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Nuclear capture of antiprotons from atomic states is studied. Partial widths for single nucleon capture events leading to cold residual nuclei are calculated. Recent CERN experiments that compare the neutron and proton captures are…

Nuclear Theory · Physics 2008-11-26 S. Wycech , J. Skalski , R. Smolanczuk , J. Dobaczewski , J. R. Rook

The method for an experimental determination of the stellar enhancement factor for the cross section of the $^{151}$Sm$(n,\gamma)$ reaction process is proposed. This study offered the pretext for an excursus on the interconnections between…

Nuclear Theory · Physics 2009-11-11 Alberto Mengoni

Recent advances in the study of pd radiative capture in a wide range of center-of-mass energy below and above deuteron breakup threshold are presented and discussed.

Nuclear Theory · Physics 2014-11-18 L. E. Marcucci , M. Viviani , R. Schiavilla , A. Kievsky , S. Rosati

Reaction theory is an essential ingredient when performing studies of nuclei far from stability. One approach for the calculation of breakup reactions of exotic nuclei into two fragments is to consider inelastic excitations into the single…

Nuclear Theory · Physics 2009-11-11 A. M. Moro , F. M. Nunes

Background: The cross section for forming a heavy evaporation residue in fusion reactions depends on the capture cross section, the fusion probability, PCN, i.e., the probability that the projectile-target system will evolve inside the…

Nuclear Experiment · Physics 2013-06-18 R. Yanez , W. Loveland , J. S. Barrett , L. Yao , B. B. Back , S. Zhu , T. L. Khoo

We consider two basic nuclear reactions: Radiative capture of neutrons by protons, $n+p\to \gamma+~d$ and its time-reversed counterpart, photodisintegration of the deuteron, $\gamma +d\to n+p$. In both of these cases we assume that the…

Nuclear Theory · Physics 2018-05-09 Andrei Afanasev , Valery G. Serbo , Maria Solyanik

The muon capture on 3H leading to muonic neutrino and three neutrons in the final state is studied under full inclusion of final state interactions. Predictions for the three-body break-up of 3H are calculated with the AV18 potential,…

Nuclear Theory · Physics 2016-09-21 J. Golak , R. Skibinski , H. Witala , K. Topolnicki , H. Kamada , A. Nogga , L. E. Marcucci

The relativistic proton-neutron quasiparticle random phase approximation (PN-RQRPA) is applied in the calculation of total muon capture rates on a large set of nuclei from $^{12}$C to $^{244}$Pu, for which experimental values are available.…

Nuclear Theory · Physics 2009-06-30 T. Marketin , N. Paar , T. Niksic , D. Vretenar

Neutron capture cross sections of unstable isotopes are important for neutron induced nucleosynthesis as well as for technological applications. A combination of a radioactive beam facility, an ion storage ring and a high flux reactor would…

Nuclear Experiment · Physics 2014-01-14 René Reifarth , Yuri A. Litvinov

The hyperspherical adiabatic expansion is combined with complex scaling and used to calculate low-lying nuclear resonances of $^{12}$C in the $3\alpha$-model. We use Ali-Bodmer potentials and compare results for other potentials…

Nuclear Theory · Physics 2009-11-13 R. Alvarez-Rodriguez , E. Garrido , A. S. Jensen , D. V. Fedorov , H. O. U. Fynbo

A methodology for extracting neutron direct capture rates from Coulomb dissociation data is developed and applied to the Coulomb dissociation of 15C on 208Pb at 68 MeV/nucleon. Full Continuum Discretized Coupled Channel calculations are…

Nuclear Theory · Physics 2014-11-18 N. C. Summers , F. M. Nunes

The neutrino-nucleus reactions are studied at energies from 0 to 3 GeV, using the CRISP program. To simulate these reactions, CRISP uses the Monte Carlo method through an intranuclear cascade model. Quase-elastic and baryonic resonance…

Nuclear Theory · Physics 2022-04-06 R. Perez , A. Deppman , Evandro Andrade-II , A. R. Samana , F. G. Velasco , F. Guzmán

The manuscript is devoted to the description of the results obtained in the frame of the modified potential cluster model with the classification of states according to Young tableaux for neutron and proton radiative capture processes on 2H…

Nuclear Theory · Physics 2015-08-05 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov

Core-excitation effects in the scattering of two-body halo nuclei have been investigated in previous works. In particular, these effects have been found to affect in a significant way the breakup cross sections of neutron-halo nuclei with a…

Nuclear Theory · Physics 2017-04-26 R. de Diego , R. Crespo , A. M. Moro

Reactions involving the group of nuclei commonly known as p nuclei are part of the nucleosynthetic mechanisms at astrophysical sites. The $^{113}$In nucleus is such a case with several open questions regarding its origin at extreme stellar…

The $pd$ radiative capture reaction plays a vital role in Big Bang nucleosynthesis and stellar proton-proton chain. The study of the low-energy reaction is challenging in both experiments and theories. Using the framework of potential…

Nuclear Theory · Physics 2024-07-02 Nguyen Le Anh , Dao Nhut Anh , Do Huy Tho , Nguyen Huu Nha

The cross sections for the $^{12}\mathrm{C}(\gamma,\alpha)^{8}\mathrm{Be}\rightarrow 3\alpha$ reaction have been successfully measured using exclusive coincidence between three $\alpha$ particles, minimizing Compton background. Sequential…

We have reanalyzed reaction cross sections of 16N on 12C target. The nucleon density distribution of 16N, especially surface density distribution, was extracted using the modified Glauber model. On the basis of dilute surface densities, the…

Nuclear Theory · Physics 2017-01-04 Guang-wei Fan , Jun-bing Ma , Zong-qiang Sheng , Feng Tian , Jun Wang , Chao Zhang

Stellar abundances of cerium are of high current interest based both on observations and theoretical models, especially with regard to the neutron--magic $^{140}$Ce isotope. A large discrepancy of $s-$process stellar models relative to…

Nuclear Experiment · Physics 2024-06-26 R. N. Sahoo , M. Paul , Y. Kashiv , M. Tessler , M. Friedman , S. Halfon , A. Kreisel , A. Shor , L. Weissman

We present a calculation of the radiative capture cross section $p(n,\gamma )d$ in the low-energy range, where the $M1$ reaction channel dominates. Employing the LENPIC nucleon-nucleon interaction up to the fifth order (N4LO) that is…

Nuclear Theory · Physics 2024-08-14 Weijie Du , Soham Pal , Mamoon Sharaf , Peng Yin , Shiplu Sarker , Andrey M. Shirokov , James P. Vary