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2010

The LHC Phenomenology of Vectorlike Confinement

Kilic, Can, Okui, Takemichi

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We investigate in detail the LHC phenomenology of "vectorlike confinement", where the Standard Model is augmented by a new confining gauge interaction and new light fermions that carry vectorlike charges under both the Standard Model and the new gauge group.

If the new interaction confines at the TeV scale, this framework gives rise to a wide range of exotic collider signatures such as the production of a vector resonance that decays to a pair of collider-stable charged massive particles (a "di-CHAMP" resonance), to a pair of collider-stable massive colored particles (a "di-R-hadron resonance), to multiple photons, $W$s and $Z$s via two intermediate scalars, and/or to multi-jet final states.
To study these signals at the LHC, we set up two benchmark models: one for the di-CHAMP and multi-photon signals, and the other for the di-R-hadron and multijet signals.
For the di-CHAMP/multi-photon model, Standard Model backgrounds are negligible, and we show that a full reconstruction of the spectrum is possible, providing powerful evidence for vectorlike confinement.

The LHC Phenomenology of Vectorlike Confinement · Around

Built on

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J. Pumplin, D. R. Stump, J. Huston, H. L. Lai, P. M. Nadolsky and W. K. Tung, JHEP 0207
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M. Fairbairn, A. C. Kraan, D. A. Milstead, T. Sjostrand, P. Skands and T. Sloan, “Stable massive particles at colliders,” Phys. Rept. 438
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T. Sjostrand, S. Mrenna and P. Z. Skands, JHEP 0605
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For a recent review containing a variety of possible extensions of the Standard Model, see D. E. Morrissey, T. Plehn and T. M. P. Tait, “New Physics at the LHC,” arXiv:0912.3259 [hep-ph]
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J. Kang and M. A. Luty, “Macroscopic Strings and ‘Quirks’ at Colliders,” arXiv:0805.4642 [hep-ph]
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J. Chen and T. Adams, “Searching for high speed long-lived charged massive particles at the LHC,” arXiv:0909.3157 [hep-ph]
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See, e.g., H. K. Dreiner, “An introduction to explicit R-parity violation,” arXiv:hep-ph/9707435, and references therein
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A. Pukhov et al
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J. Conway et al
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Then

C. Kilic, S. Schumann and M. Son, “Searching for Multijet Resonances at the LHC,” JHEP 0904
Original
2009
Later among the works it cites.
C. Kilic, T. Okui and R. Sundrum, “Vectorlike Confinement at the LHC,” JHEP 1002
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2010
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M. J. Strassler and K. M. Zurek, “Echoes of a hidden valley at hadron colliders,” Phys. Lett. B 651
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