Probing hard color-singlet exchange in [formula omitted] collisions at [formula omitted] = 630 GeV and 1800 GeV

B Abbott ,Ting Hu,W E Cooper ,H S Mao ,C K Jung ,S P Denisov ,S Banerjee ,M Fortner ,K Johns ,M Souza ,C Boswell ,V Manankov ,M Sosebee ,K De ,J Warchol ,P C Bloom ,B C Choudhary ,M Fatyga ,W Ko ,E Smith ,M Tartaglia ,V Stolin ,S M Chang ,V Vaniev ,J Tarazi ,M Paterno ,A Lucotte ,H Miettinen ,E Oltman ,W G Cobau ,Y M Park ,D Chakraborty ,N Parua ,S Protopopescu ,S N Gurzhiev ,D Shpakov ,J Qian ,J P Negret ,P Z Quintas ,F Borcherding ,Michael Peters ,D A Stoyanova ,J Womersley ,E A Kozlovsky ,A S Ito ,R E Hall ,C Klopfenstein ,G A Alves ,R Markeloff ,S Fuess ,M Strauss ,S Loken ,V Hagopian ,J M Hauptman ,S Snyder ,Alberto Sánchez Hernández ,B Gobbi ,A White ,A G Goussiou ,N I Bojko ,В С Буртовой ,M Mostafa ,P Hanlet ,David J Stewart ,S Blessing ,A Dyshkant ,Y Fisyak ,S Hansen ,J Linnemann ,S Willis ,J M Butler ,C E Gerber ,M Jones ,S Krzywdziński ,J P Rutherfoord ,P D Grannis ,И Адам ,Z Wu ,M Rijssenbeek ,R Brock ,U Heintz ,H Prosper ,J Yu ,P Draper ,T Rockwell ,G Finocchiaro ,R Snihur ,E Barberis ,R P Smith ,M R Krishnaswamy ,R K Shivpuri ,Y Pischalnikov ,E Shabalina ,S Chopra ,S Rajagopalan ,R J Madaras ,O I Dahl ,J M Guida ,P Ermolov ,R Ruchti ,A Bross ,J Cochran ,M Roco ,J V.d Wirjawan ,Z Zhou ,J A Wightman ,S Linn ,H E Fisk ,R D Schamberger ,J Jaques ,G Gómez ,D Wood ,B S Acharya ,G Watts ,P Grudberg ,K C Frame ,F Landry ,S Kahn ,H Castilla‐Valdez ,P Mooney ,S Choi ,A L Lyon ,S Reucroft ,E J Gallas ,N Graf ,N J Hadley ,F Hsieh ,Q Z Li-Demarteau ,A Belyaev ,P Padley ,O Ramírez ,V Abramov ,H Singh ,D Denisov ,E James ,G Gutiérrez ,Y Gershtein ,J Li ,K S Hahn ,L T Goss ,A V Kostritskiy ,G Landsberg ,A Narayanan ,M A Shupe ,Z H Zhu ,I A Bertram ,A I Mincer ,Y Kulik ,A P Heinson ,R Kehoe ,J Bantly ,G Di Loreto ,S Grünendahl ,P Gutiérrez ,S Y Jun ,T Ferbel ,W Chen ,J Solomon ,D R Green ,V Oguri ,P Gartung ,C Shaffer ,F Nang ,T L Geld ,J Mckinley ,R J Genik ,R Lipton ,R Breedon ,D Hedin ,E G De Oliveira ,A Boehnlein ,G Guglielmo ,J H Christenson ,T Marshall ,P M Tuts ,V S Narasimham ,B Gómez ,D Buchholz ,S K Kim ,A Jonckheere ,A P Vorobiev ,A Kotwal ,S Wimpenny ,S Fehér ,J Snow ,M R Adams ,K W Merritt ,G Blazey ,D Edmunds ,A Gupta ,John Mcdonald ,B Gibbard ,J L González Solís ,S Grinstein ,S B Beri ,M Wayne ,T Joffe–Minor ,V Sirotenko ,O V Eroshin ,D Ćutts ,H Weerts ,G R Snow ,H T Diehl ,M Abolins ,G Kalbfleisch ,B Zhang ,P Némethy ,D Casey ,S A Jerger ,J Sculli ,M Merkin ,V Gavrilov ,T Fahland ,H Da Motta ,M Strovink ,S Youssef ,H Aihara ,M Martin ,V D Elvira ,L Oesch ,M Zieliński ,C Murphy ,A Volkov ,M Chung ,H C Shankar ,K Yip ,J A Guida ,K Genser ,M Bhattacharjee ,M L Stevenson ,L Dudko ,S C Eno ,D P Stoker ,A K.a Maciel ,H Jöstlein ,A Sznajder ,V Babintsev ,H Haggerty ,M Kelly ,S V Chekulaev ,S Mani ,G Wang ,J G.r Lima ,B May ,A Para ,P I Goncharov ,R Astur ,J F Bartlett ,A A Mayorov ,B Pawlik ,F Stichelbaut ,P Yamin ,D R Claes ,M M Baarmand ,S Hagopian ,B G Pope ,R Partridge ,D Koltick ,J B Singh ,J Kotcher ,R L Mccarthy ,J M Kohli ,T Yasuda ,G Eppley ,S Kuleshov ,J S Hoftun ,R Piegaia ,T G Trippe ,A Baden ,D Karmanov ,E W Anderson ,L Magaña-Mendoza ,A Leflat ,R Jesik ,T L Thomas ,N Oshima ,H Piekarz ,P C Bhat ,E W Varnes ,L Sawyer ,D Owen ,D Cullen-Vidal ,L Coney ,D J Karmgard ,R Madden ,P Yepes ,J Thompson ,A N Galyaev ,Shihyun Ahn ,Y Ducros ,V N Evdokimov ,H A Gordon ,K Del Signore ,Hui Tong ,B Klima ,G Steinbrück ,M A.c Cummings ,M Johnson ,A Santoro ,A V Kozelov ,D Lincoln ,R Engelmann ,A Brandt ,R Hernández-Montoya ,G E Forden ,K Streets ,J Ellison ,V A Bezzubov ,R W Stephens ,C Cretsinger ,D Vititoe ,D Ziemińska ,M Demarteau ,H Greenlee ,M Narain ,N K Mondal ,R Yamada ,C Miao ,N Varelas ,N N Biswas ,T Adams ,D Fein ,R Hirosky ,H E Montgomery ,W Carvalho ,K M Mauritz ,E G Zverev ,S Kunori ,F Lobkowicz ,J Perkins ,B Hoeneisen ,S Dugad ,A Ziemiński ,K Davis ,P Rubinov ,D Norman ,C Yoshikawa ,H D Wahl ,J T White ,B Lauer ,N Mokhov ,N Amos ,T J Mcmahon ,R Raja ,M Diesburg ,H Schellman ,J Krane ,J Hobbs ,E Won ,L Babukhadia ,Y Yu ,N Sotnikova ,P Tamburello ,B Baldin ,L Lueking ,P Baringer ,A R Clark ,V Bhatnagar ,T Heuring ,K Gounder ,T Mckibben ,Y Zhou ,E Flattum ,Z Casilum ,H A Neal ,H L Melanson ,C S Mishra ,A Zylberstejn

doi:10.1016/s0370-2693(98)01238-6

Probing hard color-singlet exchange in [formula omitted] collisions at [formula omitted] = 630 GeV and 1800 GeV

B Abbott , Ting Hu + Show 366 more

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https://doi.org/10.1016/s0370-2693(98)01238-6

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#Highest Transverse Energy Jets #Hard Color-singlet Exchange + Show 8 more

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Abstract

We present results on dijet production via hard color-singlet exchange in proton-antiproton collisions at s =630 GeV and 1800 GeV using the DØ detector. The fraction of dijet events produced via color-singlet exchange is measured as a function of jet transverse energy, separation in pseudorapidity between the two highest transverse energy jets, and proton-antiproton center-of-mass energy. The results are consistent with a color-singlet fraction that increases with an increasing fraction of quark-initiated processes and inconsistent with two-gluon models for the hard color-singlet.

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