%0 Generic %1 Ali2014HiddenBeauty %A Ali, A. %A Maiani, L. %A Polosa, A. D. %A Riquer, V. %D 2014 %K tetraquark %T Hidden-Beauty Charged Tetraquarks and Heavy Quark Spin Conservation %U http://arxiv.org/abs/1412.2049 %X Assuming the dominance of the spin-spin interaction in a diquark, we point out that the mass differences in the beauty sector M(Z\_b') - M(Z\_b) scale with quark masses as expected in QCD, with respect to the corresponding mass difference M(Z\_c') - M(Z\_c). Notably, we show that the decays Upsilon(10890) --> (h\_b(1P), h\_b(2P)) pi pi are compatible with heavy-quark spin conservation once the contributions of Z\_b,Z\_b' intermediate states are taken into account, Upsilon(10890) being either a Upsilon(5S) or the beauty analog of Y\_c(4260).

@misc{Ali2014HiddenBeauty, abstract = {{Assuming the dominance of the spin-spin interaction in a diquark, we point out that the mass differences in the beauty sector M(Z\_b') - M(Z\_b) scale with quark masses as expected in QCD, with respect to the corresponding mass difference M(Z\_c') - M(Z\_c). Notably, we show that the decays Upsilon(10890) --\> (h\_b(1P), h\_b(2P)) pi pi are compatible with heavy-quark spin conservation once the contributions of Z\_b,Z\_b' intermediate states are taken into account, Upsilon(10890) being either a Upsilon(5S) or the beauty analog of Y\_c(4260).}}, added-at = {2019-02-23T22:09:48.000+0100}, archiveprefix = {arXiv}, author = {Ali, A. and Maiani, L. and Polosa, A. D. and Riquer, V.}, biburl = {https://www.bibsonomy.org/bibtex/2c96592246e8e7071737d7f6b4cc8ba4b/cmcneile}, citeulike-article-id = {13454721}, citeulike-linkout-0 = {http://arxiv.org/abs/1412.2049}, citeulike-linkout-1 = {http://arxiv.org/pdf/1412.2049}, day = 5, eprint = {1412.2049}, interhash = {5134893b57d4a151eb286b58486c11ac}, intrahash = {c96592246e8e7071737d7f6b4cc8ba4b}, keywords = {tetraquark}, month = dec, posted-at = {2014-12-08 12:14:32}, priority = {2}, timestamp = {2019-02-23T22:15:27.000+0100}, title = {{Hidden-Beauty Charged Tetraquarks and Heavy Quark Spin Conservation}}, url = {http://arxiv.org/abs/1412.2049}, year = 2014 }