Small-angle Muon and Bottom-Quark Production in Pp̄ Collisions at √s = 1.8 TeV

B Abbott,M Abolins,V Abramov,BS Acharya,I Adam,DL Adams,M Adams,S Ahn, V Akimov,GA Alves,N Amos,EW Anderson,MM Baarmand,VV Babintsev,L Babukhadia,A Baden,B Baldin,S Banerjee, J Bantly,E Barberis,P Baringer,JF Bartlett,A Belyaev,SB Beri,I Bertram,VA Bezzubov,PC Bhat,V Bhatnagar,M Bhattacharjee,G Blazey,S Blessing,P Bloom,A Boehnlein,NI Bojko,F Borcherding,C Boswell,A Brandt,R Breedon,G Briskin,R Brock,A Bross,D Buchholz,VS Burtovoi,JM Butler,W Carvalho,D Casey,Z Casilum,H Castilla-Valdez,D Chakraborty,KM Chan,SV Chekulaev, W Chen,DK Cho,S Choi,S Chopra,BC Choudhary,JH Christenson,M Chung,D Claes,AR Clark,WG Cobau,J Cochran,L Coney,WE Cooper,D Coppage,C Cretsinger,D Cullen-Vidal, MAC Cummings,D Cutts,OI Dahl,K Davis,K De,K Del Signore,M Demarteau,D Denisov,SP Denisov,HT Diehl,M Diesburg,G Di Loreto,P Draper,Y Ducros,LV Dudko,SR Dugad,A Dyshkant,D Edmunds,J Ellison,VD Elvira,R Engelmann,S Eno,G Eppley,P Ermolov,OV Eroshin,J Estrada,H Evans,VN Evdokimov,T Fahland,MK Fatyga,S Feher,D Fein,T Ferbel,HE Fisk,Y Fisyak,E Flattum, GE Forden,M Fortner,KC Frame,S Fuess,E Gallas, AN Galyaev, P Gartung,V Gavrilov,TL Geld,RJ Genik,K Genser,CE Gerber,Y Gershtein,B Gibbard,G Ginther,B Gobbi,B Gomez,G Gomez,PI Goncharov,JLG Solis,H Gordon,LT Goss,K Gounder,A Goussiou,N Graf,PD Grannis,DR Green,JA Green,H Greenlee,S Grinstein,P Grudberg,S Grunendahl,G Guglielmo,JA Guida,JM Guida,A Gupta,SN Gurzhiev,G Gutierrez,P Gutierrez,NJ Hadley,H Haggerty,S Hagopian,V Hagopian,KS Hahn,RE Hall,P Hanlet, S Hansen,JM Hauptman,C Hays,C Hebert,D Hedin,AP Heinson,U Heintz,R Hernandez-Montoya,T Heuring,R Hirosky,JD Hobbs,B Hoeneisen,JS Hoftun,F Hsieh,T Hu,AS Ito,SA Jerger, R Jesik,T Joffe-Minor,K Johns,M Johnson, A Jonckheere,M Jones,H Jostlein, SY Jun,S Kahn,D Karmanov,D Karmgard,R Kehoe, SK Kim,B Klima,C Klopfenstein,B Knuteson,W Ko,JM Kohli,D Koltick,AV Kostritskiy,J Kotcher,AV Kotwal,AV Kozelov,EA Kozlovsky,J Krane,MR Krishnaswamy,S Krzywdzinski,M Kubantsev,S Kuleshov,Y Kulik,S Kunori,F Landry,G Landsberg,A Leflat,J Li,QZ Li,JGR Lima,D Lincoln,SL Linn,J Linnemann,R Lipton,JG Lu,A Lucotte,L Lueking,AKA Maciel,RJ Madaras,R Madden,L Magana-Mendoza,V Manankov,S Mani,HS Mao,R Markeloff,T Marshall,MI Martin,RD Martin,KM Mauritz,B May,AA Mayorov,R McCarthy,J McDonald, T McKibben,J McKinley,T McMahon,HL Melanson,M Merkin,KW Merritt,C Miao,H Miettinen,A Mincer,CS Mishra,N Mokhov,NK Mondal, HE Montgomery,M Mostafa,H da Motta,F Nang,M Narain,VS Narasimham, A Narayanan, HA Neal,JP Negret,P Nemethy,D Norman,L Oesch,V Oguri,N Oshima,D Owen,P Padley,A Para,N Parashar,YM Park,R Partridge,N Parua,M Paterno,B Pawlik,J Perkins,M Peters,R Piegaia,H Piekarz,Y Pischalnikov,BG Pope,HB Prosper,S Protopopescu,J Qian,PZ Quintas,R Raja,S Rajagopalan,O Ramirez,NW Reay,S Reucroft,M Rijssenbeek,T Rockwell,M Roco,P Rubinov,R Ruchti,J Rutherfoord,A Sanchez-Hernandez,A Santoro,L Sawyer,RD Schamberger,H Schellman, J Sculli,E Shabalina,C Shaffer,HC Shankar,RK Shivpuri,D Shpakov,M Shupe,RA Sidwell,H Singh,JB Singh,V Sirotenko, P Slattery,E Smith,RP Smith,R Snihur,GR Snow,J Snow,S Snyder,J Solomon,XF Song,M Sosebee,N Sotnikova,M Souza,NR Stanton,G Steinbruck,RW Stephens,ML Stevenson,F Stichelbaut,D Stoker,V Stolin,DA Stoyanova,M Strauss,K Streets,M Strovink,A Sznajder,P Tamburello, J Tarazi,M Tartaglia,TLT Thomas,J Thompson,D Toback,TG Trippe,PM Tuts,V Vaniev,N Varelas,EW Varnes,AA Volkov,AP Vorobiev,HD Wahl, J Warchol,G Watts,M Wayne,H Weerts,A White,JT White,JA Wightman,S Willis,SJ Wimpenny,JVD Wirjawan,J Womersley,DR Wood,R Yamada, P Yamin, T Yasuda,P Yepes,K Yip,C Yoshikawa,S Youssef,J Yu,Y Yu,M Zanabria,Z Zhou,ZH Zhu,M Zielinski,D Zieminska,A Zieminski,V Zutshi,EG Zverev,A Zylberstejn

Physical Review Letters（2000）

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摘要

This Letter describes a measurement of the muon cross section originating from b -quark decay in the forward rapidity range 2.4<| y{sup {mu}}|<3. 2 in pp(bar sign) collisions at {radical}(s)=1.8 TeV . The data used in this analysis were collected by the D0 experiment at the Fermilab Tevatron. We find that next-to-leading-order QCD calculations underestimate b -quark production by a factor of 4 in the forward rapidity region. (c) 2000 The American Physical Society.

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