann, K. Takikawa, J. C. Yun, Y. Morita, L. Pondrom, M. Timko, Claudio Campagnari, N. M. Shaw, P. Kesten, C. P. Jessop, G. W. Brandenburg, Jay Hauser, R. C. Webb, L. Demortier, V. Bolognesi, S. Kanda, J. Rhoades, K. Ragan, Paraskevas Sphicas, J. Yoh, D. Amidei, Giorgio Chiarelli, M. Gold, William Chinowsky, J. T. Carroll, N. Giokaris, Paola Giannetti, B. A. Barnett, L. Keeble, Giorgio Apollinari, M. Mangano, Teruki Kamon, James Mueller, M. W. Bailey, P. Limon, John Huth, J. E. Elias, Craig Blocker, O. Schneider, S. Moulding, R. Handler, Kaori Maeshima, J. Cooper, D. G. Underwood, Mauro Dell'Orso, R. M. Keup, Shlomit Tarem, S. Dell'Agnello, D. Connor, A. Byon-Wagner, H. Iso, J. N. Bellinger, M. Spahn, D. W. Gerdes, W. C. Wester, C. Haber, A. Bamberger, F. DeJongh, R. J. Hollebeek, K. L. Byrum, William Trischuk, Andrea Sansoni, P. Giromini, J. Proudfoot, Anna Zanetti, K. Yasuoka, Peter McIntyre, Andrew Beretvas, K. Sliwa, D. R. Quarrie, Nicola Turini, A. T. Laasanen, N. S. Lockyer, E. Kovacs, A. Scribano, S. B. Kim, D. A. Kardelis, L. Nodulman, Sarah Catherine Eno, F. D. Snider, S. N. White, J. Tonnison, S. Miyashita, Kevin Einsweiler, M. Sheaff, A. Baden, Bellisario Esposito, S. Mikamo, Y. Seiya, A. G. Clark, Robert P. Ely, T. C. Meyer, R. D. Sard, Paul Tipton, B. Hubbard, Luciano Ristori, R. Markeloff, P. Schlabach, S. Behrends, J. Hylen, A. Para, and G. W. Foster
Subjects: Coupling, Physics, Gauge boson, Particle physics, General Physics and Astronomy, Elementary particle, Vector boson, Nuclear physics, Distribution function, Square root, High Energy Physics::Experiment, Limit (mathematics), Nuclear Experiment, Collider Detector at Fermilab
Abstract: We have searched for the production of a neutral gauge boson (Z') with mass above 100 GeV/c 2 in pp collisions with the Collider Detector at Fermilab. We present a 95% confidence level (C.L.) limit on the Z'→μ + m - production cross section. We combine the Z' limit with that from our previous dielectron search; the combined result sets a limit of MZ'>412 GeV/c 2 (95% C.L.), assuming standard-model coupling strengths
Published: 1992

44. Preliminary results from Fermilab E789

Author: R. Schnathorst, D. Isenhower, V. M. Martin, R. S. Preston, H. Glass, M. H. Schub, J. Boissevain, J. S. Kapustinsky, C. S. Mishra, R. G. Jeppesen, G. Brown, J. Sa, G. C. Kiang, L. M. Lederman, M. S. Kowitt, D. Snodgrass, M.J. Leitch, D. W. Lane, P. L. McGaughey, J. W. Lillberg, W. E. Cooper, Pei-Ming Ho, K. Gounder, R. Schwindt, P. K. Teng, Kam-Biu Luk, T. A. Carey, V. Tanikella, Josh Moss, D. M. Jansen, G. Gidal, James R. Wilson, D. Pripstein, C. W. Darden, W. Luebke, D. M. Kaplan, Yi-Chun Chen, M. Apolinski, R. Childers, M.E. Sadler, Jen-Chieh Peng, and C. N. Brown
Subjects: Physics, Nuclear physics, Particle physics, Meson, Hadron, High Energy Physics::Experiment, B meson, Fermilab, Quarkonium
Abstract: Fermilab experiment 789 studies low‐multiplicity decays of neutral D and B mesons in a high‐rate fixed‐target environment. Preliminary results from the 1991 run are presented.
