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- Brookhaven National LaboratoryUS228 papers
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60 papers · 1 filter
Neutron-Antineutron Operator Renormalization
Michael I. Buchoff, Michael Wagman
Baryon number symmetry violating theories beyond the standard model with suppressed proton decay rates can be experimentally constrained by data on neutron-antineutron transition r…
Precision calculations of nucleon charges , ,
Rajan Gupta, Tanmoy Bhattacharya, Anosh Joseph +2
We present a detailed analysis of statistical and systematic errors in the calculation of matrix elements of iso-vector scalar, axial and tensor charges between a neutron and a pro…
Phase diagram of non-degenerate Wilson and twisted mass fermions
Derek P. Horkel, Stephen R. Sharpe
In this talk we determine the phase diagram and pion spectrum for Wilson and twisted-mass fermions in the presence of non-degeneracy between the up and down quark and discretizatio…
Three-particle quantization condition: an update
Maxwell T. Hansen, Stephen R. Sharpe
We give an update on our derivation of a quantization condition relating the finite-volume spectrum of three particles in a cubic box to infinite-volume scattering quantities. We h…
Lattice Hadron Structure: Applications within and beyond QCD
Huey-Wen Lin
Study of the hadronic matrix elements can provide not only tests of the QCD sector of the Standard Model (in comparing with existing experiments) but also reliable low-energy hadro…
Singular values of the Dirac operator at nonzero density
Takuya Kanazawa, Tilo Wettig, Naoki Yamamoto
At nonzero density the eigenvalues of the Dirac operator move into the complex plane, while its singular values remain real and nonnegative. In QCD-like theories, the singular-valu…