This title appears in the Scientific Report :
2008
Please use the identifier:
http://dx.doi.org/10.1016/j.physletb.2008.07.080 in citations.
Please use the identifier: http://hdl.handle.net/2128/10466 in citations.
Near threshold p-pbar enhancement in the J/Psi to omega p-pbar decay
Near threshold p-pbar enhancement in the J/Psi to omega p-pbar decay
The near-threshold behavior of the p (p) over bar invariant mass spectrum from the J / psi -> omega p (p) over bar decay reported recently by the BES Collaboration is analyzed. Our study demonstrates that there is indeed a clear enhancement in the p (p) over bar invariant mass spectrum near thres...
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Personal Name(s): | Haidenbauer, J. |
---|---|
Meissner, U.G. / Sibirtsev, A. | |
Contributing Institute: |
Theorie der starken Wechselwirkung; IKP-3 Jülich-Aachen Research Alliance - Simulation Sciences; JARA-SIM |
Published in: | Physics letters / B, 666 (2008) S. 352 - 354 |
Imprint: |
Amsterdam
North-Holland Publ.
2008
|
Physical Description: |
352 - 354 |
DOI: |
10.1016/j.physletb.2008.07.080 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen und Kerne |
Series Title: |
Physics Letters B
666 |
Subject (ZB): | |
Link: |
Get full text OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/10466 in citations.
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520 | |a The near-threshold behavior of the p (p) over bar invariant mass spectrum from the J / psi -> omega p (p) over bar decay reported recently by the BES Collaboration is analyzed. Our study demonstrates that there is indeed a clear enhancement in the p (p) over bar invariant mass spectrum near threshold as compared to the phase-space behavior. Moreover, this enhancement is nicely reproduced by the final state interaction in the relevant (S-11(0)) pp partial wave as given by the Julich nucleon-antinucleon model. Therefore, contrary to the statement by the BES Collaboration, their new data on J / psi -> omega p (p) over bar decay in fact strongly support the FSI interpretation of the p (p) over bar enhancement. seen also in other decay reactions. (C) 2008 Elsevier B.V. All rights reserved. | ||
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