Twistor-inspired construction of massive quark amplitudes Export

@article{citeulike:3467277, abstract = {The analog of the Cachazo-Svrvcek-Witten rules for scattering amplitudes with massive quarks is derived following an approach previously employed for amplitudes with massive scalars. A prescription for the external wave-functions is given that leads to a one-to one relation between fields in the action and spin-states of massive quarks. Several examples for the application of the rules are given and the structure of some all-multiplicity amplitudes with a pair of massive quarks is discussed. The rules make supersymmetric relations to amplitudes with massive scalars manifest at the level of the action. The formalism is extended to several quark flavors with different masses.}, archivePrefix = {arXiv}, author = {Schwinn, Christian}, citeulike-article-id = {3467277}, citeulike-linkout-0 = {http://arxiv.org/abs/0809.1442}, citeulike-linkout-1 = {http://arxiv.org/pdf/0809.1442}, eprint = {0809.1442}, keywords = {amplitude, quarks, twistors}, month = {Oct}, posted-at = {2008-10-31 03:57:35}, priority = {2}, title = {Twistor-inspired construction of massive quark amplitudes}, url = {http://arxiv.org/abs/0809.1442}, year = {2008} }

TY - JOUR ID - citeulike:3467277 L3 - citeulike-article-id:3467277 N2 - The analog of the Cachazo-Svrvcek-Witten rules for scattering amplitudes with massive quarks is derived following an approach previously employed for amplitudes with massive scalars. A prescription for the external wave-functions is given that leads to a one-to one relation between fields in the action and spin-states of massive quarks. Several examples for the application of the rules are given and the structure of some all-multiplicity amplitudes with a pair of massive quarks is discussed. The rules make supersymmetric relations to amplitudes with massive scalars manifest at the level of the action. The formalism is extended to several quark flavors with different masses. TI - Twistor-inspired construction of massive quark amplitudes KW - amplitude KW - quarks KW - twistors AU - Schwinn, Christian PY - 2008/Oct/30/ UR - http://arxiv.org/abs/0809.1442 ER -