mass of gauge boson
Higgs Like Boson and Bound State of Gauge Bosons W+W
... In this theory, the gauge boson masses are naturally generated by pseudoscalar mesons ([3], §7.4.2) and Higgs is not needed. In Section 2, the equation of motion of the bound state is constructed from the ...
7
W mass and Triple Gauge Couplings at Tevatron
... W mass is a crucial parameter in the Standard Model (SM) of particle physics, providing constraints on the mass of the Higgs boson as well as on new physics models via quantum loop ...triple ...
5
A measurement of the triple gauge boson couplings and W boson polarisation in W-pair production at LEP2
... of mass energy [y/s) at the point of collision was 91 GeV, the rest mass of the Z® boson, thereby opening a whole new world of investigation into the neutral current interactions in the electroweak ...
263
Gauge-independent Higgs mechanism and the implications for quark confinement
... a gauge-invariant description for the Higgs mechanism by which a gauge boson acquires the ...of gauge symmetry signaled by a non-vanishing vacuum expectation value of the scalar ...manifestly ...
8
Search for new neutral gauge bosons with the CMS Experiment at the LHC
... a mass of several TeV) resonances in the spectrum of pairs of leptons and jets appear in four-dimensional models with an extended gauge sector (extra gauge boson Z beyond the SM with spin S = ...
5
A Measurement of the W Boson Mass Using Electrons at Large Rapidities
... We report a new measurement of the W boson mass using electrons detected at forward angles. We use 82 pb 21 of data recorded with the D0 detector during the 1994 – 1995 run of the Fermilab Tevatron pp ...
6
Search for a high mass Higgs boson using the ATLAS detector
... Higgs boson decaying via H → ZZ → ll j j (where l can be either an electron or a muon) has been performed over the mass range 200 GeV ≤ m H ≤ 600 GeV ...Z boson production in association with ...
6
Top-quark properties and mass measurements with the ATLAS detector
... Very recent measurement by ATLAS collaboration exploits lepton distributions in the eµ channel of t t ¯ events at centre-of-mass energy √ s = 8 TeV [23]. Some of the di ff erential cross sections of lep- tonic ...
13
Non-Resonance Searches with Lepton
... heavy gauge boson from the Sequential Standard Model (SSM) [1], excited chiral bosons [2], Kaluza-Klein (KK) bosons inspired by split-Universal Extra Dimensions (UED) [3] and preon binding energy of Contact ...
6
Single charged Higgs boson production at next generation linear colliders
... chine even when the pair production channel is unavailable. However, we should bear in mind that the detectability of such processes needs more realistic simulations in order to quantify the effect of the decay, the ...
19
Measurement of the W boson mass with the collider detector at Fermilab
... Inner Superlayers: Wires of the CTC inner superlayers have larger occupancy than those of the outer superlayers, giving a higher probability of using wrong hits in the inner layers. To check this the Z electron tracks ...
139
Measurement of the W boson mass at the collider detector at Fermilab
... The cross sections for neutral current deep inelastic scattering, e p ! e X, have been measured using 63:2 pb 1 of data collected with the ZEUS detector dur- ing 1999 and 2000. The single-differential cross sections d=dQ ...
22
Searches for New Physics with Lepton Flavours and Multi-lepton Final States in ATLAS
... The leptonic sector of the Standard Model (SM) is a promising area to search for new phenomena beyond the SM (BSM). In a bottom-up approach, the neutrino oscillations is probably one of the best established and mesured ...
7
Measurement of (WW +/-)-W-+/- vector-boson scattering and limits on anomalous quartic gauge couplings with the ATLAS detector
... triple gauge boson vertex with production of a W=Z boson in the s-channel (top left diagram), the t-channel exchange (top middle diagram), quartic gauge boson vertex (top right ...
34
Maier, Thomas (2017): Search for a high-mass Higgs Boson with the ATLAS detector at the LHC. Dissertation, LMU München: Fakultät für Physik
... Die vorliegende Arbeit pr¨ asentiert die Suche nach einem schweren Higgs Boson im Zerfalls- kanal H → W + W − → ` + ν` − ν. Dabei ist der Endzustand mit einem Elektron und einem ¯ Myon und deren assoziierten ...
120
Mass Spectrum in the Minimal Supersymmetric 3 3 1 Model
... symmetry is imposed on the lightest generation and extended to the other leptonic generations it follows that the quark sector must be enlarged by considering exotic charged quarks. It means that some gauge bosons ...
22
A study of how the particle spectra of SU(N) gauge theories with a fundamental Higgs emerge
... between gauge-invariant and gauge-variant quantities relies on the special structure of the standard model, where the gauge group and the global (custodial) symmetry group are the same, ...2) ...
8
An Upper Bound on the Higgs Self Coupling and Higgs Boson Mass from the Positivity Condition of the Mass Matrix
... Higgs boson is one of the main goals of present and future high energy ...its mass is fixed. Un- fortunately, the Higgs boson mass is a free parameter of the ...Higgs boson has been ...
5
Search for a high mass Higgs boson decaying to a W boson pair in pp collisions at √s=8 TeV with the ATLAS detector
... The major backgrounds in this analysis are top-quark and W W production, with additional contributions from W/Z+jets, multijets, and the diboson processes W Z, W γ, W γ ∗ , and ZZ . The top-quark and W W backgrounds are ...
66