| | Creator | Title | Description | Subject | Date |
|---|
| 1 |  | DeTar, Carleton | Semileptonic D → π/K and B → π/D decays in 2+1 flavor lattice QCD | We present results for form factors of semileptonic decays of D and B mesons in 2+1 flavor lattice QCD using the MILC gauge configurations. With an improved staggered action for light quarks, we successfully reduce the systematic error from the chiral extrapolation. The results for D decays are in a... | Semileptonic decay | 2005-03 |
| 2 |  | DeTar, Carleton | Semileptonic decays of heavy mesons with the fat clover action | We are studying a variety of semileptonic decays of heavy-light mesons in an effort to improve the determination of the heavy-quark Standard-Model CKM matrix elements. Our fermion action is a novel, improved "fat" clover action that promises to reduce problems with exceptional configurations. Dynami... | Semileptonic decay; Decay constants; Staggered quarks; Fat-clover valence quarks | 2000-04 |
| 3 |  | Bernstein, Paul S. | Senior-Løken syndrome: a syndromic form of retinal dystrophy associated with nephronophthisis | Senior-Løken syndrome (SLS) is an autosomal recessive disease characterized by development of a retinitis (RP)- or Leber congenital amaurosis (LCA)-like retinal dystrophy and a medullary cystic kidney disease, nephronophthisis. Mutations in several genes (called nephrocystins) have been shown to ca... | | 2012-01-01 |
| 4 |  | Macleod, Robert S. | Sensitivity of epicardial electrical markers to acute ischemia detection | Introduction: We hypothesize that electrocardiographic measurements from the intramyocardial space contain more sensitive markers of ischemia than those detectable on the epicardium. The goal of this study was to evaluate different electrical markers for their potential to detect the earliest phases... | | 2014-01-01 |
| 5 |  | Capecchi, Mario R. | Sepp1UF forms are N-terminal selenoprotein P truncations that have peroxidase activity when coupled with thioredoxin reductase-1 | Mouse selenoprotein P (Sepp1) consists of an N-terminal domain (residues 1-239) that contains 1 selenocysteine (U) as residue 40 in a proposed redox-active motif (-UYLC-) and a Cterminal domain (residues 240-361) that contains 9 selenocysteines. Sepp1 transports selenium from the liver to other tiss... | | 2014-01-01 |
| 6 |  | Tasdizen, Tolga | Serial section registration of axonal confocal microscopy datasets for long-range neural circuit reconstruction | In the context of long-range digital neural circuit reconstruction, this paper investigates an approach for registering axons across histological serial sections. Tracing distinctly labeled axons over large distances allows neuroscientists to study very explicit relationships between the brain's com... | | 2012-01-01 |
| 7 |  | Gerig, Guido | Quantitative tract-based white matter development from birth to age 2 years | Few large-scale studies have been done to characterize the normal human brain white matter growth in the first years of life. We investigated white matter maturation patterns in major fiber pathways in a large cohort of healthy young children from birth to age two using diffusion parameters fraction... | White matter maturation; Axonal myelination; Early brain development; Diffusion properties; DTI atlas; Fiber tracking; Functional regression analysis | 2012-01-01 |
| 8 |  | DeTar, Carleton | Quark loop effects in semileptonic form factors for heavy-light mesons | We present preliminary results of a determination of the semileptonic form factor for the decay of pseudoscalar heavy-light mesons to pseudoscalar light-light mesons in full QCD. In this preliminary study we focus on the effects of dynamical quark loops. Accordingly, we compare results of simulati... | Semileptonic decay; Form factors; Quark loops; Wilson quarks | 2004-03 |
| 9 |  | Wu, Yong-Shi | Quiver matrix mechanics for IIB string theory (I): wrapping membranes and emergent dimension | In this paper we present a discrete, non-perturbative formulation for type IIB string theory. Being a supersymmetric quiver matrix mechanics model in the framework of M(atrix) theory, it is a generalization of our previous proposal of compactification via orbifolding for deconstructed IIA strings. ... | | 2004-04 |
| 10 |  | Wu, Yong-Shi | Quiver matrix mechanics for IIB string theory (II): generic dual tori, fractional matrix membrane and SL(2, Z) duality | With the deconstruction technique, the geometric information of a torus can be encoded in a sequence of orbifolds. By studying the Matrix Theory on these orbifolds as quiver mechanics, we present a formulation that (de)constructs the torus of generic shape on which Matrix Theory is "compactified". T... | | 2005-02 |
| 11 |  | Wu, Yong-Shi | Quiver mechanics for deconstructed matrix string | In this paper we propose a quiver model of matrix quantum mechanics with 8 supercharges which, on a Higgs branch, deconstructs the worldsheet of Matrix String Theory. This discrete model evades the fermion doubling problem and, in the continuum limit, enhances the number of supersymmetries to sixte... | | 2003-12 |
| 12 |  | Yu, Zhou; Myers, Dowell | Convergence or divergence in Los Angeles: three distinctive ethnic patterns of immigrant residential assimilation | This paper uses census microdata to examine five aspects of residential assimilation in the greater Los Angeles area. A double cohort method is used to separate the effect of duration in the U.S. from the effect of aging. We track a single arrival cohort that came in 1970-79, and analyze the process... | Residential assimilation; immigrants; cohort; Los Angeles; homeownership | 2006-01-11 |
