Rigorous QCD Analysis of Inclusive Annihilation and Production of Heavy Quarkonium TeX Export

@misc{citeulike:575737, abstract = {A rigorous QCD analysis of the inclusive annihilation decay rates of heavy quarkonium states is presented. The effective-field-theory framework of nonrelativistic QCD is used to separate the short-distance scale of annihilation, which is set by the heavy quark mass \$M\$, from the longer-distance scales associated with quarkonium structure. The annihilation decay rates are expressed in terms of nonperturbative matrix elements of 4-fermion operators in nonrelativistic QCD, with coefficients that can be computed using perturbation theory in the coupling constant \$\alpha\_s(M)\$. The matrix elements are organized into a hierarchy according to their scaling with \$v\$, the typical velocity of the heavy quark. An analogous factorization formalism is developed for the production cross sections of heavy quarkonium in processes involving momentum transfers of order \$M\$ or larger. The factorization formulas are applied to the annihilation decay rates and production cross sections of S-wave states, up to corrections of relative order \$v^3\$, and of P-wave states, up to corrections of relative order \$v^2\$.}, archivePrefix = {arXiv}, author = {Bodwin, Geoffrey T. and Braaten, Eric and Lepage, Peter G.}, citeulike-article-id = {575737}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-ph/9407339}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-ph/9407339}, day = {15}, eprint = {hep-ph/9407339}, keywords = {nrqcd, renowned}, month = {Jan}, posted-at = {2006-04-04 16:19:36}, priority = {2}, title = {Rigorous QCD Analysis of Inclusive Annihilation and Production of Heavy Quarkonium}, url = {http://arxiv.org/abs/hep-ph/9407339}, year = {1997} }

TY - ELEC ID - citeulike:575737 L3 - citeulike-article-id:575737 N2 - A rigorous QCD analysis of the inclusive annihilation decay rates of heavy quarkonium states is presented. The effective-field-theory framework of nonrelativistic QCD is used to separate the short-distance scale of annihilation, which is set by the heavy quark mass $M$, from the longer-distance scales associated with quarkonium structure. The annihilation decay rates are expressed in terms of nonperturbative matrix elements of 4-fermion operators in nonrelativistic QCD, with coefficients that can be computed using perturbation theory in the coupling constant $\alpha_s(M)$. The matrix elements are organized into a hierarchy according to their scaling with $v$, the typical velocity of the heavy quark. An analogous factorization formalism is developed for the production cross sections of heavy quarkonium in processes involving momentum transfers of order $M$ or larger. The factorization formulas are applied to the annihilation decay rates and production cross sections of S-wave states, up to corrections of relative order $v^3$, and of P-wave states, up to corrections of relative order $v^2$. TI - Rigorous QCD Analysis of Inclusive Annihilation and Production of Heavy Quarkonium KW - nrqcd KW - renowned AU - Bodwin, Geoffrey AU - Braaten, Eric AU - Lepage, Peter PY - 1997/Jan/15/ UR - http://arxiv.org/abs/hep-ph/9407339 ER -