A5022657021- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Quantum Chromodynamics and Particle Interactions
- Black Holes and Theoretical Physics
- Computational Physics and Python Applications
- High-Energy Particle Collisions Research
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Particle Accelerators and Free-Electron Lasers
- Atomic and Subatomic Physics Research
- Noncommutative and Quantum Gravity Theories
- International Science and Diplomacy
- Particle accelerators and beam dynamics
- Relativity and Gravitational Theory
- Distributed and Parallel Computing Systems
- Superconducting Materials and Applications
- Nuclear physics research studies
- Earth Systems and Cosmic Evolution
- Big Data Technologies and Applications
- Solar and Space Plasma Dynamics
- Nonlinear Waves and Solitons
- Radiation Therapy and Dosimetry
- Space Science and Extraterrestrial Life
Istituto Nazionale di Fisica Nucleare, Sezione di Padova
2011-2025
University of Padua
2012-2025
Istituto Nazionale di Fisica Nucleare
1984-2015
Max Planck Institute for Physics
1981-2012
Universitat de València
2012
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2012
University of Turin
2008
National Institute for Astrophysics
2008
Korea Institute of Atmospheric Prediction Systems
2005
University of California, Berkeley
2003
We discuss muon and electron lepton-number nonconservation due to renormalization effects of the scalar-lepton mass matrix in spontaneously broken $N=1$ supergravity theories. Differently from case massless or Dirac neutrinos, we find that if neutrinos are Majorana particles a "seesaw" scheme couplings photino-lepton-scalar-lepton lead sizable rates for processes $\ensuremath{\mu}\ensuremath{\rightarrow}e\ensuremath{\gamma}$...
This chapter of the report "Flavor in era LHC" Workshop discusses theoretical, phenomenological and experimental issues related to flavor phenomena charged lepton sector conserving CP-violating processes. We review current limits main theoretical models for structure fundamental particles. analyze consequences available data, setting constraints on explicit beyond standard model, presenting benchmarks discovery potential forthcoming measurements both at LHC low energy, exploring options...
We study the b\ensuremath{\rightarrow}s\ensuremath{\gamma} decay. show that QCD corrections enhance by more than an order of magnitude prediction for B(b\ensuremath{\rightarrow}s\ensuremath{\gamma}), ${m}_{t}$${m}_{W}$. The implications standard model with three generations and possible experimental signatures in inclusive exclusive modes are discussed.
An extraordinarily rich zoo of non-baryonic dark matter candidates has been proposed over the last three decades. Here we present a ten-point test that new particle to pass in order be considered viable DM candidate. (I) Does it match appropriate relic density? (II) Is cold? (III) neutral? (IV) consistent with BBN? (V) leave stellar evolution unchanged? (VI) compatible constraints on self-interactions? (VII) direct searches? (VIII) gamma-ray constraints? (IX) other astrophysical bounds? (X)...
Contributions of a spin-0 axionlike particle (ALP) to lepton dipole moments, $g\ensuremath{-}2$ and EDMs are examined. Barr-Zee light-by-light loop effects from light pseudoscalar ALP found be capable resolving the longstanding muon discrepancy at expense relatively large $\mathrm{ALP}\text{\ensuremath{-}}\ensuremath{\gamma}\ensuremath{\gamma}$ couplings. The compatibility such couplings with direct experimental constraints perturbative unitarity bounds is discussed. Future tests scenario...
The present unitarity triangle fit, whose essential input is represented by the $\stackrel{\ensuremath{\rightarrow}}{s}d$ and $\stackrel{\ensuremath{\rightarrow}}{b}d$ transition processes, fully agrees with SM. However, most of phenomena involving $\stackrel{\ensuremath{\rightarrow}}{b}s$ transitions are still largely unexplored hence phenomenology constitutes a place for new physics manifestations, in spite tremendous experimental theoretical progress on...
Scalar-tensor theories of gravity provide a consistent framework to accommodate an ultralight quintessence scalar field. While the equivalence principle is respected by construction, deviations from general relativity and standard cosmology may show up at nucleosynthesis, cosmic microwave background, solar system tests gravity. After imposing all bounds coming these observations, we consider expansion rate Universe weakly interacting massive particle decoupling, showing that it can lead...
We show that in see-saw models of neutrino mass a la SUSY SO(10), the observed large mixing atmospheric neutrinos naturally leads to b-s transitions. If associated new CP phase turns out be large, this contributions can drastically affect violation some B decay channels yielding beta and gamma angles unitarity triangle. They even produce sizeable asymmetries modes which are not violating standard model context. Hence makes observations low energy effect potentially promising spite agreement...
We analyze the complementarity between lepton flavor violation (LFV) and LHC experiments in probing supersymmetric (SUSY) grand unified theories (GUT) when neutrinos get a mass via seesaw mechanism. Our analysis is performed an SO(10) framework, where at least one neutrino Yukawa coupling necessarily as large top coupling. study thoroughly takes into account whole renormalization group running, including GUT right-handed scales, well running of observable spectrum. find that upcoming (MEG,...
We propose a scheme where the three relevant physics scales related to supersymmetry, electroweak, and baryon minus lepton (B−L) breakings are linked together occur at TeV scale. The phenomenological implications in Higgs leptonic sectors discussed.
Supersymmetric contributions to ${\ensuremath{\epsilon}}^{\ensuremath{'}}/\ensuremath{\epsilon}$ have been generally regarded as small. We point out, however, that this is based on specific assumptions, such universal scalar mass, and in general need not be true. Based (1) hierarchical quark Yukawa matrices protected by flavor symmetry, (2) generic dependence of Polonyi/moduli fields expected many supergravity/superstring theories, (3) Cabibbo rotation originating from the down-sector, (4)...
Recent data point in the direction of a cosmological constant dominated universe. We investigate role supersymmetric QCD with ${N}_{f}<{N}_{c}$ as possible candidate for dynamical (``quintessence''). When ${N}_{f}>1,$ multiscalar dynamics is fully taken into account, showing that certain degree flavor symmetry initial conditions necessary order to attain required late-time ``tracking'' attractor behavior. A solution problem long-range interactions gravitational strength proposed....