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, S. Torii, W. C. Turner, J. Velasco, Kenji 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
Externally publishedYes

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, S.; Turner, W. C.; Velasco, J.; Yoshida, Kenji.

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, S. ; Turner, W. C. ; Velasco, J. ; Yoshida, Kenji. / 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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