LHCf: A new experiment to study very forward particle emission at LHC

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

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    A new accelerator experiment to study very forward particle emission in the LHC collider, LHCf, is presented. Because a collision of 7 TeV protons corresponds to 1017 eV in the laboratory system, our experiment can give a firm base for simulating air showers generated from ultra high energy cosmic rays. This is indispensable information for the ongoing large experiments like TA, Auger and EUSO for the near future. The LHCf detector is composed of three tower electromagnetic calorimeters and scintillating fibers (SciFi) to measure core position of the shower. To avoid multi particle hits, each tower has a small cross section (2cm ×2cm, 3cm×3cm and 4cm×4cm). We have confirmed that we can measure shower energy with <5% resolution even using such small calorimeters. A project overview and the results of a beam test carried out in August 2004 at CERN SPS are presented.

    Original languageEnglish
    Title of host publication29th International Cosmic Ray Conference, ICRC 2005
    PublisherTata Institute of Fundamental Research
    Pages189-192
    Number of pages4
    Volume8
    Publication statusPublished - 2005
    Event29th International Cosmic Ray Conference, ICRC 2005 - Pune
    Duration: 2005 Aug 32005 Aug 10

    Other

    Other29th International Cosmic Ray Conference, ICRC 2005
    CityPune
    Period05/8/305/8/10

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

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