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We have measured a large number of proton-induced radionuclide production cross sections from tellurium targets of natural isotopic composition at incident energies of 0.80, 1.4, and 23 GeV. The results of these measurements are compared to…

We calculate the proton-nucleus total reaction cross sections at different energies of incident protons within the optical limit approximation of the Glauber theory. The isospin effect has been taken into account. The nucleon distribution…

Nuclear Theory · Physics 2012-01-03 K. Iida , K. Oyamatsu , B. Abu-Ibrahim , A. Kohama

The CNO cycle is one of the fundamental processes of hydrogen burning in stars. The first reaction of the cycle is the radiative proton capture on 12C and the rate of this 12C(p,gamma)13N reaction is related to the 12C/13C ratio observed…

Nuclear Experiment · Physics 2023-04-12 Gy. Gyürky , L. Csedreki , T. Szücs , G. G. Kiss , Z. Halász , Zs. Fülöp

Background: Optical potentials are crucial ingredients for the prediction of nuclear reaction rates needed in simulations of the astrophysical \gamma-process. Associated uncertainties are particularly large for reactions involving…

Astrophysical reaction rates, which are mostly derived from theoretical cross sections, are necessary input to nuclear reaction network simulations for studying the origin of $p$ nuclei. Past experiments have found a considerable difference…

The 17O(p,g)18F reaction plays an important role in hydrogen burning processes in different stages of stellar evolution. The rate of this reaction must therefore be known with high accuracy in order to provide the necessary input for…

Nuclear Experiment · Physics 2017-04-05 Gy. Gyürky , A. Ornelas , Zs. Fülöp , Z. Halász , G. G. Kiss , T. Szücs , R. Huszánk , I. Hornyák , I. Rajta , I. Vajda

We introduce a self-consistent microscopic theoretical framework for modelling the process of electron capture on nuclei in stellar environment, based on relativistic energy density functionals. The finite-temperature relativistic…

Nuclear Theory · Physics 2011-05-13 YiFei Niu , Nils Paar , Dario Vretenar , Jie Meng

The shell model embedded in the continuum is applied to calculate the astrophysical S-factor and the reaction rate for the radiative proton capture reaction 17F(p,gamma)18Ne. The dominant contribution to the cross-section at very low…

Nuclear Theory · Physics 2009-11-11 R. Chatterjee , J. Okolowicz , M. Ploszajczak

Based on the Skyrme energy density functional and the reaction $Q$-value, we propose an effective nucleus-nucleus potential for describing the capture barrier in heavy-ion fusion processes. The 443 extracted barrier heights are well…

Nuclear Theory · Physics 2024-09-20 Ning Wang , Jinming Chen , Min Liu

The neutron capture rates and Maxwellian averaged cross sections (MACS) for 90Zr(n,{\gamma}) 91Zr and 92Zr(n,{\gamma}) 93Zr processes have been computed within the framework of Talys v1.96. The effects of phenomenological nuclear level…

Nuclear Theory · Physics 2024-10-10 Abdul Kabi , Zain Ul Abideen , Jameel-Un Nabi , Dawar Khan

At the Karlsruhe pulsed 3.75 MV Van de Graaff accelerator the $^{36}S(n,\gamma)^{37}S(5.05 min)$ cross section was measured by the fast cyclic activation technique via the 3.103 MeV $\gamma$-ray line of the $^{37}$S-decay. Samples of…

Nuclear Theory · Physics 2008-11-26 H. Beer , P. V. Sedyshev , Yu. P. Popov , W. Balogh , H. Herndl , H. Oberhummer

Activation cross-sections of longer-lived products of proton induced nuclear reactions on dysprosium were measured up to 36 MeV by using stacked foil irradiation technique and gamma-spectrometry. We report for the first time experimental…

Nuclear Experiment · Physics 2013-10-22 F. Tárkányi , F. Ditrói , S. Takács , A. Hermanne , A. V. Ignatyuk

The $(n,\alpha)$ reaction contributes in many processes of energy generation and nucleosynthesis in stellar environment. Since experimental data are available for a limited number of nuclei and in restricted energy ranges, at present only…

Nuclear Theory · Physics 2021-12-20 Sema Küçüksucu , Mustafa Yiğit , Nils Paar

Based on large-scale shell model calculations we have determined the electron capture, positron capture and beta-decay rates on more than 100 nuclei in the mass range A=45-65. The rates are given for densities \rho Y_e =10^7-10^{10}…

Nuclear Theory · Physics 2011-05-05 K. Langanke , G. Martinez-Pinedo

The total cross sections of the radiative neutron capture processes on 9Be, 14C, 14N, 15N, and 16O are described in the framework of the modified potential cluster model with the classification of orbital states according to Young tableaux.…

Nuclear Theory · Physics 2014-01-29 Sergey Dubovichenko , Albert Dzhazairov-Kakhramanov , Nadezhda Afanasyeva

In this work, the cross-section of the reaction $\gamma p \rightarrow V(J/\psi,\psi(2S)) p$ from the production threshold to medium energy is studied and systematically analyzed within two gluon exchange model. The obtained numerical…

High Energy Physics - Phenomenology · Physics 2022-06-20 Xiao-Yun Wang , Fancong Zeng , Quanjin Wang

We present neutrino capture cross sections on 13C at supernova neutrino energies, up to 50 MeV. For both charged-current and neutral-current reactions partial cross sections are calculated using statistical Hauser-Feschbach method. Coherent…

Nuclear Theory · Physics 2019-09-04 T. Suzuki , A. B. Balantekin , T. Kajino , S. Chiba

We investigate even-even two-proton borromean systems at prominent intermediate heavy waiting points for the rapid proton capture process. The most likely single-particle levels are used to calculate three-body energy and structure as a…

Nuclear Theory · Physics 2016-02-03 D. Hove , A. S. Jensen , H. O. U. Fynbo , N. T. Zinner , D. V. Fedorov , E. Garrido

Radiative capture of protons is investigated as a probe of clustering in nuclei far from stability. The first such measurement on a halo nucleus is reported here for the reaction $^6$He(p,$\gamma$) at 40 MeV. Capture into $^7$Li is observed…

Nuclear Experiment · Physics 2009-11-07 E. Sauvan , F. M. Marqués , H. W. Wilschut , N. A. Orr

TALYS calculations were performed to obtain the theoretical proton capture cross-sections on the p-nuclei. A short review on the status of related experimental studies was also conducted. Some basic properties such as Q-values, Coulomb…

Nuclear Theory · Physics 2024-04-29 Indrani Ray , Argha Deb
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