Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at $\sqrt{s_{NN}}=$ 2.76 TeV with the ATLAS detector

Youhei Yamaguchi

doi:10.1103/PhysRevLett.111.152301

論文・著書情報

タイトル

和文:	Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at $\sqrt{s_{NN}}=$ 2.76 TeV with the ATLAS detector
英文:	Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at $\sqrt{s_{NN}}=$ 2.76 TeV with the ATLAS detector

著者

和文:	山口洋平.
英文:	Youhei Yamaguchi.

言語

English

掲載誌/書名

和文:
英文:

巻, 号, ページ

Vol. "111" No. "15" pp. "152301"

出版年月

2013年6月

出版者

和文:
英文:

会議名称

和文:
英文:

開催地

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英文:

公式リンク

http://inspirehep.net/record/1240088

DOI

https://doi.org/10.1103/PhysRevLett.111.152301

アブストラクト

Measurements of the variation of inclusive jet suppression as a function of relative azimuthal angle, Δϕ, with respect to the elliptic event plane provide insight into the path-length dependence of jet quenching. ATLAS has measured the Δϕ dependence of jet yields in 0.14 nb-1 of sNN=2.76 TeV Pb+Pb collisions at the LHC for jet transverse momenta pT>45 GeV in different collision centrality bins using an underlying event subtraction procedure that accounts for elliptic flow. The variation of the jet yield with Δϕ was characterized by the parameter, v2jet, and the ratio of out-of-plane (Δϕ∼π/2) to in-plane (Δϕ∼0) yields. Nonzero v2jet values were measured in all centrality bins for pT<160 GeV. The jet yields are observed to vary by as much as 20% between in-plane and out-of-plane

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