Precision tau physics
A Pich - Progress in Particle and Nuclear Physics, 2014 - Elsevier
Precise measurements of the lepton properties provide stringent tests of the Standard Model
and accurate determinations of its parameters. We overview the present status of τ physics …
and accurate determinations of its parameters. We overview the present status of τ physics …
QCD and strongly coupled gauge theories: challenges and perspectives
We highlight the progress, current status, and open challenges of QCD-driven physics, in
theory and in experiment. We discuss how the strong interaction is intimately connected to a …
theory and in experiment. We discuss how the strong interaction is intimately connected to a …
Measurement of the Ratio of Branching Fractions B (B¯ 0→ D*+ τ-ν¯ τ)/B (B¯ 0→ D*+ μ-ν¯ μ)
R Aaij, B Adeva, M Adinolfi, A Affolder, Z Ajaltouni… - Physical review …, 2015 - APS
The branching fraction ratio R (D*)≡ B (B¯ 0→ D*+ τ-ν¯ τ)/B (B¯ 0→ D*+ μ-ν¯ μ) is
measured using a sample of proton-proton collision data corresponding to 3.0 fb-1 of …
measured using a sample of proton-proton collision data corresponding to 3.0 fb-1 of …
Measurement of an excess of decays and implications for charged Higgs bosons
JP Lees, V Poireau, V Tisserand, E Grauges… - Physical Review D …, 2013 - APS
Based on the full BABAR data sample, we report improved measurements of the ratios R
(D)= B (B¯→ D τ-ν¯ τ)/B (B¯→ D ℓ-ν¯ ℓ) and R (D*)= B (B¯→ D* τ-ν¯ τ)/B (B¯→ D* ℓ-ν¯ ℓ) …
(D)= B (B¯→ D τ-ν¯ τ)/B (B¯→ D ℓ-ν¯ ℓ) and R (D*)= B (B¯→ D* τ-ν¯ τ)/B (B¯→ D* ℓ-ν¯ ℓ) …
Measurement of the ratio of branching fractions B (B¯ 0→ D∗+ τ-ν¯ τ)/B (B¯ 0→ D∗+ μ-ν¯ μ)
LHCb Collaboration - Physical Review Letters, 2015 - research.monash.edu
The branching fraction ratio R (D∗)≡ B (B 0→ D∗+ τ-ντ)/B (B 0→ D∗+ μ-νμ) is measured
using a sample of proton-proton collision data corresponding to 3.0 fb-1 of integrated …
using a sample of proton-proton collision data corresponding to 3.0 fb-1 of integrated …
Evidence for an Excess of Decays
JP Lees, V Poireau, V Tisserand, J Garra Tico… - Physical review …, 2012 - APS
Based on the full BABAR data sample, we report improved measurements of the ratios R (D
(*))= B (B¯→ D (*) τ-ν¯ τ)/B (B¯→ D (*) ℓ ℓ-ν¯ ℓ), where ℓ is either e or μ. These ratios are …
(*))= B (B¯→ D (*) τ-ν¯ τ)/B (B¯→ D (*) ℓ ℓ-ν¯ ℓ), where ℓ is either e or μ. These ratios are …
form factors at nonzero recoil and from -flavor lattice QCD
JA Bailey, A Bazavov, C Bernard, CM Bouchard… - Physical Review D, 2015 - APS
We present the first unquenched lattice-QCD calculation of the hadronic form factors for the
exclusive decay B¯→ D ℓ ν¯ at nonzero recoil. We carry out numerical simulations on 14 …
exclusive decay B¯→ D ℓ ν¯ at nonzero recoil. We carry out numerical simulations on 14 …
form factors at nonzero recoil and extraction of
We present a lattice QCD calculation of the B→ D l ν semileptonic decay form factors f+(q 2)
and f 0 (q 2) for the entire physical q 2 range. Nonrelativistic QCD bottom quarks and highly …
and f 0 (q 2) for the entire physical q 2 range. Nonrelativistic QCD bottom quarks and highly …
Testing leptoquark models in
Y Sakaki, R Watanabe, M Tanaka, A Tayduganov - Physical Review D …, 2013 - APS
We study potential new physics effects in the B¯→ D (*) τ ν¯ decays. As a particular example
of new physics models, we consider the class of leptoquark models and put the constraints …
of new physics models, we consider the class of leptoquark models and put the constraints …
New physics in the weak interaction of
M Tanaka, R Watanabe - Physical Review D—Particles, Fields, Gravitation …, 2013 - APS
Recent experimental results on exclusive semitauonic B meson decays, B¯→ D (*) τ ν¯,
showing sizable deviations from the standard model prediction, suggest a new physics in …
showing sizable deviations from the standard model prediction, suggest a new physics in …