نتایج جستجو برای: nuclear decay

تعداد نتایج: 305989  

2017
Masaya Shimojima Shinsuke Yuasa Chikaaki Motoda Gakuto Yozu Toshihiro Nagai Shogo Ito Mark Lachmann Shin Kashimura Makoto Takei Dai Kusumoto Akira Kunitomi Nozomi Hayashiji Tomohisa Seki Shugo Tohyama Hisayuki Hashimoto Masaki Kodaira Toru Egashira Kenshi Hayashi Chiaki Nakanishi Kenji Sakata Masakazu Yamagishi Keiichi Fukuda

Alteration of the nuclear Ca2+ transient is an early event in cardiac remodeling. Regulation of the nuclear Ca2+ transient is partly independent of the cytosolic Ca2+ transient in cardiomyocytes. One nuclear membrane protein, emerin, is encoded by EMD, and an EMD mutation causes Emery-Dreifuss muscular dystrophy (EDMD). It remains unclear whether emerin is involved in nuclear Ca2+ homeostasis. ...

Ali Jamjour Gholamhassan Haddadi,

Introduction: Radon is a colorless inert gas which decay products are the main component of natural radioactive elements that are naturally produced in under layers of earth crust by decay of radium and uranium. It enters through buildings via gaps and cracks. Radon gas decay products like alpha particle can increase the incidence of lung cancer in human. Since every person sp...

Journal: :Physical review letters 2009
Vitali Averbukh Premysl Kolorenc

We predict that inner-shell ionization of more than one atom (or molecule) in a cluster, e.g., by intense free-electron laser radiation, can lead to an interatomic decay process in which the formed vacancy states decay simultaneously, while a neighboring neutral species is ionized. This collective decay phenomenon can be regarded as a transfer of two or more virtual photons from the ionized clu...

2003
J H Field

The phases of quantum interference effects in charged lepton production by neutrinos (neutrino oscillations) following pion decay at rest and in flight, muon decay and nuclear β−decay at rest as well as for ‘muon oscillations’ following pion decay at rest and in flight are calculated. The same phase is found for neutrino and muon oscillations following pion decay at rest. The results found disa...

Journal: :Physical review. C, Nuclear physics 1985
Vogel Fisher

The decay rate of the 2v double beta decay is calculated. The effects of pairing, static quadrupole deformation, spin-isospin polarization, and the .6.33 isobar admixtures on the nuclear matrix elements are studied and the relation of the 2v {3{3 rate and the {3and f3+ strength is stressed. In agreement with other calculations, we predict a faster decay rate than has been observed experimentall...

2012
Petr Vogel Fedor Šimkovic

A formal relation between the GT part of the nuclear matrix elements M0ν GT of 0νββ decay and the closure matrix elements M2ν cl of 2νββ decay is established. This relation is based on the integral representation of these quantities in terms of their dependence on the distance r between the two nucleons undergoing transformation. We also discuss the difficulties in determining the correct value...

2015
O. Civitarese J. Suhonen K. Zuber

The extension of the Standard Model of electroweak interactions, to accommodate massive neutrinos and/or right-handed currents, is one of the fundamental questions to answer in the cross-field of particle and nuclear physics. The consequences of such extensions would reflect upon nuclear decays, like the very exotic nuclear double-beta-decay, as well as upon high-energy proton-proton reactions ...

2008
L. Zhou J. Piekarewicz

We compute for the first time the decay width of Λ-hypernuclei in a rela-tivistic mean-field approximation to the Walecka model. Due to the small mass difference between the Λ-hyperon and its decay products—a nucleon and a pion—the mesonic component of the decay is strongly Pauli blocked in the nuclear medium. Thus, the in-medium decay becomes dominated by the non-mesonic, or two-body, componen...

1999
L. Zhou

We compute for the first time the decay width of Λ-hypernuclei in a relativistic mean-field approximation to the Walecka model. Due to the small mass difference between the Λ-hyperon and its decay products—a nucleon and a pion—the mesonic component of the decay is strongly Pauli blocked in the nuclear medium. Thus, the in-medium decay becomes dominated by the non-mesonic, or two-body, component...

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