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J/ψ and ψ(2S) production at forward rapidity in p+p collisions at √s=510??GeV
http://hdl.handle.net/2241/00161256
http://hdl.handle.net/2241/001612564ecd4861-e84b-46d0-bece-b415b1f359e2
名前 / ファイル | ライセンス | アクション |
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PRD_101-5-052006 (875.0 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2020-09-10 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | J/ψ and ψ(2S) production at forward rapidity in p+p collisions at √s=510??GeV | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
中條, 達也
× 中條, 達也× 江角, 晋一× 三明, 康郎× 新井田, 貴文× 小沢, 恭一郎× 轟木, 貴人× PHENI Collaboration |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section, mean transverse momentum, mean transverse momentum squared of inclusive J/ψ, and cross section ratio of ψ(2S) to J/ψ at forward rapidity in p+p collisions at √s=510??GeV via the dimuon decay channel. Comparison is made to inclusive J/ψ cross sections measured at √s=200??GeV and 2.76?13 TeV. The result is also compared to leading-order nonrelativistic QCD calculations coupled to a color-glass-condensate description of the low-x gluons in the proton at low transverse momentum (pT) and to next-to-leading order nonrelativistic QCD calculations for the rest of the pT range. These calculations overestimate the data at low pT. While consistent with the data within uncertainties above ?3??GeV/c, the calculations are systematically below the data. The total cross section times the branching ratio is BR dσJ/ψpp/dy(1.2<|y|<2.2,0<pT<10??GeV/c)=54.3±0.5(stat)±5.5(syst)??nb. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 101, 号 5, p. 052006, 発行日 2020-03 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773624 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.101.052006 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | Published by the American Physical Society under the terms of the 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. | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Physical Society |