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HELAC-Onia: an automatic matrix element generator for heavy quarkonium physics
By the virtues of the Dyson-Schwinger equations, we upgrade the published code \mtt{HELAC} to be capable to calculate the heavy quarkonium helicity amplitudes in the framework of NRQCD factorization, which we dub \mtt{HELAC-Onia}. We rewrote the original \mtt{HELAC} to make the new program be able t...
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| Lenguaje: | eng |
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2012
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| Acceso en línea: | https://dx.doi.org/10.1016/j.cpc.2013.05.023 http://cds.cern.ch/record/1502312 |