Deuteron Optical Potential with a Tensor Term and Breakup

Keaton, P.W.; Armstrong, D.D.

doi:10.1103/physrevc.8.1692

Cited by 51 publications

(16 citation statements)

References 44 publications

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“…Within the formalism of the optical potential the D-state of the deuteron is correlated with the presence of a non-vanishing tensor potential. The experiments revealed considerable deviations from predictions based on the static Watanabe folding model, encluding the D-state [1,2,3]. An understanding of these deviations is quite important.…”

Section: Introductionmentioning

confidence: 92%

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On the tensor term in the deuteron optical potential nearE d =20 MeV

et al. 1984

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The elastic scattering of vector and tensor polarized deuterons near 20 MeV has been analyzed in terms of the phenomenological optical potential including a complex tensor term of TR-type. In comparison with folding potentials we find a strong reduction of the real part of the TR-potential with increasing mass number, the contribution of coupling to vibrational excitations is discussed.Nuclear Reactions: 4He, 160, a6Ar, 4~ 6SCu, 144Sm, 2~ T21(0), optical potential analysis, deduced: TR tensor potentials.

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Section: Introductionmentioning

confidence: 92%

“…In the static folding model [3] the deuteron optical potential is calculated from the local proton and neutron optical potentials folded with the free deuteron wave function. From the D-state of the deuteron and the central part of the nucleon optical potential a tensor potential of the TR-types derives: (10) …”

Section: Theory Computer Codes A)mentioning

confidence: 99%

On the tensor term in the deuteron optical potential nearE d =20 MeV

et al. 1984

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“…(5). It is now convenient to write the S,p operator as [9] S,p = 16(rc/5) 6 ~ S2q Yq* (t) (6) q where S2q=~(lvlv' 12q)GG, (7) ~, and s~ are the spherical components of the deuteron spin operator s. Substituting Eqs. (4), (5), (6) and (7) into ( (9) where IS 2 | YL]"~= ~(2qLMI2#) S2q YL u, and the corresponding radial form factor is given by (10) The 2=0 term in Eq.…”

Section: Folding Model Of the Deformed Tensor Potentialsmentioning

confidence: 99%

“…It is well known that the radial dependence of the T~ potential obtained from folding can be well approximated by a potential parametrized as a second derivative of a Woods-Saxon potential [7]. Thus the optical model analysis of tensor analyzing power data are usually made with a second derivative form for the T~ potential.…”

Section: + ~ ~-P~ (Cos 0) + P~(cos (12c)mentioning

confidence: 99%

Deformed tensor interactions in deuteron elastic and inelastic scattering

Santos

1980

Z Physik A

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The various forms of tensor potentials present in deuteron elastic and inelastic scattering on a deformed target nucleus are derived using a folding model for the deuteron-nucleus interaction. Approximate expressions for the radial dependence of the deformed tensor interactions parametrized with the derivatives of Woods-Saxon potentials are obtained and discussed for the case of a rotational nucleus.

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“…A first potential was obtained from the 6 He(p,d ) 5 He reaction [10]. The second potential was calculated from a method proposed by Keaton et al convoluting the potentials 5 He+p and 5 He+n, derived from the CH89 parametrization, with a deuteron wave function [39,40,41]. These two potentials provided a very poor reproduction for the one and two neutrons transfer reactions.…”

Section: Fig 5: A) Cdcc Calculations For the Elastic Scattering Ofmentioning

confidence: 99%

Investigation ofHe6cluster structures

Giot

Roussel‐Chomaz²,

Demonchy³

et al. 2005

Phys. Rev. C

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The α+2n and t+t clustering of the 6 He ground state were investigated by means of the transfer reaction 6 He(p,t) 4 He at 25 MeV/nucleon. The experiment was performed in inverse kinematics at GANIL with the SPEG spectrometer coupled to the MUST array. Experimental data for the transfer reaction were analyzed by a DWBA calculation including the two neutrons and the triton transfer. The couplings to the 6 He → 4 He + 2n breakup channels were taken into account with a polarization potential deduced from a coupled-discretized-continuum channels analysis of the 6 He+ 1 H elastic scattering measured at the same time. The influence on the calculations of the α+t exit potential and of the triton sequential transfer is discussed. The final calculation gives a spectroscopic factor close to one for the α+2n configuration as expected. The spectroscopic factor obtained for the t+t configuration is much smaller than the theoretical predictions.

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Deuteron Optical Potential with a Tensor Term and Breakup

Cited by 51 publications

References 44 publications

On the tensor term in the deuteron optical potential nearE d =20 MeV

On the tensor term in the deuteron optical potential nearE d =20 MeV

Deformed tensor interactions in deuteron elastic and inelastic scattering

Investigation ofHe6cluster structures

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