Searching for signatures around 1920 MeV of a N-* state of three hadron nature
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Searching for signatures around 1920 MeV of a N-* state of three hadron nature

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Searching for signatures around 1920 MeV of a N-* state of three hadron nature

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Martínez Torres, Alberto; Khemchandani, K. P.; Meissner, Ulf-G.; Oset Báguena, Eulogio Perfil
Aquest document és un/a article, creat/da en: 2009
We provide a series of arguments which support the idea that the peak seen in the γp→K+Λ reaction around 1920 MeV should correspond to the recently predicted state of JP=1/2+ as a bound state of KK¯N with a mixture of a0(980)N and f0(980)N components. At the same time we propose polarization experiments in that reaction as a further test of the prediction, as well as a study of the total cross section for γp→K+K−p at energies close to threshold and of dσ/dMinv for invariant masses close to the two kaon threshold.

    Martínez Torres, Alberto Khemchandani, K. P. Meissner, Ulf-G. Oset Báguena, Eulogio 2009 Searching for signatures around 1920 MeV of a N-* state of three hadron nature European Physical Journal A 41 3 361 368
http://dx.doi.org/10.1140/epja/i2009-10834-2
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