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Search for the rare decays W+ →Ds+ ϒ and Z →D0 ϒ at LHCb
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- Aaij, R. (author)
- Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands;Univ Groningen, Van Swinderen Inst, Groningen, Netherlands;Univ Maastricht, Maastricht, Netherlands
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- Adlarson, Patrik (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Alexander, M. (author)
- Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland;Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden
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- (creator_code:org_t)
- Institute of Physics (IOP), 2023
- 2023
- English.
- In: Chinese Physics C. - : Institute of Physics (IOP). - 1674-1137 .- 2058-6132. ; 47:9
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A search for the rare decays W+ -> D-s(+)gamma and Z -> D-0 gamma and is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 2.0fb(-1). No significant signal is observed for either decay mode and upper limits on their branching fractions are set using W+ -> mu(+)nu and Z ->mu(+)mu(-)decays as normalization channels. The upper limits are and at 95% confidence level for W+ -> D-s(+)gamma and Z -> D-0 gamma the and decay modes, respectively. This is the first reported search for Z -> D-0 gamma the decay, while the upper limit on the Z -> D-0 gamma branching fraction improves upon the previous best limit.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- W/Z boson
- rare decay
- upper limit of branching fraction
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Chinese Physics C (Search for host publication in LIBRIS)
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- Aaij, R.
- Adlarson, Patrik
- Alexander, M.
- Bobulska, D.
- Douglas, L.
- Eklund, Lars
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- Friday, D. A.
- Grillo, L.
- Kupsc, Andrzej
- Longstaff, I.
- McHugh, N. T.
- Petric, M.
- Schiller, M.
- Soler, F. J. P.
- Spradlin, P.
- Whitehead, M.
- Zunica, G.
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- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Chinese Physics ...
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- Uppsala University
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