Multigap RPC time resolution to 511 keV annihilation photons

G. Belli; M. Gabusi; G. Musitelli; R. Nardò; S. P. Ratti; A. Tamborini; P. Vitulo

doi:10.1016/j.nima.2015.01.082

Multigap RPC time resolution to 511 keV annihilation photons

Instrumentation and Detectors 2015-12-09 v1 Medical Physics

Authors: G. Belli , M. Gabusi , G. Musitelli , R. Nardò , S. P. Ratti , A. Tamborini , P. Vitulo

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Abstract

The time resolution of Multigap Resistive Plate Counters (MRPCs) to $511$ keV gamma rays has been investigated using a $^{22}$ Na source and four detectors. The MRPCs time resolution has been derived from the Time-of-Flight information, measured from pairs of space correlated triggered events. A GEANT4 simulation has been performed to analyze possible setup contributions and to support experimental results. A time resolution (FWHM) of $376$ ps and $312$ ps has been measured for a single MRPC with four $250$ $\mu$ m gas gaps by considering respectively one and two independent pairs of detectors.

Keywords

multigap resistive plate counters time resolution 511 keV gamma rays time-of-flight GEANT4 simulation positron annihilation

Cite

@article{arxiv.1406.2119,
  title  = {Multigap RPC time resolution to 511 keV annihilation photons},
  author = {G. Belli and M. Gabusi and G. Musitelli and R. Nardò and S. P. Ratti and A. Tamborini and P. Vitulo},
  journal= {arXiv preprint arXiv:1406.2119},
  year   = {2015}
}

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25 pages, 14 figures

Multigap RPC time resolution to 511 keV annihilation photons

Abstract

Keywords

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