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Single-photon signals at CERN LEP in supersymmetric models with a light gravitino
We study the single-photon signals expected at LEP in models with a very light gravitino. The dominant process is neutralino-gravitino production (e+e- -> chi+ G) with subsequent neutralino decay via chi->gamma+G, giving a gamma+E_miss signal. We first calculate the cross section at arbitrary...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1996
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.55.5813 http://cds.cern.ch/record/315707 |