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Z' Coupling Information from the LHeC · Around

2008

Z' Coupling Information from the LHeC

Rizzo, Thomas G.

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If the LHC discovers a $Z'$-like state the extraction of its couplings to the particles of the Standard Model becomes mandatory in order to determine the nature of the underlying new physics theory.

It has been well-known for some time that the direct measurements performed at the LHC in the Drell-Yan channel cannot determine these parameters uniquely in a model-independent manner even if large integrated luminosities, $\sim 100 fb^{-1}$, become available and the $Z'$ is relatively light $\lsim 1.5$ TeV.
Here we examine the possibility that a proposed $e_{L,R}^\pm p$ collider upgrade at the LHC, the LHeC, with $\sqrt s=1.5-2$ TeV could be helpful with such coupling determinations in the years before a Linear Collider is constructed.
We show that the polarization and charge asymmetries constructed from the cross sections for these processes can be useful in this regard depending upon the specific values of the particular $Z'$ model parameters.

Built on

T. Rizzo and D. P. Sidhu, Phys. Rev. D 21
1987
Earlier work this paper cites.
S. Capstick and S. Godfrey, Phys. Rev. D 35
1987
Earlier work this paper cites.
For recent reviews and original references, see P. Langacker, arXiv:0801.1345 [hep-ph]; T. G. Rizzo, arXiv:hep-ph/0610104; M. S. Carena, A. Daleo, B. A. Dobrescu and T. M. P. Tait, Phys. Rev. D 70
Original
1996
Earlier work this paper cites.

Similar

See, for example, S. Godfrey, P. Kalyniak and A. Tomkins, arXiv:hep-ph/0511335; S. Riemann, In the Proceedings of 1996 DPF / DPB Summer Study on New Directions for High-Energy Physics (Snowmass 96), Snowmass, Colorado, 25 Jun - 12 Jul 1996, pp NEW141
1997
Cited alongside, same era.
CMS Physics Technical Design Report, https://cmsdoc.cern.ch/cms/cpt/tdr/ and G. L. Bayatian et al
2007
Cited alongside, same era.
E. Perez, Prepared for 15th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2007), Munich, Germany, 16-20 Apr 2007
2007
Cited alongside, same era.
ATLAS Detector and Physics Performance Technical Design Report, http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/TDR/access.html
Cited in the paper.
F. Petriello and S. Quackenbush, arXiv:0801.4389 [hep-ph]
Original
Cited in the paper.

Then

For an overview of the LHeC proposal, see J. Dainton, Prepared for 15th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2007), Munich, Germany, 16-20 Apr 2007
2008
Closest in time.
Y. de Boer, talk given at the Recontres de Moriond EW 2008, La Thuile, 1-8 March 2008
2008
Closest in time.
M. Eads, talk given at the Recontres de Moriond QCD 2008, La Thuile, 8-15 March 2008
Original
2008
Closest in time.

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