Testing the Radiation Hardness of Lead Tungstate Scintilating Crystals

SHAO Ming; CHEN HongFang; LI Cheng; CHEN Hui; XU ZiZong; WANG ZhaoMin

Chinese Physics C> 2000, Vol. 24> Issue(6) : 554-559

Testing the Radiation Hardness of Lead Tungstate Scintilating Crystals

Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

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Abstract：
Large Hadron Collider operation will produce high radiation background, lead tungstatecrystal is selected as scintillator of the CMS electromagnetic calorimeter To reach the pricision requirement of the energy measurement, strict requirement of the radiation hardness to PWO is needed. In this paper, we present a method for evaluating the radiation hardness and measuremen. results for several full size (23 cm length) lead tungstate crystals under Co⁶⁰ γ-ray side irradiating, investgating the light yield loss and its longitudinal uniformity.

References

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Huhtinen M.CMS Note,1998,055[2] ZHU R Y et al.Nucl.Instr.and Meth.,1996,A376:319[3] ZHU R Y et al.IEEE Trans.Nucl.Sci.,1997,Ns–44:468[4] Kobayashi M et al.Nucl.Instr.and Meth.,1998,A406:442[5] Lecoq P et al.Nucl.Instr.and Meth.,1995,A365:291[6] Borgia B et al.Nucl.Instr.and Meth.,1997,A325:69[7] WUJian et al.Nucl.Instr.and Meth.,1998,A404:311[8] CHENHF et al.Nucl.Instr.and Meth.,1998,A414:249

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SHAO Ming, CHEN HongFang, LI Cheng, CHEN Hui, XU ZiZong and WANG ZhaoMin. Testing the Radiation Hardness of Lead Tungstate Scintilating Crystals[J]. Chinese Physics C, 2000, 24(6): 554-559.

SHAO Ming, CHEN HongFang, LI Cheng, CHEN Hui, XU ZiZong and WANG ZhaoMin. Testing the Radiation Hardness of Lead Tungstate Scintilating Crystals[J]. Chinese Physics C, 2000, 24(6): 554-559. shu

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Received: 1999-04-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Testing the Radiation Hardness of Lead Tungstate Scintilating Crystals

Corresponding author: SHAO Ming,

Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

Received Date: 1999-04-22
Accepted Date: 1900-01-01
Available Online: 2000-06-05

Abstract: Large Hadron Collider operation will produce high radiation background, lead tungstatecrystal is selected as scintillator of the CMS electromagnetic calorimeter To reach the pricision requirement of the energy measurement, strict requirement of the radiation hardness to PWO is needed. In this paper, we present a method for evaluating the radiation hardness and measuremen. results for several full size (23 cm length) lead tungstate crystals under Co⁶⁰ γ-ray side irradiating, investgating the light yield loss and its longitudinal uniformity.