Journal
PHYSICS LETTERS B
Volume 723, Issue 4-5, Pages 307-313Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2013.04.060
Keywords
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Funding
- DOE [DE-FG0295-ER40896]
- Department of Science and Technology, Government of India [SR/S2/JCB-64/2007]
- CSIR
- ERC Advanced Grant Higgs@LHC
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Determining the spin and the parity quantum numbers of the recently discovered Higgs-like boson at the LHC is a matter of great importance. In this Letter, we consider the possibility of using the kinematics of the tagging jets in Higgs production via the vector boson fusion (VBF) process to test the tensor structure of the Higgs-vector boson (HVV) interaction and to determine the spin and CP properties of the observed resonance. We show that an anomalous HVV vertex, in particular its explicit momentum dependence, drastically affects the rapidity between the two scattered quarks and their transverse momenta and, hence, the acceptance of the kinematical cuts that allow to select the VBF topology. The sensitivity of these observables to different spin-parity assignments, including the dependence on the LHC center of mass energy, are evaluated. In addition, we show that in associated Higgs production with a vector boson some kinematical variables, such as the invariant mass of the system and the transverse momenta of the two bosons and their separation in rapidity, are also sensitive to the spin-parity assignments of the Higgs-like boson. (C) 2013 Elsevier B.V. All rights reserved.
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