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Effects of Damage Caused by Non-ionizing Energy Loss in Si Mini-Pad Sensors for the PHENIX MPC-EX
- Authors
- Chai, J. -S.; Ghergherehchi, M.; Hahn, K. I.; Han, S. Y.; Jeong, I. W.; Joo, K. S.; Kim, E. J.; Kim, S. G.; Kim, Yong Kyun; Kistenev, E.; Kwon, Y.; Lajoie, J. G.; Li, Z.; Lee, J. H.; Lim, K. S.; Lim, S. H.; Park, J. M.; Park, K. S.; Park, S. Y.; Song, H. S.; Sue, D. G.; Sukhanov, A.
- Issue Date
- Dec-2014
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Si Mini-Pad; W/Si pre-shower; Non-ionizing energy loss; Damage to bulk
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.65, no.11, pp.1809 - 1816
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 65
- Number
- 11
- Start Page
- 1809
- End Page
- 1816
- ISSN
- 0374-4884
- Abstract
- The PHENIX MPC-EX is an W/Si pre-shower detector operating at small angles with respect to the beam in the Relativistic Heavy Ion Collider (RHIC). The Si Mini-Pad sensors are the active element of the detector. The expected hadron flux to the Si Mini-Pad sensors will generate significant non-ionizing energy loss in the sensors, which may damage the crystalline structure of the sensor's bulk material. We investigated the nature of the hadron flux to the Si Mini-Pad sensors through a full simulation and determined its effect on the sensor's characteristics based on a beam test. The investigation showed key issues in designing a preshower detector using silicon sensors and operating under a large neutron fluence and offered valuable information on the operation of the MPC-EX detector.
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Related Researcher
- Kim, Yong Kyun
- COLLEGE OF ENGINEERING (DEPARTMENT OF NUCLEAR ENGINEERING)