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Probing the Weinberg operator at colliders
2021
Physical Review D
Motivated by searches for 0νββ decay in nuclear experiments and collider probes of lepton number violation at dimension d ≥ 7, we investigate the sensitivity to the d = 5 Weinberg operator using the non-resonant signature pp → ± ± jj at the LHC. We develop a prescription for the operator that is applicable in collisions and decays, and focus on the = µµ channel, which is beyond the reach of nuclear decays. For a Wilson coefficient C µµ 5 = 1, scales as heavy as Λ ∼ 8.3 (13) TeV can be probed
doi:10.1103/physrevd.103.115014
fatcat:mjjetyhf4ve2he53fswamwj5aa