Published: 1992
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45. Measurement of the e+e- Invariant-Mass Distribution in p-barp Collisions at s=1.8 TeV

Author: M. J. Shochet, George Redlinger, D. A. Kardelis, H. Iso, K. L. Byrum, P. Giromini, L. Nodulman, J. S T Ng, R. J. Hollebeek, R. Vidal, Sarah Catherine Eno, M. Binkley, E. Kuns, F. D. Snider, S. Cihangir, C. P. Jessop, J. C. Yun, Sebastian N. White, Giorgio Chiarelli, A. W. Booth, Rolland P. Johnson, S. Ogawa, S. Kanda, H. Grassmann, J. Rhoades, Andrea Sansoni, A. Scribano, Fumio Abe, Paola Giannetti, B. A. Barnett, L. Keeble, Giorgio Apollinari, K. Yasuoka, L. Song, T. Fuess, D. H. Kim, K. Takikawa, L. Demortier, V. Bolognesi, A. Mukherjee, Itsuo Nakano, J. R. Bensinger, Alan Garfinkel, Jacobo Konigsberg, M. H. Schub, E. Kearns, Teruki Kamon, A. Roodman, S. Tkaczyk, J. Tonnison, Craig Blocker, S. R. Hahn, S. Miyashita, J. Siegrist, R. L. Wagner, Kaori Maeshima, M. Roach, K. Goulianos, P. F. Derwent, Andrew Beretvas, J. I. Lamoureux, R. K. Plunkett, T. Baumann, G. P. Yeh, W. Carithers, S. B. Kim, J. T. Carroll, M. Cordelli, Brian L Winer, A. Gauthier, John Huth, Stefano Belforte, P. Schlabach, S. Behrends, T. Mimashi, K. Chadwick, S. Vejcik, R. G. Wagner, Y. Tsay, Sandra Leone, T. J. Phillips, Larry D. Gladney, H. H. Williams, M. Sheaff, A. Baden, Henrik Jeldtoft Jensen, M. Incagli, Bellisario Esposito, C. T. Day, F. Zetti, C. Hawk, A. Stefanini, J. J. Walsh, Kazuhiko Hara, Y. Morita, P. Maas, N. Wainer, M. Atac, A. G. Clark, W. K. Sakumoto, S. Bertolucci, S. Mikamo, Franco Bedeschi, James Mueller, S. Geer, L. A. Markosky, S. Miscetti, T. Westhusing, A. Para, R. St. Denis, D. G. Underwood, F. Tartarelli, V. Scarpine, Virgil E Barnes, A. T. Laasanen, G. W. Foster, D. Theriot, Mauro Dell'Orso, T. L. Watts, Richard Hughes, C. Haber, M. Timko, C. Grosso-Pilcher, Roy F Schwitters, Giovanni Bellettini, R. M. Harris, R. Mattingly, D. N. Brown, M. Contreras, Yasuo Fukui, I. Karliner, Dominic Smith, R. L. Swartz, Marjorie Shapiro, W. C. Wester, C. B. Luchini, Robert P. Ely, R. E. Blair, A. Byon, U. Joshi, R. Kephart, F. Rimondi, A. Yamashita, R. Carey, Y. Seiya, T. Rohaly, T. C. Meyer, E. Buckley-Geer, Riccardo Paoletti, M. Gold, William Chinowsky, L. Pondrom, Bt Huffman, R. D. Sard, G. Sullivan, Mark Campbell, J. E. Elias, S. Bhadra, Duncan Carlsmith, S. Segler, Paul Tipton, J. Skarha, D. Crane, G. Punzi, P. Sinervo, L. E. Kirsch, B. Hubbard, S. E. Kuhlmann, M. Miller, Maria Curatolo, E. Kovacs, M. Franklin, Shlomit Tarem, Luciano Ristori, T. Hessing, F. Cervelli, Wen Li, Claudio Campagnari, N. M. Shaw, A. Menzione, A. Tollestrup, J. C. Freeman, M. Ninomiya, H. S. Budd, R. Markeloff, C. Nelson, A. Bamberger, T. Devlin, J. Yoh, N. S. Lockyer, J. Proudfoot, Henry J. Frisch, T. M. Liss, P. Kesten, P. Hu, S. Errede, R. C. Webb, M. Mishina, Aurore Savoy-Navarro, N. Giokaris, Fumihiko Ukegawa, D. Amidei, A. B. Wicklund, J. Cooper, R. M. Keup, K. Ragan, Jay Hauser, E. E. Schmidt, G. W. Brandenburg, D. Dibitonto, C. Wendt, K. Sliwa, D. R. Quarrie, T. Ino, M. Mangano, E. Pare, D. Connor, M. Takano, J. N. Bellinger, A. Barbaro-Galtieri, Catherine Newman-Holmes, William Trischuk, H. Keutelian, J. P. Marriner, M. Yokoyama, M. Sekiguchi, Avraham Yagil, R. W. Kadel, L. Holloway, J. Patrick, L. F. Nakae, Peter McIntyre, J. P. Berge, R. J. Cashmore, C. Boswell, R. B. Drucker, P. Auchincloss, M. W. Bailey, S. Moulding, R. Handler, S. Dell'Agnello, B. Flaugher, Kiminori Kondo, Y. Funayama, and P. Hurst
