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Power scaling rules for charmonia production and HQEFT
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Power scaling rules for charmonia production and HQEFT
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| dc.contributor.author | Sanchis Lozano, Miguel Ángel | |
| dc.date.accessioned | 2015-05-21T11:57:44Z | |
| dc.date.available | 2015-05-21T11:57:44Z | |
| dc.date.issued | 2001 | |
| dc.identifier.citation | Sanchis Lozano, Miguel Ángel 2001 Power scaling rules for charmonia production and HQEFT International Journal of Modern Physics A 16 25 4189 4206 | |
| dc.identifier.uri | http://hdl.handle.net/10550/43919 | |
| dc.description.abstract | We discuss the power scaling rules along the lines of a complete Heavy Quark Effective Field Theory (HQEFT) for the description of heavy quarkonium production through a color-octet mechanism. To this end, we firstly derive a tree-level heavy quark effective Lagrangian keeping both particle-antiparticle mixed sectors allowing for heavy quark-antiquark pair annihilation and creation, but describing only low-energy modes around the heavy quark mass. Then we show the consistency of using HQEFT fields in constructing four-fermion local operators a la NRQCD, to be identified with standard color-octet matrix elements. We analyze some numerical values extracted from charmonia production by different authors and their hierarchy in the light of HQEFT. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | International Journal of Modern Physics A, 2001, vol. 16, num. 25, p. 4189-4206 | |
| dc.subject | Física | |
| dc.title | Power scaling rules for charmonia production and HQEFT | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-05-21T11:57:45Z | |
| dc.identifier.doi | 10.1142/S0217751X01004852 | |
| dc.identifier.idgrec | 091237 | |
| dc.rights.accessRights | open access | es_ES |
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