International Conference on Nuclear Data for Science and Technology 2010
J. Korean Phys. Soc. 59, 1636-1639
Paper ID: ND-1731
DOI: 10.3938/jkps.59.1636
PACS: 29.40.Mc
First Test of the CTOF@CLAS12 Detector Counter with Proton Beams
A. Ni1, V. Kuznetsov1, S. Chebotarev1, H. Dho1, A. Kim1, W. Kim1, Y. Kim2, M. Lee2, E. Milman1 and T. Yang2
1 Department of Physics and Energy Sciences, Kyungpook National University, Daegu 702-701, Korea
2 Korea Institute of Radiological and Medical Sciences, Seoul 139-709, Korea
CTOF@CLAS12 plastic scintillator counter was tested with proton beam at Korea Institute of Radiological and Medical Sciences (KIRAMS). The counter have been designed and constructed as a plastic scintillation bar coupled with the 1.5 and the 2 inches of diameter fine mesh photomultiplier tubes (FM-PMTs). The dependence of the TOF resolution on the light output has defined. Obtained results of the 1.5”, 2” FM-PMTs’ timing and gain performances in magnetic field confirm their suitability for precise particle identification in the CLAS12 future detector.
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