Subjects: Physics, Particle physics, Antiparticle, Electron pair, Annihilation, Branching fraction, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, General Physics and Astronomy, Elementary particle, Pair production, High Energy Physics::Experiment, Production (computer science), Invariant mass
Abstract: We have measured the cross section as a function of invariant mass for isolated electron pairs produced in {ital p{bar p}} collisions at {radical}{ital s}=1.8 TeV for pair masses {ital M}{gt}30 GeV/{ital c}{sup 2}. We find good agreement between the measured distribution and the standard-model prediction for the Drell-Yan production mechanism. Additional heavy neutral vector bosons ({ital Z}{prime}) are excluded for {ital M}{sub {ital Z}{prime}}{lt}387 GeV/{ital c}{sup 2} (95% confidence level) assuming standard-model couplings. A lower limit of 2.2 TeV (95% confidence level) is placed on the electron-quark compositeness scale parameter {Lambda}{sub {ital L}{ital L}}{sup {minus}} associated with an effective contact interaction.
Published: 1991

46. SEARCH FOR A LIGHT HIGGS BOSON AT THE FERMILAB TEVATRON PROTON-ANTIPROTON COLLIDER

Author: F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, A. Bamberger, A. Barbaro-Galtieri, V. E. Barnes, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, A. W. Booth, G. Brandenburg, D. Brown, E. Buckley, A. Byon, K. L. Byrum, C. Campagnari, M. Campbell, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, S. Dell'Agnello, M. Dell'Orso, L. DeMortier, P. F. Derwent, T. Devlin, D. DiBitonto, R. B. Drucker, J. E. Elias, R. Ely, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassman, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, S. Kim, L. Kirsch, K. Kondo, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, W. Li, T. M. Liss, N. Lockyer, C. B. Luchini, P. Maas, M. Mangano, J. P. Marriner, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, A. Mukherjee, L. F. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S. T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, J. Patrick, T. J. Phillips, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, F. Rimondi, L. Ristori, M. Roach, T. Rohaly, A. Roodman, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, P. Sestini, M. Shapiro, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, R. St. Denis, A. Stefanini, R. L. Swartz, M. Takano, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, G. Tonelli, J. Tonnison, W. Trischuk, Y. Tsay, F. Ukegawa, D. Underwood, R. Vidal, R. G. Wagner, R. L. Wagner, J. Walsh, T. Watts, R. Webb, C. Wendt, W. C. Wester, T. Westhusing, S. White, A. B. Wicklund, H. H. Williams, B. Winer, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, and F. Zetti
Subjects: Physics, Particle physics, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Tevatron, Elementary particle, Vector boson, Nuclear physics, Particle decay, Antiproton, Higgs boson, Physics::Accelerator Physics, High Energy Physics::Experiment, Energy (signal processing), Boson
Abstract: We have searched for a light standard-model Higgs boson produced in association with an intermediate vector boson at the Fermilab proton-antiproton collider operating at a center-of-mass energy of 1.8 TeV. The search was made by looking for an excess of isolated high-transverse-momentum charged-track pairs in {ital W} and {ital Z} events. A Higgs boson with a mass {ital m}{sub {ital H}} in the intervals 2{ital m}{sub {mu}}{lt}{ital m}{sub H}{lt}818 MeV/{ital c}{sup 2} and 846 MeV/{ital c}{sup 2}{lt}{ital m}{sub {ital H}}{lt}2{ital m}{sub K} is excluded at 90% C.L.
