DSpace at EWHA: Polarization and cross section of midrapidity J /ψ production in p+p collisions at s =510 GeV

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Polarization and cross section of midrapidity J /ψ production in p+p collisions at s =510 GeV

Title: Polarization and cross section of midrapidity J /ψ production in p+p collisions at s =510 GeV

Authors: Acharya U.; Adare A.; Aidala C.; Ajitanand N.N.; Akiba Y.; Akimoto R.; Alfred M.; Apadula N.; Aramaki Y.; Asano H.; Atomssa E.T.; Awes T.C.; Azmoun B.; Babintsev V.; Bai M.; Bandara N.S.; Bannier B.; Barish K.N.; Bathe S.; Bazilevsky A.; Beaumier M.; Beckman S.; Belmont R.; Berdnikov A.; Berdnikov Y.; Bichon L.; Black D.; Blankenship B.; Bok J.S.; Borisov V.; Boyle K.; Brooks M.L.; Bryslawskyj J.; Buesching H.; Bumazhnov V.; Campbell S.; Canoa Roman V.; Chen C.-H.; Chi C.Y.; Chiu M.; Choi I.J.; Choi J.B.; Chujo T.; Citron Z.; Connors M.; Csanád M.; Csörgo T.; Datta A.; Daugherity M.S.; David G.; Deblasio K.; Dehmelt K.; Denisov A.; Deshpande A.; Desmond E.J.; Ding L.; Dion A.; Do J.H.; Drees A.; Drees K.A.; Durham J.M.; Durum A.; Enokizono A.; En'yo H.; Esha R.; Esumi S.; Fadem B.; Fan W.; Feege N.; Fields D.E.; Finger M.; Jr.; Firak D.; Fitzgerald D.; Fokin S.L.; Frantz J.E.; Franz A.; Frawley A.D.; Gal C.; Gallus P.; Garg P.; Ge H.; Giordano F.; Glenn A.; Goto Y.; Grau N.; Greene S.V.; Grosse Perdekamp M.; Gu Y.; Gunji T.; Guragain H.; Hachiya T.; Haggerty J.S.; Hahn K.I.; Hamagaki H.; Han S.Y.; Hanks J.; Hasegawa S.; He X.; Hemmick T.K.; Hill J.C.; Hodges A.; Hollis R.S.; Homma K.; Hong B.; Hoshino T.; Huang J.; Huang S.; Ikeda Y.; Imai K.; Imazu Y.; Inaba M.; Iordanova A.; Isenhower D.; Ivanishchev D.; Jacak B.V.; Jeon S.J.; Jezghani M.; Ji Z.; Jia J.; Jiang X.; Johnson B.M.; Joo E.; Joo K.S.; Jouan D.; Jumper D.S.; Kang J.H.; Kang J.S.; Kawall D.; Kazantsev A.V.; Key J.A.; Khachatryan V.; Khanzadeev A.; Khatiwada A.; Kihara K.; Kim C.; Kim D.H.; Kim D.J.; Kim E.-J.; Kim H.-J.; Kim M.; Kim Y.K.; Kincses D.; Kistenev E.; Klatsky J.; Kleinjan D.; Kline P.; Koblesky T.; Kofarago M.; Koster J.; Kotov D.; Kurgyis B.; Kurita K.; Kurosawa M.; Kwon Y.; Lacey R.; Lajoie J.G.; Larionova D.; Larionova M.; Lebedev A.; Lee K.B.; Lee S.H.; Leitch M.J.; Leitgab M.; Lewis N.A.; Li X.; Lim S.H.; Liu M.X.; Lökös S.; Lynch D.; Majoros T.; Makdisi Y.I.; Makek M.; Manion A.; Manko V.I.; Mannel E.; McCumber M.; McGaughey P.L.; McGlinchey D.; McKinney C.; Meles A.; Mendoza M.; Meredith B.; Metzger W.J.; Miake Y.; Mignerey A.C.; Miller A.J.; Milov A.; Mishra D.K.; Mitchell J.T.; Mitrankov I.; Miyasaka S.; Mizuno S.; Montuenga P.; Moon T.; Morrison D.P.; Morrow S.I.; Moukhanova T.V.; Mulilo B.; Murakami T.; Murata J.; Mwai A.; Nagamiya S.; Nagle J.L.; Nagy M.I.; Nakagawa I.; Nakagomi H.; Nakano K.; Nattrass C.; Nelson S.; Netrakanti P.K.; Nihashi M.; Niida T.; Nouicer R.; Novitzky N.; Nyanin A.S.; O'Brien E.; Ogilvie C.A.; Orjuela Koop J.D.; Osborn J.D.; Oskarsson A.; Ozawa K.; Pak R.; Pantuev V.; Papavassiliou V.; Park S.; Pate S.F.; Patel L.; Patel M.; Peng J.