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Coherent ρ0 photoproduction in ultra-peripheral Pb-Pb collisions at √sNN = 2.76 TeV

The ALICE collaboration, Null
•
Adam, J.
•
Adamová, D.
altro
Zyzak, M.
2015
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
We report the first measurement at the LHC of coherent photoproduction of ρ0 mesons in ultra-peripheral Pb-Pb collisions. The invariant mass and transverse momentum distributions for ρ0 production are studied in the π+π− decay channel at mid-rapidity. The production cross section in the rapidity range |y| < 0.5 is found to be dσ/dy = 425 ± 10 (stat.) +42 (sys.) mb. Coherent ρ0 production is studied with and without requirement −50 of nuclear breakup, and the fractional yields for various breakup scenarios are presented. The results are compared with those from lower energies and with model predictions.
DOI
10.1007/JHEP09(2015)095
WOS
WOS:000363539300001
Archivio
http://hdl.handle.net/11368/2866012
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84942575935
http://link.springer.com/journal/13130
Diritti
open access
license:digital rights management non definito
FVG url
https://arts.units.it/bitstream/11368/2866012/2/Coherent Ï 0 photoproduction in ultra-peripheral Pb-Pb collisions at â sNN = 2.76 TeV.pdf
Soggetti
  • Hadron-Hadron Scatter...

  • Nuclear and High Ener...

Scopus© citazioni
31
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
39
Data di acquisizione
Mar 28, 2024
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