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D t t U d R&D f th CMSDetector Upgrade R&D of the CMSDetector Upgrade R&D of the CMSpg H d i C l i tHadronic CalorimeterHadronic Calorimeter
 

Summary: D t t U d R&D f th CMSDetector Upgrade R&D of the CMSDetector Upgrade R&D of the CMSpg
H d i C l i tHadronic CalorimeterHadronic Calorimeter
Ugur Akgun - The University of IowaUgur Akgun The University of Iowa
f h CMS C ll b ifor the CMS Collaborationfor the CMS Collaboration
IntroductionIntroduction
The Compact Muon Solenoid (CMS) is one of the two general-purpose detectors at the LHC,
HE Scintillators in SLHCp ( ) g p p ,
capable of studying many aspects of proton collisions at 14 TeV center-of-mass energy The
HE Scintillators in SLHCcapable of studying many aspects of proton collisions at 14 TeV center-of-mass energy. The
H d i E d (HE) d F d (HF) l i t 1 4 < | |< 3 d idit Th L H d C llid (LHC) ill t t t ki d t ith l i it f 1033 2 1 d h thHadronic Endcap (HE) and Forward (HF) calorimeters cover 1.4 < | |< 3 pseudorapidity range The Large Hadron Collider (LHC) will start taking data with a luminosity of 1033 cm-2s-1 , and reach the
on both sides of the CMS detector, contributing to superior jet and missing transverse energy designed value of 1034 cm-2s-1 in 2013. The LHC luminosity will increase each year, reaching to 1035 cm-2s-1, g p j g gy
resolutions Here we present the upgrade R&D studies for both of these calorimeters to
g y y , g
in 2023 This high luminosity era is called the Super-LHC (SLHC) As the integrated luminosity of theresolutions. Here, we present the upgrade R&D studies for both of these calorimeters, to
i th i ffi i i f LHC d SLHC
in 2023. This high luminosity era is called the Super-LHC (SLHC). As the integrated luminosity of the
LHC i th i till t til d i th CMS HE l i t ill l th i ffi i d t hi himprove their efficiencies for LHC and SLHC eras. LHC increases, the scintillator tiles used in the CMS HE calorimeter will lose their efficiency due to high
radiation. We propose to substitute the scintillator tiles in the original design with quartz plates based on;p p g g q p ;
i) Light enhancement tools and ii) Wavelength shifting fibersi) Light enhancement tools, and ii) Wavelength shifting fibers.
M HF PMT Wi dMuons on HF PMT Windows

  

Source: Akgun, Ugur - Department of Physics and Astronomy, University of Iowa

 

Collections: Physics