%0 Journal Article
%T Novel Interpretation of the "Theta(+)(1540) Pentaquark" Peak
%A Martinez Torres, A.
%A Oset, E.
%J Physical Review Letters
%D 2010
%V 105
%N 9
%I Amer Physical Soc
%@ 0031-9007
%G English
%F MartinezTorres+Oset2010
%O ISI:000281272700005
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=387), last updated on Wed, 16 Mar 2011 00:59:57 +0000
%X We use a theoretical model of the gamma d --> K+K- np reaction adapted to the experiment done at LEPS where a peak was observed and associated with the Theta(+)(1540) pentaquark. The study shows that the method used in the experiment to assign momenta to the undetected proton and neutron, together with the chosen cuts, necessarily creates an artificial broad peak in the assumed K(+)n invariant mass in the region of the claimed Theta(+)(1540), such that the remaining strength seen for the experimental peak is compatible with a fluctuation of 2 sigma significance.
%R 10.1103/PhysRevLett.105.092001
%U http://arxiv.org/abs/1008.4978
%U https://doi.org/10.1103/PhysRevLett.105.092001
%P 092001-4pp