Published: 1990

47. Erratum: Measurement ofJψandψ′production in 800 GeV/cproton-gold collisions

Author: D. W. Lane, R. G. Jeppesen, G. C. Kiang, R. Childers, K. Gounder, Kam-Biu Luk, Y. C. Chen, M. S. Kowitt, James R. Wilson, C. W. Darden, Jen-Chieh Peng, J. S. Kapustinsky, P. L. McGaughey, J. W. Lillberg, W. Luebke, M. J. Leitch, J. Sa, R. Schnathorst, M. E. Sadler, D. M. Jansen, C. S. Mishra, Leon M. Lederman, C. N. Brown, V. Tanikella, P. K. Teng, W. E. Cooper, Daniel M. Kaplan, G. Gidal, T. A. Carey, R. S. Preston, Josh Moss, D. Pripstein, M. H. Schub, Pei-Ming Ho, and L. D. Isenhower
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Proton
Published: 1996
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48. Dijet angular distributions fromp¯pcollisions at √s=1.8 TeV

Author: Paul Schoessow, D. Theriot, S. Segler, M. Mishina, Fumihiko Ukegawa, A. B. Wicklund, Catherine Newman-Holmes, E. E. Schmidt, Paola Giannetti, Giorgio Apollinari, Teruki Kamon, G. W. Brandenburg, Craig Blocker, T. L. Watts, David B. Cline, E. Kearns, Duncan Carlsmith, M. J. Shochet, G. P. Yeh, R. Kephart, T. Rohaly, D. A. Kardelis, A. Scribano, A. W. Booth, R. K. Plunkett, T. Chapin, Marjorie Shapiro, T. Mimashi, T. J. Phillips, Larry D. Gladney, A. Tollestrup, T. Devlin, G. Punzi, S. Esposito, L. A. Markosky, R. Diebold, Riccardo Paoletti, Y. Morita, W. Carithers, Giovanni Bellettini, R. M. Harris, U. E. Kruse, U. Joshi, L. Nodulman, S. B. Kim, R. Carey, P. Hurst, George Redlinger, Dominic Smith, A. Divirgilio, J. Skarha, M. Cordelli, Maria Curatolo, R. G. Wagner, R. C. Webb, D. Amidei, A. Mukherjee, M. Campbell, F. D. Snider, S. E. Kuhlmann, R. Handler, K. Chadwick, H. H. Williams, D. N. Brown, N. K. Mondal, M. Sekiguchi, A. Stefanini, M. Atac, C. T. Day, S. Bertolucci, M. Sheaff, A. Baden, Fumio Abe, Andrea Sansoni, K. Yasuoka, T. M. Liss, J. Patrick, P. Sinervo, F. Zetti, N. S. Lockyer, T. Westhusing, S. Mikamo, R. E. Blair, R. St. Denis, V. Scarpine, Virgil E Barnes, F. Rimondi, A. Yamashita, H. Piekarz, Guido Tonelli, K. Takikawa, Roy F Schwitters, G. Ascoli, S. Kanda, Rolland P. Johnson, J. J. Walsh, J. Rhoades, M. Franklin, T. Hessing, Andrew Beretvas, P. Sestini, Mauro Dell'Orso, C. Haber, J. C. Freeman, P. Berge, M. Gold, C. Grosso-Pilcher, R. Vidal, Stefano Belforte, A. Roodman, M. Binkley, B. Flaugher, T. Yamanouchi, William Chinowsky, A. Menzione, Henry J. Frisch, Henrik Jeldtoft Jensen, Ettore Focardi, Shigeki Mori, P. Hu, A. Byon, S. Miscetti, P. Schlabach, S. Behrends, Y. Tsay, S. Bhadra, L. Ristori, Kiminori Kondo, S. Miyashita, Shlomit