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(K)over-bar N N absorption within the framework of the fixed-center approximation to Faddeev equations
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(K)over-bar N N absorption within the framework of the fixed-center approximation to Faddeev equations
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| dc.contributor.author | Bayar, Melahat | |
| dc.contributor.author | Oset Báguena, Eulogio | |
| dc.date.accessioned | 2014-02-17T13:25:22Z | |
| dc.date.available | 2014-02-17T13:25:22Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | Bayar, M. Oset Báguena, Eulogio 2013 (K)over-bar N N absorption within the framework of the fixed-center approximation to Faddeev equations Physical Review C 88 4 044003 | |
| dc.identifier.uri | http://hdl.handle.net/10550/32988 | |
| dc.description.abstract | We present a method to evaluate the (K) over bar absorption width in the bound (K) over bar N N system. Most calculations of this system ignore this channel and only consider the (K) over bar N -> pi Sigma conversion. Other works make a qualitative calculation using perturbative methods. Since the (1405) resonance is playing a role in the process, the same resonance is changed by the presence of the absorption channels andwe find that a full nonperturbative calculation is called for, which we present here. We employ the fixed center approximation to Faddeev equations to account for (K) over bar rescattering on the (NN) cluster and we find that the width of the states found previously for S = 0 and S = 1 increases by about 30 MeV due to the (K) over bar N N absorption, to a total width of about 80 MeV. | |
| dc.relation.ispartof | Physical Review C, 2013, vol. 88, num. 4, p. 044003 | |
| dc.subject | Física | |
| dc.title | (K)over-bar N N absorption within the framework of the fixed-center approximation to Faddeev equations | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-02-17T13:25:22Z | |
| dc.identifier.doi | 10.1103/PhysRevC.88.044003 | |
| dc.identifier.idgrec | 093163 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1103/PhysRevC.88.044003 |
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