Kaon induced Lambda(1405) production on a deuteron target at DAFNE

Details Kaon induced Lambda(1405) production on a deuteron target at DAFNE Kaon induced Lambda(1405) production on a deuteron target at DAFNE

2010-08-26

arxiv.org/abs/1008.4423v2

Eur.Phys.J.A47:42,2011

Physics

Nuclear Physics

Nuclear Theory

6pages, 7 figures

Scientific paper

10.1140/epja/i2011-11042-3

The K^- induced production of Lambda(1405) in the K^- d to pi Sigma n reaction is investigated having in mind the conditions of the DAFNE facility at Frascati where kaons are obtained from the decay of slow moving phi mesons. We find that the K^- d to Lambda(1405) n process favors the production of Lambda(1405) initiated by the K^- p channel, which gives largest weight to the higher mass Lambda(1405) appearing at 1420 MeV in chiral theories. We find that the fastest kaons from the decay of the phi are well suited to see this resonance, particularly if one selects forward going neutrons in the center of mass, which reduce the contribution of single scattering and make the double scattering dominate where the signal of the resonance appears clearer.

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