The Performance of LHCf Detector

Details The Performance of LHCf Detector The Performance of LHCf Detector

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1238..352k&link_type=abstract

TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS-VII. AIP Conference Proceedings, Volume 1238, pp. 352-354 (2010).

Other

Particle Detectors, Elementary Particles, Cosmic Rays, Gamma-Rays, Calorimeters, Neutrino, Muon, Pion, And Other Elementary Particle Detectors, Cosmic Ray Detectors, Neutral Particles, Cosmic Rays, Gamma-Ray, Calorimeters

Scientific paper

In cosmic ray physics, the uncertainty of the hadron interaction model causes systematic errors of air shower simulations in high-energy region. To solve the problem, the LHCf experiment measures energies and transverse momenta of neutral particles emitted in the forward region of 14 TeV p-p collision at CERN LHC. Two LHCf detectors, consisting of sampling and imaging calorimeters, are installed at zero degree collision angle at + 140 m from the interaction point 1 (IP1). The energy resolution is confirmed as to be <5% and the position resolution <0.2 mm for gamma-rays with energies from 100 GeV to 200 GeV by test beam results at the CERN SPS. Use of the Front Counter reduces the beam-gas background by a factor 50.

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