Drell-Yan Lepton-Pair-Jet Correlation in pA Collisions

Anna Stasto; Bo Wen Xiao; David Zaslavsky

doi:10.1016/j.nuclphysa.2013.02.146

Drell-Yan Lepton-Pair-Jet Correlation in pA Collisions

Anna Stasto, Bo Wen Xiao, David Zaslavsky

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Determining the dipole model unintegrated gluon distribution (UGD) is a problem of significant interest in small-. x physics. Here we relate the dipole gluon distribution to the angular correlation function of the process pA→ℓℓπ⁰X, which provides a clean probe of the nuclear structure, and compute numerical predictions for the correlation function based on three models for the UGD: the GBW model, and BK evolution with fixed and running coupling. With all three models, the correlation exhibits an interesting double-peak structure, but the BK evolution is necessary to reproduce the near-side emission peak.

Original language	English (US)
Pages (from-to)	837c-840c
Journal	Nuclear Physics A
Volume	904-905
DOIs	https://doi.org/10.1016/j.nuclphysa.2013.02.146
State	Published - May 2 2013

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.nuclphysa.2013.02.146

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title = "Drell-Yan Lepton-Pair-Jet Correlation in pA Collisions",

abstract = "Determining the dipole model unintegrated gluon distribution (UGD) is a problem of significant interest in small-. x physics. Here we relate the dipole gluon distribution to the angular correlation function of the process pA→ℓℓπ0X, which provides a clean probe of the nuclear structure, and compute numerical predictions for the correlation function based on three models for the UGD: the GBW model, and BK evolution with fixed and running coupling. With all three models, the correlation exhibits an interesting double-peak structure, but the BK evolution is necessary to reproduce the near-side emission peak.",

author = "Anna Stasto and Xiao, {Bo Wen} and David Zaslavsky",

year = "2013",

month = may,

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doi = "10.1016/j.nuclphysa.2013.02.146",

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journal = "Nuclear Physics A",

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AU - Xiao, Bo Wen

AU - Zaslavsky, David

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N2 - Determining the dipole model unintegrated gluon distribution (UGD) is a problem of significant interest in small-. x physics. Here we relate the dipole gluon distribution to the angular correlation function of the process pA→ℓℓπ0X, which provides a clean probe of the nuclear structure, and compute numerical predictions for the correlation function based on three models for the UGD: the GBW model, and BK evolution with fixed and running coupling. With all three models, the correlation exhibits an interesting double-peak structure, but the BK evolution is necessary to reproduce the near-side emission peak.

AB - Determining the dipole model unintegrated gluon distribution (UGD) is a problem of significant interest in small-. x physics. Here we relate the dipole gluon distribution to the angular correlation function of the process pA→ℓℓπ0X, which provides a clean probe of the nuclear structure, and compute numerical predictions for the correlation function based on three models for the UGD: the GBW model, and BK evolution with fixed and running coupling. With all three models, the correlation exhibits an interesting double-peak structure, but the BK evolution is necessary to reproduce the near-side emission peak.

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SP - 837c-840c

JO - Nuclear Physics A

JF - Nuclear Physics A

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Drell-Yan Lepton-Pair-Jet Correlation in pA Collisions

Abstract

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