The LHCf Collaboration. CERN D.Macina, A.L. Perrot. USA LBNL Berkeley: W. Turner. FRANCE Ecole Politechnique Paris: M. Haguenauer. SPAIN IFIC Valencia: A.Fauss, J.Velasco. JAPAN: STE Laboratory of Nagoya University: K.Fukui, Y.Itow, T.Mase, K.Masuda, - PowerPoint PPT Presentation
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The LHCf Collaboration
ITALYITALYFirenze University and INFN:Firenze University and INFN: O.Adriani, L.Bonechi, M.Bongi, O.Adriani, L.Bonechi, M.Bongi, G.Castellini, R.D’Alessandro, G.Castellini, R.D’Alessandro, P.Papini, S. Ricciarini, A. VicianiP.Papini, S. Ricciarini, A. VicianiCatania University and INFN:Catania University and INFN: A.TricomiA.Tricomi
LHCf experimental method is based on 2independent detectors installed on both sides of IP1
LHCf experiment Study of 0 and n production cross sections as functions
of pT in the very forward region of LHC.
Simulation of an atmospheric shower initiated by a 1019 eV proton
0
n
Calibration at high energy (LHC: 1017eV in the LAB frame) of Montecarlo codes used for the reconstruction of atmospheric showers produced by very high energy primary cosmic rays
The LHCf The LHCf detectorsdetectors
scintillating fibers
tungsten layers
scintillators
-strip silicon layers
scintillators
tungsten layers
ARM #ARM #11
ARM #2ARM #2
~30cm
~30cm
4040 mm2
2020 mm2
3232 mm2
2525 mm2
~9cm
~9cm
Arm #1E/E<3%@200GeV<200 m spatial resolution
m/m = 5%
Excellent tool to calibrate the energy measurement!