This title appears in the Scientific Report :
2009
Please use the identifier:
http://hdl.handle.net/2128/10371 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevC.79.061001 in citations.
Precision measurements of the pp ->pi(+)pn and pp ->pi(+)d reactions: Importance of long-range and tensor force effects
Precision measurements of the pp ->pi(+)pn and pp ->pi(+)d reactions: Importance of long-range and tensor force effects
Inclusive measurements of pion production in proton-proton collisions in the forward direction were undertaken at 400 and 600 MeV at the cooler synchrotron (COSY) at Forschungszentrum Julich using the Big Karl spectrograph. The high resolution in the pi(+) momentum ensured that there was an unambigu...
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Personal Name(s): | Budzanowski, A. |
---|---|
Chatterjee, A. / Hawranek, P. / et, al | |
Contributing Institute: |
Experimentelle Hadronstruktur; IKP-1 |
Published in: | Physical Review C Physical review / C, 79 79 (2009 2009) 6 6, S. 061001 061001 |
Imprint: |
Woodbury, NY
Inst.
2009
2009-06-12 2009-06-01 |
Physical Description: |
061001 |
DOI: |
10.1103/PhysRevC.79.061001 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen und Kerne |
Series Title: |
Physical Review C
79 |
Subject (ZB): | |
Link: |
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Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevC.79.061001 in citations.
Inclusive measurements of pion production in proton-proton collisions in the forward direction were undertaken at 400 and 600 MeV at the cooler synchrotron (COSY) at Forschungszentrum Julich using the Big Karl spectrograph. The high resolution in the pi(+) momentum ensured that there was an unambiguous separation of the pp ->pi(+)d/pi(+)pn channels. Using these and earlier data, the ratio of the production cross sections could be followed through the Delta region and compared with the predictions of final state interaction theory. Deviations are strongly influenced by long-range terms in the production operator and the tensor force in the final pn system. These have been investigated in a realistic pp ->pi(+)d/pi(+)pn calculation that includes S reversible arrow D channel coupling between the final nucleons. A semiquantitative understanding of the observed effects is achieved.</p>. |