Determination of diffractive parton densities at the LHeC and the FCC-eh

Anna M. Staśto; Nestor Armesto; Paul R. Newman; Wojciech Słomiński

doi:10.22323/1.352.0257

Determination of diffractive parton densities at the LHeC and the FCC-eh

Anna M. Staśto, Nestor Armesto, Paul R. Newman, Wojciech Słomiński

Physics

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

The Large Hadron-electron Collider (LHeC) is a proposed upgrade of the LHC at CERN. An ERL will provide electrons to collide with the HL-LHC, HE-LHC and the FCC-hh proton and ion beams to achieve per nucleon centre-of-mass energies 1.3-3.5 (0.8-2.2) TeV and luminosities 10³4(33)cm⁻²s⁻¹. These three configurations will enlarge the kinematic plane by more than one order of magnitude towards smaller x and larger Q² than HERA, which translates into a range of available momentum fraction of the diffractive exchange with respect to the hadron down to 10⁻⁵ for a wide range of the momentum fraction of the parton with respect to the diffractive exchange. In this presentation we show the large possibilities that they offer for the measurement of the diffractive structure functions and subsequent determination of diffractive parton densities DPDFs in proton. For eA, we find that an extraction of the currently unmeasured nuclear DPDFs is possible with similar accuracy to that in ep.

Original language	English (US)
Article number	257
Journal	Proceedings of Science
Volume	352
DOIs	https://doi.org/10.22323/1.352.0257
State	Published - 2019
Event	27th International Workshop on Deep-Inelastic Scattering and Related Subjects, DIS 2019 - Torino, Italy Duration: Apr 8 2019 → Apr 12 2019

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General

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10.22323/1.352.0257

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title = "Determination of diffractive parton densities at the LHeC and the FCC-eh",

abstract = "The Large Hadron-electron Collider (LHeC) is a proposed upgrade of the LHC at CERN. An ERL will provide electrons to collide with the HL-LHC, HE-LHC and the FCC-hh proton and ion beams to achieve per nucleon centre-of-mass energies 1.3-3.5 (0.8-2.2) TeV and luminosities 1034(33)cm−2s−1. These three configurations will enlarge the kinematic plane by more than one order of magnitude towards smaller x and larger Q2 than HERA, which translates into a range of available momentum fraction of the diffractive exchange with respect to the hadron down to 10−5 for a wide range of the momentum fraction of the parton with respect to the diffractive exchange. In this presentation we show the large possibilities that they offer for the measurement of the diffractive structure functions and subsequent determination of diffractive parton densities DPDFs in proton. For eA, we find that an extraction of the currently unmeasured nuclear DPDFs is possible with similar accuracy to that in ep.",

author = "Sta{\'s}to, {Anna M.} and Nestor Armesto and Newman, {Paul R.} and Wojciech S{\l}omi{\'n}ski",

note = "Publisher Copyright: {\textcopyright} Copyright owned by the author(s) under the terms of the Creative Commons; 27th International Workshop on Deep-Inelastic Scattering and Related Subjects, DIS 2019 ; Conference date: 08-04-2019 Through 12-04-2019",

year = "2019",

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AU - Staśto, Anna M.

AU - Armesto, Nestor

AU - Newman, Paul R.

AU - Słomiński, Wojciech

N1 - Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons

PY - 2019

Y1 - 2019

N2 - The Large Hadron-electron Collider (LHeC) is a proposed upgrade of the LHC at CERN. An ERL will provide electrons to collide with the HL-LHC, HE-LHC and the FCC-hh proton and ion beams to achieve per nucleon centre-of-mass energies 1.3-3.5 (0.8-2.2) TeV and luminosities 1034(33)cm−2s−1. These three configurations will enlarge the kinematic plane by more than one order of magnitude towards smaller x and larger Q2 than HERA, which translates into a range of available momentum fraction of the diffractive exchange with respect to the hadron down to 10−5 for a wide range of the momentum fraction of the parton with respect to the diffractive exchange. In this presentation we show the large possibilities that they offer for the measurement of the diffractive structure functions and subsequent determination of diffractive parton densities DPDFs in proton. For eA, we find that an extraction of the currently unmeasured nuclear DPDFs is possible with similar accuracy to that in ep.

AB - The Large Hadron-electron Collider (LHeC) is a proposed upgrade of the LHC at CERN. An ERL will provide electrons to collide with the HL-LHC, HE-LHC and the FCC-hh proton and ion beams to achieve per nucleon centre-of-mass energies 1.3-3.5 (0.8-2.2) TeV and luminosities 1034(33)cm−2s−1. These three configurations will enlarge the kinematic plane by more than one order of magnitude towards smaller x and larger Q2 than HERA, which translates into a range of available momentum fraction of the diffractive exchange with respect to the hadron down to 10−5 for a wide range of the momentum fraction of the parton with respect to the diffractive exchange. In this presentation we show the large possibilities that they offer for the measurement of the diffractive structure functions and subsequent determination of diffractive parton densities DPDFs in proton. For eA, we find that an extraction of the currently unmeasured nuclear DPDFs is possible with similar accuracy to that in ep.

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SN - 1824-8039

VL - 352

JO - Proceedings of Science

JF - Proceedings of Science

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T2 - 27th International Workshop on Deep-Inelastic Scattering and Related Subjects, DIS 2019

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ER -

Determination of diffractive parton densities at the LHeC and the FCC-eh

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