Quartz Cherenkov counters for fast timing: QUARTIC

被引：31

作者：

Albrow, M. G. ^{[1
]}

Kim, Heejong ^{[2
]}

Los, S. ^{[1
]}

Mazzillo, M. ^{[3
]}

Ramberg, E. ^{[1
]}

Ronzhin, A. ^{[1
]}

Samoylenko, V. ^{[4
]}

Wenzel, H. ^{[1
]}

Zatserklyaniy, A. ^{[5
]}

机构：

[1] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[2] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[3] STMicroelectronics, I-95121 Catania, Italy

[4] Inst High Energy Phys, RU-142284 Protvino, Russia

[5] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA

来源：

JOURNAL OF INSTRUMENTATION | 2012年 / 7卷

关键词：

Cherenkov detectors; Timing detectors; Radiation-hard detectors; Instrumentation and methods for time-of-flight (TOF) spectroscopy; SILICON PHOTOMULTIPLIERS; MCP-PMT; DETECTORS;

D O I：

10.1088/1748-0221/7/10/P10027

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have developed particle detectors based on fused silica (quartz) Cherenkov radiators read out with microchannel plate photomultipliers (MCP-PMTs) or silicon photomultipliers (SiPMs) for high precision timing (sigma(t) similar to 10-15 ps). One application is to measure the times of small angle protons from exclusive reactions, p + p -> p + X + p, at the Large Hadron Collider, LHC. They may also be used to measure directional particle fluxes close to external or stored beams. The detectors have small areas (cm(2)), but need to be active very close (similar to 4 mm) to the intense LHC beam, and so must be radiation hard and nearly edgeless. We present results of tests of detectors with quartz bars inclined at the Cherenkov angle, and with bars in the form of an "L" (with a 90 degrees corner). We also describe a possible design for a fast timing hodoscope with few mm(2) elements.

引用

页数：24

共 23 条

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