Search Results - "F. Jegerlehner"
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An update of the HLS estimate of the muon g−2
Published in The European physical journal. C, Particles and fields (01-06-2013)“…A global fit of parameters allows us to pin down the Hidden Local Symmetry (HLS) effective Lagrangian, which we apply for the prediction of the leading…”
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Muon g-2 estimates: can one trust effective Lagrangians and global fits?
Published in The European physical journal. C, Particles and fields (01-12-2015)“…Previous studies have shown that the Hidden Local Symmetry (HLS) model, supplied with appropriate symmetry breaking mechanisms, provides an effective…”
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The η/η′→π+π-γ decays within BHLS2 and the muon HVP
Published in The European physical journal. C, Particles and fields (01-03-2024)“…The departure of the latest FNAL experimental average for the muon anomalous magnetic moment a μ = ( g μ - 2 ) / 2 measurements, having increased from 4.2 σ…”
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BHLS 2 upgrade: τ spectra, muon HVP and the [ π 0 , η , η ' ] system
Published in The European physical journal. C, Particles and fields (01-02-2022)“…The generic hidden local symmetry (HLS) model has recently given rise to its variant, defined by introducing symmetry breaking mostly in the vector meson…”
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BHLS2 upgrade: τ spectra, muon HVP and the [π0,η,η′] system
Published in The European physical journal. C, Particles and fields (01-02-2022)“…The generic hidden local symmetry (HLS) model has recently given rise to its BHLS 2 variant, defined by introducing symmetry breaking mostly in the vector…”
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BHLS2, a new breaking of the HLS model and its phenomenology
Published in The European physical journal. C, Particles and fields (01-02-2020)“…Previous studies have shown that the Hidden Local Symmetry (HLS) Model, supplied with appropriate symmetry breaking mechanisms, provides an Effective…”
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Upgraded breaking of the HLS model: a full solution to the τ−e+e− and ϕ decay issues and its consequences on g−2 VMD estimates
Published in The European physical journal. C, Particles and fields (2012)“…The muon anomalous magnetic moment a μ and the hadronic vacuum polarization are examined using data analyzed within the framework of a suitably broken HLS…”
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Erratum to: BHLS2, a new breaking of the HLS model and its phenomenology
Published in The European physical journal. C, Particles and fields (01-03-2020)“…The original version of this article was revised…”
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{\hbox {BHLS}}_2$$, a new breaking of the HLS model and its phenomenology
Published in The European physical journal. C, Particles and fields (01-02-2020)“…Abstract Previous studies have shown that the Hidden Local Symmetry (HLS) Model, supplied with appropriate symmetry breaking mechanisms, provides an Effective…”
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Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data
Published in The European physical journal. C, Particles and fields (01-04-2010)“…We present the achievements of the last years of the experimental and theoretical groups working on hadronic cross section measurements at the low-energy e + e…”
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Explicit results for the anomalous three point function and non-renormalization theorems
Published in Physics letters. B (10-08-2006)“…Two-loop corrections for the 〈VVA〉 correlator of the singlet axial and vector currents in QCD are calculated in the chiral limit for arbitrary momenta…”
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The O( ααs) correction to the pole mass of the t-quark within the Standard Model
Published in Nuclear physics. B (05-01-2004)“…We have calculated the O( αα s ) contributions to the relationship between the MS -mass and the pole of the t-quark propagator in the Standard Model in the…”
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A new hypergeometric representation of one-loop scalar integrals in d dimensions
Published in Nuclear physics. B (10-11-2003)“…A difference equation w.r.t. space–time dimension d for n-point one-loop integrals with arbitrary momenta and masses is introduced and a solution presented…”
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Pion pair production with higher order radiative corrections in low energy $e^+e^-$ collisions
Published in The European physical journal. C, Particles and fields (01-05-2002)Get full text
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Algebraic reduction of one-loop Feynman graph amplitudes
Published in Nuclear physics. B (31-01-2000)“…An algorithm for the reduction of one-loop n-point tensor integrals to basic integrals is proposed. We transform tensor integrals to scalar integrals with…”
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Two-loop QCD corrections of the massive fermion propagator
Published in Nuclear physics. B (01-02-1999)“…The off-shell two-loop correction to the massive quark propagator in an arbitrary covariant gauge is calculated and results for the bare and renormalized…”
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Measuring the FSR-inclusive $\pi^+\pi^-$ cross section
Published in The European physical journal. C, Particles and fields (01-05-2003)Get full text
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Testing non-perturbative strong interaction effects via the Adler function
Published in Physics letters. B (1999)“…Based on the compilation of the available e + e − data [S.I. Eidelman, F. Jegerlehner, Z. Phys. C 67 (1995) 585; F. Jegerlehner, Nucl. Phys. B (Proc. Suppl.)…”
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BHLS$_2$, a New Breaking of the HLS Model and its Phenomenology
Published in The European physical journal. C, Particles and fields (01-02-2020)“…Previous studies have shown that the Hidden Local Symmetry (HLS) Model, supplied with appropriate symmetry breaking mechanisms, provides an Effective…”
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The $$\eta /{\eta ^\prime }\rightarrow \pi ^+ \pi ^- \gamma $$ decays within BHLS$$_2$$ and the muon HVP
Published in The European physical journal. C, Particles and fields (21-03-2024)“…Abstract The departure of the latest FNAL experimental average for the muon anomalous magnetic moment $$a_\mu =(g_\mu -2)/2$$ a μ = ( g μ - 2 ) / 2…”
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