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Skewness and kurtosis of net baryon-number distributions at small values of the baryon chemical potential
http://hdl.handle.net/2241/00149344
http://hdl.handle.net/2241/00149344cc5cb79e-bded-49f0-8145-faf688521dea
名前 / ファイル | ライセンス | アクション |
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PRD_96-7-074510 (900.7 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2017-12-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Skewness and kurtosis of net baryon-number distributions at small values of the baryon chemical potential | |||||
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 |
Bazavov, A.
× Bazavov, A.× Ding, H.-T.× Hegde, P.× Kaczmarek, O.× Karsch, F.× Laermann, E.× Mukherjee, Swagato× Ohno, H.× Petreczky, P.× Rinaldi, E.× Sandmeyer, H.× Schmidt, C.× Schroeder, Chris× Sharma, S.× Soeldner, W.× Soltz, R.?A.× Steinbrecher, P.× Vranas, P.?M. |
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著者別名 |
大野, 浩史
× 大野, 浩史 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present results for the ratios of mean (MB), variance (σ2B), skewness (SB) and kurtosis (κB) of net baryon-number fluctuations obtained in lattice QCD calculations with physical values of light and strange quark masses. Using next-to-leading order Taylor expansions in baryon chemical potential we find that qualitative features of these ratios closely resemble the corresponding experimentally measured cumulant ratios of net proton-number fluctuations for beam energies down to √sNN?19.6??GeV. We show that the difference in cumulant ratios for the mean net baryon-number, MB/σ2B=χB1(T,μB)/χB2(T,μB), and the normalized skewness, SBσB=χB3(T,μB)/χB2(T,μB), naturally arises in QCD thermodynamics. Moreover, we establish a close relation between skewness and kurtosis ratios, SBσ3B/MB=χB3(T,μB)/χB1(T,μB) and κBσ2B=χB4(T,μB)/χB2(T,μB), valid at small values of the baryon chemical potential. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 96, 号 7, p. 074510, 発行日 2017-10 |
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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.96.074510 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | c 2017 American Physical Society | |||||
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 |