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174 results on '"W. Chinowsky"'

1. Some Aspects Of The Prospective Experimental Use Of The Stanford Two-Mile Accelerator

Author: W. Chinowsky
Published: 2018

2. E+E- ANNIHILATION AT HIGH-ENERGIES AND SEARCH FOR THE T-QUARK CONTINUUM CONTRIBUTION

Author: H. M. Fischer, D. G. Cassel, P. Koehler, Rj Cashmore, John Freeman, M. Ogg, A. Schultz von Dratzig, B. Löhr, D. M. Binnie, E. Hilger, P. Joos, D. Heyland, D. Notz, E.E. Ronat, D.W. Schmitz, John Illingworth, G. Knop, R. Brandelik, Walter Dr. Hillen, P. L. Woodworth, G. Peise, J. Pyrlik, Gl Salmon, H. L. Lynch, A. Pevsner, M. Wollstadt, N Wermes, J. Rimkus, B. Roe, G. Wolff, O. Römer, H. Kowalski, D. H. Saxon, R. Fohrmann, T. Meyer, S. Yarker, P. Mättig, N. A. Downie, D. Trines, U. Kötz, Kw Bell, A. Ladage, P. Schmüser, B. Foster, H. Hartmann, D. A. Garbutt, D. R. Quarrie, J. Sedgbeer, D. Revel, J. C. Hart, P. Leu, W. Wallraff, W. G. Jones, M. Holder, J. Ringel, W. Chinowsky, K. Gather, D. Pandoulas, Y. Eisenberg, D. Lüke, G Zobernig, C. Youngman, G. Mikenberg, W. Koch, Hu Martyn, Stephen Lloyd, G. Poelz, H. G. Sander, H. Boerner, R. Riethmüller, J. Proudfoot, V. Kadansky, R. Rüsch, K. Lübelsmeyer, P. Söding, W. Braunschweig, P. Lecomte, U. Karshon, A. Shapira, Roger Barlow, M. Schliwa, R. Wedemeyer, H. Hultschig, B. H. Wiik, Sau Lan Wu, and P. J. Dornan
Subjects: Physics, Nuclear physics, Top quark, Particle physics, Annihilation, Physics and Astronomy (miscellaneous), Electron–positron annihilation, Nuclear fusion, High Energy Physics::Experiment, Continuum (set theory), Nuclear Experiment, Engineering (miscellaneous), Sphericity
Abstract: Measurements of R, sphericity and thrust are presented for c.m. energies between 12 and 31.6 GeV. A possible contribution of a t {Mathematical expression} continuum can be ruled out for c.m. energies between 16 and 31 GeV. © 1980 Springer-Verlag.
Published: 2016

3. LAERTIS, a multidisciplinary station

Author: G. Grammatikakis, E. Markopoulos, E. G. Anassontzis, P. Minkowsky, D. R. Nygren, V. A. Zhukov, Peter K.F. Grieder, I. Siotis, Gerald Przybylski, V. Tsagli, W. Chinowsky, L. K. Resvanis, E. Fahrun, P. Koske, J. E. Sopher, G. Aggouras, P. Katrivanos, Konstantinos Papageorgiou, C. Green, and A.E. Ball
Subjects: Shore, Shore station, Physics, Nuclear and High Energy Physics, geography, geography.geographical_feature_category, Environmental data, law.invention, Telescope, Software deployment, law, Multidisciplinary approach, Instrumentation (computer programming), Instrumentation, Marine engineering
Abstract: LAERTIS, designed to collect environmental data from the deep-sea, is operated since 1999 and has been deployed several time at 4000 m depth at the NESTOR site. Power and data were transferred through a 30-km electro-optical cable to the Shore Station. In this report, we describe briefly the LAERTIS instrumentation and present typical data that were collected successfully during those deployment demonstrating the importance of a deep-sea station permanently connected to shore.
Published: 2006

4. Recent measurements on the Hamamatsu 13in., R8055, PhotoMultiplier Tubes

Author: E. Markopoulos, Jozsef Ludvig, I. Siotis, W. Chinowsky, V. A. Zhukov, C. Green, P. Minkowsky, A.E. Ball, G. Aggouras, Konstantinos Papageorgiou, Peter K.F. Grieder, T. Staveris, Gerald Przybylski, V. Tsagli, E. G. Anassontzis, P. Koske, J. E. Sopher, D. R. Nygren, L. K. Resvanis, S. Tsagli, G. Grammatikakis, P. Katrivanos, and E. Fahrun
Subjects: Physics, Optical Module, Nuclear and High Energy Physics, Photomultiplier, Optics, business.industry, Neutrino telescope, Time resolution, business, Instrumentation, Cherenkov radiation
Abstract: The key component of NESTOR, the deep-sea Cherenkov neutrino telescope, built in the Mediterranean, NW of Greece, is the optical module. The NESTOR Optical Module employs a PhotoMultiplier Tube (PMT) in a transparent glass pressure housing. The Hamamatsu PMT R8055-01, 13 in. photomultiplier was selected for NESTOR to replace the old 15′′ Hamamatsu PMTs (R2018-03). Extensive tests have been made on the sensitivity, uniformity, time resolution and noise rates of 162 R8055-01 13 in. PMTs
Published: 2006

5. Towers and KM3NeT

Author: G. Aggouras, V. Tsagli, P. Katrivanos, E. G. Anassontzis, W. Chinowsky, Peter K.F. Grieder, J. E. Sopher, I. Siotis, Gerald Przybylski, G. Grammatikakis, D. R. Nygren, C. Green, Konstantinos Papageorgiou, E. Markopoulos, V. A. Zhukov, A.E. Ball, P. Minkowsky, P. Koske, E. Fahrun, and L. K. Resvanis
Subjects: Shore, Physics, Nuclear and High Energy Physics, geography, geography.geographical_feature_category, KM3NeT, Software deployment, Neutrino telescope, Detector, Instrumentation, Physics::Geophysics, Environmental data, Marine engineering
Abstract: NESTOR Collaboration has deployed one NESTOR module of the deep-sea neutrino telescope at a depth of 4000 m, 14 km off the southwest coast of Greece. The deployment site provides excellent environmental data. Power and data were transferred through a 30 km electro-optical cable to the shore laboratory. In this report, we describe briefly the detector and the well-defined procedure for recovery and deployment of a detector attached to the electro-optical cable and we depict the deployment of several towers and complementary independent strings acoustically connected to the towers.
Published: 2006

