A High-resolution TOF Detector _ A Possible Way to Compete with a RICH Detector

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Using two identical 64-pixel Burle/Photonis MCP-PMTs to provide start and stop signals, they have achieved a timing resolution of {sigma}{sub Single{_}detector} {approx} 7.2 ps for N{sub pe} {approx} 50 photoelectrons (N{sub pe}) with a laser diode providing a 1 mm spot on the MCP window. The limiting resolution achieved was {sigma}{sub Single{_}detector} {approx} 5.0 ps for N{sub pe} {approx} 180, for which they estimate the MCP-PMT contribution of {sigma}{sub MCP-PMT} {approx} 4.5 ps. The electronics contribution is estimated as {sigma}{sub Electrons} = 3.42 ps. These results suggest that an ultra-high resolution TOF detector may become a reality at future experiments ... continued below

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6 pages

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Va'vra, J; /SLAC; Ertley, C.; /Argonne; Leith, D.W.G.S.; Ratcliff, B. et al. July 25, 2008.

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Using two identical 64-pixel Burle/Photonis MCP-PMTs to provide start and stop signals, they have achieved a timing resolution of {sigma}{sub Single{_}detector} {approx} 7.2 ps for N{sub pe} {approx} 50 photoelectrons (N{sub pe}) with a laser diode providing a 1 mm spot on the MCP window. The limiting resolution achieved was {sigma}{sub Single{_}detector} {approx} 5.0 ps for N{sub pe} {approx} 180, for which they estimate the MCP-PMT contribution of {sigma}{sub MCP-PMT} {approx} 4.5 ps. The electronics contribution is estimated as {sigma}{sub Electrons} = 3.42 ps. These results suggest that an ultra-high resolution TOF detector may become a reality at future experiments one day.

Physical Description

6 pages

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  • Journal Name: Submitted to Nuclear Instrumentation and Methods (NIM) A; Conference: Presented at 6th International Workshop on Ring Imaging Cherenkov Counters (RICH 2007), Trieste, Italy, 15-20 Oct 2007

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  • Report No.: SLAC-PUB-13073
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 927541
  • Archival Resource Key: ark:/67531/metadc893111

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  • July 25, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 29, 2016, 12:41 p.m.

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Va'vra, J; /SLAC; Ertley, C.; /Argonne; Leith, D.W.G.S.; Ratcliff, B. et al. A High-resolution TOF Detector _ A Possible Way to Compete with a RICH Detector, article, July 25, 2008; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc893111/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.