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Constraints on the odderon amplitude in the color glass condensate framework

M. Roa1,2,*, M. Siddikov1,3,†, Y. Gentile2,‡, and I. Zemlyakov1,4,§

  • *Contact author: michael.roa@upla.cl
  • †Contact author: marat.siddikov@usm.cl
  • ‡Contact author: yanil.garrido@alumnos.upla.cl
  • §Contact author: izemlyakov@usm.cl
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Phys. Rev. D 114, 034015 – Published 10 August, 2026

DOI: https://doi.org/10.1103/9kg5-3t22

Abstract

In this manuscript, we analyze the elastic pp and pp¯ cross section in the color glass condensate framework, treating them as a dilute-dense system, and derive the phenomenological constraints (upper bounds) on the odderon-mediated part of the dipole scattering amplitude O(Y,r,b). For our analysis, we used the experimental data available from TOTEM-D0 and ISR Collaborations and constructed a combination of the cross sections which is directly proportional to the odderon-mediated part of the amplitude. This allows one to suppress possible uncertainties associated with charge-parity even part of the amplitude. We analyze two phenomenological parametrizations of odderons and demonstrate that, after minor adjustments to the global normalization, they can describe the experimental data reasonably well, although due to large experimental uncertainties the odderon amplitude remains loosely constrained.

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Phys. Rev. D 114, 034015– Published 10 August, 2026
  • Received 6 March 2026
  • Accepted 8 July 2026
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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