-C.; Peng W.; Perepelitsa D.V.; Perera G.D.N.; Peressounko D.Yu.; Perezlara C.E.; Perry J.; Petti R.; Pinkenburg C.; Pinson R.; Pisani R.P.; Potekhin M.; Pun A.; Purschke M.L.; Radzevich P.V.; Rak J.; Ramasubramanian N.; Ravinovich I.; Read K.F.; Reynolds D.; Riabov V.; Riabov Y.; Richford D.; Rinn T.; Riveli N.; Roach D.; Rolnick S.D.; Rosati M.; Rowan Z.; Rubin J.G.; Runchey J.; Saito N.; Sakaguchi T.; Sako H.; Samsonov V.; Sarsour M.; Sato S.; Sawada S.; Schaefer B.; Schmoll B.K.; Sedgwick K.; Seele J.; Seidl R.; Sen A.; Seto R.; Sett P.; Sexton A.; Sharma D.; Shein I.; Shibata T.-A.; Shigaki K.; Shimomura M.; Shukla P.; Sickles A.; Silva C.L.; Silvermyr D.; Singh B.K.; Singh C.P.; Singh V.; Slunečka M.; Smith K.L.; Soltz R.A.; Sondheim W.E.; Sorensen S.P.; Sourikova I.V.; Stankus P.W.; Stepanov M.; Stoll S.P.; Sugitate T.; Sukhanov A.; Sumita T.; Sun J.; Sun X.; Sun Z.; Sziklai J.; Takahara A.; Taketani A.; Tanida K.; Tannenbaum M.J.; Tarafdar S.; Taranenko A.; Timilsina A.; Todoroki T.; Tomášek M.; Torii H.; Towell M.; Towell R.; Towell R.S.; Tserruya I.; Ueda Y.; Ujvari B.; Van Hecke H.W.; Vargyas M.; Velkovska J.; Virius M.; Vrba V.; Vznuzdaev E.; Wang X.R.; Watanabe D.; Watanabe Y.; Watanabe Y.S.; Wei F.; Whitaker S.; Wolin S.; Wong C.P.; Woody C.L.; Wu Y.; Wysocki M.; Xia B.; Xu Q.; Xue L.; Yalcin S.; Yamaguchi Y.L.; Yanovich A.; Yoon I.; Younus I.; Yushmanov I.E.; Zajc W.A.; Zelenski A.; Zhai Y.; Zharko S.; Zou L.

Ewha Authors: 한인식

SCOPUS Author ID: 한인식

Issue Date: 2020

Journal Title: Physical Review D

ISSN: 2470-0010

Citation: Physical Review D vol. 102, no. 7

Publisher: American Physical Society

Indexed: SCIE; SCOPUS

Document Type: Article

Abstract: The PHENIX experiment has measured the spin alignment for inclusive J/ψ→e+e- decays in proton-proton collisions at s=510 GeV at midrapidity. The angular distributions have been measured in three different polarization frames, and the three decay angular coefficients have been extracted in a full two-dimensional analysis. Previously, PHENIX saw large longitudinal net polarization at forward rapidity at the same collision energy. This analysis at midrapidity, complementary to the previous PHENIX results, sees no sizable polarization in the measured transverse momentum range of 0.0<pT<10.0 GeV/c. The results are consistent with a previous one-dimensional analysis at midrapidity at s=200 GeV. The transverse-momentum-dependent cross section for midrapidity J/ψ production has additionally been measured, and after comparison to world data, a simple logarithmic dependence of the cross section on s was found. © 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.