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, Shoji Torii, A. Tricomi, W. C. Turner, M. Ueno, K. 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, Shoji; Tricomi, A.; Turner, W. C.; Ueno, M.; Yoshida, K.; 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, Shoji ; Tricomi, A. ; Turner, W. C. ; Ueno, M. ; Yoshida, K. ; 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 - Bongi, M.

    AU - Adriani, O.

    AU - Berti, E.

    AU - Bonechi, L.

    AU - Castellini, G.

    AU - D'Alessandro, R.

    AU - Del Prete, M.

    AU - Haguenauer, M.

    AU - Itow, Y.

    AU - Iwata, T.

    AU - Kasahara, K.

    AU - Kawade, K.

    AU - Makino, Y.

    AU - Masuda, K.

    AU - Matsubara, Y.

    AU - Matsubayashi, E.

    AU - Menjo, H.

    AU - Mitsuka, G.

    AU - Muraki, Y.

    AU - Okuno, Y.

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    AU - Perrot, A. L.

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    AU - Suzuki, T.

    AU - Tamura, T.

    AU - Tiberio, A.

    AU - Torii, Shoji

    AU - Tricomi, A.

    AU - Turner, W. C.

    AU - Ueno, M.

    AU - Yoshida, K.

    AU - Zhou, Q. D.

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