Department of Physics, Washington University

**Claude Bernard**

- Contact information
- CV and Publication List
- Publications in Inspire high energy physics database
- Citation Information

**Youtube videos on popular science topics:**

- Orientation Talk for New Graduate Students (8/18/14)
- Graduate School Policy on Academic Probation and Dismissal
- Physics Department Policy on Academic Probation and Dismissal (final version approved by faculty 10/20/14)

**Information for Physics Graduate Students:**

**Some Recent Papers: **
(see Publications for a complete list)

- Gradient Flow Analysis on MILC HISQ Ensembles [PoS(Lattice 2014), 090; arXiv:1411.0068]
- Charmed and light pseudoscalar meson decay constants from HISQ Simulations [PoS(Lattice 2014), 382; arXiv:1411.2667]
- Finite-volume effects and the electromagnetic contributions to kaon and pion masses [PoS(Lattice 2014), 116; arXiv:1409.7139]
- Charmed and light pseudoscalar meson decay constants from four-flavor lattice QCD with physical light quarks [PRD 90 (2014) 074509, arXiv:1407.3772]
- Review of lattice results concerning low energy particle physics [Euro. Phys. Jour. C74, 2890 (2014), arXiv:1310.8555]
- Determination of |Vus| from a lattice-QCD calculation of the K -> pi l nu semileptonic form factor with physical quark masses [PRL 112, 112001(2004), arXiv:1312.1228; chosen as a "PRL Editor's Suggestion."]
- Charmed and strange pseudoscalar meson decay constants from HISQ simulations [arXiv:1312.0149, PoS[Lattice2013] 405]
- Semileptonic Kaon Decay in Staggered Chiral Perturbation Theory [PRD, 89, 054510 (2014); arXiv:1311.7511]
- K semileptonic form factor with HISQ fermions at the physical point [arXiv:1311.7264, PoS[Lattice2013] 395]
- Chiral Perturbation Theory for All-Staggered Heavy-Light Mesons [Phys. Rev. D 88 094017 (2013); arXiv:1309.4533]
- On the foundations of partially quenched chiral perturbation theory [Phys. Rev. D 88, 014004 (2013) [arXiv:1304.1948]
- Neutral B mixing in staggered chiral perturbation theory [Phys. Rev. D 87, 114503 (2013); arXiv:1303.0435]
- Electromagnetic contributions to pseudoscalar masses [PoS(CD12) 030; arXiv:1301.7137]
- Leptonic decay-constant ratio f_{K^+}/f_{pi^+} from lattice QCD with physical light quarks [PRL 110 (2013) 172003 [arXiv:1301.5855]
- Kaon semileptonic vector form factor and determination of |Vus| using staggered fermions [Phys. Rev. D 87, 073012 (2013); arXiv:1212.4993]
- Lattice QCD ensembles with four flavors of highly improved staggered quarks [Phys. Rev. D87, 054505 (2013), arXiv:1212.4768]
- Status of the MILC calculation of electromagnetic contributions to pseudoscalar masses [PoS(Lattice2012), 137; arXiv:1210.8157]
- Staggered chiral perturbation theory for all-staggered heavy-light mesons [PoS(Lattice2012), 199; arXiv:1211.0785]
- Pseudoscalar meson physics with four dynamical quarks [PoS(Lattice2012), 159; arXiv:1210.8431]
- Staggered chiral perturbation theory for neutral B mixing [PoS(Lattice2012), 201; arXiv:1211.0237]
- Neutral B-meson mixing from three-flavor lattice QCD: Determination of the SU(3)-breaking ratio xi [PRD; arXiv:1205.7013]
- B- and D-meson decay constants from three-flavor lattice QCD [PRD; arXiv:1112.3051]
- Transfer matrix for partially quenched QCD [Lattice 2010; arXiv:1011.0184]
- Electromagnetic corrections in staggered chiral perturbation theory [Lattice 2010; arXiv:1011.3994]
- Results for light pseudoscalar mesons [Lattice 2010; arXiv:1012.0868]
- Scaling studies of QCD with the dynamical HISQ action [PRD; arXiv:1004.0342]
- Topological susceptibility with the asqtad action [PRD; arXiv:1003.5695]
- Results from the MILC collaboration's SU(3) chiral perturbation theory analysis [Lattice 2009; arXiv:0910.3618]
- MILC results for light pseudoscalars [Chiral Dynamics 2009; arXiv:0910.2966]
- Nonperturbative QCD simulations with 2+1 flavors of improved staggered quarks [Rev. Mod. Phys.; arXiv:0903.3598]
