The first lattice measurement of the sigma mass with exponential clover fermions in SU(2) with two fundamental flavours finds the effective mass agrees with the two-pion threshold, 2 m_PS.
Scaling SU(2) to 1000 GPUs using HiRep
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HiRep allows flexible simulations of higher representations of Wilson Fermions with various actions and gauge groups and a range of inverters and integrators. This is particularly important for enabling evaluations of observables relevant to phenomenological inputs for Beyond-the-Standard-Model physics from lattice field theory. We present progress on the GPU porting of available features, especially in terms of scaling to large jobs on AMD GPUs.
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The singlet scalar state in a chiral ensemble in $SU(2)$ with two fundamental flavours
The first lattice measurement of the sigma mass with exponential clover fermions in SU(2) with two fundamental flavours finds the effective mass agrees with the two-pion threshold, 2 m_PS.