6. NESTOR Deep Sea Neutrino Telescope

Author: Spyros Tzamarias, L. K. Resvanis, Konstantinos Papageorgiou, E. G. Anassontzis, D. R. Nygren, J. E. Sopher, G. Grammatikakis, W. Chinowsky, P. Koske, I. Siotis, E. Markopoulos, E. Fahrun, G. Aggouras, V. Tsagli, A. Leisos, P. Minkowsky, Gerald Przybylski, G. Bourlis, A. Staveris-Polikalas, V. A. Zhukov, P. Katrivanos, A.E. Ball, Peter K.F. Grieder, C. Green, and Apostolos Tsirigotis
Subjects: Shore, Physics, Nuclear and High Energy Physics, geography, geography.geographical_feature_category, Meteorology, Detector, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Deep sea, Atomic and Molecular Physics, and Optics, Angular distribution, Software deployment, West coast, Zenith, Remote sensing
Abstract: One module of NESTOR, the Mediterranean deep-sea neutrino telescope, was deployed at a depth of 4000m, 14km off the Sapienza Island, off the South West coast of Greece. The deployment site provides excellent environmental characteristics. The deployed NESTOR module is constructed as a hexagonal star like latticed titanium star with 12 Optical Modules and an one-meter diameter titanium sphere which houses the electronics. Power and data were transferred through a 30km electro-optical cable to the shore laboratory. In this report we describe briefly the detector and the detector electronics and discuss the first physics data acquired and give the zenith angular distribution of the reconstructed muons.
Published: 2006

7. NEUTRINO ASTRONOMY AND COSMIC RAYS AT THE SOUTH POLE: LATEST RESULTS FROM AMANDA AND PERSPECTIVES FOR ICECUBE

Author: P. Ekström, P. Berghaus, M. Kestel, T. DeYoung, D. Z. Besson, T. J. Sumner, R. H. Minor, A. R. Fazely, S. Böser, Kael Hanson, S. Patton, P. Niessen, I. Taboada, R. G. Stokstad, T. Castermans, Carlos Pena-Garay, K. Hultqvist, R. Wischnewski, R. Hardtke, J. K. Becker, C. Pérez de los Heros, T. Becka, Yi Wang, Paolo Desiati, D. R. Nygren, P. O. Hulth, D. Steele, R. W. Ellsworth, T. Hauschildt, Johan Lundberg, S. Schlenstedt, T. Straszheim, Adam Bouchta, J. L. Kelley, Christian Bohm, David A. Schneider, Allan Hallgren, H. Wissing, P. Miocinovic, D.W. Atlee, Kyle T. Mandli, J. Cavin, J. W. Nam, George Japaridze, R. Ganugapati, D. Hays, L. Thollander, D. F. Cowen, A. Achterberg, Jodi Cooley, D. Berley, G. C. Hill, R. Porrata, Marek Kowalski, A. Silvestri, R. Paulos, S. H. Seo, T. Stezelberger, J. Yeck, Elisa Resconi, Hakki Ögelman, A. C. Pohl, Pawel Marciniewski, H. Leich, J. Pretz, P. B. Price, Peter Mészáros, S. Stoyanov, R. Ehrlich, D. Seckel, E. Blaufuss, D. J. Boersma, S. Hundertmark, M. Krasberg, M. Hellwig, H. G. Sander, B. Collin, K. Rawlins, Heiko Geenen, Torsten Harenberg, D. Hardtke, M. Ribordy, K. Helbing, Kurt Woschnagg, R. Koch, I. Liubarsky, Christian Spiering, Ph. Olbrechts, C. T. Day, J. Hodges, James Madsen, Paul Evenson, G. W. Sullivan, James E. Braun, S. Richter, J. Rodríguez Martino, C. H. Wiebusch, K. Münich, N. Langer, C. De Clercq, A. W. Jones, John Clem, Soebur Razzaque, L. Gerhardt, Dmitry Chirkin, M. Solarz, Olga Botner, S. Yoshida, T. Neunhöffer, Albrecht Karle, T. Messarius, Anna Davour, Justin Vandenbroucke, Elisa Bernardini, M. Bartelt, A. J. Smith, R. M. Gunasingha, J. Ahrens, Y. Minaeva, Markus Ackermann, S. W. Barwick, W. R. Edwards, R. Morse, N. Kitamura, D. Bertrand, William Carithers, R. Schwarz, C.P. Burgess, M. Walter, T. Burgess, Todor Stanev, Janet Jacobsen, J. A. Coarasa, R. Nahnhauer, R. C. Bay, H. Miyamoto, Xinhua Bai, John N. Bahcall, Jean Gallagher, Glenn Spiczak, S. R. Klein, A. Gross, L. C. Voicu, G. Kohnen, Othmane Bouhali, B. Hughey, K. H. Sulanke, Michael Stamatikos, D. Turčan, C. Walck, J. M. Joseph, Thomas K. Gaisser, G. B. Yodh, Wolfgang Wagner, K. Kuehn, W. Chinowsky, N. van Eijndhoven, K. Schinarakis, Gerald Przybylski, H. S. Matis, Matthias Leuthold, P. Herquet, P. Steffen, J. E. Sopher, Francis Halzen, Jan Conrad, T. Feser, O. Tarasova, K. Hoshina, Wolfgang Rhode, D. Hubert, L. Köpke, J. Bergmans, S. Tilav, K. H. Kampert, H. Kawai, C. P. McParland, E. Kujawski, A. Goldschmidt, K.-H. Becker, and H. Albrecht
Subjects: Physics, Nuclear and High Energy Physics, Photomultiplier, Astronomy, Astronomy and Astrophysics, Cosmic ray, Astrophysics, Solar neutrino problem, Atomic and Molecular Physics, and Optics, Coincidence, law.invention, Telescope, Neutrino detector, law, Neutrino astronomy, Neutrino
Abstract: The AMANDA neutrino telescope has been in operation at the South Pole since 1996. The present final array configuration, operational since 2000, consists of 677 photomultiplier tubes arranged in 19 strings, buried at depths between 1500 and 2000 m in the ice. The most recent results on a multi-year search for point sources of neutrinos will be shown. The study of events triggered in coincidence with the surface array SPASE and AMANDA provided a result on cosmic ray composition. Expected improvements from IceCube/IceTop will also be discussed.
Published: 2005

8. Operation and performance of the NESTOR test detector

Author: T. Staveris, E. G. Anassontzis, J. Ludvig, Apostolos Tsirigotis, Peter K.F. Grieder, E. Markopoulos, W. Chinowsky, A.E. Ball, V. A. Zhukov, P. Koske, J. E. Sopher, G. Aggouras, C. Green, G. Grammatikakis, Gerald Przybylski, Konstantinos Papageorgiou, E. Fahrun, A. Leisos, P. Minkowsky, L. K. Resvanis, D. R. Nygren, P. Katrivanos, I. Siotis, V. Tsagli, and G. Bourlis
Subjects: Shore, Physics, Nuclear and High Energy Physics, geography, geography.geographical_feature_category, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Cosmic ray, Particle detector, law.invention, Telescope, Nuclear physics, law, Measuring instrument, Calibration, High Energy Physics::Experiment, Neutrino, Instrumentation, Remote sensing
Abstract: NESTOR is a deep-sea neutrino telescope that is under construction in the Ionian Sea off the coast of Greece at a depth of about 4000 m. This paper briefly reviews the detector structure and deployment techniques before describing in detail the calibration and engineering run of a test detector carried out in 2003. The detector was operated for more than 1 month and data was continuously transmitted to shore via an electro-optical cable laid on the sea floor. The performance of the detector is discussed and analysis of the data obtained shows that the measured cosmic ray muon flux is in good agreement with previous measurements and with phenomenological cosmic ray models.
Published: 2005

