Systematic investigation of three-nucleon force effects in elastic scattering of polarized protons from deuterons at intermediate energies

K. Ermisch, H. R. Amir-Ahmadi, A. M. Van Den Berg, R. Castelijns, B. Davids, A. Deltuva, E. Epelbaum, W. Glöckle, J. Golak, M. N. Harakeh, M. Hunyadi, M. A. De Huu, N. Kalantar-Nayestanaki, H. Kamada, M. Ki, M. Mahjour-Shafiei, A. Nogga, P. U. Sauer, R. Skibiński, H. WitałaH. J. Wörtche

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Abstract

The question, whether the high-quality nucleon-nucleon potentials can successfully describe the three-nucleon system, and to what extent three-nucleon forces (3NFs) play a role, has become very important in nuclear few-body physics. One kinematic region where effects because of 3NFs show up is in the minimum of the differential cross section of elastic nucleon-deuteron scattering. Another observable, which could give an indication about the contribution of the spin to 3NFs, is the vector analyzing power. To investigate the importance of 3NFs systematically over a broad range of intermediate energies, both observables of elastic proton-deuteron scattering have been measured at proton bombarding energies of 108, 120, 135, 150, 170, and 190 MeV, covering an angular range in the center-of-mass system between 30° and 170°. The results show unambiguously the shortcomings of calculations employing only two-body forces and the necessity of the inclusion of 3NFs. They also show the limitations of the results of the present day models for few-nucleon systems at backward angles, especially at higher beam energies. New calculations based on chiral perturbation theory are also presented and compared with the data at the lowest energy.

Original languageEnglish
Article number064004
JournalPhysical Review C - Nuclear Physics
Volume71
Issue number6
DOIs
Publication statusPublished - Jun 2005

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deuterons
elastic scattering
protons
nucleon potential
proton energy
scattering
center of mass
energy
indication
coverings
kinematics
perturbation theory
inclusions
physics
cross sections

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Ermisch, K., Amir-Ahmadi, H. R., Van Den Berg, A. M., Castelijns, R., Davids, B., Deltuva, A., ... Wörtche, H. J. (2005). Systematic investigation of three-nucleon force effects in elastic scattering of polarized protons from deuterons at intermediate energies. Physical Review C - Nuclear Physics, 71(6), [064004]. https://doi.org/10.1103/PhysRevC.71.064004

Systematic investigation of three-nucleon force effects in elastic scattering of polarized protons from deuterons at intermediate energies. / Ermisch, K.; Amir-Ahmadi, H. R.; Van Den Berg, A. M.; Castelijns, R.; Davids, B.; Deltuva, A.; Epelbaum, E.; Glöckle, W.; Golak, J.; Harakeh, M. N.; Hunyadi, M.; De Huu, M. A.; Kalantar-Nayestanaki, N.; Kamada, H.; Ki, M.; Mahjour-Shafiei, M.; Nogga, A.; Sauer, P. U.; Skibiński, R.; Witała, H.; Wörtche, H. J.

In: Physical Review C - Nuclear Physics, Vol. 71, No. 6, 064004, 06.2005.

Research output: Contribution to journalArticle

Ermisch, K, Amir-Ahmadi, HR, Van Den Berg, AM, Castelijns, R, Davids, B, Deltuva, A, Epelbaum, E, Glöckle, W, Golak, J, Harakeh, MN, Hunyadi, M, De Huu, MA, Kalantar-Nayestanaki, N, Kamada, H, Ki, M, Mahjour-Shafiei, M, Nogga, A, Sauer, PU, Skibiński, R, Witała, H & Wörtche, HJ 2005, 'Systematic investigation of three-nucleon force effects in elastic scattering of polarized protons from deuterons at intermediate energies', Physical Review C - Nuclear Physics, vol. 71, no. 6, 064004. https://doi.org/10.1103/PhysRevC.71.064004
Ermisch, K. ; Amir-Ahmadi, H. R. ; Van Den Berg, A. M. ; Castelijns, R. ; Davids, B. ; Deltuva, A. ; Epelbaum, E. ; Glöckle, W. ; Golak, J. ; Harakeh, M. N. ; Hunyadi, M. ; De Huu, M. A. ; Kalantar-Nayestanaki, N. ; Kamada, H. ; Ki, M. ; Mahjour-Shafiei, M. ; Nogga, A. ; Sauer, P. U. ; Skibiński, R. ; Witała, H. ; Wörtche, H. J. / Systematic investigation of three-nucleon force effects in elastic scattering of polarized protons from deuterons at intermediate energies. In: Physical Review C - Nuclear Physics. 2005 ; Vol. 71, No. 6.
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