APS » PROLA » Phys. Rev. Lett. » Volume 82 » Issue 25

Phys. Rev. Lett. 82, 4992 - 4995 (1999)

Chiral Two-Pion Exchange and Proton-Proton Partial-Wave Analysis
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M. C. M. Rentmeester1,2,3, R. G. E. Timmermans1,4, J. L. Friar5, and J. J. de Swart2
1KVI, University of Groningen, Zernikelaan 25, NL-9747 AA Groningen, The Netherlands
2Institute for Theoretical Physics, University of Nijmegen, P.O. Box 9010, NL-6500 GL Nijmegen, The Netherlands
3Department of Physics, The Flinders University of South Australia, Bedford Park, SA 5042 Australia
4Institute for Theoretical Physics, University of Utrecht, Princetonplein 5, NL-3584 CC Utrecht, The Netherlands
5Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545

Received 21 January 1999

The chiral two-pion exchange component of the long-range pp interaction is studied in an energy-dependent partial-wave analysis. We demonstrate its presence and importance and determine the chiral parameters ci ( i  =  1,3,4). The values agree well with those obtained from pion-nucleon amplitudes.


©1999 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v82/p4992
DOI: 10.1103/PhysRevLett.82.4992
PACS: 13.75.Cs, 11.80.Et, 12.39.Fe, 21.30.-x

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