9. A measurement of the cosmic-ray muon flux with a module of the NESTOR neutrino telescope

Author: P. Grieder, G. Przybylski, A. Tsirigotis, I. Siotis, G. Grammatikakis, D. Nygren, E. Markopoulos, W. Chinowsky, A. Staveris-Polikalas, L. K. Resvanis, P. Koske, K. Papageorgiou, E. Fahrun, V. Tsagli, P. Katrivanos, J. Sopher, G. Bourlis, G. Aggouras, P. Minkowsky, V. A. Zhukov, E. G. Anassontzis, C. Green, A. Leisos, and A. E. Ball
Subjects: Physics, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astronomy and Astrophysics, Cosmic ray, Astrophysics, law.invention, Telescope, Data acquisition, law, High Energy Physics::Experiment, Underwater, Neutrino, Zenith, Intensity (heat transfer)
Abstract: A module of the NESTOR underwater neutrino telescope was deployed at a depth of 3800 m in order to test the overall detector performance and particularly that of the data acquisition systems.A prolonged period of running under stable operating conditions made it possible to measure the cosmic ray muon flux, I 0 � cos a ðhÞ, as a function of the zenith angle h.Measured values of index a and the vertical intensity I0
Published: 2005

10. NESTOR experiment in 2003

Author: G. T. Prybylsky, R. Stokstad, S. Nounos, E. Fahrun, John G. Learned, A. V. Butkevich, L.M. Zakharov, A. E. Shnyrev, P. E. Christopoulos, Th. Schmidt, I. Siotis, W. Chinowsky, D. R. Nygren, Apostolos Tsirigotis, M. Passera, Peter K.F. Grieder, T. Staveris, Spyros Tzamarias, G. Grammatikakis, P. Minkowski, G. Bourlis, A. Babalis, E. G. Anassontzis, W. Voigt, E. Markopoulos, K. Komlev, N. Ziabko, N. Schmidt, P. Preve, J. Ludvig, L. B. Bezrukov, J. Rathley, L. G. Dedenko, M. Rosen, C. Politis, V.V. Ledenev, J. E. Sopher, A. Vougioukas, A. Darsaklis, C. Green, V. Tsagli, J. Kiskiras, P. Koske, G. Stavrakakis, J. Kontakxis, L. K. Resvanis, J. Makris, J. Gialas, O. Vaskin, Th. Mihos, R. Mitiguy, G. Voulgaris, O. Vasiliev, D. Elstrup, S.K. Karaevsky, Th. Knutz, Konstantinos Papageorgiou, S. Matsuno, V. A. Zhukov, A. Manousakis-Katsikakis, U. Keussen, A. Leisos, N. Arvanitis, D. Korostylev, J. Tsirmpas, P. Katrivanos, Ch. Goudis, G. Limberopoulos, A. Ball, N. M. Surin, A. A. Mironovich, A. Aloupis, and J. Mielke
Subjects: Physics, Nuclear physics, Optical Module, Nuclear and High Energy Physics, NESTOR Project, Neutrino detector, Software deployment, Neutrino telescope, Systems engineering, Submarine, Neutrino, Electronic systems, Atomic and Molecular Physics, and Optics
Abstract: NESTOR is a submarine high-energy muon and neutrino telescope, now under construction for deployment in the Mediterranean close to Greek shores. The first floor of NESTOR with 12 optical modules was deployed successfully in March 2003 together with the electronics system. All systems and the associated environmental monitoring units are operating properly and data are being recorded. The status of the NESTOR project is presented. We outline briefly the construction of the deepwater neutrino telescope, properties of the NESTOR site, infrastructure of the project, the deployment of the first floor, and its current operation. The first data are presented and plans for the next steps are summarized.
Published: 2004

11. Status of the IceCube Neutrino Observatory

Author: Olga Botner, C. Pérez de los Heros, John N. Bahcall, T. Becka, Othmane Bouhali, K. Hultqvist, R. C. Bay, K. Rawlins, S. Yoshida, M. Ribordy, N. van Eijndhoven, Gerald Przybylski, W Carithers, A. C. Pohl, S. Hundertmark, J. Cavin, A. W. Jones, James Madsen, D. Steele, H. Kawai, C. P. McParland, H. S. Matis, Ph. Herquet, J. I. Lamoureux, G. W. Sullivan, Soebur Razzaque, R. Paulos, R. G. Stokstad, Anna Davour, A. Goldschmidt, R. Wischnewski, J. Pretz, Ph. Olbrechts, Francis Halzen, R. H. Minor, Kael Hanson, R. Ganugapati, T. Hauschildt, Janet Jacobsen, D. F. Cowen, M. Solarz, Marek Kowalski, K.-H. Becker, Adam Bouchta, R. Schwarz, R. M. Gunasingha, Y. Minaeva, S. Patton, P. B. Price, Paolo Desiati, Allan Hallgren, R.-R Wang, Christian Bohm, Michael Stamatikos, R. Hardtke, George Japaridze, David A. Schneider, J. A. Goodman, Kurt Woschnagg, Hakki Ögelman, P. Niessen, D. Hubert, Wolfgang Wagner, K. Helbing, D. Berley, G. C. Hill, Paul Evenson, Todor Stanev, I. Taboada, S. Schlenstedt, C. Wiedemann, Christian Spiering, P. O. Hulth, H. Miyamoto, Dmitry Chirkin, Elisa Resconi, D. Seckel, Jean Gallagher, L. Köpke, Heiko Geenen, A. R. Fazely, H. Leich, H. Wissing, S. Tilav, N. Kitamura, R. Nahnhauer, Elisa Bernardini, J. Ahrens, D. R. Nygren, T. Neunhöffer, C. Walck, T. Messarius, K. Schinarakis, P. Steffen, Albrecht Karle, Thomas K. Gaisser, Jodi Cooley, Xinhua Bai, Jan Conrad, T. Feser, Wolfgang Rhode, T. J. Sumner, T. Castermans, Peter Mészáros, C. De Clercq, W. Chinowsky, D. Bertrand, S. Richter, M. Hellwig, R. W. Ellsworth, H. G. Sander, B. Collin, I. Liubarsky, C. H. Wiebusch, R. Morse, T. Stezelberger, D. Hays, R. Ehrlich, S. Böser, A. J. Smith, K. H. Sulanke, T. Burgess, M. Kestel, T. DeYoung, E. Blaufuss, D. Z. Besson, D. J. Boersma, Glenn Spiczak, B. Hughey, R. Koch, and P. Miocinovic
Subjects: Physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Solar neutrino, High Energy Physics::Phenomenology, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astronomy and Astrophysics, Astrophysics, Solar neutrino problem, IceCube Neutrino Observatory, law.invention, Telescope, Neutrino detector, Space and Planetary Science, law, Measurements of neutrino speed, High Energy Physics::Experiment, Neutrino, Neutrino astronomy
Abstract: The IceCube neutrino telescope, to be constructed near the Antarctic South Pole, represents the next generation of neutrino telescope. Its large 1 km3 size will make it uniquely sensitive to the detection of neutrinos from astrophysical sources. The current design of the detector is presented. The basic performance of the detector and its ability to search for neutrinos from various astrophysical sources has been studied using detailed simulations and is discussed.
Published: 2004

