Clues to the nature of the Delta* (1700) resonance from pion- and photon-induced reactions
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Clues to the nature of the Delta* (1700) resonance from pion- and photon-induced reactions

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Clues to the nature of the Delta* (1700) resonance from pion- and photon-induced reactions

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dc.contributor.author Döring, Michael
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Strottman, Dan
dc.date.accessioned 2015-09-08T07:29:57Z
dc.date.available 2015-09-08T07:29:57Z
dc.date.issued 2006
dc.identifier.uri http://hdl.handle.net/10550/46937
dc.description.abstract We make a study of the (pi^- p --> K^0 pi^0 Lambda), (pi^+ p --> K^+ pi^+ Lambda), (K^+\bar{K}^0 p), (K^+ pi^+ Sigma^0), (K^+ pi^0 Sigma^+), and (eta pi^+ p) reactions, in which the basic dynamics is given by the excitation of the Delta^*(1700) resonance which subsequently decays into (K Sigma^*(1385)) or (Delta(1232) eta). In a similar way we also study the (gamma p --> K^0 pi^+ Lambda), (K^+ pi^- Sigma^+), (K^+ pi^+ Sigma^-), (K^0 pi^0 Sigma^+), and (eta pi^0 p) related reactions. The cross sections are proportional to the square of the coupling of Delta^*(1700) to (Sigma^*K), (Delta eta) for which there is no experimental information but which is provided in the context of coupled channels chiral unitary theory where the Delta^*(1700) is dynamically generated. Within present theoretical and experimental uncertainties one can claim a global qualitative agreement between theory and experiment. We provide a list of items which need to be improved in order to make further progress along these lines.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 2006, vol. 639, num. 2, p. 59-67
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Döring, Michael Oset Báguena, Eulogio Strottman, Dan 2006 Clues to the nature of the Delta* (1700) resonance from pion- and photon-induced reactions Physics Letters B 639 2 59 67
dc.subject Física
dc.title Clues to the nature of the Delta* (1700) resonance from pion- and photon-induced reactions
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-09-08T07:29:57Z
dc.identifier.doi http://dx.doi.org/10.1016/j.physletb.2006.06.022
dc.identifier.idgrec 036318

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