Results 61 to 70 of about 61,183 (280)
Witten-Veneziano mechanism and pseudoscalar glueball-meson mixing in holographic QCD [PDF]
Physical Review D, 2019 We revisit the $U(1)_A$ anomaly in the holographic model of low-energy QCD by Witten, Sakai, and Sugimoto, presenting a new and direct derivation of the Witten-Veneziano mechanism for generating the mass of the $\eta'$ through an anomalous mixing of the ...
J. Leutgeb, A. Rebhan
semanticscholar +1 more source
Pseudoscalar pole terms contributions to hadronic light-by-light corrections to the muonium hyperfine splitting [PDF]
, 2002 The contribution of pseudoscalar pole diagrams to the hadronic light-by-light corrections of order alpha^3 E_F to the ground state hyperfine splitting in hydrogenic atom is calculated in the pseudoscalar pole terms approximation.
A.P Martynenko +34 more
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Probing the light pseudoscalar window [PDF]
Physical Review D, 2003 22 pages, 4 ...
Christopher D. Carone +2 more
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SCALAR AND PSEUDOSCALAR GLUEBALLS [PDF]
International Journal of Modern Physics A, 2009 We employ two simple and robust results to constrain the mixing matrix of the isosinglet scalar mesons f0(1710), f0(1500), f0(1370): one is the approximate SU (3) symmetry empirically observed in the scalar sector above 1 GeV and confirmed by lattice QCD, and the other is the scalar glueball mass at 1710 MeV in the quenched approximation. In the SU (3)
openaire +3 more sources
Physics Letters B, 2016 A search is reported for a light pseudoscalar Higgs boson decaying to a pair of τ leptons, produced in association with a bb‾ pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a centre-of-mass energy of 8 TeV
V. Khachatryan +2 more
doaj +1 more source
Doped holographic fermionic system
European Physical Journal C: Particles and Fields, 2020 We construct a two-current model. It includes two gauge fields, which introduce the doping effect, and a neutral scalar field. And then we numerically construct an AdS black brane geometry with scalar hair.
Wenjun Huang +4 more
doaj +1 more source
Two and three pseudoscalar production in e + e − annihilation and their contributions to (g − 2) μ
Journal of High Energy Physics, 2021 A coherent study of e + e − annihilation into two (π + π − , K + K − ) and three (π + π − π 0 , π + π − η) pseudoscalar meson production is carried out within the framework of resonance chiral theory in energy region E ≲ 2 GeV. The work of [L.Y.
Wen Qin, Ling-Yun Dai, Jorge Portolés
doaj +1 more source
Discovering the Higgs with Low Mass Muon Pairs [PDF]
, 2009 Many models of electroweak symmetry breaking have an additional light pseudoscalar. If the Higgs boson can decay to a new pseudoscalar, LEP searches for the Higgs can be significantly altered and the Higgs can be as light as 86 GeV. Discovering the Higgs
/SLAC /Stanford U., Phys. Dept. +2 more
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Reconstructing heavy Higgs boson masses in a type X two-Higgs-doublet model with a light pseudoscalar particle [PDF]
Physical Review D, 2018 We analyze the prospects of reconstructing the mass of a heavy charged Higgs boson %have been analyzed in the context of a Type X two-Higgs doublet model where a light pseudoscalar $A$ in the mass range $40-60$ GeV is phenomenologically allowed, and is ...
E. Chun +4 more
semanticscholar +1 more source
The a0(980) in the single Cabibbo-suppressed process Λc → π0ηp
Physics Letters B, 2023 In this work, we have investigated the Cabibbo-suppressed process Λc→π0ηp, by taking into account the intermediate scalar state a0(980), which could be dynamically generated from the S-wave pseudoscalar-pseudoscalar interaction within the chiral unitary ...
Xue-Chao Feng +4 more
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