- The B->pi ell nu semileptonic form factor at zero recoil from three-flavor QCD: A model independent determination of |Vub| [PRD; arXiv:0811.3640]
- The B->D* ell nu form factor at zero recoil from three-flavor QCD: A model independent determination of |Vcb| [PRD; arXiv:0808.2519]
- Effective field theories for QCD with rooted staggered fermions [PRD; arXiv:0712.2560]
- 't Hooft vertices, partial quenching, and rooted staggered QCD [PRD; arXiv:0711.0696]
- Status of the MILC light pseudoscalar meson project [Lattice 2007; arXiv:0710.1118]
- Scalar Meson Spectroscopy with Lattice Staggered Fermions [PRD; arXiv:0707.2402]
- Heavy-Light Semileptonic Decays in Staggered Chiral Perturbation Theory [PRD; arXiv:0704.0795v2]
- Low energy constants from the MILC Collaboration [Chiral Dynamics 2006; hep-lat/0611024]
- Regularizing QCD with staggered fermions and the fourth root trick [Lattice 2006; hep-lat/0610003]
- Update on the physics of light pseudoscalar mesons [Lattice 2006; hep-lat/0609053]
- Observations on staggered fermions at non-zero lattice spacing [PRD; hep-lat/0604017]
- Comment on "Chiral anomalies and rooted staggered fermions" [PLB; hep-lat/0603027]
- Staggered Chiral Perturbation Theory and the Fourth-Root Trick [PRD; hep-lat/0603011]
- Staggered Chiral Perturbation Theory for Heavy-Light Mesons [PRD; hep-lat/0510088]
- Update on pi and K Physics [Lattice 2005; hep-lat/0509137]
- Charmed meson decay constants in three-flavor lattice QCD [PRL; hep-lat/0506030]
- Chiral Perturbation Theory for Staggered Sea Quarks and Ginsparg-Wilson Valence Quarks [PRD; hep-lat/0504009]
- Order of the Chiral and Continuum Limits in Staggered Chiral Perturbation Theory [PRD; hep-lat/0412030]
- Semileptonic decays of D mesons in three-flavor lattice QCD [PRL; hep-lat/0408306]
- Light pseudoscalar decay constants, quark masses, and low energy constants from three-flavor lattice QCD [PRD; hep-lat/0407028]
- First determination of the strange and light quark masses from full lattice QCD [PRD (Rapid Communications); hep-lat/0405022]
- Light hadrons with improved staggered quarks: approaching the continuum limit [PRD; hep-lat/0402030]
- Pion and kaon physics with improved staggered quarks [hep-lat/0309088; writeup of Lattice 2003 poster]
- Pion and kaon physics with improved staggered quarks [Lattice 2003 poster (pdf; BIG!]
- Pseudoscalar Decay Constants in Staggered Chiral Perturbation Theory [hep-lat/0306026; PRD]
- Pion and Kaon masses in Staggered Chiral Perturbation Theory [hep-lat/0304014; PRD]
- High-Precision Lattice QCD Confronts Experiment [hep-lat/0304004; PRL]
- Chiral logs with staggered fermions [hep-lat/0209066; Lattice 2002, Boston]
- Heavy-light meson decay constants with Nf=3 [Lattice 2002, Boston]
- Lattice Calculation of Heavy-Light Decay Constants with Two Flavors of Dynamical Quarks [PRD; hep-lat/0206016]
- Chiral Logs in the Presence of Staggered Flavor Symmetry Breaking [PRD]
- Heavy-light decay constants with three dynamical flavors [Lattice 2001, Berlin]
- Lattice results for the decay constant of heavy-light vector mesons[PRD]
- Numerical Simulations of PT-Symmetric Quantum Field Theories[PRD]
- The QCD Spectrum with Three quark Flavors[PRD]
- Heavy Quark Physics on the Lattice[Plenary talk at Lattice 2000]
- Continuum limit of fB with dynamical fermions[Lattice 2000]
- Perturbation theory for fat-link fermion actions [Lat99]
- Talk at Aspen Winter Conference on Particle Physics[Jan., 1999]
- Lattice determination of heavy-light decay constants [PRL]
- Heavy-light decay constants: conclusions from the Wilson action [Lat98]
- A calculation of the Lepage-Mackenzie scale for the lattice axial and vector currents [PRD]
- Continuum Limit of Lattice QCD with Staggered Quarks in the Quenched Approximation --- A Critical Role for the Chiral Extrapolation [PRL]
- SU(3) Flavor Breaking in B mixing [PRD]
- Heavy Flavor 97 writeup
- Lattice 97 writeup
- writeup for "b20" (20th aniversary of b quark discovery)

**fB with Nf=2 (9/4/02)** raw data

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