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Study of H → ZZ → 4ℓ ± with a full geant simulation of CMS detector

Deana Bomeštar ; Institute Ruđer Bošković, Zagreb, Croatia
Daniel Denegri ; DAPNIA/ SPP,CEN Saclay, France
Ritva Kinnunen ; SEFT, University of Helsinki, Finland
Alexandre Nikitenko ; ITEP, Moscow, Russia


Puni tekst: engleski pdf 1.137 Kb

str. 273-286

preuzimanja: 43

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Sažetak

We study the detection of H → ZZ → 4ℓ ± in the CMS detector at the nominal LHC energy √ s = 14 TeV and the possibility for an early detection at a reduced energy √ s = 10 TeV. A systematic study of the multi–lepton mass resolution is performed, including effects of internal and external radiation through detailed GEANT simulations. At √ s = 14 TeV, an integrated luminosity of 104 pb−1 allows exploration at a ≥ 5σ significance level a mass range from mH ≈ 2mZ up to mH ≈ 400 GeV. For 105 pb−1 , the mass reach is about 650 GeV. At √ s = 10 TeV, an integrated luminosity of 104 pb−1 does not provide a 5σ significance level for any value of Higgs mass, and 2 × 104 pb−1 alows one to explore a mass range from mH ≈ 2mZ to ≈ 350 GeV at ≥ 5σ level.

Ključne riječi

Hrčak ID:

303476

URI

https://hrcak.srce.hr/303476

Datum izdavanja:

3.9.1995.

Podaci na drugim jezicima: hrvatski

Posjeta: 166 *