Tarem, J. T. Carroll, John Huth, K. Ragan, F. Marchetto, Yasuo Fukui, I. Karliner, R. J. Cashmore, Fridolin Dittus, A. T. Laasanen, L. Pondrom, Jay Hauser, A. Para, J. R. Bensinger, Alan Garfinkel, G. W. Foster, P. McIntyre, R. L. Wagner, J. E. Elias, M. H. Schub, K. Goulianos, J. Proudfoot, D. Connor, P. Auchincloss, J. N. Bellinger, A. Barbaro-Galtieri, H. Keutelian, J. Cooper, B. Hubbard, Franco Bedeschi, P. Miller, M. Contreras, S. R. Hahn, D. R. Quarrie, R. Markeloff, M. Shibata, R. W. Kadel, Y. Takaiwa, R. J. Hollebeek, J. Siegrist, J. Bofill, K. L. Byrum, P. Giromini, J. Yoh, D. G. Underwood, S. Cihangir, L. E. Kirsch, F. Cervelli, Wen Li, R. Delfabbro, Sebastian N. White, P. Kesten, Giorgio Chiarelli, N. Giokaris, R. Schwitters, S. Errede, Robert P. Ely, T. C. Meyer, R. D. Sard, and D. Dibitonto
Subjects: Quark, Quantum chromodynamics, Physics, Particle physics, Particle properties, Physics::Instrumentation and Detectors, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Lower limit, Angular distribution, Physics::Accelerator Physics, High Energy Physics::Experiment, Scale parameter, Collider Detector at Fermilab
Abstract: We have measured dijet angular distributions at ..sqrt../ital s/ =1.8 TeV with the Collider Detector at Fermilab and the Tevatron /ital p/bar /p/ Collider and find agreement with leading-order QCD. By comparing the distribution for the highest dijet invariant masses with the prediction of a model of quark compositeness, we set a lower limit on the associated scale parameter ..lambda../sub /ital c// at 330 GeV (95% C.L.).
Published: 1989
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49. Measurement of the Inclusive Jet Cross Section inp¯pCollisions ats=1.8TeV

Author: R. G. Wagner, D. A. Kardelis, P. Berge, M. Franklin, T. Hessing, A. Para, A. Roodman, L. Demortier, R. P. Johnson, J. Walsh, C. Day, T. Westhusing, S. R. Hahn, James Bensinger, P. Giannetti, T. Meyer, A. Barbaro-Galtieri, L. Gladney, H. Keutelian, A. Scribano, J. C. Freeman, R. E. Blair, David Underwood, R. Handler, B. Flaugher, A. Yamashita, H. Piekarz, R. L. Wagner, M. Binkley, R. St. Denis, Se Kuhlmann, G. W. Foster, M. J. Shochet, W. Carithers, K. Goulianos, Yasuo Fukui, J. T. Carroll, P. Hu, T. Chapin, F. D. Snider, A. Tollestrup, H. H. Williams, Peter McIntyre, J. Patrick, L. A. Markosky, S. Miyashita, T. L. Watts, Fridolin Dittus, A. Stefanini, James Proudfoot, R. M. Harris, T. Devlin, D. Amidei, M. Atac, M. Dell'Orso, V. Scarpine, George Redlinger, Virgil E Barnes, M. Sheaff, A. Baden, L. Pondrom, Bellisario