English
Related papers

Related papers: Knockout of proton-neutron pairs from $^{16}$O wit…

200 papers

The cross section for coincidence, quasielastic proton knock-out by electrons from a polarized K39 nucleus is computed in DWIA using an optical potential in describing the wave function of the ejected nucleon. The dependence of the FSI on…

Nuclear Theory · Physics 2008-11-26 J. E. Amaro , T. W. Donnelly

The differential cross section for the $^{1}$H$(d,pp)n$ breakup reaction at deuteron beam energy of 380 MeV has been determined with high precision for 189 angular configurations of outgoing protons in the region of forward laboratory…

We report on the first detailed study of the mechanisms involved in knockout reactions, via a coincidence measurement of the residue and fast proton in one-proton knockout reactions, using the S800 spectrograph in combination with the HiRA…

We use the relativistic distorted wave impulse approximation to analyze data on 16O(e,e'p)15N at |Q^2|\leq 0.4 (GeV/c)^2 that were obtained by different groups and seemed controversial. Results for differential cross-sections, response…

Nuclear Theory · Physics 2011-08-17 J. M. Udias , J. A. Caballero , E. Moya de Guerra , Javier R. Vignote , A. Escuderos

The evolution of single-particle strengths as the neutron-to-proton asymmetry changes informs us of the importance of short- and long-range correlations in nuclei and has therefore been extensively studied for the last two decades.…

Nuclear Theory · Physics 2023-10-24 Chloë Hebborn , Filomena M. Nunes , Amy E. Lovell

Coincidence scattering of polarized electrons from nuclei with polarization transfer to outgoing nucleons is studied within the context of relativistic mean field theory. Effects introduced by the dynamical enhancement of the lower…

Nuclear Theory · Physics 2016-08-16 M. C. Martínez , J. A. Caballero , T. W. Donnelly

Using hadron dynamics we calculate nuclear transparencies for protons, knocked-out in high-$Q^2$, semi-inclusive reactions. Predicted transparencies are, roughly half a standard deviation above the NE18 data. The latter contain the effects…

Nuclear Theory · Physics 2009-10-28 A. S. Rinat , M. F. Taragin

Calculations have been performed for the $^{16}$O($\gamma$,pn) and the $^{16}$O($\gamma$,pp) reaction in the photon-energy range $E_{\gamma}$ = 60-300 MeV. Besides the contribution from the more common photoabsorption on the pionic degrees…

Nuclear Theory · Physics 2009-10-22 L. Machenil , M. Vanderhaeghen , J. Ryckebusch , M. Waroquier

The three-body description of two-neutron halo nuclei relies on the two-body interactions between the constituents. In order to provide constraints on calculations devoted to $^{14}$Be and $^{17}$B, neutron unbound states of $^{13}$Be and…

Nuclear Experiment · Physics 2009-11-10 J. L. Lecouey

Full Faddeev-type calculations are performed for one-neutron knockout reaction of $^{14}$Be on proton target at 69 MeV/u incident energy. Inclusive transverse momentum distributions for the outgoing ($^{12}$Be + n) system and semi-inclusive…

Nuclear Theory · Physics 2009-02-18 R. Crespo , A. Deltuva , M. Rodríguez-Gallardo , E. Cravo , A. C. Fonseca

We analyze the recently obtained new data on the partial cross sections and parallel momentum distributions for transitions to ground as well as excited states of the 16C core, in the one-neutron removal reaction 197Au(17C,16C gamma)X at…

Nuclear Theory · Physics 2009-11-07 V. Maddalena , R. Shyam

Relativistic calculations for the quasifree electron scattering process (e, e'p) and the direct knockout contribution to (gamma, p) reactions are presented. The spectroscopic factors determined from the former reaction are used to fix the…

Nuclear Theory · Physics 2009-10-30 J. I. Johansson , H. S. Sherif , G. M. Lotz

The differential cross sections for the $^2$H(p,pp)n reaction have been measured for 84 angular configurations of the outgoing protons in the range of polar angles from 13 to 33 degrees with a proton beam of 108 MeV. Data have been…

The collision of the doubly-magic nuclei $^{16}$O+$^{208}$Pb is a benchmark in nuclear reaction studies. Our new measurements of back-scattered projectile-like fragments at sub-barrier energies show show that transfer of 2 protons ($2p$) is…

Nuclear Experiment · Physics 2015-05-20 M. Evers , C. Simenel , M. Dasgupta , D. J. Hinde , D. H. Luong , R. Rafiei , R. du Rietz

We study (p,2p) and (p,pn) reactions at proton energies in the range of 100 MeV -- 1 GeV. Our purpose is to explore the most sensitive observables in unpolarized reactions with inverse kinematics involving radioactive nuclei. We formulate a…

Nuclear Theory · Physics 2014-09-16 T. Aumann , C. A. Bertulani , J. Ryckebusch

The triple differential cross sections for the 6Li(e,e'p) reaction have been measured in the excitation energy region from 27 to 46 MeV in a search for evidence of the giant dipole resonance (GDR) in 6Li. The cross sections have no distinct…

Nuclear Experiment · Physics 2009-10-31 T. Hotta , T. Tamae , T. Miura , H. Miyase , I. Nakagawa , T. Suda , M. Sugawara , T. Tadokoro , A. Takahashi , E. Tanaka , H. Tsubota

Single neutron- and proton-removal cross sections have been systematically measured for 72 medium-mass neutron-rich nuclei around Z=50 and energies around 900A MeV using the FRagment Separator (FRS) at GSI. Neutron-removal cross sections…

The cross-sections of proton-induced reactions on 184W at incident proton energy below 200MeV are calculated and analyzed including reaction cross-sections, elastic scattering angular distributions, energy spectra and double differential…

Nuclear Theory · Physics 2015-09-02 Jianping Sun , Zhengjun Zhang , Yinlu Han

We present results for the $p p \to p p \omega$ reaction studied by considering two different scenarios: with and without the inclusion of nucleon resonance excitations. The recently measured angular distribution by the COSY-TOF…

Nuclear Theory · Physics 2009-11-07 K. Tsushima , K. Nakayama

The nucleon self-energies of $^{40}$Ca and $^{48}$Ca are determined using a nonlocal dispersive optical model (DOM). By enforcing the dispersion relation connecting the real and imaginary part of the self-energy, scattering and structure…

Nuclear Theory · Physics 2019-10-25 M. C. Atkinson , W. H. Dickhoff
‹ Prev 1 3 4 5 6 7 10 Next ›