Measurement of forward direct photon production in p-A at the LHC with ALICE - A probe for nuclear PDFs and saturation

Thomas Peitzmann

doi:10.22323/1.265.0273

Measurement of forward direct photon production in p-A at the LHC with ALICE - A probe for nuclear PDFs and saturation

Thomas Peitzmann^*

^*Corresponding author for this work

Subatomic Physics

Utrecht University

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

Abstract

Probes for the small-x parton densities and predicted effects of gluon saturation are discussed. At very low x and intermediate Q, only results on hadronic observables at the LHC are available, which do not provide unambiguous information. It is shown that the measurement of direct photons at forward rapidity at the LHC is particularly promising to provide a unique signal. We further discuss the possibilities to perform such measurements with a detector upgrade in the ALICE experiment and present the R&D activities ongoing.

Original language	English
Article number	273
Journal	PoS, proceedings of science
Volume	265
DOIs	https://doi.org/10.22323/1.265.0273
Publication status	Published - 2016

Bibliographical note

XXIV International Workshop on Deep-Inelastic Scattering and Related Subjects
11-15 April, 2016
DESY Hamburg, Germany

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10.22323/1.265.0273

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abstract = "Probes for the small-x parton densities and predicted effects of gluon saturation are discussed. At very low x and intermediate Q, only results on hadronic observables at the LHC are available, which do not provide unambiguous information. It is shown that the measurement of direct photons at forward rapidity at the LHC is particularly promising to provide a unique signal. We further discuss the possibilities to perform such measurements with a detector upgrade in the ALICE experiment and present the R\&D activities ongoing.",

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AB - Probes for the small-x parton densities and predicted effects of gluon saturation are discussed. At very low x and intermediate Q, only results on hadronic observables at the LHC are available, which do not provide unambiguous information. It is shown that the measurement of direct photons at forward rapidity at the LHC is particularly promising to provide a unique signal. We further discuss the possibilities to perform such measurements with a detector upgrade in the ALICE experiment and present the R&D activities ongoing.

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Measurement of forward direct photon production in p-A at the LHC with ALICE - A probe for nuclear PDFs and saturation

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