Is isospin I=2 assignment preferable for d_1^*(1956) resonance candidate seen in reaction pp-> 2 gamma X below pion threshold ?

Details Is isospin I=2 assignment preferable for d_1^*(1956) resonance candidate seen in reaction pp-> 2 gamma X below pion threshold ? Is isospin I=2 assignment preferable for d_1^*(1956) resonance candidate seen in reaction pp-> 2 gamma X below pion threshold ?

2005-04-08

arxiv.org/abs/nucl-th/0504025v1

Physics

Nuclear Physics

Nuclear Theory

6 pages, Latex, no figures. Based on a talk presented by S.G. at the XVI-th Internatioanl Baldin Seminar on High Energy Physic

Scientific paper

We compare the virtues of two options for the isospin (I=1 or 2) of the apparently exotic dibarion resonance d_1^*(1956), as it is noticed by the DIB2gamma Collaboration (JINR) in the reaction pp -> 2 gamma X below the pion threshold, and using recent results following from the RMC Collaboration (TRIUMF) measurement of the relative probability of the double-photon pion capture in the pi-mesic deuterium atoms.

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