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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Azimuthal decorrelation in diffractive dijet production

  • Ding Yu Shao1,2,3,4
  • Yu Shi5,6
  • Cheng Zhang7
  • Jian Zhou5
  • Ya-jin Zhou5
7 affiliations
  1. 1Fudan University
  2. 2Key Laboratory of Nuclear Physics and Ion-beam Application (MOE)
  3. 3Peking University
  4. 4Chinese Academy of Sciences
  5. 5Shandong University
  6. 6CPHT, CNRS, École polytechnique, Institut Polytechnique de Paris
  7. 7Hangzhou Normal University
Open at sourcePDFDOICite

Abstract

A bstract : We calculate the azimuthal angular decorrelation of diffractive dijets in ultra-peripheral heavy-ion, ep , and eA collisions to probe non-perturbative diffractive transverse momentum-dependent distributions. Focusing on the dominant semi-inclusive channel with an unobserved semi-hard gluon, we perform an all-order resummation of soft gluon emissions for the transverse energy-energy correlator observable, accounting for both initial and final state radiation. We also analyze heavy-quark pair production and demonstrate the sensitivity of the decorrelation to the jet axis definition. Finally, we provide numerical predictions for relevant kinematics at LHC UPCs, HERA, and the future EIC. Our results demonstrate that the acoplanarity of diffractive dijet production could serve as a promising probe of diffractive transverse momentum-dependent distributions.

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Cite

BibTeXRIS
BibTeX
@article{shao2026azimuthal,
  title = {{Azimuthal decorrelation in diffractive dijet production}},
  author = {Ding Yu Shao and Yu Shi and Cheng Zhang and Jian Zhou and Ya-jin Zhou},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = nov,
  doi = {10.1007/jhep11(2026)005},
  url = {https://link.springer.com/article/10.1007/JHEP11(2026)005},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Azimuthal decorrelation in diffractive dijet production
AU  - Ding Yu Shao
AU  - Yu Shi
AU  - Cheng Zhang
AU  - Jian Zhou
AU  - Ya-jin Zhou
PY  - 2026
DA  - 2026/11/02
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep11(2026)005
UR  - https://link.springer.com/article/10.1007/JHEP11(2026)005
AB  - A bstract : We calculate the azimuthal angular decorrelation of diffractive dijets in ultra-peripheral heavy-ion, ep , and eA collisions to probe non-perturbative diffractive transverse momentum-dependent distributions. Focusing on the dominant semi-inclusive channel with an unobserved semi-hard gluon, we perform an all-order resummation of soft gluon emissions for the transverse energy-energy correlator observable, accounting for both initial and final state radiation. We also analyze heavy-quark pair production and demonstrate the sensitivity of the decorrelation to the jet axis definition. Finally, we provide numerical predictions for relevant kinematics at LHC UPCs, HERA, and the future EIC. Our results demonstrate that the acoplanarity of diffractive dijet production could serve as a promising probe of diffractive transverse momentum-dependent distributions.
SN  - 1029-8479
ER  -