skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector

Abstract

We propose a scenario of gravity mediated supersymmetry breaking (gravity mediation) in a supersymmetric Randall-Sundrum model. In our setup, both the visible sector and the hidden sector coexist on the infrared (IR) brane. We introduce the Polonyi model as a simple hidden sector. Because of the warped metric, the effective cutoff scale on the IR brane is 'warped down', so that the gravity mediation occurs at a low scale. As a result, the gravitino is naturally the lightest superpartner (LSP) and contact interactions between the hidden and the visible sector fields become stronger. We address phenomenologies for various IR cutoff scales. In particular, we investigate collider phenomenology involving a scalar field (Polonyi field) in the hidden sector for the case with the IR cutoff around 10 TeV. We find a possibility that the hidden sector scalar can be produced at the LHC and the international linear collider (ILC). Interestingly, the scalar behaves like the Higgs boson of the standard model in the production process, while its decay process is quite different and, once produced, it will provide us with a very clean signature. The hidden sector may be no longer hidden.

Authors:
 [1];  [1];  [2]
  1. Theory Division, KEK, Oho 1-1, Tsukuba 305-0801 (Japan)
  2. SISSA, Via Beirut 4, I-34014 Trieste (Italy)
Publication Date:
OSTI Identifier:
20871138
Resource Type:
Journal Article
Journal Name:
Physical Review. D, Particles Fields
Additional Journal Information:
Journal Volume: 74; Journal Issue: 5; Other Information: DOI: 10.1103/PhysRevD.74.055005; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0556-2821
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CERN LHC; GRAVITATION; HIGGS BOSONS; LINEAR COLLIDERS; PARTICLE DECAY; PARTICLE INTERACTIONS; SCALAR FIELDS; SCALARS; STANDARD MODEL; SUPERSYMMETRY; SYMMETRY BREAKING; TEV RANGE

Citation Formats

Itoh, Hideo, Okada, Nobuchika, Department of Particle and Nuclear Physics, The Graduate University for Advanced Studies, and Yamashita, Toshifumi. Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector. United States: N. p., 2006. Web. doi:10.1103/PHYSREVD.74.055005.
Itoh, Hideo, Okada, Nobuchika, Department of Particle and Nuclear Physics, The Graduate University for Advanced Studies, & Yamashita, Toshifumi. Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector. United States. https://doi.org/10.1103/PHYSREVD.74.055005
Itoh, Hideo, Okada, Nobuchika, Department of Particle and Nuclear Physics, The Graduate University for Advanced Studies, and Yamashita, Toshifumi. 2006. "Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector". United States. https://doi.org/10.1103/PHYSREVD.74.055005.
@article{osti_20871138,
title = {Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector},
author = {Itoh, Hideo and Okada, Nobuchika and Department of Particle and Nuclear Physics, The Graduate University for Advanced Studies and Yamashita, Toshifumi},
abstractNote = {We propose a scenario of gravity mediated supersymmetry breaking (gravity mediation) in a supersymmetric Randall-Sundrum model. In our setup, both the visible sector and the hidden sector coexist on the infrared (IR) brane. We introduce the Polonyi model as a simple hidden sector. Because of the warped metric, the effective cutoff scale on the IR brane is 'warped down', so that the gravity mediation occurs at a low scale. As a result, the gravitino is naturally the lightest superpartner (LSP) and contact interactions between the hidden and the visible sector fields become stronger. We address phenomenologies for various IR cutoff scales. In particular, we investigate collider phenomenology involving a scalar field (Polonyi field) in the hidden sector for the case with the IR cutoff around 10 TeV. We find a possibility that the hidden sector scalar can be produced at the LHC and the international linear collider (ILC). Interestingly, the scalar behaves like the Higgs boson of the standard model in the production process, while its decay process is quite different and, once produced, it will provide us with a very clean signature. The hidden sector may be no longer hidden.},
doi = {10.1103/PHYSREVD.74.055005},
url = {https://www.osti.gov/biblio/20871138}, journal = {Physical Review. D, Particles Fields},
issn = {0556-2821},
number = 5,
volume = 74,
place = {United States},
year = {Fri Sep 01 00:00:00 EDT 2006},
month = {Fri Sep 01 00:00:00 EDT 2006}
}