12. The AMANDA neutrino telescope

Author: E.C. Andrés, P. Askebjer, S.W. Barwick, R.C. Bay, L. Bergström, A. Biron, J. Booth, O. Botner, A. Bouchta, S. Carius, M. Carlson, W. Chinowsky, D. Chirkin, J. Conrad, C.G.S. Costa, D. Cowen, E. Dalberg, T. DeYoung, J. Edsjö, P. Ekström, A. Goobar, L. Gray, A. Hallgren, F. Halzen, R. Hardtke, S. Hart, Y. He, C.P. de los Heros, G. Hill, P.O. Hulth, S. Hundertmark, J. Jacobsen, A. Jones, V. Kandhadai, A. Karle, J. Kim, H. Leich, M. Leuthold, P. Lindahl, I. Liubarsky, P. Loaiza, D. Lowder, P. Marciniewski, T.C. Miller, P. Miocinovic, P.C. Mock, R. Morse, M. Newcomer, P. Niessen, D. Nygren, R. Porrata, D. Potter, P.B. Price, G. Przybylski, W. Rhode, S. Richter, J. Rodriguez, P. Romenesko, D. Ross, H. Rubinstein, T. Schmidt, E. Schneider, R. Schwarz, U. Schwendicke, G. Smoot, M. Solarz, V. Sorin, C. Spiering, P. Steffen, R. Stokstad, O. Streicher, I. Taboada, T. Thon, S. Tilav, C. Walck, C.H. Wiebusch, R. Wischnewski, K. Woschnagg, W. Wu, G. Yodh, and S. Young
Subjects: Particle physics, High energy, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Neutrino telescope, FOS: Physical sciences, Astrophysics, Particle detector, High Energy Physics - Experiment, law.invention, Telescope, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), law, Physics, Muon, Astrophysics (astro-ph), High Energy Physics::Phenomenology, Detector, Astronomy, Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics, High Energy Physics - Phenomenology, Early results, Space and Planetary Science, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Neutrino
Abstract: With an effective telescope area of order $10^4$ m$^2$ for TeV neutrinos, a threshold near $\sim$50 GeV and a pointing accuracy of 2.5 degrees per muon track, the AMANDA detector represents the first of a new generation of high energy neutrino telescopes, reaching a scale envisaged over 25 years ago. We describe early results on the calibration of natural deep ice as a particle detector as well as on AMANDA's performance as a neutrino telescope., Comment: 12 pages, Latex2.09, uses espcrc2.sty and epsf.sty, 13 postscript files included. Talk presented at the 18th International Conference on Neutrino Physics and Astrophysics (Neutrino 98), Takayama, Japan, June 1998
Published: 1998

13. 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

14. 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

15. 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

16. 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

17. 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

18. 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

19. 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

20. 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

21. 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

22. Limit on the top-quark mass from proton-antiproton collisions ats=1.8TeV

Author: T. Westhusing, Ag Clark, Af Garfinkel, Andrea Castro, Bl Winer, D. H. Kim, Da Kardelis, Se Kuhlmann, Rb Drucker, D. Dibitonto, C. Wendt, L. Song, T. Fuess, A. Scribano, Andrea Sansoni, Hs Budd, J. F. Patrick, M. Binkley, S. B. Kim, A. Mukherjee, Rl Swartz, F. Cervelli, Wen Li, K. Yasuoka, Amidei D, La Markosky, A. Yagil, Gp Yeh, A. M. Stefanini, F. Zetti, C. Hawk, Jst Ng, Andrew Beretvas, R. Paoletti, Christina Nelson, D. G. Underwood, T. C. Meyer, Paul Tipton, Marjorie Shapiro, P. Sphicas, Jay Hauser, D. Benjamin, T. Ino, P. Sinervo, S. Tkaczyk, E. Kovacs, C. P. Jessop, P. Kesten, S. Kanda, H. Grassmann, Wc Wester, P. Limon, J. Rhoades, John Huth, R. Hughes, T. L. Watts, N. M. Shaw, A. Tollestrup, Scarpine, Henry J. Frisch, S. Errede, Rp Johnson, R. Kephart, T. Rohaly, Ar Baden, T. Mimashi, D. Connor, M. Dickson, T. Devlin, Shlomit Tarem, Teresa Rodrigo, D. Crane, J. N. Bellinger, J. Yoh, G. Punzi, Y. Morita, K. Ragan, B. Flaugher, M. Takano, R. L. Wagner, L. Ristori, K. Goulianos, B. A. Barnett, L. Keeble, Giorgio Apollinari, M. Mishina, S. Park, P. Hurst, George Redlinger, A. Savoy-Navarro, Fumihiko Ukegawa, Cb Luchini, M. Campbell, S. Segler, M. Atac, Teruki Kamon, J. Wyss, F. Tartarelli, S. Behrends, Craig Blocker, M. Dell'Orso, Kiminori Kondo, M. Ninomiya, Bolognesi, A. Bamberger, E. E. Schmidt, Kaori Maeshima, M. Mangano, E. Kuns, Catherine Newman-Holmes, E. Pare, S. Bhadra, M. Gold, Roy F Schwitters, M. Timko, J. Siegrist, C. Day, M. Spahn, T. M. Liss, G. W. Brandenburg, M. Franklin, T. Hessing, J. P. Marriner, N. Wainer, J. Tonnison, William Trischuk, Stefano Zucchelli, S. Miyashita, L. Demortier, F. Ptohos, A. Etchegoyen, N. S. Lockyer, R. W. Kadel, E. Kearns, Hahn, U. Joshi, D. W. Gerdes, J. I. Lamoureux, Aw Booth, P. Giannetti, M. W. Bailey, S. Moulding, Nicola Turini, Kevin Einsweiler, R. Handler, S. Vejcik, S. Dell'Agnello, At Laasanen, James Mueller, R. K. Plunkett, A. Barbaro-Galtieri, L. Gladney, H. Keutelian, C. Haber, P. Lukens, G. Sullivan, Tj Phillips, L. Nodulman, S. Bertolucci, J. P. Berge, R. J. Cashmore, C. Boswell, Stefano Belforte, M. Contreras, Henrik Jeldtoft Jensen, P. Auchincloss, S. Ogawa, Nicola Bacchetta, H. Wenzel, Maria Curatolo, F. Bedeschi, Mh Schub, Fd Snider, B. Hubbard, M. Incagli, D. Theriot, R. Ely, M. Sheaff, Bellisario Esposito, R. Markeloff, R. M. Harris, R. Carey, S. Mikamo, J. Skarha, Da Smith, E. Buckley-Geer, Rd Sard, Duncan Carlsmith, Y. Seiya, P. Schlabach, Ab Wicklund, J. Hylen, A. Para, G. W. Foster, Jacobo Konigsberg, Pf Derwent, T. Baumann, M. Cordelli, G. Busetto, J. J. Walsh, R Stdenis, R. G. Wagner, Papadimitriou, Bt Huffman, Mosè Mariotti, P Debarbaro, B. Denby, R. C. Webb, M. Miller, Sandra Leone, W. Chinowsky, R. E. Blair, F. Rimondi, Sn White, L. E. Kirsch, Y. Tsay, S. Eno, Jt Carroll, S. Geer, J. D. Lewis, F. DeJongh, C. Grosso-Pilcher, J. Proudfoot, W. Carithers, Campagnari C, R. Mattingly, D. N. Brown, A. Byon-Wagner, H. Iso, R. J. Hollebeek, P. Giromini, A. Roodman, Anna Zanetti, A. Gauthier, Fumio Abe, J. C. Freeman, Kazuhiko Hara, K. Takikawa, P. Hu, P. Maas, M. J. Shochet, L. Pondrom, J. E. Elias, Rm Keup, Yasuo Fukui, I. Karliner, M. Roach, Wk Sakumoto, Hugh Williams, Kl Byrum, Lf Nakae, K. Chadwick, S. Cihangir, J. C. Yun, Nikos Giokaris, Giorgio Chiarelli, S. Miscetti, G. Bellettini, Virgil E Barnes, A. Caner, R. Vidal, A. Menzione, M. Yokoyama, O. Schneider, L. Holloway, J. Cooper, Itsuo Nakano, J. R. Bensinger, P. McIntyre, K. Sliwa, and D. R. Quarrie
Subjects: Physics, Quark, Top quark, Particle physics, Muon, Computer Science::Information Retrieval, High Energy Physics::Phenomenology, Tevatron, Bottom quark, Nuclear physics, Antiproton, High Energy Physics::Experiment, Fermilab, Lepton
Abstract: We present results of searches for the top quark in {ital p{bar p}} collisions at {radical}{ital s} =1.8 TeV. The data sample was collected during 1988--1989 at the Fermilab Tevatron Collider and has an integrated luminosity of 4.1 pb{sup {minus}1}. We have extended our previous search for {ital e}{mu} final states to include the {ital ee} and {mu}{mu} channels. In addition, we have searched for a low-transverse-momentum muon as a tag of the bottom quark in top decay events with a lepton and at least two jets. We obtain a lower limit on the top-quark mass of 91 GeV/{ital c}{sup 2} at the 95% confidence level assuming standard-model charged-current decays.
Published: 1992

