NRQCD colour-octet expansion vs. LHC quarkonium production: signs of a hierarchy puzzle?
Abstract The observation of unpolarized quarkonium production in high energy pp collisions, at mid rapidity, implies a significant violation of the non-relativistic QCD (NRQCD) velocity scaling rules. A precise experimental confirmation of this picture could definitely rule out the current formulati...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2019-05-01
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Series: | European Physical Journal C: Particles and Fields |
Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-019-6968-0 |