Performance of AMS-02 Time of Flight

被引：0

作者：

Bindi, V. ^{[1
]}

Casadei, D. ^{[1
]}

Castellini, G. ^{[1
]}

Cindolo, F. ^{[1
]}

Contin, A. ^{[1
]}

Costa, F. ^{[1
]}

Giovacchini, F. ^{[1
]}

Laurenti, G. ^{[1
]}

Levi, G. ^{[1
]}

Oliva, A. ^{[1
]}

Palmonari, F. ^{[1
]}

Quadrani, L. ^{[1
]}

Sbarra, C. ^{[1
]}

机构：

[1] INFN Bologna, I-40127 Bologna, Italy

来源：

PROCEEDINGS OF THE 29TH INTERNATIONAL COSMIC RAY CONFERENCE VOL 9: HE 2 | 2005年

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

AMS-02 Time of Flight (TOF) plastic scintillators prototypes were tested with ion beams at CERN SPS in 2002 and 2003. The response of the polyvinyltoluene counters to the energy lost by ions with Z < 16 was studied in order to find the best parametrization and the ion separation power of the TOF detector. The values for the parameters of the Birks-Chou formula were found to be consistent among the different counters. Good cosmic nuclei separation of the TOF system up to Z = 16 can be anticipated. The operation of TOF scintillator counters at 400 km from Earth will be characterized by a large hit rate and an estimated absorbed dose of about 0.5 krad/year. Gamma radiation tests were carried on all parts of a TOF counter prototype to study the aging effects on the detector performance. No visible radiation damage was found up to 15 krad.

引用

页码：41 / 44

页数：4

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