Physical Review Letters, ISSN 0031-9007, 01/2017, Volume 118, Issue 1, p. 011801

Lepton flavor universality (LFU) in B decays is revisited by considering a class of semileptonic operators defined at a scale. above the electroweak scale v....

R-K | PUZZLES | PHYSICS | PHYSICS, MULTIDISCIPLINARY | VIOLATION | Couplings | Leptons | Flavor (particle physics) | Mathematical analysis | Quantum electrodynamics | Decay | Running | Bosons

R-K | PUZZLES | PHYSICS | PHYSICS, MULTIDISCIPLINARY | VIOLATION | Couplings | Leptons | Flavor (particle physics) | Mathematical analysis | Quantum electrodynamics | Decay | Running | Bosons

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 11/2015, Volume 2015, Issue 11, pp. 1 - 26

We address the recent anomalies in semi-leptonic B-meson decays using a model of fermion masses based on the U(2) flavor symmetry. The new contributions to b →...

Rare Decays | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | PHYSICS | YUKAWA TEXTURES | CONVERSION | PHYSICS, PARTICLES & FIELDS | Quarks | Models | Analysis | Resveratrol | Exchange | Leptons | Fermions | Flavor (particle physics) | Searching | Decay | Interference | Mathematical models | Physics - High Energy Physics - Phenomenology | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph] | Nuclear and High Energy Physics | Experiment | [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph] | Lattice

Rare Decays | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | PHYSICS | YUKAWA TEXTURES | CONVERSION | PHYSICS, PARTICLES & FIELDS | Quarks | Models | Analysis | Resveratrol | Exchange | Leptons | Fermions | Flavor (particle physics) | Searching | Decay | Interference | Mathematical models | Physics - High Energy Physics - Phenomenology | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph] | Nuclear and High Energy Physics | Experiment | [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph] | Lattice

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 10/2015, Volume 2015, Issue 10, pp. 1 - 30

Anomalies in semileptonic B-meson decays present interesting patterns that might be revealing the shape of the new physics to come. Under the assumption that...

Rare Decays | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | B-Physics | Elementary Particles, Quantum Field Theory | FORM-FACTORS | LEPTOQUARKS | PHYSICS | MODEL | PHYSICS, PARTICLES & FIELDS | Charging | Hierarchies | Decay rate | Leptons | Flavor (particle physics) | Decay | Field theory | Complement | Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Experiment | hep-ph | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Rare Decays | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | B-Physics | Elementary Particles, Quantum Field Theory | FORM-FACTORS | LEPTOQUARKS | PHYSICS | MODEL | PHYSICS, PARTICLES & FIELDS | Charging | Hierarchies | Decay rate | Leptons | Flavor (particle physics) | Decay | Field theory | Complement | Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Experiment | hep-ph | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Journal Article

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, ISSN 0954-3899, 02/2019, Volume 46, Issue 2, p. 23001

Several measurements of tree- and loop-level b-hadron decays performed in the recent years hint at a possible violation of Lepton Universality. This article...

TOP-QUARK PRODUCTION | PHYSICS, NUCLEAR | Lepton Universality | b-hadron decays | FLAVOR UNIVERSALITY | VIOLATION | P(P)OVER-BAR COLLISIONS | LEPTOQUARK | R-K | GENERAL-THEORY | FORM-FACTORS | particle physics | PHYSICS | ELECTROWEAK MEASUREMENTS | PHYSICS, PARTICLES & FIELDS

TOP-QUARK PRODUCTION | PHYSICS, NUCLEAR | Lepton Universality | b-hadron decays | FLAVOR UNIVERSALITY | VIOLATION | P(P)OVER-BAR COLLISIONS | LEPTOQUARK | R-K | GENERAL-THEORY | FORM-FACTORS | particle physics | PHYSICS | ELECTROWEAK MEASUREMENTS | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 7/2015, Volume 2015, Issue 7, pp. 1 - 22

In view of recent experimental indications of violations of Lepton Flavor Universality (LFU) in B decays, we analyze constraints and implications of LFU...

Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | B-Physics | Elementary Particles, Quantum Field Theory | VIOLATION | PHYSICS, PARTICLES & FIELDS | Degrees of freedom | Leptons | Flavor (particle physics) | Breaking | Mathematical analysis | Decay | Mathematical models | Vectors (mathematics) | High Energy Physics - Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Experiment | Physics Institute | 530 Physics

Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | B-Physics | Elementary Particles, Quantum Field Theory | VIOLATION | PHYSICS, PARTICLES & FIELDS | Degrees of freedom | Leptons | Flavor (particle physics) | Breaking | Mathematical analysis | Decay | Mathematical models | Vectors (mathematics) | High Energy Physics - Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Experiment | Physics Institute | 530 Physics

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 12/2016, Volume 2016, Issue 12, pp. 1 - 43

We investigate a gauge extension of the Standard Model in light of the observed hints of lepton universality violation in b → cℓν and b → sℓ + ℓ − decays at...

Gauge Symmetry | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | Standard model (particle physics) | Fermions | Flavor (particle physics) | Electroweak model | Decay | Mathematical models | Gages | Gauges | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Experiment | 530 Physics | Lattice

Gauge Symmetry | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | Standard model (particle physics) | Fermions | Flavor (particle physics) | Electroweak model | Decay | Mathematical models | Gages | Gauges | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Experiment | 530 Physics | Lattice

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 12/2014, Volume 2014, Issue 12, pp. 1 - 18

There are some slight tensions with the SM predictions within the latest LHCb measurements. Besides the known anomaly in one angular observable of the rare...

Rare Decays | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | B-Physics | Elementary Particles, Quantum Field Theory | PENGUIN DECAYS | ASYMMETRY | SEARCH | FORM-FACTORS | OBSERVABLES | ELECTROWEAK | VIOLATION | FLAVOR | PHYSICS, PARTICLES & FIELDS

Rare Decays | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | B-Physics | Elementary Particles, Quantum Field Theory | PENGUIN DECAYS | ASYMMETRY | SEARCH | FORM-FACTORS | OBSERVABLES | ELECTROWEAK | VIOLATION | FLAVOR | PHYSICS, PARTICLES & FIELDS

Journal Article

PHYSICAL REVIEW D, ISSN 2470-0010, 04/2018, Volume 97, Issue 7

The ratio of branching fractions R(D*(-)) = B(B-0 -> D*(-) tau(+)nu(tau))/(B-0 -> D*(-) mu(+)nu(mu)) is measured using a data sample of proton-proton...

LEPTOQUARKS | ENERGY | SIMULATION | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Experiment

LEPTOQUARKS | ENERGY | SIMULATION | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Experiment

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 12/2018, Volume 2018, Issue 12, pp. 1 - 24

We consider the possibility that the neutral-current B anomalies are due to radiative corrections generated by Yukawa interactions of quarks and leptons with...

Quark Masses and SM Parameters | Beyond Standard Model | Heavy Quark Physics | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | PHYSICS, PARTICLES & FIELDS | Couplings | Dark matter | Flavor (particle physics) | Leptons | Fermions | Electroweak model | Magnetic moments | Scalars | Quarks | Anomalies | Symmetry | Physics - High Energy Physics - Phenomenology

Quark Masses and SM Parameters | Beyond Standard Model | Heavy Quark Physics | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | PHYSICS, PARTICLES & FIELDS | Couplings | Dark matter | Flavor (particle physics) | Leptons | Fermions | Electroweak model | Magnetic moments | Scalars | Quarks | Anomalies | Symmetry | Physics - High Energy Physics - Phenomenology

Journal Article

Physical Review Letters, ISSN 0031-9007, 10/2018, Volume 121, Issue 17

Using a data sample corresponding to an integrated luminosity of $2.93\text{ }\text{ }{\mathrm{fb}}^{{-}1}$ taken at a center-of-mass energy of 3.773 GeV with...

branching fraction | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | leptonic, semileptonic & radiative decays | flavor symmetries | lepton colliders | charmed mesons

branching fraction | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | leptonic, semileptonic & radiative decays | flavor symmetries | lepton colliders | charmed mesons

Journal Article

Journal of High Energy Physics, ISSN 1029-8479, 7/2019, Volume 2019, Issue 7, pp. 1 - 20

A properly defined and suitably broken U(2) flavour symmetry leads to successful quantitative relations between quark mass ratios and CKM angles. At the same...

