Search for a muonic dark force at BABAR

BaBar Collaboration

doi:10.1103/PhysRevD.94.011102

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Search for a muonic dark force at BABAR

BaBar Collaboration

Physical review. D, Vol.94(1), p.011102

07/19/2016

DOI: 10.1103/PhysRevD.94.011102

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Abstract

See paper for full list of authors - 6 pages, 5 figures, submitted to Phys. Rev. D (Rapid Communications); International audience; Many models of physics beyond the Standard Model predict the existence of new Abelian forces with new gauge bosons mediating interactions between "dark sectors" and the Standard Model. We report a search for a dark boson Z' coupling only to the second and third generations of leptons in the reaction e+e- -> mu+mu- Z', Z' -> mu+mu- using 514 fb-1 of data collected by the BABAR experiment. No significant signal is observed for Z' masses in the range 0.212 - 10 GeV. Limits on the coupling parameter g' as low as 7x10^-4 are derived, leading to improvements in the bounds compared to those previously derived from neutrino experiments.

High Energy Physics

Physics

Astronomy (miscellaneous)

BaBar

Dark matter (Astronomy)

Experiment

Fisica Nucleare e Subnucleare

Fisica Sperimentale

hep

Matèria fosca (Astronomia)

Nuclear

Particles

Partícules (Matèria)

Phenomenology

Settore FIS

Details

Title: Subtitle: Search for a muonic dark force at BABAR
Creators: BaBar Collaboration
Contributors: U Mallik (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Journal article
Publication Details: Physical review. D, Vol.94(1), p.011102
DOI: 10.1103/PhysRevD.94.011102
ISSN: 2470-0010
eISSN: 2470-0029
Publisher: American Physical Society
Grant note: DOI: 10.13039/100004401, name: SLACK Incorporated; DOI: 10.13039/100000015, name: U.S. Department of Energy; DOI: 10.13039/100000001, name: National Science Foundation; DOI: 10.13039/501100000038, name: Natural Sciences and Engineering Research Council of Canada; DOI: 10.13039/501100002347, name: Bundesministerium für Bildung und Forschung; DOI: 10.13039/501100001659, name: Deutsche Forschungsgemeinschaft; DOI: 10.13039/501100004007, name: Istituto Nazionale di Fisica Nucleare; DOI: 10.13039/501100001712, name: Stichting voor Fundamenteel Onderzoek der Materie; DOI: 10.13039/501100005416, name: Norges Forskningsråd; DOI: 10.13039/501100003443, name: Ministry of Education and Science of the Russian Federation; DOI: 10.13039/501100003329, name: Ministerio de Economía y Competitividad; DOI: 10.13039/501100000271, name: Science and Technology Facilities Council; DOI: 10.13039/501100001742, name: United States-Israel Binational Science Foundation; DOI: 10.13039/100000879, name: Alfred P. Sloan Foundation
Language: English
Date published: 07/19/2016
Academic Unit: Physics and Astronomy
Record Identifier: 9984199942802771

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