TY  - JOUR
AU  - Martinez Torres, A.
AU  - Oset, E.
PY  - 2010
DA  - 2010//
TI  - Novel Interpretation of the "Theta(+)(1540) Pentaquark" Peak
T2  - Phys. Rev. Lett.
JO  - Physical Review Letters
SP  - 092001
EP  - 4pp
VL  - 105
IS  - 9
PB  - Amer Physical Soc
AB  - 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.
SN  - 0031-9007
UR  - http://arxiv.org/abs/1008.4978
UR  - https://doi.org/10.1103/PhysRevLett.105.092001
DO  - 10.1103/PhysRevLett.105.092001
LA  - English
N1  - ISI:000281272700005
ID  - MartinezTorres+Oset2010
ER  -