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Related papers: Nuclear annihilation by antinucleons

200 papers

All possible dissociation cross sections for the loosely bound three-body halo nuclei $^6$He (n+n+$\alpha$) and $^{11}$Li (n+n+$^{9}$Li) are computed as functions of target and beam energy. Both Coulomb and nuclear interactions are included…

Nuclear Theory · Physics 2009-11-06 E. Garrido , D. V. Fedorov , A. S. Jensen

We set up a plane wave impulse approximation (PWIA) formalism for the analysis of the annihilation cross sections of antinucleons on nuclear targets at very low momenta (below 100 MeV/c), where semiclassical approximations can't be applied.…

Nuclear Theory · Physics 2007-05-23 A. Bianconi , G. Bonomi , E. Lodi Rizzini , L. Venturelli , A. Zenoni

Antiproton-nucleon ($\bar{p}N$) total cross sections are typically 3-4 times larger than the $NN$ ones at incident energies from a few hundreds to thousands MeV. We investigate antiproton-nucleus scattering as it could work as a probe of…

Nuclear Theory · Physics 2020-10-28 K. Makiguchi , W. Horiuchi , A. Kohama

We carry out realistic coupled-channels calculations for $^{11}$Be + $^{208}$Pb reaction in order to discuss the effects of break-up of the projectile nucleus on sub-barrier fusion. We discretize in energy the particle continuum states,…

Nuclear Theory · Physics 2016-09-08 K. Hagino , A. Vitturi , C. H. Dasso , S. M. Lenzi

A study of high energy (43--68 MeV/nucleon) one-neutron removal reactions on a range of neutron-rich psd-shell nuclei (Z = 5--9, A = 12--25) has been undertaken. The inclusive longitudinal and transverse momentum distributions for the core…

Nuclear Experiment · Physics 2009-11-10 E. Sauvan , F. Carstoiu , N. A. Orr

An analysis of the Coulombic amplitude and its interference with the nuclear amplitude which is driven by the three-component Pomeron is presented. It is shown that different approaches towards the Coulomb phase evaluation give…

High Energy Physics - Phenomenology · Physics 2011-09-13 V. A. Petrov , E. Predazzi , A. Prokudin

The total neutron-Nucleus cross section has been calculated within an approach which takes into account nucleon-nucleon correlations, Glauber multiple scattering and inelastic shadowing corrections. Nuclear targets ranging from 4He to 208Pb…

Nuclear Theory · Physics 2007-05-25 M. Alvioli , C. Ciofi degli Atti , I. Marchino , H. Morita , V. Palli

We investigate the role of the Coulomb interaction on the liquid-gas phase transition of nuclear matter with three different values of proton fraction ($Y_p$=0.5,0.3 and 0.1), relevant for heavy-ion physics as well as various astrophysical…

Nuclear Theory · Physics 2017-06-14 Rana Nandi , Stefan Schramm

We study the energy dependence of the cross sections for nucleon removal of 8B projectiles. It is shown that the Glauber model calculations with nucleon-nucleon t-matrix reproduce well the energy dependence of the breakup cross sections of…

Nuclear Theory · Physics 2008-11-26 C. A. Bertulani , P. Lotti , H. Sagawa

We investigate the nuclear and the Coulomb contributions to the breakup cross sections of $^6$Li in collisions with targets in different mass ranges. Comparing cross sections for different targets at collision energies corresponding to the…

Nuclear Theory · Physics 2017-03-23 M. S. Hussein , P. R. S. Gomes , J. Lubian , D. R. Otomar , L. F. Canto

Nuclear and Coulomb breakup of halo nuclei have been treated often as incoherent processes and structure information have been extracted from their study. The aim of this paper is to clarify whether interference effects and Coulomb-nuclear…

Nuclear Theory · Physics 2009-11-07 J. Margueron , A. Bonaccorso , D. M. Brink

The mechanism of the Coulomb breakup reactions of the nuclei with neutron-halo structure is investigated in detail. A time-dependent Schr\"odinger equation for the halo neutron is numerically solved by treating the Coulomb field of a target…

Nuclear Theory · Physics 2009-09-25 T. Kido , K. Yabana , Y. Suzuki

Fusion reactions with a weakly bound projectile are studied using the double-folding model along with a repulsive interaction modifying term. Using this modified potential, including nuclear matter incompressibility effects, the fusion…

Nuclear Theory · Physics 2015-01-20 S. A. Seyyedi , H. Golnarkar

This paper gives new insight to the study of dynamical effects in proton breakup as compared to neutron breakup from a weakly bound state in an exotic nucleus. Following our recent work [Ravinder Kumar and Angela Bonaccorso, Phys. Rev. C84…

Nuclear Theory · Physics 2015-06-12 Ravinder Kumar , Angela Bonaccorso

We discuss the single-quantum positron annihilation with a bound electron in the near threshold region. The angular distribution and the total cross section are considered. We obtain a simple analytical expression for the Coulomb potential…

High Energy Physics - Phenomenology · Physics 2025-01-28 Peter. A. Krachkov , Simon. V. Sorokin

Theoretical calculations are performed to investigate the angular momentum and Coulomb effects on fragmentation and multifragmentation in peripheral heavy-ion collisions at Fermi energies. Inhomogeneous distributions of hot fragments in the…

Nuclear Theory · Physics 2014-08-14 A. Ergun , H. Imal , N. Buyukcizmeci , R. Ogul , A. S. Botvina

We study dynamical effects in proton breakup from a weakly bound state in an exotic nucleus on a heavy target. The Coulomb interactions between the proton and the core and the proton and the target are treated to all orders, including also…

Nuclear Theory · Physics 2011-08-22 Ravinder Kumar , Angela Bonaccorso

Collisions of antiprotons with He-, Ne-, Ni-like, bare, and neutral uranium are studied theoretically for scattering angles close to 180$^{\circ}$ and antiproton energies with the interval 100 eV -- 10 keV. We investigate the Coulomb glory…

Atomic Physics · Physics 2009-11-13 A. V. Maiorova , D. A. Telnov , V. M. Shabaev , I. I. Tupitsyn , G. Plunien , T. Stöhlker

Exothermal nuclear reactions which become forbidden due to Coulomb repulsion in the\ $\varepsilon \rightarrow 0$ limit ($\lim_{\varepsilon \rightarrow 0}\sigma \left( \varepsilon \right) =0$) are investigated. ($\sigma \left( \varepsilon…

General Physics · Physics 2019-05-29 Péter Kálmán , Tamás Keszthelyi

Momentum and angular distributions of charged meson pairs $h^+h^-$ ($h=\pi, K$) from elementary atoms (EA) breakup (ionization) in the Coulomb field of a target atom is considered in the Born and Glauber approximations. Exploiting the fact…

High Energy Physics - Phenomenology · Physics 2020-01-29 L. G. Afanasyev , S. R. Gevorkyan , O. O. Voskresenskaya