Esposito, R. Carey, S. Bertolucci, A. Byon, Y. Hayashide, M. Mishina, D. Dibitonto, Fumihiko Ukegawa, T. Rohaly, E. Kearns, J. E. Elias, M. Campbell, J. Skarha, Roy F Schwitters, R. Diebold, S. Mikamo, D. N. Brown, R. W. Kadel, A. B. Wicklund, P. Sestini, M. Gold, E. E. Schmidt, M. Contreras, Marjorie Shapiro, T. M. Liss, Y. Tsay, Nikos Giokaris, B. Hubbard, C. Grosso-Pilcher, Sebastian N. White, A. Menzione, R. Kephart, Andrea Sansoni, G. W. Brandenburg, J. Bofill, G. Chiarelli, A. W. Booth, Riccardo Paoletti, A. Mukherjee, K. Yasuoka, I. Karliner, P. Hurst, T. Yamanouchi, N. S. Lockyer, R. Markeloff, A. T. Laasanen, Jay Hauser, Shlomit Tarem, Stefano Belforte, D. A. Smith, M. Shibata, A. Divirgilio, L. E. Kirsch, U. E. Kruse, Henrik Jeldtoft Jensen, Shigeki Mori, P. Sinervo, Paul Schoessow, J. Cooper, S. Miscetti, F. Rimondi, F. Zetti, S. H. Kim, L. Ristori, Maria Curatolo, F. Marchetto, F. Cervelli, Wen Li, Behrends S, Fumio Abe, Duncan Carlsmith, K. Chadwick, Andrew Beretvas, D. Theriot, K. Takikawa, R. Delfabbro, G. Bellettini, Guido Tonelli, R. Ely, F. Bedeschi, P. Kesten, R. Vidal, Kiminori Kondo, K. L. Byrum, G. P. Yeh, A. Feldman, T. Mimashi, N. Mondal, G. Ascoli, Y. Takaiwa, T. J. Phillips, R. J. Hollebeek, S. Kanda, J. Rhoades, Y. Morita, R. Plunkett, D. Connor, J. Huth, Alan Garfinkel, M. H. Schub, J. N. Bellinger, S. Cihangir, R. C. Webb, J. Siegrist, Henry J. Frisch, Ettore Focardi, S. Bhadra, P. Giromini, K. Ragan, P. Tipton, Catherine Newman-Holmes, C. Haber, W. Chinowksy, S. Errede, R. D. Sard, S. Segler, M. Miller, P. Schlabach, D. Quarrie, J. Yoh, U. Joshi, Giorgio Apollinari, Teruki Kamon, Craig Blocker, David B. Cline, G. Punzi, M. Sekiguchi, R. Cashmore, P. Auchincloss, Lawrence Nodulman, and M. Cordelli
Subjects: Quark, Quantum chromodynamics, Physics, Particle physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Jet (particle physics), law.invention, Nuclear physics, Cross section (physics), law, High Energy Physics::Experiment, Fermilab, Collider, Scaling
Abstract: Inclusive jet production at √ s=1.8 TeV has been measured in the CDF detector at the Fermilab Tevatron p p Collider. Jets with transverse energies (E t ) up to 250 GeV have been observed. The E t dependence of the inclusive jet cross section is consistent with leading-order quantum-chromodynamic calculations, and comparison with lower-energy data shows deviations from scaling consistent with QCD. A lower limit of 700 GeV (95% confidence level) is placed on the quark compositeness scale parameter Λ c associated with an effective contact interaction.
