Production of bb¯ at forward rapidity in p+p collisions at s=510 GeV

U. Acharya,A. M. Adare,Christine Angela Aidala,N. N. Ajitanand,Y. Akiba,R. Akimoto,M. Alfred,Nicole Apadula,Y. Aramaki,H. Asano,E. T. Atomssa,T. C. Awes,B. Azmoun,V. Babintsev,M. Bai,N. S. Bandara,B. Bannier,K. N. Barish,S. Bathe,A. Bazilevsky,M. Beaumier,S. Beckman,Ronald John Belmont Iii,A. Berdnikov,Y. Berdnikov,L. Bichon,D Black,B. Blankenship,J. S. Bok,V. Borisov,K. Boyle,M. L. Brooks,J. Bryslawskyj,Henner Buesching,V. Bumazhnov,S. Campbell,V. Canoa Roman,C-H. Chen,C. Y. Chi,M. Chiu,I. J. Choi,J. B. Choi,Tatsuya Chujo,Z. H. Citron,Megan Elizabeth Connors,Mate Csanad,T. Csörgő,Animesh Datta,M. S. Daugherity,G. David,K. DeBlasio,K. Dehmelt,A. Denisov,A. Deshpande,E. J. Desmond,L. Ding,A. Dion,J.H. Do,A. Drees,K. A. Drees,J. M. Durham,A. Durum,A. Enokizono,H Enyo,R. Esha,S. Esumi,B. Fadem,W. Fan,N. Feege,D. E. Fields,M. Finger,D. Firak,D Fitzgerald,Sergey Fokin,J. E. Frantz,A. Franz,A. D. Frawley,C. Gal,P. Gallus,P. Garg,H. Ge,F Giordano,A. Glenn,Y. Goto,N. Grau,S. V. Greene,M. Grosse Perdekamp,Yi Gu,Taku Gunji,H. Guragain,T. Hachiya,J. S. Haggerty,K. I. Hahn,Hideki Hamagaki,S Y Han,J. Hanks,Shoichi Hasegawa,X. He,T. K. Hemmick,J. C. Hill,A. Hodges,R. S. Hollis,Kensuke Homma,B. Hong,T. Hoshino,J Huang,S Huang,Y. Ikeda,K. Imai,Y. Imazu,M. Inaba,A. Iordanova,D. Isenhower,D. Ivanishchev,B. V. Jacak,S. J. Jeon,M. Jezghani,Z. Ji,J. Jia,X. Jiang,B. M. Johnson,E. Joo,K. S. Joo,D. Jouan,D. S. Jumper,J. H. Kang,J. S. Kang,D. Kawall,A. V. Kazantsev,J. A. Key,Vardan Khachatryan,Alexei Khanzadeev,A. Khatiwada,K. Kihara,C. O. Kim,Daehyeok Kim,D. J. Kim,E.-J. Kim,H. J. Kim,Minho Kim,Y. K. Kim,Dániel Kincses,E. Kistenev,J. Klatsky,D. Kleinjan,P. Kline,T. Koblesky,Monika Kofarago,J. Koster,D. Kotov,B. Kurgyis,K. Kurita,M. Kurosawa,Y. J. Kwon,R. Lacey,J. G. Lajoie,D. Larionova,M. Larionova,A. Lebedev,K.-B. Lee,S. H. Lee,M. J. Leitch,M. Leitgab,N. A. Lewis,Xuan Li,S. H. Lim,M. X. Liu,Sandor Lokos,D. Lynch,T. Majoros,Y. I. Makdisi,Mihael Makek,A. Manion,Vladislav Manko,E. J. Mannel,M. McCumber,P. L. McGaughey,Don McGlinchey,C. McKinney,A. Meles,M. Mendoza,B. Meredith,W.J. Metzger,Yasuo Miake,A. C. Mignerey,A J Miller,A. Milov,D K Mishra,J. T. Mitchell,Iu. Mitrankov,S. Miyasaka,S. Mizuno,P. Montuenga,Taebong Moon,D. P. Morrison,S.I. Morrow,T. V. Moukhanova,B. Mulilo,T. Murakami,J. Murata,A. Mwai,S. Nagamiya,J. L. Nagle,M. I. Nagy,I. Nakagawa,H. Nakagomi,K. Nakano,Christine Nattrass,S. Nelson,Pawan Kumar Netrakanti,M. Nihashi,Takafumi Niida,R. Nouicer,Norbert Novitzky,A. S. Nyanin,E OBrien,C. A. Ogilvie,J. D. Orjuela Koop,Joseph Daniel Osborn,Anders Nils Erik Oskarsson,K. Ozawa,R. Pak,V.S. Pantuev,V. Papavassiliou,S. K. Park,S. F. Pate,L. Patel,M. Patel,J.