Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872) Export

@misc{citeulike:790167, abstract = {Heavy-light diquarks can be the building blocks of a rich spectrum of states which can accommodate some of the newly observed charmonium-like resonances not fitting a pure c-cbar assignment. We examine this possibility for hidden and open charm diquark-antidiquark states deducing spectra from constituent quark masses and spin-spin interactions. Taking the X(3872) as input we predict the existence of a 2++ state that can be associated to the X(3940) observed by Belle and re-examine the state claimed by SELEX, X(2632). The possible assignment of the previously discovered states D\_s(2317) and D\_s(2457) is discussed. We predict X(3872) to be made of two components with a mass difference related to (m\_u-m\_d) and discuss the production of X(3872) and of its charged partner X^(+-) in the weak decays of B^(+,0).}, archivePrefix = {arXiv}, author = {Maiani, L. and Piccinini, F. and Polosa, A. D. and Riquer, V.}, citeulike-article-id = {790167}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-ph/0412098}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-ph/0412098}, day = {21}, eprint = {hep-ph/0412098}, keywords = {x3872, y4260}, month = {Dec}, posted-at = {2006-08-08 23:13:04}, priority = {2}, title = {Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872)}, url = {http://arxiv.org/abs/hep-ph/0412098}, year = {2004} }

TY - ELEC ID - citeulike:790167 L3 - citeulike-article-id:790167 N2 - Heavy-light diquarks can be the building blocks of a rich spectrum of states which can accommodate some of the newly observed charmonium-like resonances not fitting a pure c-cbar assignment. We examine this possibility for hidden and open charm diquark-antidiquark states deducing spectra from constituent quark masses and spin-spin interactions. Taking the X(3872) as input we predict the existence of a 2++ state that can be associated to the X(3940) observed by Belle and re-examine the state claimed by SELEX, X(2632). The possible assignment of the previously discovered states D_s(2317) and D_s(2457) is discussed. We predict X(3872) to be made of two components with a mass difference related to (m_u-m_d) and discuss the production of X(3872) and of its charged partner X^(+-) in the weak decays of B^(+,0). TI - Diquark-Antidiquarks with Hidden or Open Charm and the Nature of X(3872) KW - x3872 KW - y4260 AU - Maiani, L AU - Piccinini, F AU - Polosa, AD AU - Riquer, V PY - 2004/Dec/21/ UR - http://arxiv.org/abs/hep-ph/0412098 ER -