The H to 4 lepton partial width shifts by up to about 6 percent at one loop when the Higgs trilinear coupling is anomalous, offering a new observable for the Higgs self-coupling.
Multidimensional integration in a heterogeneous network environment
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abstract
We consider several issues related to the multidimensional integration using a network of heterogeneous computers. Based on these considerations, we develop a new general purpose scheme which can significantly reduce the time needed for evaluation of integrals with CPU intensive integrands. This scheme is a parallel version of the well-known adaptive Monte Carlo method (the VEGAS algorithm), and is incorporated into a new integration package which uses the standard set of message-passing routines in the PVM software system.
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Effect of anomalous $HHH$ coupling on the decay $H\rightarrow Z\,Z^*\rightarrow$ 4 charged leptons
The H to 4 lepton partial width shifts by up to about 6 percent at one loop when the Higgs trilinear coupling is anomalous, offering a new observable for the Higgs self-coupling.