Compton scattering for photon and gluon in fixed-target collisions at AFTER@LHC

Yu, Gongming; Liu, Runlong; Cai, Yanbing; Gao, Quangui; Hu, Qiang

Compton scattering for photon and gluon in fixed-target collisions at AFTER@LHC

Gongming Yu
(
- Harbin Engineering U.
)
,
Runlong Liu
(
- Harbin Engineering U.
)
,
Yanbing Cai
(
- GUFE, Guiyang
)
,
Quangui Gao
(
- Yuxi, Norm. Coll.
)
,
Qiang Hu
(
- Lanzhou, Inst. Modern Phys.
)

Jul 26, 2022

5 pages

e-Print:

2207.13089 [hep-ph]

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Abstract: (arXiv)

We calculate the Compton scattering for photon and gluon with the Klein-Nishina formula in fixed-target collisions by using the proton and lead beams at AFTER@LHC. In these collisions, we can investigate the particular case of Compton scattering at the partonic level, such as

\gamma q\rightarrow q\gamma

,

\gamma q\rightarrow qg

,

gq\rightarrow q\gamma

, and

gq\rightarrow qg

, that can help to check of the equivalent-photon approximation and understand the dynamics of hadron collisions at high energies, as well as probe the inner hadron structure.

Note:

5 pages, 2 figures

energy: high
hadron: structure
lead: beam
Compton scattering
photon
interpretation of experiments: CERN LHC Coll
gluon
numerical calculations
equivalent photon approximation

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