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Showing 1 to 3 of 3 for “"unstable particles"”.
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Lie algebraic structures in integrable models, affine Toda field theory
… some detail and it is found that the presence of unstable particles in these theories gives rise to a staircase pattern in the corresponding scaling function.
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Smarticles: A Method for Identifying and Correcting Instability and Error Caused by Explicit Integration Techniques in Physically Based Simulations
… and fluid models, are limited by the sections of particles most susceptible to error. This results in the need for smaller time steps than required for the majority of the system. These sections can be diverse and dynamic, quickly changing in size and location based on forces in the system. …
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W-pair production near threshold in unstable particle effective theory
… The calculation is performed in the framework of unstable-particle effective theory, which allows for a gauge-invariant inclusion of instability effects, and for a systematic approximation of the full cross section with an expansion in the coupling constants, the ratio Gamma_W/M_W, and the non …