23. 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

24. 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

25. 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

26. 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

27. 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

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

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

30. The AMANDA Neutrino Detector

Author: A. Biron, V. Kandhadai, P. Lindahl, Christian Spiering, E. Dalberg, C. Pérez de los Heros, V. Sorin, P. Ekström, W. Chinowsky, Y. D. He, J. Booth, U. Schwendicke, Matthias Leuthold, D. R. Nygren, Tony Liss, Steven W. Barwick, Joakim Edsjö, S. Young, P. Niessen, P. Steffen, Staffan Carius, Albrecht Karle, R. Porrata, J. Kim, M. Newcomer, D. F. Cowen, C. Walck, H. Rubinstein, P. Askebjer, G. B. Yodh, W. Wu, E. Schneider, P. B. Price, D. Ross, J. E. Jacobsen, Adam Bouchta, T. O. B. Schmidt, Lars Bergström, M. Solarz, W. Rhode, Francis Halzen, Allan Hallgren, D. M. Lowder, I. Liubarsky, R. Schwarz, G. C. Hill, E. Andres, M. Carlson, Kurt Woschnagg, C. H. Wiebusch, R. Hardtke, Ole Streicher, G. Smoot, S. Tilav, P. C. Mock, Jose Manuel Rodriguez, R. Morse, Dmitry Chirkin, Olga Botner, L. Thollander, T. C. Miller, H. Leich, P. Romenesko, S. Hundertmark, Pawel Marciniewski, P. Miocinovic, L. Gray, R. C. Bay, Caroline Costa, T. DeYoung, Gerald Przybylski, P. O. Hulth, R. G. Stokstad, R. Wischnewski, P. Loaiza, T. Thon, Ariel Goobar, and Stefan Richter
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Solar neutrino, Detector, Solar neutrino problem, Atomic and Molecular Physics, and Optics, Neutrino detector, Measurements of neutrino speed, High Energy Physics::Experiment, Neutrino, Neutrino oscillation
Abstract: The first stage of the AMANDA High Energy Neutrino Detectorat the South Pole, the 302 PMT array AMANDA-B with an expected effectivearea for TeV neutrinos of similar to 10(4) m(2), has been taking datasince 1997. Progress with calibration, investigation of ice properties,as well as muon and neutrino data analysis are described. The next stage20-string detector AMANDA-II with similar to 800 PMTs will be completedin spring 2000.
Published: 1999

