Focusing aerogel RICH optimization

A.Yu. Barnyakov,M.Yu. Barnyakov,V.S. Bobrovnikov,A.R. Buzykaev,A.F. Danilyuk,V.V. Gulevich,V.L. Kirillov,S.A. Kononov,E.A. Kravchenko,A.P. Onuchin,V.V. Porosev

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2008）

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摘要

The method of improvement of Cherenkov angle resolution in RICH detectors using ‘focusing’ aerogel radiators (FARICH) is under investigation. The ‘focusing’ three-layer aerogel radiator was investigated using a digital radiographic device. The Monte Carlo calculations of velocity resolution based on measured variations of the refractive index in aerogel tile are presented. With the observed variations, π- and K-mesons can be separated up to 8.4GeV/c, π- and μ-mesons can be separated up to 1.6GeV/c.

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关键词

Aerogel,RICH,Particle identification

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