Isolated photon cross section in p p̄ collisions at √s = 1.8 TeV

B. Abbott, M. Abolins, V. Abramov, B. S. Acharya, D. L. Adams, M. Adams, S. Ahn, V. Akimov, G. A. Alves, N. Amos, E. W. Anderson, M. M. Baarmand, V. V. Babintsev, L. Babukhadia, A. Baden, B. Baldin, S. Banerjee, J. Bantly, E. Barberis, P. BaringerJ. F. Bartlett, U. Bassler, A. Belyaev, S. B. Beri, G. Bernardi, I. Bertram, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, G. Blazey, S. Blessing, A. Boehnlein, N. I. Bojko, F. Borcherding, A. Brandt, R. Breedon, G. Briskin, R. Brock, G. Brooijmans, A. Bross, D. Buchholz, V. Buescher, V. S. Burtovoi, J. M. Butler, W. Carvalho, D. Casey, Z. Casilum, H. Castilla-Valdez, D. Chakraborty, K. M. Chan, S. V. Chekulaev, W. Chen, D. K. Cho, S. Choi, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, L. Coney, B. Connolly, W. E. Cooper, D. Coppage, D. Cullen-Vidal, M. A.C. Cummings, D. Cutts, O. I. Dahl, K. Davis, K. De, K. Del Signore, M. Demarteau, D. Denisov, S. P. Denisov, H. T. Diehl, M. Diesburg, G. di Loreto, P. Draper, Y. Ducros, L. V. Dudko, S. R. Dugad, A. Dyshkant, D. Edmunds, J. Ellison, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, J. Estrada, H. Evans, V. N. Evdokimov, T. Fahland, S. Feher, D. Fein, T. Ferbel, H. E. Fisk, Y. Fisyak, E. Flattum, F. Fleuret, M. Fortner, K. C. Frame, S. Fuess, E. Gallas, A. N. Galyaev, P. Gartung, V. Gavrilov, R. J. Genik, K. Genser, C. E. Gerber, Y. Gershtein, B. Gibbard, R. Gilmartin, G. Ginther, B. Gobbi, B. Gómez, G. Gómez, P. I. Goncharov, J. L. González Solís, H. Gordon, L. T. Goss, K. Gounder, A. Goussiou, N. Graf, P. D. Grannis, D. R. Green, J. A. Green, H. Greenlee, S. Grinstein, P. Grudberg, S. Grünendahl, G. Guglielmo, A. Gupta, S. N. Gurzhiev, G. Gutierrez, P. Gutierrez, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, K. S. Hahn, R. E. Hall, P. Hanlet, S. Hansen, J. M. Hauptman, C. Hays, C. Hebert, D. Hedin, A. P. Heinson, U. Heintz, T. Heuring, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. S. Hoftun, F. Hsieh, A. S. Ito, S. A. Jerger, R. Jesik, T. Joffe-Minor, K. Johns, M. Johnson, A. Jonckheere, M. Jones, H. Jöstlein, S. Y. Jun, S. Kahn, E. Kajfasz, D. Karmanov, D. Karmgard, R. Kehoe, S. K. Kim, B. Klima, C. Klopfenstein, B. Knuteson, W. Ko, J. M. Kohli, D. Koltick, A. V. Kostritskiy, J. Kotcher, A. V. Kotwal, A. V. Kozelov, E. A. Kozlovsky, J. Krane, M. R. Krishnaswamy, S. Krzywdzinski, M. Kubantsev, S. Kuleshov, Y. Kulik, S. Kunori, G. Landsberg, A. Leflat, F. Lehner, J. Li, Q. Z. Li, J. G.R. Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, J. G. Lu, A. Lucotte, L. Lueking, C. Lundstedt, A. K.A. Maciel, R. J. Madaras, V. Manankov, S. Mani, H. S. Mao, R. Markeloff, T. Marshall, M. I. Martin, R. D. Martin, K. M. Mauritz, B. May, A. A. Mayorov, R. McCarthy, J. McDonald, T. McKibben, T. McMahon, H. L. Melanson, M. Merkin, K. W. Merritt, C. Miao, H. Miettinen, A. Mincer, C. S. Mishra, N. Mokhov, N. K. Mondal, H. E. Montgomery, M. Mostafa, H. da Motta, E. Nagy, F. Nang, M. Narain, V. S. Narasimham, H. A. Neal, J. P. Negret, S. Negroni, D. Norman, L. Oesch, V. Oguri, B. Olivier, N. Oshima, D. Owen, P. Padley, A. Para, N. Parashar, R. Partridge, N. Parua, M. Paterno, A. Patwa, B. Pawlik, J. Perkins, M. Peters, R. Piegaia, H. Piekarz, Y. Pischalnikov, B. G. Pope, E. Popkov, H. B. Prosper, S. Protopopescu, J. Qian, P. Z. Quintas, R. Raja, S. Rajagopalan, N. W. Reay, S. Reucroft, M. Rijssenbeek, T. Rockwell, M. Roco, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, A. Schwartzman, J. Sculli, N. Sen, E. Shabalina, H. C. Shankar, R. K. Shivpuri, D. Shpakov, M. Shupe, R. A. Sidwell, H. Singh, J. B. Singh, V. Sirotenko, P. Slattery, E. Smith, R. P. Smith, R. Snihur, G. R. Snow, J. Snow, S. Snyder, J. Solomon, X. F. Song, V. Sorín, M. Sosebee, N. Sotnikova, M. Souza, N. R. Stanton, G. Steinbrück, R. W. Stephens, M. L. Stevenson, F. Stichelbaut, D. Stoker, V. Stolin, D. A. Stoyanova, M. Strauss, K. Streets, M. Strovink, L. Stutte, A. Sznajder, J. Tarazi, M. Tartaglia, T. L.T. Thomas, J. Thompson, D. Toback, T. G. Trippe, A. S. Turcot, P. M. Tuts, P. van Gemmeren, V. Vaniev, N. Varelas, A. A. Volkov, A. P. Vorobiev, H. D. Wahl, J. Warchol, G. Watts, M. Wayne, H. Weerts, A. White, J. T. White, J. A. Wightman, S. Willis, S. J. Wimpenny, J. V.D. Wirjawan, J. Womersley, D. R. Wood, R. Yamada, P. Yamin, T. Yasuda, K. Yip, S. Youssef, J. Yu, Y. Yu, M. Zanabria, H. Zheng, Z. Zhou, Z. H. Zhu, M. Zielinski, D. Zieminska, A. Zieminski, V. Zutshi, E. G. Zverev, A. Zylberstejn