Quark Masses and SM Parameters | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | TAU LEPTON | PHYSICS, PARTICLES & FIELDS | Analysis | Quarks | Mass ratios | Flavor (particle physics) | Leptons | Neutral currents | Anomalies

Quark Masses and SM Parameters | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | TAU LEPTON | PHYSICS, PARTICLES & FIELDS | Analysis | Quarks | Mass ratios | Flavor (particle physics) | Leptons | Neutral currents | Anomalies

Journal Article

Physical Review D, ISSN 2470-0010, 05/2016, Volume 93, Issue 9

We study rare four-body decays of the Z-boson involving at least one neutrino and one charged lepton. Large destructive interferences make these decays very...

NONSTANDARD INTERACTIONS | LIMITS | ASTRONOMY & ASTROPHYSICS | ELASTIC-SCATTERING | MAGNETIC-MOMENT | ELECTRON-NEUTRINO | PHYSICS, PARTICLES & FIELDS | Couplings | Gravitation | Leptons | Flavor (particle physics) | Neutrinos | Decay | Cosmology | Physics - High Energy Physics - Phenomenology

NONSTANDARD INTERACTIONS | LIMITS | ASTRONOMY & ASTROPHYSICS | ELASTIC-SCATTERING | MAGNETIC-MOMENT | ELECTRON-NEUTRINO | PHYSICS, PARTICLES & FIELDS | Couplings | Gravitation | Leptons | Flavor (particle physics) | Neutrinos | Decay | Cosmology | Physics - High Energy Physics - Phenomenology

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 1/2019, Volume 2019, Issue 1, pp. 1 - 26

We propose a novel strategy to test lepton flavor universality (LFU) in top decays, applicable to top pair production at colliders. Our proposal exploits...

Beyond Standard Model | Heavy Quark Physics | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | CHARGED HIGGS BOSONS | TEV | SEARCH | CROSS-SECTION | COLLISIONS | PHYSICS, PARTICLES & FIELDS | Flavor (particle physics) | Leptons | Dependence | Particle decay | Luminosity | Pair production | Quarks

Beyond Standard Model | Heavy Quark Physics | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | CHARGED HIGGS BOSONS | TEV | SEARCH | CROSS-SECTION | COLLISIONS | PHYSICS, PARTICLES & FIELDS | Flavor (particle physics) | Leptons | Dependence | Particle decay | Luminosity | Pair production | Quarks

Journal Article

The European Physical Journal C - Particles and Fields, ISSN 1434-6044, 09/2019, Volume 79, Issue 9, pp. 1 - 8

Radiative corrections to \[{B} \rightarrow {D} \ell {{\nu } _\ell } \] decays may have an impact on predictions and measurements of the lepton flavour...

Flavors | Photons | Leptons | Bias | Emission analysis | Photon emission

Flavors | Photons | Leptons | Bias | Emission analysis | Photon emission

Journal Article

International Journal of Theoretical Physics, ISSN 0020-7748, 8/2019, Volume 58, Issue 8, pp. 2664 - 2676

The decay modes of B meson consisting tau leptons as final state particle are seemed to be the key feature for searching new physics. As the experimental...

Theoretical, Mathematical and Computational Physics | Z ′ model | Standard model | Quantum Physics | Physics, general | B meson decays | Lepton flavor non-universality | Physics | Elementary Particles, Quantum Field Theory

Theoretical, Mathematical and Computational Physics | Z ′ model | Standard model | Quantum Physics | Physics, general | B meson decays | Lepton flavor non-universality | Physics | Elementary Particles, Quantum Field Theory

Journal Article