141,586 research outputs found
Penguin diagrams for the HYP staggered fermions
We present results of the one-loop corrections originating from the penguin
diagrams for the improved staggered fermion operators constructed using various
fat links such as Fat7, Fat7+Lepage, , HYP (I) and HYP (II).
The main results include the diagonal/off-diagonal mixing coefficients and the
matching formula between the continuum and lattice operators.Comment: 4 figures, Contribution to Lattice 200
Communication, coordination and networks
We study experimentally how the network structure and length of pre-play communication affect behavior and outcome in a multi-player coordination game with
conflicting preferences. Network structure matters but the interaction between network and time effects is more subtle. Under each time treatment, substantial variations are observed in both the rate of coordination and distribution of coordinated outcomes across networks. But, increasing the communication length improves both efficiency and equity of coordination. In all treatments, coordination is mostly explained by convergence in communication. We also identify behaviors that explain
variations in the distribution of coordinated outcomes both within and across networks
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