31. 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

32. 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

33. 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

34. 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

35. 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

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

37. Sensitivity of the IceCube detector to astrophysical sources of high energy muon neutrinos

Author: George Japaridze, I. Taboada, P. Miocinovic, M. Hellwig, R Koch, R. M. Gunasingha, H. G. Sander, R. Paulos, R. C. Bay, Michael Stamatikos, R. Ganugapati, T. Neunhöffer, Albrecht Karle, B. Collin, D. F. Cowen, Marek Kowalski, Christian Spiering, J. A. Goodman, K. Rawlins, K. Schinarakis, C. Pérez de los Heros, T. Becka, P. Niessen, P. B. Price, T. O. B. Schmidt, I. Liubarsky, James Madsen, Soebur Razzaque, K. Helbing, T. Castermans, Jodi Cooley, A. Biron, Elisa Resconi, N. Kitamura, D. Hubert, Kurt Woschnagg, Peter Mészáros, Paul Evenson, S. Schlenstedt, M. Kestel, R. G. Stokstad, C. H. Wiebusch, S. Hundertmark, S. Tilav, K. H. Sulanke, C. De Clercq, R. Wischnewski, A. J. Smith, Dmitry Chirkin, C. Wiedemann, T. DeYoung, Jean Gallagher, J. I. Lamoureux, G. W. Sullivan, A. C. Pohl, S. Richter, Xinhua Bai, Ph. Herquet, L. Köpke, T. Burgess, D. Z. Besson, R. Morse, R. Schwarz, E. Blaufuss, D. J. Boersma, J. Ahrens, D. Bertrand, K.-H. Becker, D. Steele, K. Hultqvist, J. Cavin, R. H. Minor, Kael Hanson, William Carithers, T. J. Sumner, H. S. Matis, Elisa Bernardini, S. Patton, Ph. Olbrechts, T. Stezelberger, Paolo Desiati, Francis Halzen, R. W. Ellsworth, Wolfgang Rhode, Hakki Ögelman, H. Kawai, H. Leich, S. Böser, C. P. McParland, Olga Botner, R. Hardtke, M. Solarz, A. Goldschmidt, R. Nahnhauer, M. Ribordy, T. Messarius, S. Yoshida, D. Hays, W. Chinowsky, N. van Eijndhoven, Glenn Spiczak, B. Hughey, Gerald Przybylski, R. Ehrlich, T. Hauschildt, Adam Bouchta, R.-R Wang, Allan Hallgren, Wolfgang Wagner, P. O. Hulth, H. Wissing, D. Seckel, Anna Davour, Janet Jacobsen, Todor Stanev, H. Miyamoto, C. Walck, Thomas K. Gaisser, J. Pretz, Y. Minaeva, A. W. Jones, John N. Bahcall, Matthias Leuthold, Othmane Bouhali, D. R. Nygren, P. Steffen, Jan Conrad, T. Feser, Christian Bohm, David A. Schneider, D. Berley, G. C. Hill, Heiko Geenen, and A. R. Fazely
Subjects: Physics, Active galactic nucleus, Muon, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astrophysics (astro-ph), Gamma ray, FOS: Physical sciences, IceCube, Neutrino astronomy, Neutrino telescope, Astronomy and Astrophysics, Cosmic ray, Astrophysics, High Energy Physics::Experiment, Neutrino, Gamma-ray burst
Abstract: We present the results of a Monte-Carlo study of the sensitivity of the planned IceCube detector to predicted fluxes of muon neutrinos at TeV to PeV energies. A complete simulation of the detector and data analysis is used to study the detector's capability to search for muon neutrinos from sources such as active galaxies and gamma-ray bursts. We study the effective area and the angular resolution of the detector as a function of muon energy and angle of incidence. We present detailed calculations of the sensitivity of the detector to both diffuse and pointlike neutrino emissions, including an assessment of the sensitivity to neutrinos detected in coincidence with gamma-ray burst observations. After three years of datataking, IceCube will have been able to detect a point source flux of E^2*dN/dE = 7*10^-9 cm^-2s^-1GeV at a 5-sigma significance, or, in the absence of a signal, place a 90% c.l. limit at a level E^2*dN/dE = 2*10^-9 cm^-2s^-1GeV. A diffuse E-2 flux would be detectable at a minimum strength of E^2*dN/dE = 1*10^-8 cm^-2s^-1sr^-1GeV. A gamma-ray burst model following the formulation of Waxman and Bahcall would result in a 5-sigma effect after the observation of 200 bursts in coincidence with satellite observations of the gamma-rays., Comment: 33 pages, 13 figures, 6 tables
Published: 2004

38. Evidence for Anomalous Lepton Production in e+−e− Annihilation

Author: M. L. Perl, G. S. Abrams, A. M. Boyarski, M. Breidenbach, D. D. Briggs, F. Bulos, W. Chinowsky, J. T. Dakin, G. J. Feldman, C. E. Friedberg, D. Fryberger, G. Goldhaber, G. Hanson, F. B. Heile, B. Jean-Marie, J. A. Kadyk, R. R. Larsen, A. M. Litke, D. Lüke, B. A. Lulu, V. Lüth, D. Lyon, C. C. Morehouse, J. M. Paterson, F. M. Pierre, T. P. Pun, P. A. Rapidis, B. Richter, B. Sadoulet, R. F. Schwitters, W. Tanenbaum, G. H. Trilling, F. Vannucci, J. S. Whitaker, F. C. Winkelmann, and J. E. Wiss
Published: 1995

39. Radiation damage testing at the SSC (Superconducting Super Collider)

Author: W Chinowsky and R Thun
Published: 1990

40. 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

41. Total Cross Section for Hadron Production by Electron-Positron Annihilation between 2.4 and 5.0 GeV Center-of-Mass Energy

Author: G. E. Fischer, John Scott Whitaker, G. Hanson, G. J. Feldman, J. E. Zipse, D. Lyon, V. Luth, W. Chinowsky, B. Jean-Marie, R. J. Hollebeek, R. R. Larsen, D. Fryberger, C. E. Friedberg, G. H. Trilling, R. F. Schwitters, A. M. Boyarski, J. M. Paterson, J. T. Dakin, Martin Breidenbach, J. E. Augustin, Burton Richter, J. A. Kadyk, F. Vannucci, H. L. Lynch, C. C. Morehouse, G. S. Abrams, G. Goldhaber, D. D. Briggs, F. Bulos, and M. L. Perl
Subjects: Nuclear physics, Physics, Particle physics, Annihilation, Electron–positron annihilation, Hadron, General Physics and Astronomy, High Energy Physics::Experiment, Multiplicity (chemistry), Nuclear Experiment
Abstract: The total cross section for hadron production by ${e}^{+}{e}^{\ensuremath{-}}$ annihilation has been measured at center-of-mass energies between 2.4 and 5.0 GeV. Aside from the very narrow resonances $\ensuremath{\psi}(3105)$ and $\ensuremath{\psi}(3695)$, the cross section varies between 32 and 17 nb over this region with structure in the vicinity of 4.1 GeV.
Published: 1975

42. Evidence for Jet Structure in Hadron Production bye+e−Annihilation

Author: R. R. Larsen, J. A. Kadyk, W. Chinowsky, V. Luth, James E Wiss, W. Tanenbaum, G. Hanson, F. Bulos, A. M. Litke, C. C. Morehouse, B. Sadoulet, M. L. Perl, Martin Breidenbach, D. Lüke, F. M. Pierre, Roy F Schwitters, D. L. Hartill, A. M. Boyarski, J. M. Paterson, Burton Richter, G. H. Trilling, G. S. Abrams, P. A. Rapidis, F. C. Winkelmann, B. Jean-Marie, C. E. Friedberg, G. J. Feldman, B. A. Lulu, D. Fryberger, J. S. Whitaker, F. Vannucci, H. L. Lynch, T. P. Pun, and G. Goldhaber
Subjects: Physics, Particle physics, Annihilation, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, Hadron, Structure (category theory), General Physics and Astronomy, Astrophysics::Cosmology and Extragalactic Astrophysics, Jet (particle physics), Nuclear physics, Angular distribution, High Energy Physics::Experiment, Production (computer science), Astrophysics::Earth and Planetary Astrophysics, Nuclear Experiment
Abstract: We have found evidence for jet structure in ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}\mathrm{hadrons}$ at center-of-mass energies of 6.2 and 7.4 GeV. At 7.4 GeV the jet-axis angular distribution integrated over azimuthal angle was determined to be proportional to $1+(0.78\ifmmode\pm\else\textpm\fi{}0.12){cos}^{2}\ensuremath{\theta}$.
Published: 1975

