In a finite box the axial-vector current matrix element between two nucleons requires a larger set of form factors than the usual two employed in infinite volume; the complete one-loop expressions are derived in SU(2) chiral EFT with Delta degrees of freedom.
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UNVERDICTED 6representative citing papers
A chiral EFT framework is constructed for |ΔB|=2 interactions that matches SMEFT operators to low-energy baryon processes and identifies new dinucleon decay channels sensitive to previously unconstrained operator structures.
Bounds on nucleon decays to three leptons are obtained from dim-6 LEFT Wilson coefficients constrained by two-body BNV limits, yielding results several orders of magnitude different from prior phase-space estimates for Δ(B-L)=0 modes.
LASSO regression on LQCD data determines quark-mass dependence of f_π, f_K, f_η in N²LO three-flavor ChPT and supplies LECs for SU(3)-limit baryon mass predictions.
STCF with 1 ab^{-1} can probe several-TeV new-physics scales in sterile-neutrino EFT and constrain an RPV SUSY parameter to ~0.1 TeV^{-2} for apparent BNV in unexplored Lambda_c+ channels.
Using LEFT operators and chiral PT, the authors derive improved partial lifetime bounds for 31 three-body BNV nucleon decay modes by constraining Wilson coefficients from two-body experimental data.
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EFT Pathways to $|\Delta B| =2$: Chiral Constructions and Phenomenology
A chiral EFT framework is constructed for |ΔB|=2 interactions that matches SMEFT operators to low-energy baryon processes and identifies new dinucleon decay channels sensitive to previously unconstrained operator structures.