نتایج جستجو برای: fusion reaction
تعداد نتایج: 527586 فیلتر نتایج به سال:
We discuss the role of deformation target nucleus in fusion reaction $^{15}\mathrm{C}+^{232}\mathrm{Th}$ system at energies around Coulomb barrier, which $^{15}\mathrm{C}$ is a well-known one-neutron halo nucleus. To this end, we construct potential between and $^{232}\mathrm{Th}$ with double folding procedure, assuming that projectile composed core nucleus, $^{14}\mathrm{C}$, valence neutron. ...
L. R. Gasques,1 A. V. Afanasjev,1 E. F. Aguilera,2 M. Beard,1 L. C. Chamon,3 P. Ring,4 M. Wiescher,1 and D. G. Yakovlev5 1Department of Physics & The Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame, Indiana 46556 USA 2Departamento del Accelerador, Instituto Nacional de Investigaciones Nucleares, A.P. 18-1027, C.P. 11801, Destrito Federal, Mexico 3Departamento de F...
We discuss several open problems of fusion reactions induced by weakly bound nuclei. For this purpose, we solve a one dimensional three-body Hamiltonian with the coupled-channels formalism. We show that the continuum-continuum couplings substantially reduce the total fusion probability at energies above the barrier compared with the no-breakup case, although the fusion probability remains enhan...
MOTIVATION RNA-Seq provides a powerful approach to carry out ab initio investigation of fusion transcripts representing critical translocation and post-transcriptional events that recode hereditary information. Most of the existing computational fusion detection tools are challenged by the issues of accuracy and how to handle multiple mappings. RESULTS We present a novel tool SOAPfusion for f...
When Pisaster, Asterias, or Thyone sperm are treated with the ionophore A23187 or X537A, an acrosomal reaction similar but not identical to a normal acrosomal reaction is induced in all the sperm. Based upon the response of the sperm, the acrosomal reaction consists of a series of temporally related steps. These include the fusion of the acrosomal vacuole with the cell surface, the polymerizati...
Soluble N-ethylmalameide-sensitive factor attachment protein receptor (SNARE) proteins are present in mammalian sperm and could be involved in critical membrane fusion events during fertilization, namely the acrosome reaction. Vesicle-associated membrane protein/synaptobrevin, a SNARE on the membrane of a vesicular carrier, and syntaxin 1, a SNARE on the target membrane, as well as the calcium ...
SNARE-complex assembly mediates synaptic vesicle fusion during neurotransmitter release and requires that the target-SNARE protein syntaxin-1 switches from a closed to an open conformation. Although many SNARE proteins are available per vesicle, only one to three SNARE complexes are minimally needed for a fusion reaction. Here, we use high-resolution measurements of synaptic transmission in the...
We analyze the effect of plasma screening on nuclear reaction rates in dense matter composed of atomic nuclei of one or two types. We perform semiclassical calculations of the Coulomb barrier penetrability taking into account a radial mean-field potential of plasma ions. The mean-field potential is extracted from the results of extensive Monte Carlo calculations of radial pair distribution func...
Phase reconstructions from a two-dimensional shearing inter-ferometer, based on two orthogonal phase gratings in a single plane, and a Hartmann sensor are compared. Design alternatives for both wavefront sensors are given, and simulated performance of both the two-dimensional x-ray shearing interferometer and Hartmann wavefront sensor are presented for two different phase profiles. The first co...
W. Loveland, D. Peterson, A. M. Vinodkumar, P.H.Sprunger , D. Shapira, J. F. Liang, G.A. Souliotis ,D.J. Morrissey , and P. Lofy 5 Dept. of Chemistry, Oregon State University, Corvallis, OR,97331. Physics Division, Argonne National Laboratory, Argonne, Il 60439 Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN and National Superconducting Cyclotron Laboratory, Michigan State Univer...
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