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The calorimeter of the Mu2e experiment at Fermilab

Atanov, N. and Baranov, V. and Budagov, J. and Cervelli, F. and Colao, F. and Cordelli, M. and Corradi, G. and Dané, E. and Davydov, Y. I. and Di Falco, S. and Diociaiuti, E. and Donati, S. and Donghia, R. and Echenard, B. and Flood, K. and Giovannella, S. and Glagolev, V. and Grancagnolo, F. and Happacher, F. and Hitlin, D. G. and Martini, M. and Miscetti, S. and Miyashita, T. and Morescalchi, L. and Murat, P. and Pezzullo, G. and Porter, F. and Raffaelli, F. and Radicioni, T. and Ricci, M. and Saputi, A. and Sarra, I. and Spinella, F. and Tassielli, G. and Tereshchenko, V. and Usubov, Z. and Zhu, R. Y. (2017) The calorimeter of the Mu2e experiment at Fermilab. Journal of Instrumentation, 12 (01). Art. No. C01061. ISSN 1748-0221. https://resolver.caltech.edu/CaltechAUTHORS:20170331-124842176

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Abstract

The Mu2e experiment at Fermilab looks for Charged Lepton Flavor Violation (CLFV) improving by 4 orders of magnitude the current experimental sensitivity for the muon to electron conversion in a muonic atom. A positive signal could not be explained in the framework of the current Standard Model of particle interactions and therefore would be a clear indication of new physics. In 3 years of data taking, Mu2e is expected to observe less than one background event mimicking the electron coming from muon conversion. Achieving such a level of background suppression requires a deep knowledge of the experimental apparatus: a straw tube tracker, measuring the electron momentum and time, a cosmic ray veto system rejecting most of cosmic ray background and a pure CsI crystal calorimeter, that will measure time of flight, energy and impact position of the converted electron. The calorimeter has to operate in a harsh radiation environment, in a 10^(−4) Torr vacuum and inside a 1 T magnetic field. The results of the first qualification tests of the calorimeter components are reported together with the energy and time performances expected from the simulation and measured in beam tests of a small scale prototype.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1088/1748-0221/12/01/C01061DOIArticle
http://iopscience.iop.org/article/10.1088/1748-0221/12/01/C01061/metaPublisherArticle
https://arxiv.org/abs/1701.07975arXivDiscussion Paper
ORCID:
AuthorORCID
Hitlin, D. G.0000-0003-4028-6982
Porter, F.0000-0003-1948-8889
Zhu, R. Y.0000-0003-3091-7461
Additional Information:© 2017 IOP Publishing Ltd and Sissa Medialab srl. Received 11 December 2016; Accepted 4 January 2017; Published 23 January 2017. This work was supported by the EU Horizon 2020 Research and Innovation Programme under the Marie Sklodowska-Curie Grant Agreement No. 690835.
Funders:
Funding AgencyGrant Number
Marie Curie Fellowship690835
Subject Keywords:Calorimeter, Radiation-hard detectors
Issue or Number:01
Record Number:CaltechAUTHORS:20170331-124842176
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170331-124842176
Official Citation:N. Atanov et al 2017 JINST 12 C01061
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:75591
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:31 Mar 2017 20:36
Last Modified:03 Oct 2019 16:52

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