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75 Citations (Scopus)

Abstract

We report a new measurement of the cross section for the production of isolated photons with transverse energies (E T γ) above 10 GeV and pseudorapidities |η| < 2.5 in p̄ collisions at √s = 1.8 TeV. The results are based on a data sample of 107.6 pb -1 recorded during 1992-1995 with the D0 detector at the Fermilab Tevatron collider. The background, predominantly from jets which fragment to neutral mesons, was estimated using the longitudinal shower shape of photon candidates in the calorimeter. The measured cross section is in good agreement with the next-to-leading order QCD calculation for E T γ ≳ 36 GeV.

Original languageEnglish
Article number2786
JournalPhysical review letters
Volume84
Issue number13
DOIs
Publication statusPublished - 2000 Mar 27
Externally publishedYes

Bibliographical note

Funding Information:
We acknowledge the support of ANPCyT , Argentina; YerPhI , Armenia; ARC , Australia; BMWF , Austria; ANAS , Azerbaijan; SSTC , Belarus; CNPq and FAPESP , Brazil; NSERC , NRC and CFI , Canada; CERN ; CONICYT , Chile; CAS , MOST and NSFC , China; COLCIENCIAS , Colombia; MSMT CR , MPO CR and VSC CR , Czech Republic; DNRF , DNSRC and Lundbeck Foundation , Denmark; ARTEMIS , European Union; IN2P3-CNRS , CEA-DSM/IRFU , France; GNAS , Georgia; BMBF , DFG , HGF , MPG and AvH Foundation , Germany; GSRT , Greece; ISF , MINERVA , GIF , DIP and Benoziyo Center , Israel; INFN , Italy; MEXT and JSPS , Japan; CNRST , Morocco; FOM and NWO , Netherlands; RCN , Norway; MNiSW , Poland; GRICES and FCT , Portugal; MERYS (MECTS) , Romania; MES of Russia and ROSATOM , Russian Federation; JINR ; MSTD , Serbia; MSSR , Slovakia; ARRS and MVZT , Slovenia; DST/NRF , South Africa; MICINN , Spain; SRC and Wallenberg Foundation , Sweden; SER , SNSF and Cantons of Bern and Geneva , Switzerland; NSC , Taiwan; TAEK , Turkey; STFC , the Royal Society and Leverhulme Trust , United Kingdom; DOE and NSF , United States of America.

ASJC Scopus subject areas

  • General Physics and Astronomy

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