A large area timing RPC prototype for ion collisions in the HADES spectrometer

A large area timing RPC prototype for ion collisions in the HADES spectrometer
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DOI：
10.1016/j.nima.2004.07.276
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发表时间：
2004-12
期刊：
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
影响因子：
1.4
通讯作者：
H. A. Pol;R. Alves;A. Blanco;N. Carolino;J. Eschke;R. Ferreira-Marques;P. Fonte;J. A. Garzón;D. G. Diaz;Av Pereira;J. Pietraszko;J. Pinhão;A. Policarpo;J. Stroth
H. A. Pol;R. Alves;A. Blanco;N. Carolino;J. Eschke;R. Ferreira-Marques;P. Fonte;J. A. Garzón;D. G. Diaz;Av Pereira;J. Pietraszko;J. Pinhão;A. Policarpo;J. Stroth
中科院分区：
物理与天体物理3区
文献类型：
--
作者：
H. A. Pol;R. Alves;A. Blanco;N. Carolino;J. Eschke;R. Ferreira-Marques;P. Fonte;J. A. Garzón;D. G. Diaz;Av Pereira;J. Pietraszko;J. Pinhão;A. Policarpo;J. Stroth

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我们提出了一个电阻板室（RPC）的原型飞行时间测量在大面积和高占用率，最大限度地减少通道间的串扰。利用观测到的非常好的空间均匀性，提出了一种使用冗余信息对探测器进行独立校准的程序。在GSI（达姆施塔特）SIS加速器上测量了1GeV/u的C原子的初级碰撞，作为计划中的高接受度双电子谱仪（HADES）升级的第一步，使其工作在Au-Au碰撞中预期的最高多重性。
We present a resistive plate chamber (RPC) prototype for time-of-flight measurements over large areas and at high occupancies, minimizing the inter-channel cross-talk. A procedure for the stand-alone calibration of the detector using redundant information is proposed, taking advantage of the very good spatial uniformity observed. Measurements were performed at the GSI (Darmstadt) SIS accelerator for primary collisions of C at 1GeV/u, as a first step towards the projected high acceptance di-electron spectrometer (HADES) upgrade to work at the highest multiplicities expected in Au–Au collisions.