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相关论文: The optical potential of $^{6}$He in the eikonal a…

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Relativistic corrections to the reaction kinematic parameters were made for elastic scattering of \nuc{6}{Li}, \nuc{12}{C} and \nuc{40}{Ar} from \nuc{40}{Ca}, \nuc{90}{Zr}, and \nuc{208}{Pb} targets at incident energies between 20 and 100…

核实验 · 物理学 2018-10-02 Pang Dan-Yang

A comparison between full few-body Faddeev/Alt-Grassberger-Sandhas (Faddeev/AGS) and continuum-discretized coupled channels (CDCC) calculations is made for the resonant and nonresonant breakup of $^{11}$Be on proton target at 63.7 MeV/u…

核理论 · 物理学 2010-04-06 E. Cravo , R. Crespo , A. M. Moro , A. Deltuva

A broad excited state was observed in 6-He with energy E_x = 5 +/- 1 MeV and width Gamma = 3 +/- 1 MeV, following the reaction Li-7(gamma,p)He-6. The state is consistent with a number of broad resonances predicted by recent cluster model…

We investigate the breakup of the one-neutron halo nuclei 11Be and 19C within a dynamical model of the continuum excitation of the projectile. The time evolution of the projectile in coordinate space is described by solving the…

核理论 · 物理学 2009-11-07 S. Typel , R. Shyam

The two--neutron separation energy of $^6$He has been reproduced for the first time in a realistic parameter--free microscopic multicluster model comprising the $\alpha +n+n$ and $t+t$ clusterizations, with $\alpha$ cluster breathing…

核理论 · 物理学 2008-11-26 Attila Csoto

The microscopic eikonal phase shifts with its first and second corrections for pi nucleus collision are calculated by using the expression previously derived for the local Kisslinger potential. A physical description to different forms of…

核理论 · 物理学 2022-03-15 N. A. Elmahdy , A. Y. Ellithi , A. SH. Ghazal , Z. Metawei , M. Y. M. Hassan

Ultra high energy photons play an important role as an independent probe of the photo-pion production mechanism by UHE cosmic rays. Their observation, or non-observation, may constrain astrophysical scenarios for the origin of UHECRs and…

高能天体物理现象 · 物理学 2015-06-16 Mariangela Settimo , Manlio De Domenico

Role of different continuum components in the weakly bound nucleus 6He is studied by coupling unbound spd-waves of 5He by using simple pairing contact-delta interaction. The results show that 6He ground state $0^+$ displays collective…

核理论 · 物理学 2016-03-23 Jagjit Singh

Elastic $^{6}$He+$^4$He data measured at $E_{\rm c.m.}=11.6,$ 15.9, and 60.3 MeV have been analyzed within the coupled reaction channels (CRC) formalism, with the elastic-scattering and two-neutron ($2n$) transfer amplitudes coherently…

核理论 · 物理学 2009-11-10 Dao T. Khoa , W. von Oertzen

We solve the coordinate space Faddeev equations in the continuum. We employ hyperspherical coordinates and provide analytical expressions allowing easy computation of the effective potentials at distances much larger than the ranges of the…

核理论 · 物理学 2008-11-26 A. Cobis , D. V. Fedorov , A. S. Jensen

In this work, we study the elastic scattering of some light particles, such as $^2$H, $^3$H, $^3$He, and $^4$He, by heavy target nuclei with an extended Watanabe model, which uses as input the neutron-nucleus and proton-nucleus optical…

核理论 · 物理学 2023-07-26 J. López Moraña , X. Viñas

We predict pp elastic differential cross sections at LHC at c.m. energy 14 TeV and momentum transfer range |t| = 0 - 10 GeV*2 in a nucleon-structure model. In this model, the nucleon has an outer cloud of quark-antiquark condensed ground…

高能物理 - 唯象学 · 物理学 2007-08-10 M. M. Islam , J. Kaspar , R. J. Luddy

We present the first \emph{ab initio} calculation of elastic Compton scattering from 4He. It is carried out to $\mathcal{O}(e^2 \delta^3)$ [N3LO] in the $\delta$ expansion of $\chi$EFT. At this order and for this target, the only free…

The halo nuclei $^6$He and $^8$He are described in a consistent way in a microscopic multiconfiguration model, the refined resonating group method. The ground state properties have been calculated, and momentum distributions of fragments…

核理论 · 物理学 2007-05-23 J. Wurzer , H. M. Hofmann

There is a calculation of the differential cross sections of proton scattering on 13C and 15C nuclei at energy of 1 GeV with the shell model wave functions in the framework of the Glauber theory in the study. The single, double and triple…

核理论 · 物理学 2016-05-20 M. A. Zhusupov , E. T. Ibraeva , R. S. Kabatayeva

The dissociation of halo nuclei through their collision with light and heavy targets is considered within the Continuum Discretized Coupled Channels theory. We study the one-proton halo nucleus $^8$B and the one-neutron halo nucleus…

核理论 · 物理学 2009-11-11 M. S. Hussein , R. Lichtenthäler , F. Nunes , I. J. Thompson

We use the three-body model and the sudden approximation to compute angular correlations in high-energy fragmentation reactions of two-neutron halos on light targets. The contribution from one-neutron absorption by far dominates over that…

核理论 · 物理学 2008-11-26 E. Garrido , D. V. Fedorov , A. S. Jensen

Based on an approach recently proposed by us, simultaneous $\chi^{2}$-analyses are performed for elastic scattering, direct reaction (DR) and fusion cross sections data for the $^{6}$He+$^{209}$Bi system at near-Coulomb-barrier energies to…

核理论 · 物理学 2009-11-07 B. T. Kim , W. Y. So , S. W. Hong , T. Udagawa

We formulate microscopic optical potentials for nucleon-nucleus scattering from chiral two- and three-nucleon forces. The real and imaginary central terms of the optical potentials are obtained from the nucleon self energy in infinite…

核理论 · 物理学 2019-10-24 T. R. Whitehead , Y. Lim , J. W. Holt

A set of global optical potential parameters, DA1p, for deuterons with the $1p$-shell nuclei is obtained by simultaneously fitting 67 sets of experimental data of deuteron elastic scattering from \nuc{6}{Li}, \nuc{9}{Be}, \nuc{10}{B},…

核实验 · 物理学 2016-08-24 Y. Zhang , D. Y. Pang , J. L. Lou
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