This title appears in the Scientific Report :
2003
Please use the identifier:
http://hdl.handle.net/2128/1685 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevC.68.054003 in citations.
The Nd Break-Up Process in Leading Order in a Three-Dimensional Approach
The Nd Break-Up Process in Leading Order in a Three-Dimensional Approach
A three-dimensional approach based on momentum vectors as variables for solving the three-nucleon Faddeev equation in first order is presented. The nucleon-deuteron breakup amplitude is evaluated in leading order in the nucleon-nucleon (NN) T matrix, which is also generated directly in three dimensi...
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Personal Name(s): | Fachruddin, I. |
---|---|
Elster, C. / Glöckle, W. | |
Contributing Institute: |
Institut 3 (Theoretische Kernphysik); IKP-TH |
Published in: | Physical Review C Physical review / C, 68 68 (2003 2003) 5 5, S. 054003 054003 |
Imprint: |
Woodbury, NY
Inst.
2003
2003-11-21 2003-11-01 |
Physical Description: |
054003 |
DOI: |
10.1103/PhysRevC.68.054003 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen |
Series Title: |
Physical Review C
68 |
Subject (ZB): | |
Link: |
Get full text OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevC.68.054003 in citations.
A three-dimensional approach based on momentum vectors as variables for solving the three-nucleon Faddeev equation in first order is presented. The nucleon-deuteron breakup amplitude is evaluated in leading order in the nucleon-nucleon (NN) T matrix, which is also generated directly in three dimensions avoiding a summation of partial wave contributions. A comparison of semiexclusive observables in the d(p,n)pp reaction calculated in this scheme with those generated by a traditional partial wave expansion shows perfect agreement at lower energies. At about 200 MeV nucleon laboratory energies deviations in the peak of the cross section appear, which may indicate that special care is required in a partial wave approach for energies at and higher than 200 MeV . The role of higher order rescattering processes beyond the leading order in the NN T matrix is investigated with the result that at 200 MeV rescattering still provides important contributions to the cross section and certain spin observables. The influence of a relativistic treatment of the kinematics is investigated. It is found that relativistic effects become important at projectile energies higher than 200 MeV . |