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SUMMARY:Forward hadron calorimeter (FHCAL) at MPD/NICA.
DTSTART;VALUE=DATE-TIME:20161013T121500Z
DTEND;VALUE=DATE-TIME:20161013T124500Z
DTSTAMP;VALUE=DATE-TIME:20260717T081415Z
UID:indico-contribution-641@cern.ch
DESCRIPTION:Speakers: Sergey Morozov (INR/MEPhI)\nForward hadron calorimet
 er (FHCAL) is intended for the measurements of the geometry of heavy ions 
 collisions. The main purpose of the FHCAL is to provide an experimental me
 asurement of a heavy-ion collision centrality and orientation of its react
 ion plane. Precise event-by-event estimate of these basic observables is c
 rucial for many physics phenomena studies to be performed by the MPD exper
 iment. \n\nFHCAL consists of two identical left/right arms placed at the d
 istance of about 3.2 meters from the beam collision point. This is a compe
 nsating lead-scintillator calorimeter designed to measure the energy distr
 ibution of the projectile nuclei fragments (spectators) and forward going 
 particles produced close to the beam rapidity. The main design requirement
 s of the FHCAL are (a) forward rapidity coverage and sufficient energy res
 olution to allow for precise collision centrality determination and conseq
 uently of the number of participating nucleons and (b) granularity in the 
 plane transverse to the beam direction which is needed for the reaction pl
 ane reconstruction. The proposed modular design of the FHCAL covers large 
 transverse area around the beam spot position such that most of the projec
 tile spectator fragments deposit their energy in the FHCAL.\n\nThe expecte
 d FHCAL centrality resolution is below 10% for the most parts of the event
 s\, excluding the most central ones\, where the internal fluctuation of th
 e number of spectators is significant. At the same time\, the proper trans
 verse segmentation and the energy resolution of FHCAL ensures the reconstr
 uction of the event plane orientation with the accuracy of about $30^{0}$.
 \n\nhttps://indico.particle.mephi.ru/event/4/contributions/641/
LOCATION:Milan Hotel Hall of the 2nd floor
URL:https://indico.particle.mephi.ru/event/4/contributions/641/
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