Published: 1989
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50. Search for heavy stable particles in 1.8-TeVpp¯collisions at the Fermilab collider

Author: E. Kearns, A. Scribano, R. Diebold, A. Divirgilio, A. Mukherjee, G. P. Yeh, T. Mimashi, L. Pondrom, T. J. Phillips, Larry D. Gladney, L. A. Markosky, J. E. Elias, S. Segler, F. Zetti, Giovanni Bellettini, R. M. Harris, R. Vidal, S. B. Kim, D. G. Underwood, Y. Morita, M. Miller, G. Ascoli, R. Carey, P. Hurst, S. Kanda, H. H. Williams, M. Binkley, Guido Tonelli, J. Rhoades, Henry J. Frisch, J. Skarha, George Redlinger, Ettore Focardi, W. Carithers, K. Ragan, T. L. Watts, R. C. Webb, M. Franklin, S. Bhadra, D. Amidei, A. Stefanini, M. Gold, William Chinowsky, R. Kephart, Y. Takaiwa, Fumio Abe, T. Hessing, R. J. Hollebeek, T. Rohaly, J. Cooper, J. C. Freeman, K. Takikawa, M. Atac, S. Bertolucci, G. Punzi, Shlomit Tarem, M. Sheaff, A. Baden, P. Hu, Rolland P. Johnson, M. Campbell, R. Handler, J. R. Bensinger, Alan Garfinkel, P. McIntyre, Mauro Dell'Orso, C. Haber, M. H. Schub, Roy F Schwitters, D. R. Quarrie, K. Chadwick, Bellisario Esposito, Y. Tsay, S. Cihangir, L. Holloway, Catherine Newman-Holmes, A. Roodman, J. Siegrist, N. K. Mondal, R. J. Cashmore, Fridolin Dittus, J. Patrick, R. St. Denis, R. L. Wagner, V. Scarpine, Virgil E Barnes, M. J. Shochet, Yasuo Fukui, I. Karliner, S. R. Hahn, P. Auchincloss, F. Cervelli, P. Sestini, S. Mikamo, M. Sekiguchi, K. Goulianos, D. N. Brown, A. Menzione, U. E. Kruse, Wen Li, J. J. Walsh, Maria Curatolo, R. Delfabbro, B. Flaugher, P. Kesten, L. Demortier, Kiminori Kondo, B. Hubbard, A. Byon, J. T. Carroll, N. Giokaris, John Huth, C. T. Day, Franco Bedeschi, U. Joshi, T. Westhusing, F. Marchetto, R. Markeloff, M. Shibata, J. Proudfoot, M. Contreras, Paola Giannetti, Giorgio Apollinari, C. Grosso-Pilcher, P. Schlabach, Teruki Kamon, Craig Blocker, David B. Cline, S. E. Kuhlmann, T. Yamanouchi, A. Para, J. Yoh, G. W. Foster, D. A. Kardelis, Sebastian N. White, L. E. Kirsch, N. S. Lockyer, L. Nodulman, Giorgio Chiarelli, R. K. Plunkett, F. D. Snider, Shigeki Mori, S. Miyashita, P. Berge, M. Mishina, Fumihiko Ukegawa, A. B. Wicklund, E. E. Schmidt, A. T. Laasanen, R. W. Kadel, G. W. Brandenburg, Jay Hauser, J. Bofill, K. L. Byrum, P. Giromini, Paul Schoessow, D. Connor, D. Theriot, J. N. Bellinger, Duncan Carlsmith, T. Chapin, A. Tollestrup, T. Devlin, D. Dibitonto, Andrea Sansoni, K. Yasuoka, Andrew Beretvas, Dominic Smith, Robert P. Ely, T. C. Meyer, Marjorie Shapiro, R. D. Sard, Riccardo Paoletti, P. Sinervo, S. Errede, A. W. Booth, M. Cordelli, R. G. Wagner, R. E. Blair, F. Rimondi, A. Yamashita, H. Piekarz, Stefano Belforte, Henrik Jeldtoft Jensen, S. Miscetti, L. Ristori, A. Barbaro-Galtieri, H. Keutelian, and T. M. Liss
Subjects: Quark, Physics, Particle physics, Monte Carlo method, General Physics and Astronomy, Order (ring theory), Charged particle, law.invention, Nuclear physics, law, Excited state, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Collider, Color charge
Abstract: A search was made for heavy stable charged particles produced in 1.8-TeV proton-antiproton collisions. No such particles were found in 26.2 nb{sup {minus}1} of data. Cross-section limits are presented and mass limits of the order of 100 GeV are set for particles containing excited quarks in higher color representations.
Published: 1989
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