Measurement of the quenching and channeling effects in a CsI crystal used for a WIMP search
- Lee J.H.
- Kim G.B.
- Seong I.S.
- Kim B.H.
- Kim J.H.
- Li J.
- Park J.W.
- Lee J.K.
- Kim K.W.
- Bhang H.
- Kim S.C.
- Choi S.
- Choi J.H.
- Joo H.W.
- Lee S.J.
- Olsen S.L.
- Myung S.S.
- Kim S.K.
- Y.D. Kim
- Kang W.G.
- So J.H.
- Kim H.J.
- Lee H.S.
- Kevin Insik, Hahn
- Leonard D.S.
- Li J.
- Li Y.J.
- Yue Q.
- Li X.R.
Publication date
October 2018
DOI Publisher
Elsevier BV Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated EquipmentAbstract
We have studied channeling effects in a cesium iodide (CsI) crystal that is similar in composition to the ones being used in a search for Weakly Interacting Massive Particles (WIMPs) dark matter candidates, and measured its energy-dependent quenching factor, the relative scintillation yield for electron and nuclear recoils. The experimental results are reproduced with a GEANT4 simulation that includes a model of the scintillation efficiency as a function of electronic stopping power. We present the measured and simulated quenching factors and the estimated effects of channeling1221Nsciescopu
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