Results 31 to 40 of about 776 (208)
Current Direct Neutrino Mass Experiments
Advances in High Energy Physics, Volume 2013, Issue 1, 2013., 2013 In this contribution, we review the status and perspectives of direct neutrino mass experiments, which investigate the kinematics of β‐decays of specific isotopes (3H, 187Re, 163Ho) to derive model‐independent information on the averaged electron (anti)neutrino mass. After discussing the kinematics of β‐decay and the determination of the neutrino mass,
G. Drexlin +4 more
wiley +1 more source
Towards the precision measurement of CP violation in B → D * μν decays at LHCb
Journal of High Energy Physics, 2023 Measurement of CP-violating observables in semileptonic decays is a sensitive null-test of the Standard Model: any CP violation would be an unambiguous sign of New Physics effects.
V. Dedu, A. Poluektov
doaj +1 more source
Coherent and Incoherent Neutral Current Scattering for Supernova Detection
Advances in High Energy Physics, Volume 2012, Issue 1, 2012., 2012 The total cross sections as well as the neutrino event rates are calculated in the neutral current neutrino scattering off 40Ar and 132Xe isotopes at neutrino energies (Ev < 100 MeV). The individual contribution coming from coherent and incoherent channels is taking into account.
P. C. Divari, Guey-Lin Lin
wiley +1 more source
(Semi-)Leptonic D decays at BESIII
Nuclear and Particle Physics Proceedings, 2022 BESIII has collected 2.93 fb-1 of data at 3.773 GeV, and 6.3 fb-1 of data between 4.18 and 4.23 GeV, respectively. We will report precison measurements of the decay constants fDs+ and the CKM matrix elements |Vcs| via D(s)+ -> l+v (l=mu, tau), which are important to test the LQCD calculations and the CKM matrix unitarity.
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Journal of High Energy Physics, 2023 Leptoquarks with masses between 2 TeV and 50 TeV are commonly invoked to explain deviations between data and Standard-Model (SM) predictions of several observables in the decays b → cτ ν ¯ $$ b\to c\tau \overline{\nu} $$ and b → sℓ + ℓ − with ℓ = e, μ ...
Marco Fedele +2 more
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Revisiting Minimal Lepton Flavour Violation in the light of leptonic CP violation
Journal of High Energy Physics, 2017 The Minimal Lepton Flavour Violation (MLFV) framework is discussed after the recent indication for CP violation in the leptonic sector. Among the three distinct versions of MLFV, the one with degenerate right-handed neutrinos will be disfavoured, if this
D.N. Dinh +3 more
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Charm physics confronts high-p T lepton tails
Journal of High Energy Physics, 2020 We present a systematic survey of possible short-distance new-physics effects in (semi)leptonic charged- and neutral-current charmed meson decays. Using the Standard Model Effective Field Theory (SMEFT) to analyze the most relevant experimental data at ...
Javier Fuentes-Martín +3 more
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Progress on semi-leptonic B(s) decays [PDF]
Modern Physics Letters A, 2014 We report on the current status of semi-leptonic B(s) decays, including rare decays, and the extraction of the absolute values of the CKM matrix elements |Vcb| and |Vub|.
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Uniting low-energy semileptonic and hadronic anomalies within SMEFT
Journal of High Energy PhysicsTwo categories of four-fermion SMEFT operators are semileptonic (two quarks and two leptons) and hadronic (four quarks). At tree level, an operator of a given category contributes only to processes of the same category.
Alakabha Datta +3 more
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CP violation in Semi-Leptonic τ decays
AIP Conference Proceedings, 2007 Comment: 8 pages, 3 figures, To appear in the proceedings of 6th Latin American Symposium on High Energy Physics (VI-SILAFAE), Puerto Vallarta, Mexico, November 1-8 ...
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