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Related papers: Decay of low-lying 12C resonances within a 3alpha …

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A generalized two-center cluster model (GTCM), including various partitions of the valence nucleons around two alpha-cores, is proposed for studies on the exotic cluster structures of Be isotopes. This model is applied to the 10Be = alpha +…

Nuclear Theory · Physics 2009-11-10 M. Ito , K. Kato , K. Ikeda

A continuum-RPA-based approach is applied to describe the decay properties of isolated dipole isobaric analog resonances in nuclei having not-too-large neutron excess. Calculated for a few resonances in 90Zr the elastic E1-radiative width…

Nuclear Theory · Physics 2007-05-23 M. L. Gorelik , I. V. Safonov , M. H. Urin

In this paper, We find that the angular distribution of two-body decay and scattering process that can be studied by introducing the helicity method.It has been argued that the angular distribution only depends on magnitude of the decaying…

High Energy Physics - Phenomenology · Physics 2022-07-06 Hang Chen

It is shown, that the exponential decrease of the energy spectra of the fragments with growing its energy, which does not depend from the fragment type, targets, projectiles and projectile energies, and which sometimes accompanied slight…

Nuclear Theory · Physics 2019-02-13 S. A. Omelchenko , V. S. Olkhovsky

We provide succinct covariant amplitude decompositions of 2-body weak hadronic decays, with which to compare data, including exclusive rates, helicity amplitudes and polarizations. For weak decays, the systematic dependence of these…

High Energy Physics - Phenomenology · Physics 2008-11-26 R Delbourgo , Dongsheng Liu

The $\alpha$--$\alpha$ differential cross sections are analyzed in the optical model using a double--folded potential. With the knowledge of this potential bound and resonance--state properties of $\alpha$--cluster states in $^{8}$Be and…

Nuclear Theory · Physics 2016-09-08 P. Mohr , H. Abele , V. Kölle , G. Staudt , H. Oberhummer , H. Krauss

The $\alpha$--$\alpha$ differential cross sections are analyzed in the optical model using a double--folded potential. With the knowledge of this potential bound and resonance--state properties of $\alpha$--cluster states in $^{8}$Be and…

Astrophysics · Physics 2015-06-24 P. Mohr , H. Abele , V. Kölle , G. Staudt , H. Oberhummer , H. Krauss

We compute the final kinetic energies of the fragments emitted in the light charged particle accompanied cold fission of $^{252}$Cf taking into account the ground state quadrupole deformation and the finite-size effects of the fragments and…

Nuclear Theory · Physics 2007-05-23 Serban Misicu , A. Sandulescu , F. Carstoiu , M. Rizea , W. Greiner

We calculate the full density response function, and from it the long-wavelength acoustic dispersion for a two-dimensional system of strongly coupled point dipoles interacting through a 1/r^3 potential at arbitrary degeneracy. Such a system…

Other Condensed Matter · Physics 2009-11-13 Kenneth I. Golden , Gabor J. Kalman , Zoltan Donko , Peter Hartmann

The light weakly-bound nucleus $^7$Li is studied within a dicluster $\alpha+t$ picture. Different observables obtained within our simple model are compared with previous calculations and experiments showing good agreement. In particular we…

Nuclear Theory · Physics 2007-05-23 Lorenzo Fortunato , Andrea Vitturi

The aim of this paper is to establish the decay estimate for the fractional wave equation semigroup on H-type groups given by $e^{it\Delta^\alpha}$, $0<\alpha<1$. Combing the dispersive estimate and a standard duality argument, we also…

Functional Analysis · Mathematics 2016-08-30 Manli Song

The role of triangle mechanism in the decay process $J/\psi \to K^- K^+ a_1(1260)$ is probed. In this mechanism, a close-up resonance with mass $1823$ MeV and width $122$ MeV decays into $K^* \phi, K^* \to K \pi$ and then $K^* \bar{K}$…

High Energy Physics - Phenomenology · Physics 2021-11-03 Xuan Luo , Dazhuang He , Yiling Xie , Hao Sun

The photoluminescence in amorphous semiconductors decays according to power law $t^{-delta}$ at long times. The photoluminescence is controlled by dispersive transport of electrons. The latter is usually characterized by the power $alpha$…

Statistical Mechanics · Physics 2009-11-11 Kazuhiko Seki , Mariusz Wojcik , M. Tachiya

Resonance plays critical roles in the formation of many physical phenomena, and several methods have been developed for the exploration of resonance. In this work, we propose a new scheme for resonance by solving the Dirac equation in…

Nuclear Theory · Physics 2016-08-16 Niu Li , Min Shi , Jian-You Guo , Zhong-Ming Niu , Haozhao Liang

In this paper, we study the three-body decays $B^0/B^0_s \to \eta_c f_0(X)\to \eta_c \pi^+\pi^-$ by employing the perturbative QCD (PQCD) factorization approach. We evaluate the $S$-wave resonance contributions by using the two-pion…

High Energy Physics - Phenomenology · Physics 2017-01-04 Ya Li , Ai-Jun Ma , Wen-Fei Wang , Zhen-Jun Xiao

In order to discuss the spatial extention of the second 0+ state of 12C (Hoyle state), we analyze the inelastic form factor of electron scattering to the Hoyle state, which our 3 alpha condensate wave function reproduces very well like…

Nuclear Theory · Physics 2009-11-11 Y. Funaki , A. Tohsaki , H. Horiuchi , P. Schuck , G. Roepke

We interest to investigate of the three-body decays of $B^{0}$ meson to $ \phi\pi^+\pi^- $ and $B_s^{0}$ meson to $ \phi \pi^{+}\pi^{-}$. Hadronic three-body decays include both nonresonant and resonant contributions, on the basis of the…

High Energy Physics - Phenomenology · Physics 2019-12-06 T. Estabar , H. Mehraban

We calculate the differential branching fraction, lepton forward-backward asymmetry and direct CP asymmetry for $B_{d,s}\to\gamma\ell\bar{\ell}$ decays with an energetic photon. We employ factorization methods, which result in rigorous…

High Energy Physics - Phenomenology · Physics 2021-03-19 Martin Beneke , Christoph Bobeth , Yu-Ming Wang

The photoluminescence decay in amorphous semiconductors is described by power law $t^{-delta}$ at long times. The power-law decay of photoluminescence at long times is commonly observed but recent experiments have revealed that the…

Materials Science · Physics 2009-11-11 Kazuhiko Seki , K. Murayama , M. Tachiya

Oscillons are extremely long-lived, spatially-localized field configurations in real-valued scalar field theories that slowly lose energy via radiation of scalar waves. Before their eventual demise, oscillons can pass through (one or more)…

High Energy Physics - Theory · Physics 2020-08-05 Hong-Yi Zhang , Mustafa A. Amin , Edmund J. Copeland , Paul M. Saffin , Kaloian D. Lozanov
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