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Search for Axionlike Particles Produced in e(+)e(-) Collisions at Belle II

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dc.contributor.authorAbudinen, F.
dc.contributor.authorAdachi, I.
dc.contributor.authorAihara, H.
dc.contributor.authorAkopov, N.
dc.contributor.authorPakhlov, P.
dc.date.accessioned2024-11-27T08:55:27Z
dc.date.available2024-11-27T08:55:27Z
dc.date.issued2020
dc.description.abstractWe present a search for the direct production of a light pseudoscalar a decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process e(+)e(-) -> gamma a, a -> gamma gamma in the mass range 0.2 < m(a) < 9.7 GeV/c(2) using data corresponding to an integrated luminosity of (445 +/- 3) pb(-1). Light pseudoscalars interacting predominantly with standard model gauge bosons (so-called axionlike particles or ALPs) are frequently postulated in extensions of the standard model. We find no evidence for ALPs and set 95% confidence level upper limits on the coupling strength g(a gamma gamma) of ALPs to photons at the level of 10(-3) GeV-1. The limits are the most restrictive to date for 0.2 < m(a) < 1 GeV/c(2).
dc.identifier.citationSearch for Axionlike Particles Produced in e(+)e(-) Collisions at Belle II / Abudinen, F [et al.] // Physical Review Letters. - 2020. - 125. - № 16. - 10.1103/PhysRevLett.125.161806
dc.identifier.doi10.1103/PhysRevLett.125.161806
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevLett.125.161806
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85094933955&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000577074900004
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22479
dc.relation.ispartofPhysical Review Letters
dc.titleSearch for Axionlike Particles Produced in e(+)e(-) Collisions at Belle II
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue16
oaire.citation.volume125
relation.isOrgUnitOfPublicationba0b4738-e6bd-4285-bda5-16ab2240dbd1
relation.isOrgUnitOfPublication.latestForDiscoveryba0b4738-e6bd-4285-bda5-16ab2240dbd1
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