Design of prototype Front-End Electronics for the Gamma-Gamma collider,Journal of Instrumentation

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Design of prototype Front-End Electronics for the Gamma-Gamma collider
Journal of Instrumentation ( IF 1.3 ) Pub Date : 2020-07-30 , DOI: 10.1088/1748-0221/15/07/c07043
D. Zhu _{1,

2} , Z. Shen _{1,

2} , Y. Shui _{1,

2} , C. Feng _{1,

2} , S. Liu _{1,

2}

Affiliation

The Gamma-Gamma collider is a scientific facility proposed in China to observe two unique interactions at the center-of-mass energy of 1–2 MeV, namely γγ scattering and electron-positron pairs. In the experiment, two γ beams generated by the Compton back-scattering of high-energy electron beams (~200 MeV) and high-intensity laser beams will collide at the interaction point, and the products will be collected by CsI(Na) crystals and plastic scintillators, and then converted into electric signals by silicon photomultiplier (SiPM) detectors. In this paper, a prototype Front-End Electronics (FEE) is implemented to verify the design requirements concerning the noise level (no more than 3 mV), high sampling rate (1 GS/s) and low power consumption. The prototype FEE comprised 8 differential drivers, 2 low-power switch capacitor array (SCA) DRS4 chips, and an 8-channel Analog-to-Digital Converter (ADC). The input signals were first stored in DRS4 chips for t...

更新日期：2020-07-31

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