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Search for a dark vector gauge boson decaying to pi(+)pi(-) using eta -˃pi(+)pi(-) gamma decays

Title
Search for a dark vector gauge boson decaying to pi(+)pi(-) using eta -˃pi(+)pi(-) gamma decays
Author
천병구
Keywords
KLOE DETECTOR; PACKAGE; PHOTON; MATTER; ETA
Issue Date
2016-11
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v. 94, NO. 9, Page. 92006-92006
Abstract
We report a search for a dark vector gauge boson U' that couples to quarks in the decay chain D*(+) -˃ D-0 pi(+), D-0 -˃ K-S(0) eta, eta -˃ U'gamma, U' -˃ pi(+)pi- No signal is found and we set a mass-dependent limit on the baryonic fine structure constant of 10(-3)-10(-2) in the U' mass range of 290 to 520 MeV/c(2). This analysis is based on a data sample of 976 fb(-1) collected by the Belle experiment at the KEKB asymmetric-energy e(+)e(-) collider.
URI
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.94.092006https://repository.hanyang.ac.kr/handle/20.500.11754/100799
ISSN
2470-0010; 2470-0029
DOI
10.1103/PhysRevD.94.092006
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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