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19 April 2024 |
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Diamond pixel detector for beam profile monitoring in COMET experiment at J-PARC | | M. Cerv
; P. Sarin
; H. Pernegger
; P. Vageesvaran
; E. Griesmayer
; | | Date: |
15 Nov 2014 | | Abstract: | We present the design and initial prototype results of a pixellized proton
beam profile monitor for the COMET experiment at J-PARC. The goal of COMET is
to look for charged lepton flavor violation by direct muon to electron
conversion at a sensitivity of $0^{-19}$. An 8 GeV proton beam pulsed at 100 ns
with $10^{10}$ protons/s will be used to create muons through pion production
and decay. In the final experiment, the proton flux will be raised to $10^{14}$
protons/sec to increase the sensitivity. These requirements of harsh radiation
tolerance and fast readout make diamond a good choice for constructing a beam
profile monitor in COMET. We present first results of the characterization of
single crystal diamond (scCVD) sourced from a new company, 2a systems
Singapore. Our measurements indicate excellent charge collection efficiency and
high carrier mobility down to cryogenic temperatures. | | Source: | arXiv, 1411.4122 | | Services: | Forum | Review | PDF | Favorites | |
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