Report/Contribution to a conference proceedings/Contribution to a book

PUBDB-2018-02775

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Theoretical Framework for the Analysis of Hidden Light Gauge Boson Searches

Beranek, T. (Corresponding author)

2013
Verlag Deutsches Elektronen-Synchrotron Hamburg
ISBN: 978-3-935702-83-6

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2013-04/beranek_tobias

Report No.: DESY-PROC-2013-04

Abstract: Various kinds of physics phenomena can be probed by electron scattering fixed target experiments. Recently, fixed target experiments investigating the reaction $e(A, Z) → e(A, Z)l^{+} l^−$ , where (A, Z) denotes a nucleus of atomic number Z, were utilized to search for physics beyond the Standard Model at modest energies. In these experiments a search for a small, narrow resonance in the invariant mass spectrum of the lepton-antilepton pair, arising from the exchange of a new light gauge boson γ coupling to the dark sector as well as very weakly to standard model particles, is performed. Such a signal would appear as an enhancement over a smooth QED background, which therefore requires a precise understanding of the background. We present a theoretical analysis of the cross sections describing this process, which are then used to extract exclusion limits on the parameter space of the $\gamma´$ , and compare our results to existing experimental data taken at MAMI.

Keyword(s): Hypothetisches Teilchen

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Contributing Institute(s):

1. Bibliothek und Dokumentation (L)

Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

Experiment(s):

1. No specific instrument

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Book/Proceedings/Report Oberlack, U. (Editor) ; Sissol, P. (Editor)
Axions WIMPs and WISPs: Proceedings, 9th Patras workshop, PATRAS 2013, Mainz, Germany, June 23-28, 2013
20139th Patras Workshop on Axions, WIMPs and WISPs, AXION-WIMP 2013, MainzMainz, Germany, 24 Jun 2013 - 28 Jun 20132013-06-242013-06-28 Hamburg : DESY 292 p (2013) [10.3204/DESY-PROC-2013-04]2013     Files  Fulltext BibTeX | EndNote: XML, Text | RIS

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