Results 11 to 20 of about 799,529 (302)
Early decay of Peccei–Quinn fermion and the IceCube neutrino events [PDF]
Physics Letters B, 2016 IceCube observed high-energy neutrino flux in the energy region from TeV to PeV. The decay of a massive long-lived particle in the early universe can be the origin of the IceCube neutrino events, which we call an “early decay scenario.” In this paper, we
Yohei Ema, Takeo Moroi
doaj +4 more sources
SUSY Decays of Higgs Particles [PDF]
Phys.Lett. B376 (1996) 220-226, 1996 Among the possible decay modes of Higgs particles into supersymmetric states, neutralino and chargino decays play a prominent r\^ole. The experimental opportunities of observing such decay modes at LEP2 and at future e+e- linear colliders are analyzed within the frame of the Minimal Supersymmetric extension of the Standard Model.
A. Djouadi +22 more
arxiv +6 more sources
Shannon entropy and particle decays [PDF]
Nuclear Physics B, 2018 We deploy Shannon's information entropy to the distribution of branching fractions in a particle decay. This serves to quantify how important a given new reported decay channel is, from the point of view of the information that it adds to the already ...
Pedro Carrasco Millán +4 more
doaj +6 more sources
Search for the Invisibly Decaying Higgs Particle at LEP and the LHC [PDF]
arXiv, 1994 The Higgs particle can have dominantly invisible decay in a large class of Majoron models as well as some SUSY models. The LEP signal and mass limit for a Higgs particle undergoing invisible decay are explored. They are found to be very similar to those for the standard model decay.
Roy, D. P.
arxiv +3 more sources
General properties of the decay amplitudes for massless particles [PDF]
, 1996 We derive the kinematical constraints which characterize the decay of any massless particle in flat spacetime. We show that in perturbation theory the decay probabilities of photons and Yang-Mills bosons vanish to all orders; the decay probability of the
Gaetano Fiore, Giovanni Modanese
openalex +4 more sources
Mapping the allowed parameter space for decaying dark matter models [PDF]
, 2010 I consider constraints on a phenomenological decaying-dark-matter model, in which two weakly-interacting massive particle (WIMP) species have a small mass splitting, and in which the heavier particle decays to the lighter particle and a massless particle
A. G. Doroshkevich +6 more
core +2 more sources
Experimental Study on the Natural Deposition Characteristics of Erosols in Containment
Frontiers in Energy Research, 2020 Against the background of the natural deposition of erosols in containment under severe accident conditions, a relevant experimental facility was designed and constructed to study the decay constant of the natural deposition of erosols.
Lin Tao Tian +3 more
doaj +1 more source
Particle decay in expanding Friedmann-Robertson-Walker universes [PDF]
Phys. Rev. D 98, 045010 (2018), 2018 The lack of energy conservation introduces new particle processes in curved spacetime that are forbidden in flat space. Therefore one has to be very cautious about using the results calculated in Minkowskian space in early universe applications. This is true for particle decay rates in particular, which need to be calculated using quantum field theory ...
arxiv +1 more source
Time Evolution of Unstable Particle Decay Seen with Finite Resolution [PDF]
Phys.Rev. D58 (1998) 045004, 1997 Time evolution of the decay process of unstable particles is investigated in field theory models. We first formulate how to renormalize the non-decay amplitude beyond perturbation theory and then discuss short-time behavior of very long-lived particles.
arxiv +1 more source
Effects of deformation on the beta-decay patterns of light even-even and odd-mass Hg and Pt isotopes [PDF]
, 2015 Bulk and decay properties, including deformation energy curves, charge mean square radii, Gamow-Teller (GT) strength distributions, and beta-decay half-lives, are studied in neutron-deficient even-even and odd-A Hg and Pt isotopes.
Boillos, J. M., Sarriguren, P.
core +2 more sources