-C. Peng,W Peng,D. V. Perepelitsa,G. D. N. Perera,D. Yu. Peressounko,C.E. PerezLara,Jennifer E. Perry,R. Petti,C. Pinkenburg,R. Pinson,R. P. Pisani,M. Potekhin,A Pun,M. L. Purschke,P.V. Radzevich,Jan Rak,N. Ramasubramanian,I. Ravinovich,K.F. Read,D. Reynolds,Viktor Riabov,Y. Riabov,D. Richford,Timothy Thomas Rinn,N. Riveli,D. Roach,S. D. Rolnick,M. Rosati,Z. Rowan,J. G. Rubin,J. Runchey,N. Saito,T. Sakaguchi,Hiroyuki Sako,Vladimir Samsonov,M. Sarsour,Susumu Sato,S. Sawada,Brennan Schaefer,B. K. Schmoll,K. Sedgwick,J. Seele,R. Seidl,A Sen,R. Seto,Priyanka Sett,A. Sexton,D Sharma,I. Shein,T. A. Shibata,K. Shigaki,M. Shimomura,P. Shukla,A. M. Sickles,C. L. Silva,David Olle Rickard Silvermyr,B K Singh,C. P. Singh,V. Singh,M. Slunečka,K. L. Smith,R. A. Soltz,W. E. Sondheim,S. P. Sorensen,I. V. Sourikova,P. W. Stankus,M. Stepanov,S. P. Stoll,Toru Sugitate,A. Sukhanov,T Sumita,J. Sun,X. Sun,Z. Sun,J. Sziklai,Atsushi Takahara,A. Taketani,K. Tanida,M J Tannenbaum,S. Tarafdar,A. Taranenko,A. Timilsina,T. Todoroki,M. Tomasek,H A Torii,M. Towell,R. S. Towell,R. S. Towell,I. Tserruya,Yoshifumi Ueda,B. Ujvari,H. W. van Hecke,M. Vargyas,J. Velkovska,M. Virius,V. Vrba,E. Vznuzdaev,X. R. Wang,D. Watanabe,Y. Watanabe,Yuki Watanabe,F. Wei,S. P. Whitaker,S. Wolin,C.P. Wong,C. L. Woody,Y. Wu,M. Wysocki,B. Xia,Q. Xu,L Xue,Serpil Yalcin,Y. L. Yamaguchi,A. Yanovich,Inseok Yoon,I. Younus,I. E. Yushmanov,W. A. Zajc,A. Zelenski,Y. Zhai,S. Zharko,L. Zou

Production of bb¯ at forward rapidity in p+p collisions at s=510 GeV

2020

The cross section of bottom quark-antiquark (bb¯) production in p+p collisions at s=510 GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider. The results are based on the yield of high mass, like-sign muon pairs measured within the PHENIX muon arm acceptance (1.21 GeV/c, and dimuon mass of 5-10 GeV/c2. The extrapolated total cross section at this energy for bb¯ production is 13.1±0.6 (stat)±1.5 (syst)±2.7 (global) μb. The total cross section is compared to a perturbative quantum chromodynamics calculation and is consistent within uncertainties. The azimuthal opening angle between muon pairs from bb¯ decays and their pT distributions are compared to distributions generated using ps pythia6, which includes next-to-leading order processes. The azimuthal correlations and pair pT distribution are not very well described by pythia calculations, but are still consistent within uncertainties. Flavor creation and flavor excitation subprocesses are favored over gluon splitting. © 2020 authors. (Less)

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