منابع مشابه
Higgs particle detection using jets.
We study the possibility of detecting the Higgs boson in the intermediate mass range via its two jet channel. We consider only Higgs bosons produced in association with a t ¯ t pair. Both t and ¯ t are required to decay semileptoni-cally to reduce the QCD background. The signal is compared with the main background, t ¯ t + 2 jets, after appropriate cuts. A sizable signal above background is see...
متن کاملOn particle–like jets
Under which conditions does a jet appear as a particle–like signal from the hidden realm of quarks and gluons? Motivated by this question jet clustering conditions are formulated, in order to characterize jet clustering algorithms, which can be used for a determination of particle–like jets. Jets are understood as particle–like, if they behave like free particles. The simplest solution to the j...
متن کاملHidden Higgs Particle
A modification of the standard model of electroweak interactions with the nonlocal Higgs sector is proposed. Proper form of nonlocality makes Higgs particles unobservable after the elec-troweak symmetry breaking. They appear only as a virtual state because their propagator is an entire function. We discuss some specific consequences of this approach comparing it with the conventional standard m...
متن کاملPrecision Measurements of Particle Masses using Jets at LEP 2
How massive elementary particles get their mass is one of the greatest open questions in physics. Two of the major goals of the current LEP2 physics program that help to address this question are (a) to measure as precisely as possible the W Boson mass m W and (b) to exclude or discover the Higgs Boson within the available kinematic region. The reconstruction of invariant masses with jets from ...
متن کاملHiggs Particle Decays in Supersymmetry ∗
We present a detailed study of the decays of the Higgs bosons H+, H0, and A0 within the Minimal Supersymmetric Standard Model including SUSY–QCD corrections. We find that the supersymmetric modes t̃ ̄̃ b (t̃̄t̃, and for large tanβ b̃ ̄̃ b) can dominate the H+ (H0, A0) decays in a wide range of the model parameters due to the large Yukawa couplings and mixings of t̃ and b̃. Compared to the conventional mod...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1993
ISSN: 0556-2821
DOI: 10.1103/physrevd.48.r1899