Collider Signals Of Top Quark Flavor Violation From A Warped ExtraDimension

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We study top quark flavor violation in the framework of a warped extra dimension with the Standard Model (SM) fields propagating in the bulk. Such a scenario provides solutions to both the Planck-weak hierarchy problem and the flavor puzzle of the SM without inducing a flavor problem. We find that, generically, tcZ couplings receive a huge enhancement, in particular the right handed ones can be {Omicron}(1%). This results in BR (t {yields} cZ) at or above the sensitivity of the Large Hadron Collider (LHC). At the International Linear Collider (ILC), single top production, via e{sup +}e{sup -} {yields} t{bar c}, ... continued below

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Agashe, Kaustubh; Perez, Gilad & Soni, Amarjit August 29, 2006.

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We study top quark flavor violation in the framework of a warped extra dimension with the Standard Model (SM) fields propagating in the bulk. Such a scenario provides solutions to both the Planck-weak hierarchy problem and the flavor puzzle of the SM without inducing a flavor problem. We find that, generically, tcZ couplings receive a huge enhancement, in particular the right handed ones can be {Omicron}(1%). This results in BR (t {yields} cZ) at or above the sensitivity of the Large Hadron Collider (LHC). At the International Linear Collider (ILC), single top production, via e{sup +}e{sup -} {yields} t{bar c}, can be a striking signal for this scenario. In particular, it represents a physics topic of critical importance that can be explored even with a relatively low energy option, close to the tc threshold. At both the LHC and the ILC, angular distributions can probe the above prediction of dominance of right-handed couplings.

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  • Journal Name: Physical Review D; Journal Volume: 75; Related Information: Journal Publication Date: 2007

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  • Report No.: LBNL--61945
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 923010
  • Archival Resource Key: ark:/67531/metadc894166

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  • August 29, 2006

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 2, 2016, 10:16 p.m.

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Agashe, Kaustubh; Perez, Gilad & Soni, Amarjit. Collider Signals Of Top Quark Flavor Violation From A Warped ExtraDimension, article, August 29, 2006; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc894166/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.