[Formula Presented] boson pair production at CERN LHC in a stabilized Randall-Sundrum scenario

Seong Chan Park, H. S. Song, Jeonghyeon Song

Research output: Contribution to journalArticle

Abstract

We study the Z boson pair production at the CERN Large Hadron Collider in the Randall-Sundrum (RS) scenario with the Goldberger-Wise stabilization mechanism. It is shown that a comprehensive account of the Kaluza-Klein (KK) graviton and radion effects is crucial to probe the model: The KK graviton effects enhance the cross section of (Formula presented) on the whole so that the resonance peak of the radion becomes easy to detect, whereas the RS effects on the (Formula presented) process are rather insignificant. The (Formula presented) and invariant-mass distributions are presented to study the dependence of the RS model parameters. The production of longitudinally polarized Z bosons, to which the standard model contributions are suppressed, is mainly due to KK gravitons and the radion, providing one of the most robust methods to signal the RS effects. The (Formula presented) sensitivity bounds on (Formula presented) with (Formula presented) are also obtained such that the effective weak scale (Formula presented) of order (Formula presented) TeV can be experimentally probed.

Original languageEnglish
Number of pages1
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume65
Issue number7
DOIs
Publication statusPublished - 2002 Jan 1

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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