Journal
PHYSICAL REVIEW LETTERS
Volume 103, Issue 25, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.251802
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Funding
- DOE [DE-FG02-95ER40896, DE-FG03-94ER40837]
- NSF [PHY-0503584]
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New physics models admit the interesting possibility of a Z(') weak boson associated with an extra U(1) gauge symmetry and a Higgs boson that is heavy enough to decay into a pair of Z bosons. Then Z(') production and decay via Z(')-> ZH -> ZZZ has a distinctive LHC signal that is nearly background-free and reconstructs the H and Z(') masses and widths. The Z(') decay to 3 pairs of leptons is especially distinctive. The ZH decay mode exists even if the Z(') is decoupled from leptons, which motivates an independent 6-lepton resonance search regardless of the dilepton search results.
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