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Unique Identification of Lee-Wick Gauge Bosons at Linear Colliders · Around

2007

Unique Identification of Lee-Wick Gauge Bosons at Linear Colliders

Rizzo, Thomas G.

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Grinstein, O'Connell and Wise have recently presented an extension of the Standard Model (SM), based on the ideas of Lee and Wick (LW), which demonstrates an interesting way to remove the quadratically divergent contributions to the Higgs mass induced by radiative corrections.

This model predicts the existence of negative-norm copies of the usual SM fields at the TeV scale with ghost-like propagators and negative decay widths, but with otherwise SM-like couplings.
In earlier work, it was demonstrated that the LW states in the gauge boson sector of these models, though easy to observe, cannot be uniquely identified as such at the LHC.
In this paper, we address the issue of whether or not this problem can be resolved at an $e^+e^-$ collider with a suitable center of mass energy range.

Built on

T. D. Lee and G. C. Wick, Phys. Rev. D 2
1971
Earlier work this paper cites.
For a recent review and original references, see T. G. Rizzo, arXiv:hep-ph/0610104. For some classic reviews of new gauge boson physics, see A. Leike, Phys. Rept. 317
1996
Earlier work this paper cites.
I. Antoniadis, Phys. Lett. B 246
1999
Earlier work this paper cites.

Similar

N. Arkani-Hamed, Y. Grossman and M. Schmaltz, Phys. Rev. D 61
Original
2000
Cited alongside, same era.
T. G. Rizzo, JHEP 0306
2003
Cited alongside, same era.
See the summary by the LEP Electroweak Working Group, http://lepewwg.web.cern.ch/LEPEWWG/plots/winter2007/
Cited in the paper.
B. Grinstein, D. O’Connell and M. B. Wise, arXiv:0704.1845 [hep-ph]
Original
Cited in the paper.
The direct search lower limit on the masses of new W ′ , Z ′ W^{\prime},Z^{\prime} gauge bosons with SM couplings is approaching 1 TeV from Run II data at the Tevatron. The lower bound on a SM-coupled Z ′ ( W ′ ) Z^{\prime}(W^{\prime}) is 923(965) GeV from CDF(D0). See, for example, P. Savard, “Searches for Extra Dimensions and New Gauge Bosons at the Tevatron,” talk given at the XXXIII International Conference on High Energy Physics
Cited in the paper.
B. Grinstein, D. O’Connell and M. B. Wise, arXiv:0710.5528 [hep-ph]; F. Krauss, T. E. J. Underwood and R. Zwicky, arXiv:0709.4054 [hep-ph]; T. R. Dulaney and M. B. Wise, arXiv:0708.0567 [hep-ph]; B. Grinstein, arXiv:0706.4185 [hep-ph]; F. Wu and M. Zhong, arXiv:0705.3287 [hep-ph]; J. R. Espinosa, B. Grinstein, D. O’Connell and M. B. Wise, arXiv:0705.1188 [hep-ph]
Original
Cited in the paper.

Then

M. Carena, T. M. P. Tait and C. E. M. Wagner, Acta Phys. Polon. B 33
2003
Later among the works it cites.
CMS Physics TDR, Volume II: CERN-LHCC-2006-021, ATLAS TDR, http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/TDR/TDR.html
2006
Later among the works it cites.

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