The Time of Flight system of the AMS-02 space experiment

被引：0

作者：

Brocco, L ^{[1
]}

Casadei, D ^{[1
]}

Cindolo, F ^{[1
]}

Contin, A ^{[1
]}

Laurenti, G ^{[1
]}

Levi, G ^{[1
]}

Montanari, A ^{[1
]}

Palmonari, F ^{[1
]}

Patuelli, L ^{[1
]}

Sbarra, C ^{[1
]}

Zichichi, A ^{[1
]}

Castellini, G ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Bologna, I-40127 Bologna, Italy

来源：

ADVANCED TECHNOLOGY AND PARTICLE PHYSICS, PROCEEDINGS | 2002年 / 1卷

关键词：

D O I：

10.1142/9789812776464_0007

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Time-of-Flight (TOF) system of the AMS detector gives the fast trigger to the read out electronics and measures velocity, direction and charge of the crossing particles. The new version of the detector (called AMS-02) will be installed on the International Space Station on March 2004. The fringing field of the AMS-02 superconducting magnet is 1.0 divided by 2.5 kG where the photomultiplers (PM) are installed. In order to be able to operate with this residual field, a new type of PM was chosen and the mechanical design was constrained by requiring to minimize the angle between the magnetic field vector and the PM axis. Due to strong field and to the curved light guides, the time resolution will be 150 divided by 180 ps, while the new electronics will allow for a better charge measurement.

引用

页码：52 / 56

页数：5

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