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Search for a low-mass scalar Higgs boson decaying to a tau pair in single-photon decays of Y(1S)

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Search for a low-mass scalar Higgs boson decaying to a tau pair in single-photon decays of Y(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 2014-04-01T11:36:27Z
dc.date.available 2014-04-01T11:36:27Z
dc.date.issued 2013
dc.identifier.citation BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2013 Search for a low-mass scalar Higgs boson decaying to a tau pair in single-photon decays of Y(1S) Physical Review D 88 7 071102-1 071102-8
dc.identifier.uri http://hdl.handle.net/10550/33938
dc.description.abstract We search for a low-mass scalar CP-odd Higgs boson, A(0), produced in the radiative decay of the upsilon resonance and decaying into a tau(+)tau(-) pair: Y(1S) -> gamma A(0). The production of Y(1S) mesons is tagged by Y(2S) -> pi(+)pi(-) Y(1S) transitions, using a sample of (98.3 +/- 0.9) x 10(6) Y(2S) mesons collected by the BABAR detector. We find no evidence for a Higgs boson in the mass range 3: 5 <= m(A)0 <= 9: 2 GeV, and combine these results with our previous search for the tau decays of the light Higgs in radiative Y(3S) decays, setting limits on the coupling of A(0) to the b (b) over bar quarks in the range 0.09-1.9. Our measurements improve the constraints on the parameters of the next-to-minimal-supersymmetric Standard Model and similar theories with low-mass scalar degrees of freedom.
dc.relation.ispartof Physical Review D, 2013, vol. 88, num. 7, p. 071102-1-071102-8
dc.subject Física nuclear
dc.title Search for a low-mass scalar Higgs boson decaying to a tau pair in single-photon decays of Y(1S)
dc.type journal article es_ES
dc.date.updated 2014-04-01T11:36:27Z
dc.identifier.doi 10.1103/PhysRevD.88.071102
dc.identifier.idgrec 093366
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1103/PhysRevD.88.071102

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