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Search for a low-mass scalar Higgs boson decaying to a tau pair in single-photon decays ofΥ(1S)
2013
Physical Review D
We search for a low-mass scalar CP-odd Higgs boson, A0, produced in the radiative decay of the Upsilon resonance and decaying into a tau+tau- pair: Upsilon(1S)->gamma A0. The production of Upsilon(1S) mesons is tagged by Upsilon(2S)->pi+pi-Upsilon(1S) transitions, using a sample of (98.3+/-0.9) million Upsilon(2S) mesons collected by the BaBar detector. We find no evidence for a Higgs boson in the mass range 3.5 GeV<= m(A0)<=9.2 GeV, and combine these results with our previous search for the
doi:10.1103/physrevd.88.071102
fatcat:cfuak756bvae7eufsovueudi6a