LHCf Experiment

Physics Results

M. Bongi, O. Adriani, E. Berti, L. Bonechi, G. Castellini, R. D'Alessandro, M. Del Prete, M. Haguenauer, Y. Itow, T. Iwata, K. Kasahara, K. Kawade, Y. Makino, K. Masuda, Y. Matsubara, E. Matsubayashi, H. Menjo, G. Mitsuka, Y. Muraki, Y. Okuno & 16 others P. Papini, A. L. Perrot, S. Ricciarini, T. Sako, N. Sakurai, Y. Shimizu, Y. Sugiura, T. Suzuki, T. Tamura, A. Tiberio, S. Torii, A. Tricomi, W. C. Turner, M. Ueno, Kenji Yoshida, Q. D. Zhou

Research output: Contribution to journalArticle

Abstract

LHCf is an experiment designed to study the forward emission of neutral particles produced in proton-proton and proton-nucleus collisions at the LHC. The detectors consists of a pair of electromagnetic sampling calorimeters installed on both sides of the ATLAS interaction point IP1 at a distance of 140 m, covering the pseudorapidity range from 8.4 to infinity. The experiment has successfully measured the energy spectra of gamma rays, neutral pions and neutrons in p-p collisions at 0.9 TeV and 7 TeV, and of neutral pions in p-Pb collisions at 5.02 TeV and in p-p collisions at 2.76 TeV. The most recent data set has been acquired during a special physics run of p-p collisions at 13 TeV in June 2015 after the restart of the LHC. This set of measurements represent an useful contribution to the calibration and tuning of the hadronic interaction models used for the simulation of atmospheric showers induced by very-high energy cosmic rays, as the measured energy interval corresponds to the range 1014 - 1017 eV in the laboratory frame.

Original languageEnglish
Pages (from-to)125-129
Number of pages5
JournalNuclear and Particle Physics Proceedings
Volume279-281
DOIs
Publication statusPublished - 2016 Oct 1

Fingerprint

physics
collisions
protons
pions
neutral particles
showers
infinity
calorimeters
cosmic rays
energy spectra
coverings
sampling
tuning
interactions
gamma rays
electromagnetism
intervals
neutrons
nuclei
energy

Keywords

  • Hadronic interaction models
  • LHC
  • Ultra-high energy cosmic-ray

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Bongi, M., Adriani, O., Berti, E., Bonechi, L., Castellini, G., D'Alessandro, R., ... Zhou, Q. D. (2016). LHCf Experiment: Physics Results. Nuclear and Particle Physics Proceedings, 279-281, 125-129. https://doi.org/10.1016/j.nuclphysbps.2016.10.018

LHCf Experiment : Physics Results. / Bongi, M.; Adriani, O.; Berti, E.; Bonechi, L.; Castellini, G.; D'Alessandro, R.; Del Prete, M.; Haguenauer, M.; Itow, Y.; Iwata, T.; Kasahara, K.; Kawade, K.; Makino, Y.; Masuda, K.; Matsubara, Y.; Matsubayashi, E.; Menjo, H.; Mitsuka, G.; Muraki, Y.; Okuno, Y.; Papini, P.; Perrot, A. L.; Ricciarini, S.; Sako, T.; Sakurai, N.; Shimizu, Y.; Sugiura, Y.; Suzuki, T.; Tamura, T.; Tiberio, A.; Torii, S.; Tricomi, A.; Turner, W. C.; Ueno, M.; Yoshida, Kenji; Zhou, Q. D.

In: Nuclear and Particle Physics Proceedings, Vol. 279-281, 01.10.2016, p. 125-129.

Research output: Contribution to journalArticle

Bongi, M, Adriani, O, Berti, E, Bonechi, L, Castellini, G, D'Alessandro, R, Del Prete, M, Haguenauer, M, Itow, Y, Iwata, T, Kasahara, K, Kawade, K, Makino, Y, Masuda, K, Matsubara, Y, Matsubayashi, E, Menjo, H, Mitsuka, G, Muraki, Y, Okuno, Y, Papini, P, Perrot, AL, Ricciarini, S, Sako, T, Sakurai, N, Shimizu, Y, Sugiura, Y, Suzuki, T, Tamura, T, Tiberio, A, Torii, S, Tricomi, A, Turner, WC, Ueno, M, Yoshida, K & Zhou, QD 2016, 'LHCf Experiment: Physics Results', Nuclear and Particle Physics Proceedings, vol. 279-281, pp. 125-129. https://doi.org/10.1016/j.nuclphysbps.2016.10.018
Bongi M, Adriani O, Berti E, Bonechi L, Castellini G, D'Alessandro R et al. LHCf Experiment: Physics Results. Nuclear and Particle Physics Proceedings. 2016 Oct 1;279-281:125-129. https://doi.org/10.1016/j.nuclphysbps.2016.10.018
Bongi, M. ; Adriani, O. ; Berti, E. ; Bonechi, L. ; Castellini, G. ; D'Alessandro, R. ; Del Prete, M. ; Haguenauer, M. ; Itow, Y. ; Iwata, T. ; Kasahara, K. ; Kawade, K. ; Makino, Y. ; Masuda, K. ; Matsubara, Y. ; Matsubayashi, E. ; Menjo, H. ; Mitsuka, G. ; Muraki, Y. ; Okuno, Y. ; Papini, P. ; Perrot, A. L. ; Ricciarini, S. ; Sako, T. ; Sakurai, N. ; Shimizu, Y. ; Sugiura, Y. ; Suzuki, T. ; Tamura, T. ; Tiberio, A. ; Torii, S. ; Tricomi, A. ; Turner, W. C. ; Ueno, M. ; Yoshida, Kenji ; Zhou, Q. D. / LHCf Experiment : Physics Results. In: Nuclear and Particle Physics Proceedings. 2016 ; Vol. 279-281. pp. 125-129.
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AU - D'Alessandro, R.

AU - Del Prete, M.

AU - Haguenauer, M.

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AU - Torii, S.

AU - Tricomi, A.

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AU - Ueno, M.

AU - Yoshida, Kenji

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