43. Observation of a Resonance at 4.4 GeV and Additional Structure near 4.1 GeV ine+e−Annihilation

Author: G. Hanson, R. R. Larsen, T. P. Pun, G. Goldhaber, P. A. Rapidis, F. C. Winkelmann, I. Peruzzi, D. L. Hartill, V. Luth, G. H. Trilling, B. Jean-Marie, F. Vannucci, H. L. Lynch, J. M. Paterson, G. J. Feldman, W. Chinowsky, C. E. Friedberg, M. Piccolo, C. C. Morehouse, R. J. Madaras, F. Bulos, F. M. Pierre, Roy F Schwitters, J. A. Jaros, M. L. Perl, A. M. Boyarski, H. K. Nguyen, J. Siegrist, J. S. Whitaker, Martin Breidenbach, Burton Richter, J. A. Kadyk, James E Wiss, D. Fryberger, B. Sadoulet, G. S. Abrams, W. Tanenbaum, and D. Lüke
Subjects: Physics, Particle physics, Electron pair, Annihilation, Meson, Hadron, General Physics and Astronomy, Elementary particle, Resonance (particle physics), Nuclear physics, Particle decay, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment, Boson
Abstract: We observe a resonancelike structure in the total cross section for hadron production by e$sup +$e$sup -$ colliding beams at a mass of 4414 +- 7 MeV having a total width GAMMA = 33 +- 10 MeV. From the area under this resonance, we deduce the partial width to electron pairs to be GAMMA/sub ee/ = 440 +- 140 eV. Further structure of comparable width is present near 4.1 GeV. (AIP)
Published: 1976

44. Determination of theGParity and Isospin ofψ(3095)by Study of Multipion Decays

Author: W. Chinowsky, G. Hanson, D. Fryberger, V. Luth, F. M. Pierre, Burton Richter, A. M. Litke, Roy F Schwitters, T. P. Pun, G. S. Abrams, J. S. Whitaker, A. M. Boyarski, G. Goldhaber, D. Lüke, F. Vannucci, J. A. Kadyk, H. L. Lynch, Martin Breidenbach, B. Sadoulet, W. Tanenbaum, R. R. Larsen, James E Wiss, F. Bulos, M. L. Perl, P. A. Rapidis, C. C. Morehouse, F. C. Winkelmann, B. Jean-Marie, D. L. Hartill, C. E. Friedberg, G. J. Feldman, B. A. Lulu, J. M. Paterson, and G. H. Trilling
Subjects: Nuclear physics, Physics, Particle physics, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Isospin, G-parity, General Physics and Astronomy, Quantum number
Abstract: We present here a measurement of six branching ratios of psi (3095) corresponding to the decays psi (3095) $Yields$rho$pi$, 2($pi$$sup +$$pi$$sup - $), 2($pi$$sup +$$pi$$sup -$)1$pi$$sup 0$, 3($pi$$sup +$$pi$$sup -$), 3($pi$$sup +$$pi$$sup -$)1$pi$$sup 0$, and 4($pi$$sup +$$pi$$sup -$)1$pi$$sup 0$. From this study, the isospin and G-parity quantum numbers are found to be I/supG/=0$sup -$. (AIP)
Published: 1976

45. Experimental upper limits on branching fractions for unexpected decay modes of theτlepton

Author: M. E. Nelson, A. Blondel, William Carithers, G. S. Abrams, J. A. Kadyk, A. M. Boyarski, S. Cooper, T. Himel, W. Chinowsky, G. Goldhaber, J. Strait, D. L. Burke, Michael Levi, R. J. Hollebeek, E. N. Vella, J. F. Patrick, R. R. Larsen, L̈th, Kenneth G. Hayes, Burton Richter, A. Roussarie, J. Dorfan, G. Gidal, G. Hanson, J. Dorenbosch, G. J. Feldman, M. W. Coles, J. B. Dillon, Rafe Schindler, A. J. Lankford, R. E. Millikan, A. D. Johnson, W. E. Dieterle, Alam, J. A. Jaros, H. Taureg, M. E. B. Franklin, J. L. Siegrist, P. Jenni, I. Videau, H. Zaccone, M. L. Perl, G. H. Trilling, Walter R. Innes, Martin Breidenbach, R. A. Vidal, D. L. Scharre, M. W. Eaton, M. Tonutti, C. Y. Pang, J. M. Weiss, D. G. Hitlin, R. F. Schwitters, and CA Blocker
Subjects: Physics, Particle physics, Annihilation, Branching fraction, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, Lepton number, Nuclear physics, Particle decay, Pair production, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Lepton
Abstract: Searches for 12 neutrinoless decay modes of the which violate lepton-number conservation have been made using the reaction e+e-+-. No evidence for lepton-number violation is observed, and we have set upper limits (90% C.L.) on the branching ratio for each decay mode. The branching-ratio limits on the radiative decays and e are 0.055 and 0.064%, respectively. For the charged lepton decays ee, eee, and, the branching ratio limits are 0.040, 0.033, 0.044, and 0.049%, respectively. Upper limits on the branching ratios for the following charged lepton + neutral hadron decays are 0 (0.037%), 0 (0.044%), eK0 (0.13%), K0 (0.10%), 0 (0.21%), and 0 (0.082%). We also use these data to search for the pair production in e+e- annihilation of some unconventional particles with masses less than about 3 GeV/c2. © 1982 The American Physical Society.
Published: 1982

46. D*+Production ine+e−Annihilation at 29 GeV

Author: C. Matteuzzi, Andrew Lankford, H. Schellman, G. J. Feldman, M. Franklin, C. A. Blocker, G. Zhao, J. M. Weiss, A. Roussarie, G. H. Trilling, A. D. Johnson, Martin Breidenbach, J. L. Siegrist, Gordon H. Hanson, Michael Levi, A. M. Boyarski, V. Lüth, A. Blondel, M. L. Perl, C. Zaiser, R. J. Hollebeek, Roy F Schwitters, G. Gidal, D. Schlatter, L. Golding, G. S. Abrams, Mark E. Nelson, Adam S. Backer, J. B. Dillon, D. Amidei, J. M. Yelton, B. W. Leclaire, L. Gladney, M. W. Eaton, J. F. Patrick, N. S. Lockyer, M. Werlen, G. von Dardel, J. A. Jaros, J. A. Kadyk, W. E. Dieterle, W. R. Innes, Burton Richter, D. L. Burke, J. M. Dorfan, T. Schaad, G. Goldhaber, J. Dorenbosch, R. R. Larsen, R. A. Vidal, J. Strait, B. Löhr, W. Chinowsky, and Yihua Wang
Subjects: Quark, Physics, Particle physics, Annihilation, Meson, High Energy Physics::Lattice, Nuclear Theory, High Energy Physics::Phenomenology, Hadron, General Physics and Astronomy, Parton, Elementary particle, Nuclear physics, Fragmentation function, High Energy Physics::Experiment, Nuclear Experiment, Boson
Abstract: The production of the charmed meson state D*+ has been observed in e+e- annihilation at 29 GeV. The fragmentation function for charmed quarks appears to be peaked about z=0.5. © 1982 The American Physical Society.
Published: 1982

