The LHCf experiment is designed to provide precise measurements of the production spectra relative to neutral particles produced in the very forward region by high energy proton-proton and proton-ion collisions. This information is necessary in order to test and tune hadronic interaction models used by ground-based cosmic rays experiments. In order to reach this goal, LHCf makes use of two small sampling calorimeters installed in the LHC tunnel at ±140 m from IP1, both able to detect neutral particles having pseudo-rapidity η > 8.4. In LHC Run II, LHCf acquired data relative to p-p collisions at √s = 13 TeV and p-Pb collisions at √sNN = 8.1 TeV. In this paper, we discuss the results obtained from p-p collisions at √s = 13 TeV, focusing in particular on photon and neutron production, the two analyses already published by the collaboration.
Latest results of the LHCf experiment / Berti E.; Adriani O.; Bonechi L.; Bongi M.; D'Alessandro R.; Castellini G.; Haguenauer M.; Itow Y.; Kasahara K.; Matsubara Y.; Menjo H.; Muraki Y.; Ohashi K.; Papini P.; Ricciarini S.; Sako T.; Sakurai N.; Sato K.; Shimizu Y.; Silveri L.; Tamura T.; Tiberio A.; Torii S.; Tricomi A.; Turner W.C.; Ueno M.; Yoshida K.. - In: POS PROCEEDINGS OF SCIENCE. - ISSN 1824-8039. - ELETTRONICO. - 364:(2019), pp. 034.0-034.0.
Latest results of the LHCf experiment
Adriani O.;Bongi M.;D'Alessandro R.;Ricciarini S.;Silveri L.;Tiberio A.;
2019
Abstract
The LHCf experiment is designed to provide precise measurements of the production spectra relative to neutral particles produced in the very forward region by high energy proton-proton and proton-ion collisions. This information is necessary in order to test and tune hadronic interaction models used by ground-based cosmic rays experiments. In order to reach this goal, LHCf makes use of two small sampling calorimeters installed in the LHC tunnel at ±140 m from IP1, both able to detect neutral particles having pseudo-rapidity η > 8.4. In LHC Run II, LHCf acquired data relative to p-p collisions at √s = 13 TeV and p-Pb collisions at √sNN = 8.1 TeV. In this paper, we discuss the results obtained from p-p collisions at √s = 13 TeV, focusing in particular on photon and neutron production, the two analyses already published by the collaboration.
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