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Polarizations of $\chi_{c1}$ and $\chi_{c2}$ in prompt production at the LHC
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abstract
Prompt $\chi_c$ production at hadron colliders may provide a unique test for the color-octet mechanism in nonrelativistic QCD. We present an analysis for the polarization observables of $\chi_{c1}$ and $\chi_{c2}$ at next-to-leading order in $\alpha_S$, and propose to measure them at the LHC, which is expected to be important for testing the validity of NRQCD.
Forward citations
Cited by 4 Pith papers
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Next-to-next-to-leading-order QCD corrections to ${}^3S_1^{(8)}$ gluon fragmentation function for quarkonium
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Automated NRQCD and NRQED simulations of quarkonium and leptonium production with P-wave states and physical-mass effects
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Double heavy quarkonia production with color-octet channels at Z factory and at the CEPC/FCC-ee
Color-octet channels are predicted to dominate many double heavy quarkonium production processes at future Z factories, with relativistic corrections suppressing charmonium rates by roughly a factor of two.
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Statistical analysis of the azimuthal asymmetry in the $J/\psi$ leptoproduction in unpolarized $ep$ collisions
In a selected kinematic region, the measured cos(psi) and cos(2psi) azimuthal asymmetries of J/psi leptoproduction can separate the color-singlet model, the 1S0[8]-dominant NRQCD picture, and the equal-color-octet NRQ...
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