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Search for di-muon decays of a low-mass Higgs boson in radiative decays of the Gamma(1S)
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Search for di-muon decays of a low-mass Higgs boson in radiative decays of the Gamma(1S)
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| dc.contributor.author | BABAR Collaboration | |
| dc.contributor.author | Martínez Vidal, Fernando | |
| dc.contributor.author | Oyanguren Campos, Arantza | |
| dc.contributor.author | Villanueva Pérez, Pablo | |
| dc.date.accessioned | 2014-04-01T09:08:38Z | |
| dc.date.available | 2014-04-01T09:08:38Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2013 Search for di-muon decays of a low-mass Higgs boson in radiative decays of the Gamma(1S) Physical Review D 87 3 031102-1 031102-8 | |
| dc.identifier.uri | http://hdl.handle.net/10550/33919 | |
| dc.description.abstract | We search for di-muon decays of a low-mass Higgs boson (A(0)) produced in radiative Gamma(1S) decays. The Gamma(1S) sample is selected by tagging the pion pair in the Gamma(2S, 3S) -> pi(+)pi(-) Gamma(1S) transitions, using a data sample of 92.8 x 10(6) Gamma(2S) and 116.8 x 10(6) Gamma(3S) events collected by the BABAR detector. We find no evidence for A(0) production and set 90% confidence level upper limits on the product branching fraction B(Gamma(1S) -> gamma Lambda(0)) x B(Lambda(0)->mu(+)mu(-)) in the range of (0.28 ¿ 9.7) x 10(-6) for 0.212 <= m(A0) <= 9.20 GeV/c(2). The results are combined with our previous measurements of Gamma(2S,3S) -> gamma Lambda(0), Lambda(0) -> mu(+)mu(-) to set limits on the effective coupling of the b quark to the Lambda(0). | |
| dc.relation.ispartof | Physical Review D, 2013, vol. 87, num. 3, p. 031102-1-031102-8 | |
| dc.subject | Física nuclear | |
| dc.title | Search for di-muon decays of a low-mass Higgs boson in radiative decays of the Gamma(1S) | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-04-01T09:08:39Z | |
| dc.identifier.doi | 10.1103/PhysRevD.87.031102 | |
| dc.identifier.idgrec | 084161 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1103/PhysRevD.87.031102 |
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