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Search for a light Higgs resonance in radiative decays of the (1S) with a charm tag

Lees, J. P.
•
Poireau, V.
•
Tisserand, V.
altro
Wu, S. L.
2015
  • journal article

Periodico
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Abstract
A search is presented for the decay (1S)→γA0, A0→cc ̄, where A0 is a candidate for the CP-odd Higgs boson of the next-to-minimal supersymmetric standard model. The search is based on data collected with the BABAR detector at the (2S) resonance. A sample of (1S) mesons is selected via the decay (2S)→π+π-(1S). The A0→cc ̄ decay is identified through the reconstruction of hadronic D0, D+, and D∗(2010)+ meson decays. No significant signal is observed. The measured 90% confidence-level upper limits on the product branching fraction B((1S)→γA0)×B(A0→cc ̄) range from 7.4×10-5 to 2.4×10-3 for A0 masses from 4.00 to 8.95GeV/c2 and 9.10 to 9.25GeV/c2, where the region between 8.95 and 9.10GeV/c2 is excluded because of background from (2S)→γχbJ(1P), χbJ(1P)→γ(1S) decays.
DOI
10.1103/PhysRevD.91.071102
WOS
WOS:000352593400001
Archivio
http://hdl.handle.net/11368/2871947
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84929093459
http://journals.aps.org/prd/issues/91/7
Diritti
open access
license:digital rights management non definito
license:digital rights management non definito
FVG url
https://arts.units.it/request-item?handle=11368/2871947
Soggetti
  • Nuclear and High Ener...

Web of Science© citazioni
6
Data di acquisizione
Mar 21, 2024
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Data di acquisizione
Apr 19, 2024
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