Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-07-24
Phys.Rev. D63 (2001) 015005
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, to be published in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.63.015005
We propose a simple scenario of the dynamical supersymmetry breaking in four dimensional supergravity theories. The supersymmetry breaking sector is assumed to be completely separated as a sequestered sector from the visible sector, except for the communication by the gravity and U(1)_R gauge interactions, and the supersymmetry breaking is mediated by the superconformal anomaly and U(1)_R gauge interaction. Supersymmetry is dynamically broken by the interplay between the non-perturbative effect of the gauge interaction and Fayet-Iliopoulos D-term of U(1)_R which necessarily exists in supergravity theories with gauged U(1)_R symmetry. We construct an explicit model which gives phenomenologically acceptable mass spectrum of superpartners with vanishing (or very small) cosmological constant.
Kitazawa Noriaki
Maru Nobuhito
Okada Nobuchika
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