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The N*(1520)->Delta pi amplitudes extracted from the gamma p->pi(+)pi(-)p reaction and comparison to quark models
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The N*(1520)->Delta pi amplitudes extracted from the gamma p->pi(+)pi(-)p reaction and comparison to quark models
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| dc.contributor.author | Gómez Tejedor, José Antonio | |
| dc.contributor.author | Cano Vargas, Florencio | |
| dc.contributor.author | Oset Báguena, Eulogio | |
| dc.date.accessioned | 2015-09-08T10:51:50Z | |
| dc.date.available | 2015-09-08T10:51:50Z | |
| dc.date.issued | 1996 | |
| dc.identifier.citation | Gómez Tejedor, José Antonio Cano Vargas, Florencio Oset Báguena, Eulogio 1996 The N*(1520)->Delta pi amplitudes extracted from the gamma p->pi(+)pi(-)p reaction and comparison to quark models Physics Letters B 379 1-4 29 34 | |
| dc.identifier.uri | http://hdl.handle.net/10550/47020 | |
| dc.description.abstract | The gamma p ---> pi+ pi- p reaction, in combination with data from the pi N ---> pi pi N reaction, allows one to obtain the s- and d-wave amplitudes for the N*(1520) decay into Delta pi with absolute sign with respect to the N*(1520) ---> N gamma helicity amplitudes. In addition one obtains the novel information on the q dependence of the amplitudes. This dependence fits exactly with the predictions of the non-relativistic constituent quark models. The absolute values provided by these models agree only qualitatively, and a discussion is done on the reasons for it and possible ways to improve. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physics Letters B, 1996, vol. 379, num. 1-4, p. 29-34 | |
| dc.subject | Física | |
| dc.title | The N*(1520)->Delta pi amplitudes extracted from the gamma p->pi(+)pi(-)p reaction and comparison to quark models | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-09-08T10:51:50Z | |
| dc.identifier.doi | 10.1016/0370-2693(96)00404-2 | |
| dc.identifier.idgrec | 079550 | |
| dc.rights.accessRights | open access | es_ES |
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