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PreprintarXiv licencearXiv

Particle emission from 40Ar nuclei excited in fixed-target 208Pb+40Ar UPC at the LHC

  • P. Jucha
  • M. Klusek-Gawenda
  • K. Mazurek
  • L. L. Pappalardo
  • K. Pysz
  • A. Szczurek
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Abstract

Ultraperipheral collisions of heavy ions, dominated by the electromagnetic interaction, allow to investigate the photoproduction of baryons and mesons from the excited nuclei. At LHCb, thanks to the SMOG2 system, these studies can also be conducted in fixed-target collisions, exploiting a variety of target gases ranging from 4He to Xe. In the present work, we adapted our photonuclear model and the Giesen-Boltzmann-Uehling-Uhlenbeck (GiBUU) generator to study photoproduction of protons, neutrons as well as pions and kaons from excited 40Ar nuclei in fixed-target ultraperipheral collisions with the LHC 208Pb beam. We present predictions for the total and differential photoproduction cross sections in p and pT, both in the full phase-space and within the geometrical acceptance of the LHCb detector.

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Cite

BibTeXRIS
BibTeX
@misc{jucha2026particle,
  title = {{Particle emission from $^40$Ar nuclei excited in fixed-target $^208$Pb+$^40$Ar UPC at the LHC}},
  author = {P. Jucha and M. Klusek-Gawenda and K. Mazurek and L. L. Pappalardo and K. Pysz and A. Szczurek},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.04738},
  eprint = {2610.04738},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.04738},
}
RIS
TY  - UNPB
TI  - Particle emission from ^40Ar nuclei excited in fixed-target ^208Pb+^40Ar UPC at the LHC
AU  - P. Jucha
AU  - M. Klusek-Gawenda
AU  - K. Mazurek
AU  - L. L. Pappalardo
AU  - K. Pysz
AU  - A. Szczurek
PY  - 2026
DA  - 2026/10/03
PB  - arXiv
DO  - 10.48550/arxiv.2610.04738
UR  - https://arxiv.org/abs/2610.04738
AB  - Ultraperipheral collisions of heavy ions, dominated by the electromagnetic interaction, allow to investigate the photoproduction of baryons and mesons from the excited nuclei. At LHCb, thanks to the SMOG2 system, these studies can also be conducted in fixed-target collisions, exploiting a variety of target gases ranging from ^4He to Xe. In the present work, we adapted our photonuclear model and the Giesen-Boltzmann-Uehling-Uhlenbeck (GiBUU) generator to study photoproduction of protons, neutrons as well as pions and kaons from excited ^40Ar nuclei in fixed-target ultraperipheral collisions with the LHC ^208Pb beam. We present predictions for the total and differential photoproduction cross sections in p and p_T, both in the full phase-space and within the geometrical acceptance of the LHCb detector.
ER  -