Heavy hadron chiral perturbation theory Export

@article{citeulike:1277035, abstract = {The formalism and applications of chiral perturbation theory for hadrons containing a single heavy quark are discussed. We emphasize the utility of working directly with the velocity-dependent "super" fields which appear in the chiral lagrangian and whose interactions manifestly preserve heavy quark spin symmetry rather than their individual spin components. Chiral logarithm corrections to meson and baryon Isgur-Wise functions are found using these fields. We also identify a unique dimension-5 operator which couples the axial vector Goldstone current to the heavy antriplet baryon field TQ. We then compute the differential rate for the spin symmetry violating decay . The ratio of this decay rate to that for the corresponding pure semileptonic transition can be studied away from the zero recoil point.}, author = {Cho, Peter}, citeulike-article-id = {1277035}, citeulike-linkout-0 = {http://www.sciencedirect.com/science/article/B6TVC-471YTH4-13B/2/53d3eaf6b7600f4f04aa83d7291e7521}, day = {10}, journal = {Nuclear Physics B}, keywords = {baryon, chiral, eft, hqet, lambdab}, month = {May}, number = {1}, pages = {183--204}, posted-at = {2007-05-04 12:17:37}, priority = {4}, title = {Heavy hadron chiral perturbation theory}, url = {http://www.sciencedirect.com/science/article/B6TVC-471YTH4-13B/2/53d3eaf6b7600f4f04aa83d7291e7521}, volume = {396}, year = {1993} }

TY - JOUR ID - citeulike:1277035 L3 - citeulike-article-id:1277035 N2 - The formalism and applications of chiral perturbation theory for hadrons containing a single heavy quark are discussed. We emphasize the utility of working directly with the velocity-dependent "super" fields which appear in the chiral lagrangian and whose interactions manifestly preserve heavy quark spin symmetry rather than their individual spin components. Chiral logarithm corrections to meson and baryon Isgur-Wise functions are found using these fields. We also identify a unique dimension-5 operator which couples the axial vector Goldstone current to the heavy antriplet baryon field TQ. We then compute the differential rate for the spin symmetry violating decay . The ratio of this decay rate to that for the corresponding pure semileptonic transition can be studied away from the zero recoil point. IS - 1 JF - Nuclear Physics B EP - 204 TI - Heavy hadron chiral perturbation theory VL - 396 SP - 183 KW - baryon KW - chiral KW - eft KW - hqet KW - lambdab AU - Cho, Peter PY - 1993/05/10/ UR - http://www.sciencedirect.com/science/article/B6TVC-471YTH4-13B/2/53d3eaf6b7600f4f04aa83d7291e7521 ER -