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Cited by 253

The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.

Warped gravitons at the CERN LHC and beyond

Open access
Agashe, Kaustubh, Davoudiasl, Hooman, Perez, Gilad, Soni, Amarjit·2007·Physical Review D
DOI 10.1103/physrevd.76.036006
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Abstract

We study the production and decay of Kaluza-Klein (KK) gravitons at the CERN Large Hadron Collider (LHC), in the framework of a warped extra dimension in which the standard model (SM) fields propagate. Such a scenario can provide solutions to both the Planck-weak hierarchy problem and the flavor puzzle of the SM. In this scenario, the production via $q\overline{q}$ annihilation and decays to the conventional photon and lepton channels are highly suppressed. However, we show that graviton production via gluon fusion followed by decay to longitudinal $Z/W$ can be significant; vector boson fusion is found to be a subdominant production mode. In particular, the golden $ZZ$ decay mode offers a distinctive 4-lepton signal that could lead to the observation at the LHC with $300\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ (SLHC with $3\text{ }\text{ }{\mathrm{ab}}^{\ensuremath{-}1}$) of a KK graviton with a mass up to $\ensuremath{\sim}2$ ($\ensuremath{\sim}3$) TeV for the ratio of the ${\mathrm{AdS}}_{5}$ curvature to the Planck scale modestly above unity. We argue that (contrary to the lore) such a size of the curvature scale can still be within the regime of validity of the framework. Upgrades beyond the SLHC luminosity are required to discover gravitons heavier than $\ensuremath{\sim}4\text{ }\text{ }\mathrm{TeV}$, as favored by the electroweak and flavor precision tests in the simplest such models.

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Metadata

Authors
Agashe, K., Davoudiasl, H., Perez, G., & Soni, A.
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2007-08-31
Volume
76
Issue
3
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.76.036006
OpenAlex
W1544011939
Cited by
253
References
32
FWCI
9.91
Type
journal article
Language
en
Open access
green

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