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Author
LHCb Collaboration (Aaij, R. et al)
;
Jaimes Elles, S.J.
;
Jashal, B.K.
;
Martinez-Vidal, F.
;
Oyanguren, A.
;
Rebollo De Miguel, M.
;
Remon Alepuz, C.
;
Ruiz Vidal, J.
;
Sanderswood, I.
Title
Search for Rare Decays of D0 Mesons into Two Muons
Type
Journal Article
Year
2023
Publication
Physical Review Letters
Abbreviated Journal
Phys. Rev. Lett.
Volume
131
Issue
4
Pages
041804 - 13pp
Keywords
Abstract
A search for the very rare D-0 -> mu(+)mu(-) decay is performed using data collected by the LHCb experiment in proton-proton collisions at root s = 7, 8, and 13 TeV, corresponding to an integrated luminosity of 9 fb(-1). The search is optimized for D-0 mesons from D*(+) -> D-0 pi(+) decays but is also sensitive to D-0 mesons from other sources. No evidence for an excess of events over the expected background is observed. An upper limit on the branching fraction of this decay is set at B(D-0 -> mu(+)mu(-)) < 3.1 x 10(-9) at a 90% C.L. This represents the world's most stringent limit, constraining models of physics beyond the standard model.
Address
[Leite, J. Baptista de Souza; Bediaga, I. B.; Torres, M. Cruz; Da Graca, U. De Freitas Carneiro; De Miranda, J. M.; dos Reis, A. C.; Falcao, L. N.; Gomes, A.; Massafferri, A.; Torres Machado, D.] CBPF, Rio De Janeiro, Brazil
Corporate Author
Thesis
Publisher
Amer Physical Soc
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0031-9007
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:001257153800001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
6216
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