Searching for Lee-Wick Gauge Bosons at the LHC

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In an extension of the Standard Model(SM) based on the ideas of Lee and Wick, Grinstein, O'Connell and Wise have found an interesting way to remove the usual quadratically divergent contributions to the Higgs mass induced by radiative corrections. Phenomenologically, the model predicts the existence of Terascale, negative-norm copies of the usual SM fields with rather unique properties: ghost-like propagators and negative decay widths, but with otherwise SM-like couplings. The model is both unitary and causal on macroscopic scales. In this paper we examine whether or not such states with these unusual properties can be uniquely identified as such at ... continued below

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15 pages

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Rizzo, Thomas G. April 30, 2007.

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In an extension of the Standard Model(SM) based on the ideas of Lee and Wick, Grinstein, O'Connell and Wise have found an interesting way to remove the usual quadratically divergent contributions to the Higgs mass induced by radiative corrections. Phenomenologically, the model predicts the existence of Terascale, negative-norm copies of the usual SM fields with rather unique properties: ghost-like propagators and negative decay widths, but with otherwise SM-like couplings. The model is both unitary and causal on macroscopic scales. In this paper we examine whether or not such states with these unusual properties can be uniquely identified as such at the LHC. We find that in the extended strong and electroweak gauge boson sector of the model, which is the simplest one to analyze, such an identification can be rather difficult. Observation of heavy gluon-like resonances in the dijet channel offers the best hope for this identification.

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15 pages

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  • Journal Name: Journal of High Energy Physics (JHEP)

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  • Report No.: SLAC-PUB-12481
  • Grant Number: AC02-76SF00515
  • DOI: 10.1088/1126-6708/2007/06/070 | External Link
  • Office of Scientific & Technical Information Report Number: 903006
  • Archival Resource Key: ark:/67531/metadc883320

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Office of Scientific & Technical Information Technical Reports

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  • April 30, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 9, 2016, 8:25 p.m.

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Rizzo, Thomas G. Searching for Lee-Wick Gauge Bosons at the LHC, article, April 30, 2007; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc883320/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.