Paul B. Mackenzie
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View article: The determinants of double energy vulnerability: A geospatial analysis
The determinants of double energy vulnerability: A geospatial analysis Open
This paper examines the spatial and social differences in people's lack of access to adequate energy and transport services in the UK. We respond to the need for developing a differentiated understanding of both the drivers and expressions…
View article: Light-quark connected intermediate-window contributions to the muon <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>g</mml:mi><mml:mo>−</mml:mo><mml:mn>2</mml:mn></mml:math> hadronic vacuum polarization from lattice QCD
Light-quark connected intermediate-window contributions to the muon hadronic vacuum polarization from lattice QCD Open
We present a lattice-QCD calculation of the light-quark connected contribution to window observables
\nassociated with the leading-order hadronic vacuum polarization contribution to the anomalous magnetic
\nmoment of the muon, aHVP;LO
\nμ …
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>D</mml:mi></mml:math>-meson semileptonic decays to pseudoscalars from four-flavor lattice QCD
-meson semileptonic decays to pseudoscalars from four-flavor lattice QCD Open
We present lattice-QCD calculations of the hadronic form factors for the semileptonic decays D→πℓν, D→Kℓν, and Ds→Kℓν. Our calculation uses the highly improved staggered quark (HISQ) action for all valence and sea quarks and includes Nf=2+…
View article: Lattice QCD production on commodity clusters at Fermilab
Lattice QCD production on commodity clusters at Fermilab Open
We describe the construction and results to date of Fermilab's three Myrinet-networked lattice QCD production clusters (an 80-node dual Pentium III cluster, a 48-node dual Xeon cluster, and a 128-node dual Xeon cluster). We examine a numbe…
View article: The fundamental constants of nature from lattice gauge theory simulations
The fundamental constants of nature from lattice gauge theory simulations Open
The fundamental laws of nature as we now know them are governed the fundamental parameters of the Standard Model. Some of these, such as the masses of the quarks, have been hidden from direct observation by the confinement of quarks. They …
View article: Monte Carlo renormalization group calculations for SU(2) lattice gauge theory
Monte Carlo renormalization group calculations for SU(2) lattice gauge theory Open
A Monte Carlo renormalization group calculation of the ..beta.. function in SU(2) lattice gauge theory is presented, using the blocking transformation proposed by Swendsen. I outline a strategy for improving the action using Monte Carlo me…
View article: Heavy quark physics
Heavy quark physics Open
Lattice calculations of heavy quark systems provide very good measures of the lattice spacing, a key element in recent determinations of the strong coupling constant using lattice methods. They also provide excellent testing grounds for la…
View article: Protocolo ERAS® en cirugía colorrectal
Protocolo ERAS® en cirugía colorrectal Open
Enhanced Recovery After Surgery (ERAS®) in colorectal surgery is a protocol that promotes quicker return to function. It follows the latest evidence-based research to promote stress reduction related to surgery. The recommended perioperati…
View article: Hadronic-vacuum-polarization contribution to the muon’s anomalous magnetic moment from four-flavor lattice QCD
Hadronic-vacuum-polarization contribution to the muon’s anomalous magnetic moment from four-flavor lattice QCD Open
We calculate the contribution to the muon anomalous magnetic moment hadronic vacuum polarization from the connected diagrams of up and down quarks, omitting electromagnetism. We employ QCD gauge-field configurations with dynamical $u, d, s…
View article: The hadronic vacuum polarization of the muon fromfour-flavor lattice QCD
The hadronic vacuum polarization of the muon fromfour-flavor lattice QCD Open
We present an update on the ongoing calculations by the Fermilab Lattice, HPQCD, and MILC Collaboration of the leading-order (in electromagnetism) hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon. Our …
View article: The hadronic vacuum polarization of the muon from four-flavor lattice QCD
The hadronic vacuum polarization of the muon from four-flavor lattice QCD Open
We present an update on the ongoing calculations by the Fermilab Lattice, HPQCD, and MILC Collaboration of the leading-order (in electromagnetism) hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon. Our …
View article: Up-, down-, strange-, charm-, and bottom-quark masses from four-flavor lattice QCD
Up-, down-, strange-, charm-, and bottom-quark masses from four-flavor lattice QCD Open
We calculate the up-, down-, strange-, charm-, and bottom-quark masses using\nthe MILC highly improved staggered-quark ensembles with four flavors of\ndynamical quarks. We use ensembles at six lattice spacings ranging from\n$a\\approx0.15$…
View article: Strong-Isospin-Breaking Correction to the Muon Anomalous Magnetic Moment from Lattice QCD at the Physical Point
Strong-Isospin-Breaking Correction to the Muon Anomalous Magnetic Moment from Lattice QCD at the Physical Point Open
All lattice-QCD calculations of the hadronic-vacuum-polarization contribution to the muon's anomalous magnetic moment to date have been performed with degenerate up- and down-quark masses. Here we calculate directly the strong-isospin-brea…
View article: Lattice QCD Application Development within the US DOE Exascale Computing Project
Lattice QCD Application Development within the US DOE Exascale Computing Project Open
In October, 2016, the US Department of Energy launched the Exascale Computing Project, which aims to deploy exascale computing resources for science and engineering in the early 2020’s. The project brings together application teams, softwa…
View article: Estimated Errors in |Vcd|/|Vcs| from semileptonic D decays
Estimated Errors in |Vcd|/|Vcs| from semileptonic D decays Open
We estimate statistical and systematic errors in the extraction of the CKM ratio {vert_bar}V{sub cd}{vert_bar}/{vert_bar}v{sub cs}{vert_bar} from exclusive D-meson semileptonic decays using lattice QCD and anticipated new experimental resu…
View article: Lattice quantum chromodynamics
Lattice quantum chromodynamics Open
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