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Probing Heavy Quarkonium Production Mechnism: $\chi_c$ polarization
The necessicity of the color-octet mechanism in describing heavy quarkonium production is a longstanding puzzle. Compared to the yields of heavy quarkonium, its polarizations should be a sensitive observable to pin down the color-octet contributions. In this talk, I will focus on the $\chi_c$ polari...
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| Lenguaje: | eng |
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2014
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| Acceso en línea: | https://dx.doi.org/10.1063/1.4938646 http://cds.cern.ch/record/1975702 |