Resolution of the LHCb ${\eta }_c$ anomaly

Sudhansu S. Biswal, Sushree S. Mishra, K. Sridhar

Due to the heavy-quark symmetry of Non-Relativistic Quantum Chromodynamics (NRQCD), the cross-section for the production of ${\eta }_c$ can be predicted. This NRQCD prediction when confr…