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Title
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Search for exotic Higgs boson decays H → AA → 4γ with events containing two merged diphotons in proton-proton collisions at √s=13 TeV
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Author
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Abstract
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| We present the first direct search for exotic Higgs boson decays H -> AA, A -> gamma gamma in events with two photonlike objects. The hypothetical particle A is a low-mass spin-0 particle decaying promptly to a merged diphoton reconstructed as a single photonlike object. We analyze the data collected by the CMS ffiffi experiment at V s = 13 TeV corresponding to an integrated luminosity of 136 fb-1. No excess above the estimated background is found. We set upper limits on the branching fraction B(H -> AA -> 4 gamma) of (0.9-3.3) x 10-3 at 95% confidence level for masses of A in the range 0.1-1.2 GeV. |
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Language
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English
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Source (journal)
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Physical review letters. - New York, N.Y., 1958, currens
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Publication
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New York, N.Y.
:
American Physical Society
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2023
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ISSN
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0031-9007
[print]
1079-7114
[online]
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DOI
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10.1103/PHYSREVLETT.131.101801
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Volume/pages
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131
:10
(2023)
, p. 1-19
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Article Reference
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101801
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ISI
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001085073800002
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Pubmed ID
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37739361
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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