Performance of the prototype detector for the LHCf experiment

T. Sako, O. Adriani, L. Bonechi, M. Bongi, A. Faus, M. Haguenauer, Y. Itow, K. Kasahara, K. Masuda, Y. Matsubara, H. Matsumoto, H. Menjo, Y. Muraki, Y. Obata, T. Tamura, K. Tanaka, Shoji Torii, W. C. Turner, J. Velasco, K. Yoshida

    Research output: Contribution to journalArticle

    28 Citations (Scopus)

    Abstract

    LHCf is a compact experiment for measuring the energy and transverse momentum spectra of the neutral particles emitted in the high rapidity range at an LHC interaction point. The data obtained by LHCf will set a crucial anchor point for calibration of the interaction models used in studies of high-energy cosmic-rays. In this paper, we report results of a beam test of an LHCf prototype detector that was carried out in July-August 2004 at the CERN SPS H4 beamline. We measured electromagnetic showers generated by 50-200 GeV electron primary beams and obtained 3-5% energy resolution as a function of the primary energy. The measured resolution is in good agreement with Monte Carlo simulations. The position resolution of SciFi hodoscope for measurement of the shower axis, 0.12-0.17 mm, was slightly worse than the MC expectation but adequate for the requirements of LHCf. This study gives a firm foundation for final design and fabrication of the LHCf detectors which will be installed in LHC in 2007 and operational in the early stages of LHC commissioning.

    Original languageEnglish
    Pages (from-to)146-159
    Number of pages14
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume578
    Issue number1
    DOIs
    Publication statusPublished - 2007 Jul 21

    Fingerprint

    prototypes
    showers
    Detectors
    Cosmic rays
    detectors
    Anchors
    hodoscopes
    Momentum
    Experiments
    neutral particles
    Calibration
    Fabrication
    transverse momentum
    energy
    Electrons
    cosmic rays
    kinetic energy
    interactions
    electromagnetism
    requirements

    Keywords

    • High-energy cosmic-rays
    • LHC
    • Sampling calorimeter

    ASJC Scopus subject areas

    • Instrumentation
    • Nuclear and High Energy Physics

    Cite this

    Performance of the prototype detector for the LHCf experiment. / Sako, T.; Adriani, O.; Bonechi, L.; Bongi, M.; Faus, A.; Haguenauer, M.; Itow, Y.; Kasahara, K.; Masuda, K.; Matsubara, Y.; Matsumoto, H.; Menjo, H.; Muraki, Y.; Obata, Y.; Tamura, T.; Tanaka, K.; Torii, Shoji; Turner, W. C.; Velasco, J.; Yoshida, K.

    In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 578, No. 1, 21.07.2007, p. 146-159.

    Research output: Contribution to journalArticle

    Sako, T, Adriani, O, Bonechi, L, Bongi, M, Faus, A, Haguenauer, M, Itow, Y, Kasahara, K, Masuda, K, Matsubara, Y, Matsumoto, H, Menjo, H, Muraki, Y, Obata, Y, Tamura, T, Tanaka, K, Torii, S, Turner, WC, Velasco, J & Yoshida, K 2007, 'Performance of the prototype detector for the LHCf experiment', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 578, no. 1, pp. 146-159. https://doi.org/10.1016/j.nima.2007.05.267
    Sako, T. ; Adriani, O. ; Bonechi, L. ; Bongi, M. ; Faus, A. ; Haguenauer, M. ; Itow, Y. ; Kasahara, K. ; Masuda, K. ; Matsubara, Y. ; Matsumoto, H. ; Menjo, H. ; Muraki, Y. ; Obata, Y. ; Tamura, T. ; Tanaka, K. ; Torii, Shoji ; Turner, W. C. ; Velasco, J. ; Yoshida, K. / Performance of the prototype detector for the LHCf experiment. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2007 ; Vol. 578, No. 1. pp. 146-159.
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