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Related papers: Weak sensitivity of three-body ($d,p$) reactions t…

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Using adiabatic distorted-wave approximation (ADWA) with nonlocal optical potentials (NLOP) for $(d,p)$ transfer reactions [G.W. Bailey, N.K. Timofeyuk, and J.A. Tostevin, Phys. Rev. Lett. 117, 162502 (2016)] reported strong sensitivity to…

Nuclear Theory · Physics 2018-06-07 A. Deltuva

Model uncertainties, arising due to suppression of target excitations in the description of deuteron scattering and resulting in a modification of the two-body interactions in a three-body system, are investigated for several $(d,p)$…

Nuclear Theory · Physics 2021-09-22 M. J. Dinmore , N. K. Timofeyuk , J. S. Al-Khalili

The contribution of a three-nucleon (3N) force, acting between the neutron and proton in the incoming deuteron with a target nucleon, to the deuteron-target potential in the entrance channel of the $A(d,p)B$ reaction has been calculated…

Nuclear Theory · Physics 2020-12-04 N. K. Timofeyuk , M. J. Dinmore , J. S AL-Khalili

It has recently been reported [Phys. Rev. Lett. 117, 162502 (2016)] that (d, p) cross sections can be very sensitive to the n-p interactions used in the adiabatic treatment of deuteron breakup with nonlocal nucleon-target optical…

Nuclear Theory · Physics 2018-08-15 M. Gómez-Ramos , N. K. Timofeyuk

Exact Faddeev-type three-body equations are applied to the study of the proton transfer reactions $(d,n)$ in the system consisting of a nuclear core and two nucleons. The integral equations for the three-body transition operators are solved…

Nuclear Theory · Physics 2017-06-05 A. Deltuva

Recent work has studied the uncertainty in predictions for A(d,p)B reactions using the distorted-wave Born approximation (DWBA), coming from the parameterization of the effective dA interactions [Lovell et al., Phys. Rev. C 95, 024611].…

Nuclear Theory · Physics 2019-04-03 G. B. King , A. E. Lovell , F. M. Nunes

We point out that after presenting our results on high $n$-$p$ momentum sensitivity of the $(d,p)$ cross sections in [Phys. Rev. Lett. 117 162502 (2016)] the last paragraph of our Letter refers to a need of going beyond the leading order of…

Nuclear Theory · Physics 2018-06-14 G. W. Bailey , N. K. Timofeyuk , J. A. Tostevin

The nonlocal dispersive optical model (NLDOM) nucleon potentials are used for the first time in the adiabatic analysis of a (d,p) reaction to generate distorted waves both in the entrance and exit channels. These potentials were designed…

Nuclear Theory · Physics 2016-10-04 S. J. Waldecker , N. K. Timofeyuk

The adiabatic distorted wave approximation (ADWA) is widely used by the nuclear community to analyse deuteron stripping ($d$,$p$) experiments. It provides a quick way to take into account an important property of the reaction mechanism:…

Nuclear Theory · Physics 2021-07-08 Laura Moschini , Natalia K. Timofeyuk , Ronald C. Johnson

We have developed an approximate way of dealing with explicit energy-dependence of non-local nucleon optical potentials as used to predict the $(d,p)$ cross sections within the adiabatic theory. Within this approximation, the non-local…

Nuclear Theory · Physics 2015-06-18 R. C. Johnson , N. K. Timofeyuk

A new dispersion (asymptotic) theory is proposed for the peripheral sub- and above-barrier charged particle transfer $A(x,y)B$ reaction in the three-body ($A$, $a$ and $y$) model where $ x= y +a$ and $B=A+a$, and $ a$ is a transferred…

Nuclear Theory · Physics 2020-04-03 R. Yarmukhamedov , K. I. Tursunmakhatov

Background: At intermediate energies, transfer reactions are suppressed because the momentum-matching condition is difficult to satisfy. In the standard distorted wave Born approximation (DWBA), a high momentum component of the transferred…

Nuclear Theory · Physics 2025-10-20 Sang-In Shim , Yoshiki Chazono , Kazuki Yoshida , Tomohiro Uesaka , Kazuyuki Ogata

Theoretical models of low-energy (d,p) single-neutron transfer reactions are a crucial link between experimentation, nuclear structure and nuclear astrophysical studies. Whereas reaction models that use local optical potentials are…

Nuclear Theory · Physics 2016-11-23 G. W. Bailey , N. K. Timofeyuk , J. A. Tostevin

A widely accepted practice for treating deuteron breakup in $A(d,p)B$ reactions relies on solving a three-body $A+n+p$ Schr\"odinger equation with pairwise $A$-$n$, $A$-$p$ and $n$-$p$ interactions. However, it was shown in [Phys. Rev. C…

Nuclear Theory · Physics 2019-06-26 M. J. Dinmore , N. K. Timofeyuk , J. S. Al-Khalili , R. C. Johnson

The finite range adiabatic wave approximation provides a practical method to analyze (d,p) or (p,d) reactions, however until now the level of accuracy obtained in the description of the reaction dynamics has not been determined. In this…

Nuclear Theory · Physics 2011-10-25 F. M. Nunes , A. Deltuva

Background: Traditionally, nucleon-nucleus optical potentials are made local for convenience. In recent work we studied the effects of including nonlocal interactions explicitly in the final state for (d,p) reactions, within the distorted…

Nuclear Theory · Physics 2016-01-20 L. J. Titus , F. M. Nunes , G. Potel

Theoretical models of the (d,p) reaction are exploited for both nuclear astrophysics and spectroscopic studies in nuclear physics. Usually, these reaction models use local optical model potentials to describe the nucleon- and…

Nuclear Theory · Physics 2017-03-08 G. W. Bailey , N. K. Timofeyuk , J. A. Tostevin

Background: Proton-induced nucleon knockout $(p,pN)$ reactions have been successfully used to study the single-particle nature of stable nuclei in normal kinematics with the distorted-wave impulse approximation (DWIA) framework. Recently,…

Nuclear Theory · Physics 2019-12-10 Nguyen Tri Toan Phuc , Kazuki Yoshida , Kazuyuki Ogata

The calculations of three-body direct nuclear reactions with nonlocal optical potentials are performed for the first time using the framework of Faddeev-type scattering equations. Important nonlocality effect is found for transfer reactions…

Nuclear Theory · Physics 2009-03-04 A. Deltuva

The change in mass of a nucleon, arising from its interactions with other nucleons inside the target, results in velocity-dependent terms in the Schr\"odinger equation that describes nucleon scattering. It has recently been suggested in a…

Nuclear Theory · Physics 2019-05-22 N. K. Timofeyuk
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