Extraction of the strong coupling with HERA and EIC inclusive data

Salim Cerci; Zuhal Seyma Demiroglu; Abhay Deshpande; Paul R. Newman; Barak Schmookler; Deniz Sunar Cerci; Katarzyna Wichmann

doi:10.1140/epjc/s10052-023-12176-5

Extraction of the strong coupling with HERA and EIC inclusive data

Salim Cerci^*, Zuhal Seyma Demiroglu, Abhay Deshpande, Paul R. Newman, Barak Schmookler, Deniz Sunar Cerci, Katarzyna Wichmann

^*Corresponding author for this work

Physics and Astronomy

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Abstract

Sensitivity to the strong coupling α_S(M_Z²) is investigated using existing Deep Inelastic Scattering data from HERA in combination with projected future measurements from the Electron Ion Collider (EIC) in a next-to-next-to-leading order QCD analysis. A potentially world-leading level of precision is achievable when combining simulated inclusive neutral current EIC data with inclusive charged and neutral current measurements from HERA, with or without the addition of HERA inclusive jet and dijet data. The result can be obtained with substantially less than one year of projected EIC data at the lower end of the EIC centre-of-mass energy range. Some questions remain over the magnitude of uncertainties due to missing higher orders in the theoretical framework.

Original language	English
Article number	1011
Number of pages	9
Journal	European Physical Journal C
Volume	83
Issue number	11
DOIs	https://doi.org/10.1140/epjc/s10052-023-12176-5
Publication status	Published - 7 Nov 2023

Bibliographical note

Acknowledgments:
We are grateful to many colleagues in the EIC experimental community who have worked on all aspects of the project over many years and are now developing detector concepts towards the acquisition of real data similar to those simulated here. We thank numerous theoretical physics colleagues for very valuable discussions about the theory uncertainties: Néstor Armesto, Andrea Barontini, Thomas Cridge, Stefano Forte, Lucian Harland-Lang, Anna M. Staśto and Robert S. Thorne, as well as Valerio Bertone and Francesco Giuli for their help with the APFEL program and Christopher Schwan for his help with the PineAPPL tool. This work of Z.S.D and A.D. was supported in part by the U.S. Department of Energy and the Simons Foundation.

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title = "Extraction of the strong coupling with HERA and EIC inclusive data",

abstract = "Sensitivity to the strong coupling αS(MZ2) is investigated using existing Deep Inelastic Scattering data from HERA in combination with projected future measurements from the Electron Ion Collider (EIC) in a next-to-next-to-leading order QCD analysis. A potentially world-leading level of precision is achievable when combining simulated inclusive neutral current EIC data with inclusive charged and neutral current measurements from HERA, with or without the addition of HERA inclusive jet and dijet data. The result can be obtained with substantially less than one year of projected EIC data at the lower end of the EIC centre-of-mass energy range. Some questions remain over the magnitude of uncertainties due to missing higher orders in the theoretical framework.",

author = "Salim Cerci and Demiroglu, {Zuhal Seyma} and Abhay Deshpande and Newman, {Paul R.} and Barak Schmookler and {Sunar Cerci}, Deniz and Katarzyna Wichmann",

note = "Acknowledgments: We are grateful to many colleagues in the EIC experimental community who have worked on all aspects of the project over many years and are now developing detector concepts towards the acquisition of real data similar to those simulated here. We thank numerous theoretical physics colleagues for very valuable discussions about the theory uncertainties: N{\'e}stor Armesto, Andrea Barontini, Thomas Cridge, Stefano Forte, Lucian Harland-Lang, Anna M. Sta{\'s}to and Robert S. Thorne, as well as Valerio Bertone and Francesco Giuli for their help with the APFEL program and Christopher Schwan for his help with the PineAPPL tool. This work of Z.S.D and A.D. was supported in part by the U.S. Department of Energy and the Simons Foundation.",

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T1 - Extraction of the strong coupling with HERA and EIC inclusive data

AU - Cerci, Salim

AU - Demiroglu, Zuhal Seyma

AU - Deshpande, Abhay

AU - Newman, Paul R.

AU - Schmookler, Barak

AU - Sunar Cerci, Deniz

AU - Wichmann, Katarzyna

N1 - Acknowledgments: We are grateful to many colleagues in the EIC experimental community who have worked on all aspects of the project over many years and are now developing detector concepts towards the acquisition of real data similar to those simulated here. We thank numerous theoretical physics colleagues for very valuable discussions about the theory uncertainties: Néstor Armesto, Andrea Barontini, Thomas Cridge, Stefano Forte, Lucian Harland-Lang, Anna M. Staśto and Robert S. Thorne, as well as Valerio Bertone and Francesco Giuli for their help with the APFEL program and Christopher Schwan for his help with the PineAPPL tool. This work of Z.S.D and A.D. was supported in part by the U.S. Department of Energy and the Simons Foundation.

PY - 2023/11/7

Y1 - 2023/11/7

N2 - Sensitivity to the strong coupling αS(MZ2) is investigated using existing Deep Inelastic Scattering data from HERA in combination with projected future measurements from the Electron Ion Collider (EIC) in a next-to-next-to-leading order QCD analysis. A potentially world-leading level of precision is achievable when combining simulated inclusive neutral current EIC data with inclusive charged and neutral current measurements from HERA, with or without the addition of HERA inclusive jet and dijet data. The result can be obtained with substantially less than one year of projected EIC data at the lower end of the EIC centre-of-mass energy range. Some questions remain over the magnitude of uncertainties due to missing higher orders in the theoretical framework.

AB - Sensitivity to the strong coupling αS(MZ2) is investigated using existing Deep Inelastic Scattering data from HERA in combination with projected future measurements from the Electron Ion Collider (EIC) in a next-to-next-to-leading order QCD analysis. A potentially world-leading level of precision is achievable when combining simulated inclusive neutral current EIC data with inclusive charged and neutral current measurements from HERA, with or without the addition of HERA inclusive jet and dijet data. The result can be obtained with substantially less than one year of projected EIC data at the lower end of the EIC centre-of-mass energy range. Some questions remain over the magnitude of uncertainties due to missing higher orders in the theoretical framework.

U2 - 10.1140/epjc/s10052-023-12176-5

DO - 10.1140/epjc/s10052-023-12176-5

M3 - Article

SN - 1434-6044

VL - 83

JO - European Physical Journal C

JF - European Physical Journal C

IS - 11

M1 - 1011

ER -

Extraction of the strong coupling with HERA and EIC inclusive data

Abstract

Bibliographical note

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