Search for charged Higgs bosons in decays of top quarks

Journal Article · Tue Sep 01 00:00:00 EDT 2009 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.80.051107· OSTI ID:21322545

Abazov, V M; Alexeev, G D; Kharzheev, Y N; Malyshev, V L; Tokmenin, V V; Vertogradov, L S; Yatsunenko, Y A ^[1]; Abbott, B; Gutierrez, P; Hossain, S; Jain, S; Rominsky, M; Severini, H; Skubic, P; Strauss, M ^[2]; Abolins, M; Benitez, J A; Brock, R; Edmunds, D; Hall, I ^[3]

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1. Joint Institute for Nuclear Research, Dubna (Russian Federation)
2. University of Oklahoma, Norman, Oklahoma 73019 (United States)
3. Michigan State University, East Lansing, Michigan 48824 (United States)

We present a search for charged Higgs bosons in decays of top quarks, in the mass range 80<m{sub H{sup {+-}}}<155 GeV, assuming the subsequent decay H{sup +}{yields}{tau}{sup +}{nu}{sub {tau}} (and its charge conjugate). Using 0.9 fb{sup -1} of lepton+jets data collected with the D0 detector at the Fermilab Tevatron pp collider, operating at a center of mass energy {radical}(s)=1.96 TeV, we find no evidence for a H{sup {+-}} signal. Hence we exclude branching ratios B(t{yields}H{sup +}b)>0.24 for m{sub H{sup {+-}}}=80 GeV and B(t{yields}H{sup +}b)>0.19 for m{sub H{sup {+-}}}=155 GeV at the 95% C.L.

• OSTI ID: 21322545
• Journal Information: Physical Review. D, Particles Fields, Vol. 80, Issue 5; Other Information: DOI: 10.1103/PhysRevD.80.051107; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BRANCHING RATIO
FERMILAB TEVATRON
GEV RANGE
HIGGS BOSONS
MASS
PARTICLE DECAY
T QUARKS
TAU NEUTRINOS
TAU PARTICLES
TEV RANGE 01-10