Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC

Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC

Possibility of PbPb→PbPbγγ measurement at smaller (< 5 GeV) diphoton invariant mass will be presented. Analysis focuses only on ultraperipheral heavy-ion collisions. This estimate shows that the γγ → γγ collisions can be measured at the LHC by ALICE and LHCb experiments for diphoton invariant mas...

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Main Author: Kłusek-Gawenda Mariola
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2019/04/epjconf_meson2019_05004.pdf
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spelling doaj-af7a0684a8f5414081519aa21662a22e2021-08-02T16:49:52ZengEDP SciencesEPJ Web of Conferences2100-014X2019-01-011990500410.1051/epjconf/201919905004epjconf_meson2019_05004Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHCKłusek-Gawenda Mariola0Institute of Nuclear Physics Polish Academy of SciencesPossibility of PbPb→PbPbγγ measurement at smaller (< 5 GeV) diphoton invariant mass will be presented. Analysis focuses only on ultraperipheral heavy-ion collisions. This estimate shows that the γγ → γγ collisions can be measured at the LHC by ALICE and LHCb experiments for diphoton invariant mass > 2 GeV. Predictions for the γγ → η, γγ → η′ resonance scattering shows that these resonances can be measured with rather good statistics. A possible observation of peaks related to intermediate η, η′(958), ηc(1S), ηc(2S), χc0(1P) mesons will be presented too. Attempts of reduction of background which comes from dipion production will be considered.https://www.epj-conferences.org/articles/epjconf/pdf/2019/04/epjconf_meson2019_05004.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Kłusek-Gawenda Mariola
spellingShingle Kłusek-Gawenda Mariola
Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC
EPJ Web of Conferences
author_facet Kłusek-Gawenda Mariola
author_sort Kłusek-Gawenda Mariola
title Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC
title_short Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC
title_full Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC
title_fullStr Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC
title_full_unstemmed Importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the LHC
title_sort importance of mesons in light-by-light scattering in ultraperipheral lead-lead collisions at the lhc
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2019-01-01
description Possibility of PbPb→PbPbγγ measurement at smaller (< 5 GeV) diphoton invariant mass will be presented. Analysis focuses only on ultraperipheral heavy-ion collisions. This estimate shows that the γγ → γγ collisions can be measured at the LHC by ALICE and LHCb experiments for diphoton invariant mass > 2 GeV. Predictions for the γγ → η, γγ → η′ resonance scattering shows that these resonances can be measured with rather good statistics. A possible observation of peaks related to intermediate η, η′(958), ηc(1S), ηc(2S), χc0(1P) mesons will be presented too. Attempts of reduction of background which comes from dipion production will be considered.
url https://www.epj-conferences.org/articles/epjconf/pdf/2019/04/epjconf_meson2019_05004.pdf
work_keys_str_mv AT kłusekgawendamariola importanceofmesonsinlightbylightscatteringinultraperipheralleadleadcollisionsatthelhc
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