47. D meson production and decay in e+e− annihilation at 4.03 and 4 GeV c.m. energy

Author: H. K. Nguyen, James E Wiss, W. Chinowsky, G. H. Trilling, W. Tanenbaum, J. M. Paterson, R. H. Schindler, A. D. Johnson, S. Cooper, D. Lüke, R. J. Madaras, W. C. Carithers, T. P. Pun, C. C. Morehouse, G. Goldhaber, H. L. Lynch, G. Hanson, I. Peruzzi, M. L. Perl, G. S. Abrams, Martin Breidenbach, G. J. Feldman, J. A. Jaros, F. M. Pierre, Roy F Schwitters, J. Dorfan, A. M. Boyarski, J. A. Kadyk, V. Luth, M. Piccolo, Burton Richter, M. S. Alam, P. A. Rapidis, and J. L. Siegrist
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle decay, Pion, Meson, Branching fraction, Electron–positron annihilation, D meson, Analytical chemistry, Dalitz plot, Multiplicity (chemistry)
Abstract: Decay modes of the charmed mesons, D 0 and D + , are studied in e + e − annihilation data at 4.03 and 4.41 GeV c.m. energy. The products of cross section times branching ratio are measured for the K − π + , K − π + π + π − , K S π + π − and K − π + π + final states. Upper limits are established for the Cabibbo forbidden decays via π + π − , K + K − , K + K − π + , K + π + π − and π + π − π + . The K − π + π + π − final state is shown to be dominated by K − π + ρ 0 .
Published: 1977

48. Measurement of High-Energy Direct Photons inψDecays

Author: W. Chinowsky, A. J. Lankford, J. F. Patrick, R. E. Millikan, M. W. Eaton, A. Roussarie, J. M. Weiss, J. Dorenbosch, G. J. Feldman, C. A. Blocker, Mark E. Nelson, H. Taureg, C. Y. Pang, D. L. Scharre, G. H. Trilling, E. Vella, V. Luth, K. G. Hayes, A. D. Johnson, S. Cooper, J. A. Jaros, R. R. Larsen, Martin Breidenbach, M. L. Perl, R. A. Vidal, Walter R. Innes, T. Himel, M. S. Alam, J. Dorfan, D. G. Hitlin, I. Videau, R. F. Schwitters, H. Zaccone, J. L. Siegrist, J. Strait, Rafe Schindler, M. Tonutti, W. E. Dieterle, G. Hanson, J. B. Dillon, Burton Richter, A. M. Boyarski, G. S. Abrams, D. L. Burke, R. J. Hollebeek, M. W. Coles, G. Gidal, M. E. B. Franklin, J. A. Kadhk, P. Jenni, W. C. Carithers, and G. Goldhaber
Subjects: Momentum, Massless particle, Physics, Nuclear physics, Photon, Pion, Meson, Hadron, General Physics and Astronomy, High Energy Physics::Experiment, Elementary particle, Boson
Abstract: The inclusive ..gamma.. and ..pi../sup 0/ momentum distributions at the psi have been measured. Using these data and estimates of eta production, it is found that (4.1 +- 0.8) % of psi decays contain a direct photon with energy greater than 60% of the beam energy. The expected momentum distribution for direct photons calculated to lowest order in quantum chromodynamics is qualitatively different from that observed in the data.
Published: 1980

49. Observation of the radiative transition ψ → γE(1420)

Author: G. H. Trilling, J. A. Kadyk, A. J. Lankford, J. Dorenbosch, G. J. Feldman, M. L. Perl, Walter R. Innes, A. Roussarie, M. S. Alam, H. Taureg, J. L. Siegrist, M. W. Coles, Martin Breidenbach, J. Dorfan, G. Hanson, H. Zaccone, V. Luth, R. A. Vidal, A. M. Boyarski, C. Y. Pang, J. M. Weiss, A. Blondel, J. Strait, W. E. Dieterle, W. C. Carithers, C. A. Blocker, Rafe Schindler, R. R. Larsen, T. Himel, Mark E. Nelson, E. Vella, Roy F Schwitters, M. Tonutti, A. D. Johnson, G. Gidal, S. Cooper, Burton Richter, J. A. Jaros, G. S. Abrams, J. B. Dillon, M. E. B. Franklin, D. L. Scharre, D. G. Hitlin, K. G. Hayes, G. Goldhaber, D. L. Burke, P. Jenni, M. W. Eaton, I. Videau, R. J. Hollebeek, W. Chinowsky, J. F. Patrick, and R. E. Millikan
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Branching fraction, Isospin, Product (mathematics), Electron–positron annihilation, Radiative transition, State (functional analysis), Singlet state, Atomic physics
Abstract: We have observed a radiative transition from the ψ to a state decaying into K S K ± π ∓ , with mass M = 1.44 −0.015 +0.01 GeV/ c 2 and width Γ = 0.05 −0.02 +0.03 GeV/ c 2 . We tentatively identify this state as the E(1420). Assuming that this state is an isospin singlet, we have determined the branching fraction product B(ψ → γ E ) × B( E × K K π) = (3.6 ± 1.4) × 10 −3 .
Published: 1980

50. Observation of the Decayψ→γρ0ρ0

Author: M. E. B. Franklin, P. Jenni, M. S. Alam, J. L. Siegrist, C. Y. Pang, G. Gidal, A. D. Johnson, E. Vella, J. Strait, M. W. Coles, R. J. Hollebeek, S. Cooper, M. W. Eaton, M. Tonutti, C. A. Blocker, D. L. Scharre, M. L. Perl, R. R. Larsen, Mark E. Nelson, Kenneth G. Hayes, A. Roussarie, W. Chinowsky, G. S. Abrams, J. F. Patrick, H. Taureg, R. E. Millikan, Martin Breidenbach, R. A. Vidal, I. Videau, A. J. Lankford, W. C. Carithers, G. Goldhaber, V. Luth, H. Zaccone, T. Himel, C. Zaiser, G. H. Trilling, J. Dorenbosch, D. L. Burke, G. J. Feldman, J. A. Jaros, J. A. Kadyk, R. H. Schindler, D. G. Hitlin, R. F. Schwitters, J. Dorfan, W. E. Dieterle, A. M. Boyarski, J. M. Weiss, Michael Levi, Burton Richter, W. R. Innes, G. Hanson, and J. B. Dillon
Subjects: Massless particle, Nuclear physics, Physics, Pion, Meson, Branching fraction, Hadron, Mass spectrum, General Physics and Astronomy, Elementary particle, Spectral line
Abstract: The prompt photon decay (3095)+-+- has been studied with the Mark II detector at SPEAR. This channel is found to contain a 00 component with 00 masses concentrated between 1.4 and 2.0 GeV/c2. The branching fraction for the 00 decay with masses less than 2.0 GeV/c2 is measured to be (1.25±0.35±0.40)×10-3. © 1982 The American Physical Society.
Published: 1982

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