Monte Carlo study of forward π0 production spectra to be measured by the LHCf experiment for the purpose of benchmarking hadron interaction models at 1017 eV

H. Menjo, O. Adriani, L. Bonechi, M. Bongi, G. Castellini, R. D'Alessandro, A. Faus, K. Fukui, M. Haguenauer, Y. Itow, K. Kasahara, K. Kawade, D. MacIna, T. Mase, K. Masuda, Y. Matsubara, G. Mitsuka, M. Mizuishi, Y. Muraki, M. NakaiP. Papini, A. L. Perrot, S. Ricciarini, T. Sako, Y. Shimizu, K. Taki, T. Tamura, Shoji Torii, A. Tricomi, W. C. Turner, J. Velasco, A. Viciani, K. Yoshida

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    The LHCf experiment aims to improve knowledge of forward neutral particle production spectra at the LHC energy which is relevant for the interpretation of air shower development of high energy cosmic rays. Two detectors, each composed of a pair of sampling and imaging calorimeters, have been installed at the forward region of IP1 to measure π0 energy spectra above 600 GeV. In this paper, we present a Monte Carlo study of the π0 measurements to be performed with one of the LHCf detectors for proton-proton collisions at s=14 TeV. In approximately 40 min of operation at luminosity 0.8×1029cm-2s-1 during the beam commissioning phase of LHC, about 1.5 × 104 π0 events are expected to be obtained at two transverse positions of the detector. The backgrounds from interactions of secondary particles with beam pipes and interactions of beam particles with residual gas in the beam pipes are expected to be less than 0.1% of the signal from π0s. We also discuss the capability of LHCf measurements to discriminate between the various hadron interaction models that are used for simulation of high energy air showers, such as DPMJET3.03, QGSJETII-03, SIBYLL2.1 and EPOS1.99.

    Original languageEnglish
    Pages (from-to)513-520
    Number of pages8
    JournalAstroparticle Physics
    Volume34
    Issue number7
    DOIs
    Publication statusPublished - 2011 Feb

    Fingerprint

    cosmic ray showers
    detectors
    protons
    residual gas
    neutral particles
    particle production
    particle beams
    interactions
    calorimeters
    energy
    cosmic rays
    energy spectra
    sampling
    luminosity
    collisions
    simulation

    Keywords

    • High energy π production spectra
    • High energy cosmic rays
    • LHC
    • LHCf

    ASJC Scopus subject areas

    • Astronomy and Astrophysics

    Cite this

    Monte Carlo study of forward π0 production spectra to be measured by the LHCf experiment for the purpose of benchmarking hadron interaction models at 1017 eV. / Menjo, H.; Adriani, O.; Bonechi, L.; Bongi, M.; Castellini, G.; D'Alessandro, R.; Faus, A.; Fukui, K.; Haguenauer, M.; Itow, Y.; Kasahara, K.; Kawade, K.; MacIna, D.; Mase, T.; Masuda, K.; Matsubara, Y.; Mitsuka, G.; Mizuishi, M.; Muraki, Y.; Nakai, M.; Papini, P.; Perrot, A. L.; Ricciarini, S.; Sako, T.; Shimizu, Y.; Taki, K.; Tamura, T.; Torii, Shoji; Tricomi, A.; Turner, W. C.; Velasco, J.; Viciani, A.; Yoshida, K.

    In: Astroparticle Physics, Vol. 34, No. 7, 02.2011, p. 513-520.

    Research output: Contribution to journalArticle

    Menjo, H, Adriani, O, Bonechi, L, Bongi, M, Castellini, G, D'Alessandro, R, Faus, A, Fukui, K, Haguenauer, M, Itow, Y, Kasahara, K, Kawade, K, MacIna, D, Mase, T, Masuda, K, Matsubara, Y, Mitsuka, G, Mizuishi, M, Muraki, Y, Nakai, M, Papini, P, Perrot, AL, Ricciarini, S, Sako, T, Shimizu, Y, Taki, K, Tamura, T, Torii, S, Tricomi, A, Turner, WC, Velasco, J, Viciani, A & Yoshida, K 2011, 'Monte Carlo study of forward π0 production spectra to be measured by the LHCf experiment for the purpose of benchmarking hadron interaction models at 1017 eV', Astroparticle Physics, vol. 34, no. 7, pp. 513-520. https://doi.org/10.1016/j.astropartphys.2010.11.002
    Menjo, H. ; Adriani, O. ; Bonechi, L. ; Bongi, M. ; Castellini, G. ; D'Alessandro, R. ; Faus, A. ; Fukui, K. ; Haguenauer, M. ; Itow, Y. ; Kasahara, K. ; Kawade, K. ; MacIna, D. ; Mase, T. ; Masuda, K. ; Matsubara, Y. ; Mitsuka, G. ; Mizuishi, M. ; Muraki, Y. ; Nakai, M. ; Papini, P. ; Perrot, A. L. ; Ricciarini, S. ; Sako, T. ; Shimizu, Y. ; Taki, K. ; Tamura, T. ; Torii, Shoji ; Tricomi, A. ; Turner, W. C. ; Velasco, J. ; Viciani, A. ; Yoshida, K. / Monte Carlo study of forward π0 production spectra to be measured by the LHCf experiment for the purpose of benchmarking hadron interaction models at 1017 eV. In: Astroparticle Physics. 2011 ; Vol. 34, No. 7. pp. 513-520.
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    abstract = "The LHCf experiment aims to improve knowledge of forward neutral particle production spectra at the LHC energy which is relevant for the interpretation of air shower development of high energy cosmic rays. Two detectors, each composed of a pair of sampling and imaging calorimeters, have been installed at the forward region of IP1 to measure π0 energy spectra above 600 GeV. In this paper, we present a Monte Carlo study of the π0 measurements to be performed with one of the LHCf detectors for proton-proton collisions at s=14 TeV. In approximately 40 min of operation at luminosity 0.8×1029cm-2s-1 during the beam commissioning phase of LHC, about 1.5 × 104 π0 events are expected to be obtained at two transverse positions of the detector. The backgrounds from interactions of secondary particles with beam pipes and interactions of beam particles with residual gas in the beam pipes are expected to be less than 0.1{\%} of the signal from π0s. We also discuss the capability of LHCf measurements to discriminate between the various hadron interaction models that are used for simulation of high energy air showers, such as DPMJET3.03, QGSJETII-03, SIBYLL2.1 and EPOS1.99.",
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    AU - Menjo, H.

    AU - Adriani, O.

    AU - Bonechi, L.

    AU - Bongi, M.

    AU - Castellini, G.

    AU - D'Alessandro, R.

    AU - Faus, A.

    AU - Fukui, K.

    AU - Haguenauer, M.

    AU - Itow, Y.

    AU - Kasahara, K.

    AU - Kawade, K.

    AU - MacIna, D.

    AU - Mase, T.

    AU - Masuda, K.

    AU - Matsubara, Y.

    AU - Mitsuka, G.

    AU - Mizuishi, M.

    AU - Muraki, Y.

    AU - Nakai, M.

    AU - Papini, P.

    AU - Perrot, A. L.

    AU - Ricciarini, S.

    AU - Sako, T.

    AU - Shimizu, Y.

    AU - Taki, K.

    AU - Tamura, T.

    AU - Torii, Shoji

    AU - Tricomi, A.

    AU - Turner, W. C.

    AU - Velasco, J.

    AU - Viciani, A.

    AU - Yoshida, K.

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