X (3872) in QCD Sum Rules
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| Format: | Artículo científico |
| Language: | en |
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Sociedade Brasileira de Física
2007
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| _version_ | 1876490520577966080 |
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| author | R. D. Matheus |
| author_facet | R. D. Matheus |
| contents | X (3872) in QCD Sum Rules R. D. Matheus Física, Astronomía y Matemáticas Tetraquarks QCD sum rules Axial vector mesons QCD spectral sum rules is used to test the nature of the meson X(3872), assumed to be an exotic fourquark(c ¯ cq ¯ q) state with JPC = 1++. For definiteness, the current proposed recently by Maiani et al [1] isused, at leading order in as, considering the contributions of higher dimension condensates. The value MX =(3:94§0:11) GeV is found which is compatible, within the errors, with the experimental candidate X(3872).The uncertainties of our estimates are mainly due to the one from the c quark mass. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437120 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.1A Vol.37 |
| format | Artículo científico |
| id | redalyc_46437120 |
| institution | Redalyc |
| language | en |
| publishDate | 2007 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | X (3872) in QCD Sum Rules R. D. Matheus Física, Astronomía y Matemáticas Tetraquarks QCD sum rules Axial vector mesons X (3872) in QCD Sum Rules R. D. Matheus Física, Astronomía y Matemáticas Tetraquarks QCD sum rules Axial vector mesons QCD spectral sum rules is used to test the nature of the meson X(3872), assumed to be an exotic fourquark(c ¯ cq ¯ q) state with JPC = 1++. For definiteness, the current proposed recently by Maiani et al [1] isused, at leading order in as, considering the contributions of higher dimension condensates. The value MX =(3:94§0:11) GeV is found which is compatible, within the errors, with the experimental candidate X(3872).The uncertainties of our estimates are mainly due to the one from the c quark mass. 2007 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46437120 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.1A Vol.37 |
| title | X (3872) in QCD Sum Rules |
| topic | Física, Astronomía y Matemáticas Tetraquarks QCD sum rules Axial vector mesons |
| url | https://www.redalyc.org/articulo.oa?id=46437120 |