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Simulating spin-3/2 particles at colliders
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DOI：10.1140/epjc/s10052-013-2580-x.png)
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摘要
En 中文
Support for interactions of spin- particles is implemented in the FeynRules and ALOHA packages and tested with the MadGraph 5 and CalcHEP event generators in the context of three phenomenological applications. In the first, we implement a spin- Majorana gravitino field, as in local supersymmetric models, and study gravitino and gluino pair-production. In the second, a spin- Dirac top-quark excitation, inspired from compositeness models, is implemented. We then investigate both top-quark excitation and top-quark pair-production. In the third, a general effective operator for a spin- Dirac quark excitation is implemented, followed by a calculation of the angular distribution of the s-channel production mechanism.
Keyword:
YANG-MILLS THEORIES
AUTOMATIC-GENERATION
EXCITED QUARKS
FEYNMAN-RULES
SUPERGRAVITY
GRAVITINO
AMPLITUDES
SYMMETRY
PACKAGE
SIGNALS
期刊
IF:
4.8
论文数:
1.8W
被引数:
4.7W
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引用论文
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