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Recent developments on the understanding of low energy reactions are highlighted. Emphasis is given to the CDCC framework where the breakup channels of the projectile are included explicitly. Properties of the breakup couplings are…

Nuclear Theory · Physics 2009-11-11 F. M. Nunes , N. C. Summers , A. M. Moro , A. M. Mukhamedzhanov

A new parameterization of the antiproton inclusive production cross section in proton-proton and proton-nucleus collisions is proposed. A sample of consistent pA->pbar X$ experimental data sets measured on 1<A<208 nuclei, from 12 GeV up to…

Astrophysics · Physics 2009-11-07 R. P. Duperray , C. -Y. Huang , K. V. Protasov , M. Buenerd

The hypernucleus production reaction $\bar p + {}^AZ \to {}^A_\Lambda(Z-1) + \bar{\Lambda}$ in the beam momentum range 1.5-20 GeV/c is addressed theoretically as a coherent process. The calculations are based on a covariant $t$-channel…

Nuclear Theory · Physics 2017-03-14 A. B. Larionov , H. Lenske

Free electrons are essential in such diverse applications as electron microscopes, accelerators, and photo-emission spectroscopy. Often, space charge effects of many electrons are a nuisance. Confined to extremely small space-time…

Strongly Correlated Electrons · Physics 2022-09-27 Stefan Meier , Jonas Heimerl , Peter Hommelhoff

The influence of Coulomb interaction on the phenomenon of "optical" spin rotation of negatively charged particles (antiprotons, etc.) moving in matter with polarized nuclei is considered. It is shown that because the density of the…

Nuclear Theory · Physics 2012-04-16 V. G. Baryshevsky

A measurement of total cross-section values of the $^{130}$Ba(p,$\gamma$)$^{131}$La reaction at low proton energies allows a stringent test of statistical model predictions with different proton+nucleus optical model potentials. Since no…

Nuclear Experiment · Physics 2014-09-30 L. Netterdon , A. Endres , G. G. Kiss , J. Mayer , T. Rauscher , P. Scholz , K. Sonnabend , Zs. Török , A. Zilges

The total nuclear reaction cross-section is calculated considering with and without medium effect by employing Coulomb Modified Glauber Model (CMGM) for interactions of projectiles 56^Fe_26, 84^Kr_36, 132^Xe_54, 197^Au_79 and 238^U_92 with…

Nuclear Experiment · Physics 2017-07-03 N. Marimuthu , V. Singh , S. S. R. Inbanathan

We measured the triple coincidence A(e,e'np) and A(e,e'pp) reactions on carbon, aluminum, iron, and lead targets at Q2 > 1.5 (GeV/c)2, xB > 1.1 and missing momentum > 400 MeV/c. This was the first direct measurement of both proton-proton…

We review some salient aspects of calculations of the neutrino-nucleus reaction cross sections in the low energy range (1-100 MeV).

Nuclear Theory · Physics 2009-11-11 K. Kubodera , S. Nakamura , T. Sato

We calculate the subthreshold production of antiprotons in the Lorentz-covariant RBUU approach employing a weighted testparticle method to treat the antiproton propagation and absorption nonperturbatively. We find that the pbar differential…

Nuclear Theory · Physics 2009-09-25 Stefan Teis , Wolfgang Cassing , Tomoyuki Maruyama , Ulrich Mosel

The Giessen Boltzmann-Uehling-Uhlenbeck transport model with relativistic mean fields is used to simulate $\bar p$-nucleus collisions. Antiproton absorption cross sections and momentum distributions of annihilation products are calculated…

Nuclear Theory · Physics 2009-09-01 A. B. Larionov , I. A. Pshenichnov , I. N. Mishustin , W. Greiner

Comparative assessment of the total breakup proton-emission cross sections measured for 56 MeV deuteron interaction with target nuclei from $^{12}$C to $^{209}$Bi, with an empirical parametrization and recently calculated microscopic…

Nuclear Theory · Physics 2017-02-22 M. Avrigeanu , V. Avrigeanu

The applicability of Coulomb dissociation reactions to determine the cross section for the inverse neutron capture reaction was explored using the reaction 8Li(gamma,n)7Li. A 69.5 MeV/nucleon 8Li beam was incident on a Pb target, and the…

The general properties of antiproton-proton annihilation at rest are presented, with special focus on the two-meson final states. The data exhibit remarkable dynamical selection rules : some allowed annihilation modes are suppressed by one…

High Energy Physics - Experiment · Physics 2016-08-31 E. Klempt , C. Batty , J. -M. Richard

An essential part of experimental program at the future Electron Ion Collider is the study of the nuclear structure and dynamics at low $x$. DIS at low $x$ is characterized by large longitudinal coherence length that by far exceeds radii of…

High Energy Physics - Phenomenology · Physics 2015-07-08 Kirill Tuchin

Measurement of fusion cross sections for the 6,7Li + 24Mg reactions by the characteristic gamma-ray method has been done at energies from below to well above the respective Coulomb barriers. The fusion cross sections obtained from these…

Antiquark nuggets are hypothetical compact composite objects conjectured to account for a significant fraction of dark matter in the Universe. In contrast to quark nuggets, these objects consist of antimatter. They may remain undetected if…

High Energy Physics - Phenomenology · Physics 2025-01-13 V. V. Flambaum , I. B. Samsonov , G. K. Vong

Differential and angle-integrated cross sections for the $^{10}$B($n, {\alpha}$)$^{7}$Li, $^{10}$B($n, {\alpha}$$_{0}$)$^{7}$Li and $^{10}$B($n, {\alpha}$$_{1}$)$^{7}$Li$^{*}$ reactions have been measured at CSNS Back-n white neutron…

Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral $B\bar B$ and $B^*\bar B^*$ pairs in $e^+e^-$ annihilation. It is shown that the difference…

High Energy Physics - Phenomenology · Physics 2022-10-11 A. E. Bondar , A. I. Milstein , R. V. Mizuk , S. G. Salnikov

Pontecorvo reactions are rare antinucleon annihilation processes that are forbidden on free nucleons but allowed on nucleons bound within nuclei. The interest in studying this phenomenon lies in its potential to provide insights into the…

Instrumentation and Detectors · Physics 2025-01-22 Luca Venturelli
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