Search for a light Higgs boson decaying to two gluons or s(s)over-bar in the radiative decays of Upsilon(1S)
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Search for a light Higgs boson decaying to two gluons or s(s)over-bar in the radiative decays of Upsilon(1S)

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Search for a light Higgs boson decaying to two gluons or s(s)over-bar in the radiative decays of Upsilon(1S)

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BABAR Collaboration; Martínez Vidal, Fernando Perfil; Oyanguren Campos, Arantza Perfil; Villanueva Pérez, Pablo
This document is a artículoDate2013

Este documento está disponible también en : http://dx.doi.org/10.1103/PhysRevD.88.031701

Este documento está disponible también en : http://hdl.handle.net/10550/33944
We search for the decay Upsilon(1S) -> A(0), A(0) -> gg or s (s) over bar, where A(0) is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric Standard Model. We use a sample of (17.6 +/- 0.3) x 10(6) Upsilon(1S) mesons produced in the BABAR experiment via e(+)e(-) -> Upsilon(2S) -> pi(+)pi(-)Upsilon(1S). We see no significant signal and set 90%-confidence-level upper limits on the product branching fraction B(Upsilon(1S) -> gamma A(0)) . B(A(0) -> gg or s (s) over bar ranging from 10(-6) to 10(-2) for A(0) masses in the range 0.5-9.0 GeV/c(2).

    BABAR Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Villanueva Pérez, Pablo 2013 Search for a light Higgs boson decaying to two gluons or s(s)over-bar in the radiative decays of Upsilon(1S) Physical Review D 88 3 031701-1 031701-7
http://dx.doi.org/10.1103/PhysRevD.88.031701

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