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	A prototype soi pixel sensor for cepc vertex
	Wu, Zhigang1,2; Lu, Yunpeng1; Zhou, Yang1; Dong, Jing1; Song, Longlong1,2; Ouyang, Qun1,2
刊名	Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment
	2019-04-21
卷号	924页码:409-416
关键词	Soi pixel sensor Cepc Vertex detector
ISSN号	0168-9002
DOI	10.1016/j.nima.2018.06.059
通讯作者	Lu, yunpeng(yplu@ihep.ac.cn)
英文摘要	A small prototype soi pixel sensor with in-pixel discriminator and binary readout has been developed as a part of r&d for the circular electron positron collider (cepc). the sensor featuring 16 mu m pitch was designed to achieve a single point resolution better than 3 mu m. the design was submitted to a multi project wafer and wafers were thinned to 75 mu m before dicing for delivery. a fully-depleted substrate resulting in a large charge signal is important for the sensor performance, because such small pixel size can only accommodate simple amplifier and discriminator logic. fe-55 source tests have proven that the thinned chips are functional and their substrates are fully depleted at about -35 v bias voltage. even though a large threshold dispersion of 114 e(-) was observed, the temporal noise is as small as 6 e(-). furthermore, a single point resolution of 2.3 mu m has been demonstrated in the lab test with an infrared laser beam. lessons learned from this prototype are important feedback to improve the next design.
资助项目	National Nature Science Foundation of China[11575220] ; CAS Center for Excellence in Particle Physics (CCEPP)
WOS研究方向	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
WOS类目	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Nuclear ; Physics, Particles & Fields
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000461827900080
资助机构	National Nature Science Foundation of China ; CAS Center for Excellence in Particle Physics (CCEPP)
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2160994
专题	高能物理研究所
通讯作者	Lu, Yunpeng
作者单位	1.Chinese Acad Sci, Inst High Energy Phys, State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wu, Zhigang,Lu, Yunpeng,Zhou, Yang,et al. A prototype soi pixel sensor for cepc vertex[J]. Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment,2019,924:409-416.
APA	Wu, Zhigang,Lu, Yunpeng,Zhou, Yang,Dong, Jing,Song, Longlong,&Ouyang, Qun.(2019).A prototype soi pixel sensor for cepc vertex.Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment,924,409-416.
MLA	Wu, Zhigang,et al."A prototype soi pixel sensor for cepc vertex".Nuclear instruments & methods in physics research section a-accelerators spectrometers detectors and associated equipment 924(2019):409-416.

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