We search for hadronic decays of a light Higgs boson (A(0)) produced in radiative decays of an Gamma(2S) or Gamma(3S) meson, Gamma -> gamma A(0). The data have been recorded by the BABAR experiment at the Gamma(3S) and Gamma(2S) center-of-mass energies and include (121.3 +/- 1.2) x 10(6) Gamma(3S) and (98.3 +/- 0.9) x 10(6) Gamma(2S) mesons. No significant signal is observed. We set 90% confidence level upper limits on the product branching fractions B(Gamma(nS) -> gamma A(0))B(A(0) -> hadrons) (n = 2 or 3) that range from 1 x 10(-6) for an A(0) mass of 0: 3 GeV/c(2) to 8 x 10(-5) at 7 GeV/c(2).

Search for Hadronic Decays of a Light Higgs Boson in the Radiative Decay Gamma -> gamma A(0) / J. p., L., V., P., V., T., J. g., T., E., G., M., M., D. a., M., A., P., M., P., G., E., B., S., D. n., B., L. t., K., Y. g., K., G., L., H., K., T., S., D. j., A., C., H., T. s., M., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 107:(2011), p. 221803. [10.1103/physrevlett.107.221803]

Search for Hadronic Decays of a Light Higgs Boson in the Radiative Decay Gamma -> gamma A(0)

CAVOTO, Gianluca;FACCINI, Riccardo;FERRONI, Fernando;
2011

Abstract

We search for hadronic decays of a light Higgs boson (A(0)) produced in radiative decays of an Gamma(2S) or Gamma(3S) meson, Gamma -> gamma A(0). The data have been recorded by the BABAR experiment at the Gamma(3S) and Gamma(2S) center-of-mass energies and include (121.3 +/- 1.2) x 10(6) Gamma(3S) and (98.3 +/- 0.9) x 10(6) Gamma(2S) mesons. No significant signal is observed. We set 90% confidence level upper limits on the product branching fractions B(Gamma(nS) -> gamma A(0))B(A(0) -> hadrons) (n = 2 or 3) that range from 1 x 10(-6) for an A(0) mass of 0: 3 GeV/c(2) to 8 x 10(-5) at 7 GeV/c(2).
2011
01 Pubblicazione su rivista::01a Articolo in rivista
Search for Hadronic Decays of a Light Higgs Boson in the Radiative Decay Gamma -> gamma A(0) / J. p., L., V., P., V., T., J. g., T., E., G., M., M., D. a., M., A., P., M., P., G., E., B., S., D. n., B., L. t., K., Y. g., K., G., L., H., K., T., S., D. j., A., C., H., T. s., M., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 107:(2011), p. 221803. [10.1103/physrevlett.107.221803]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/440267
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