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27 April 2024 |
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Low-energy p-d Scattering: High Precision Data, Comparisons with Theory, and Phase-Shift Analyses | | M. H. Wood
; C. R. Brune
; B. M. Fisher
; H. J. Karwowski
; D. S. Leonard
; E. J. Ludwig
; A. Kievsky
; S. Rosati
; M. Viviani
; | | Date: |
24 Oct 2001 | | Journal: | Phys.Rev. C65 (2002) 034002 | | Subject: | nucl-ex nucl-th | | Abstract: | Angular distributions of sigma(theta), A_y, iT_11, T_20, T_21, and T_22 have been measured for d-p scattering at E_c.m.=667 keV. This set of high-precision data is compared to variational calculations with the nucleon-nucleon potential alone and also to calculations including a three-nucleon (3N) potential. Agreement with cross-section and tensor analyzing power data is excellent when a 3N potential is used. However, a comparison between the vector analyzing powers reveals differences of approximately 40% in the maxima of the angular distributions which is larger than reported at higher energies for both p-d and n-d scattering. Single-energy phase-shift analyses were performed on this data set and a similar data set at E_c.m.=431.3 keV. The role of the different phase-shift parameters in fitting these data is discussed. | | Source: | arXiv, nucl-ex/0110014 | | Services: | Forum | Review | PDF | Favorites | |
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