Jet production at next-to-leading order in p+Au collisions at the RHIC

HE Yun-Cun; ZHANG Ben-Wei; WANG En-Ke

doi:10.1088/1674-1137/36/11/007

Chinese Physics C> 2012, Vol. 36> Issue(11) : 1077-1081 DOI: 10.1088/1674-1137/36/11/007

Jet production at next-to-leading order in p+Au collisions at the RHIC

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We calculate jet productions in p+Au collisions at the RHIC at next-to-leading order with perturbative QCD. Inclusive jet transverse energy spectrum, dijet invariant mass spectrum, dijet angular distribution, and corresponding nuclear modification factors for the three observables in p+Au collisions at √s=200 GeV are given, where the initial-state cold nuclear matter (CNM) effects are included by taking advantage of four parametrization sets of nuclear parton distribution functions (nPDFs) - EPS, nCTEQ, HKN and DS. We demonstrate that inclusive jet transverse energy (E_T) spectrum, dijet invariant mass (M_JJ) spectrum with all 4 nPDFs are increased at low E_T or M_JJ, whereas at high E_T or M_JJ large deviation of results with different nPDFs is observed. It is found that the dijet angular distributions in p+Au collisions do not vary relative to those in p+p collisions for all 4 nPDFs.

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HE Yun-Cun, ZHANG Ben-Wei and WANG En-Ke. Jet production at next-to-leading order in p+Au collisions at the RHIC[J]. Chinese Physics C, 2012, 36(11): 1077-1081. doi: 10.1088/1674-1137/36/11/007

HE Yun-Cun, ZHANG Ben-Wei and WANG En-Ke. Jet production at next-to-leading order in p+Au collisions at the RHIC[J]. Chinese Physics C, 2012, 36(11): 1077-1081. doi: 10.1088/1674-1137/36/11/007 shu

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Received: 2012-02-27
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Jet production at next-to-leading order in p+Au collisions at the RHIC

Corresponding author: HE Yun-Cun,

Corresponding author: ZHANG Ben-Wei,

Corresponding author: WANG En-Ke,

Received Date: 2012-02-27

Accepted Date: 1900-01-01

Available Online: 2012-11-05

Abstract: We calculate jet productions in p+Au collisions at the RHIC at next-to-leading order with perturbative QCD. Inclusive jet transverse energy spectrum, dijet invariant mass spectrum, dijet angular distribution, and corresponding nuclear modification factors for the three observables in p+Au collisions at √s=200 GeV are given, where the initial-state cold nuclear matter (CNM) effects are included by taking advantage of four parametrization sets of nuclear parton distribution functions (nPDFs) - EPS, nCTEQ, HKN and DS. We demonstrate that inclusive jet transverse energy (E_T) spectrum, dijet invariant mass (M_JJ) spectrum with all 4 nPDFs are increased at low E_T or M_JJ, whereas at high E_T or M_JJ large deviation of results with different nPDFs is observed. It is found that the dijet angular distributions in p+Au collisions do not vary relative to those in p+p collisions for all 4 nPDFs.

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Jet production at next-to-leading order in p+Au collisions at the RHIC

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