| 13 |  | Moon, Ann M.; Capecchi, Mario R. | Roles of Fgf4 and Fgf8 in limb bud initiation and outgrowth. | Although numerous molecules required for limb bud formation have recently been identified, the molecular pathways that initiate this process and ensure that limb formation occurs at specific axial positions have yet to be fully elucidated. Based on experiments in the chick, Fgf8 expression in the in... | Animals; Apoptosis; Forelimb; Gene Expression Regulation, Developmental; High Mobility Group Proteins; Hindlimb; In Situ Hybridization; Mesoderm; Mice, Mutant Strains; Trans-Activators | 2004-09 |
| 14 | | Gerig, Guido | Group analysis of DTI fiber tract statistics with application to neurodevelopment | Diffusion tensor imaging (DTI) provides a unique source of information about the underlying tissue structure of brain white matter in vivo including both the geometry of major fiber bundles as well as quantitative information about tissue properties represented by derived tensor measures. This paper... | Diffusion tensor imaging; Registration; Tract modeling; Neurodevelopment; Statistical modeling | 2009-01-01 |
| 15 |  | Ring, Terry Arthur | Growth kinetics of hexagonal sub-micrometric β-tricalcium phosphate particles in ethylene glycol | Recently, uniform, non-agglomerated, hexagonal b-tricalcium phosphate (b-TCP) platelets (diameter 400-1700 nm, h 100-200 nm) were obtained at fairly moderate temperatures (90-170 C) by precipitation in ethylene glycol. Unfortunately, the platelet aspect ratios (diameter/thickness) obtained in the ... | | 2014-01-01 |
| 16 |  | Werner, Carol M.; Sansone, Carol; Brown, Barbara B. | Guided group discussion and attitude change: the roles of normative and informational influence | Group discussion has effectively changed attitudes and behaviors compared to individually-targeted messages (Lewin, 1952; Werner, 2003). This study examines the roles of normative and informational social influence in this effect. High school students heard a message about replacing toxic products w... | Elaboration likelihood model; ELM; waste reduction; sustainability; household hazardous waste; HHW; toxic waste; nontoxic alternatives; group discussion | 2008-03 |
| 17 |  | DeTar, Carleton | Heavy-light decay constants - MILC results with the Wilson action | We present the current status of our ongoing calculations of pseudoscalar meson decay constants for mesons that contain one light and one heavy quark (fB, fBs , fD, fDs ). We are currently generating new gauge configurations that include dynamical quarks and calculating the decay constants. In add... | Decay constants; Wilson action; Kogut-Susskind quarks; Staggered quarks; Chiral extrapolation | 1998-01 |
| 18 |  | DeTar, Carleton | Heavy-light decay constants using clover valence quarks and three flavors of dynamical improved staggered quarks | Starting in 2001, the MILC Collaboration began a large scale calculation of heavy-light meson decay constants using clover valence quarks on ensembles of three flavor configurations. For the coarse configurations, with a = 0.12 fm, eight combinations of dynamical light and strange quarks have been ... | Decay constants; Clover valence quarks; Staggered quarks | 2005-03 |
| 19 |  | DeTar, Carleton | Heavy-light decay constants with dynamical gauge configurations and Wilson or improved valence quark actions | We describe a calculation of heavy-light decay constants including virtual quark loop effects. We have generated dynamical gauge configurations at three _x000C_ values using two flavors of Kogut-Susskind quarks with a range of masses. These are analyzed with a Wilson valence quark action. Prelimin... | Decay constants; Kogut-Susskind quarks; Wilson quarks; Fat-clover valence quarks | 2000-04 |
| 20 |  | DeTar, Carleton | Heavy-light decay constants with three dynamical flavors | We present preliminary results for the heavy-light leptonic decay constants in the presence of three light dynamical flavors. We generate dynamical configurations with improved staggered and gauge actions and analyze them for heavy-light physics with tadpole improved clover valence quarks. When th... | Leptonic decay; Decay constants | 2002-03 |
| 21 |  | DeTar, Carleton | Heavy-light decay constants: conclusions from the Wilson action | We report on the results of a MILC collaboration calculation of fB, fBs , fD, fDs and their ratios. We discuss the most important errors in more detail than we have elsewhere. | Decay constants; Wilson action; Staggered quarks | 1999-03 |
| 22 |  | DeTar, Carleton | Heavy-light meson decay constants with N f = 3 | During the past year the MILC Collaboration has continued its study of heavy-light meson decay constants with three dynamical quarks. Calculations have been extended to a second lattice spacing of about 0.09 fm. At this lattice spacing, there are results in the quenched approximation and for thr... | Dynamical quarks | 2003-05 |
| 23 |  | Sutherland, James Clayton | A comparison of various models in predicting ignition delay in single-particle coal combustion | In this paper, individual coal particle combustion under laminar conditions is simulated using models with various levels of complexity for the particle and gas phase chemical kinetics. The mass, momentum and energy governing equations are fully coupled between the particle and the gas phase. In the... | | 2014-01-01 |
| 24 |  | Narus, Scott P. | A domain analysis model for eIRB systems: addressing the weak link in clinical research informatics | Institutional Review Boards (IRBs) are a critical component of clinical research and can become a significant bottleneck due to the dramatic increase, in both volume and complexity of clinical research. Despite the interest in developing clinical research informatics (CRI) systems and supporting dat... | | 2014-01-01 |
| 25 |  | Sutherland, James Clayton | A filter-independent model identification technique for turbulent combustion modeling | In this paper, we address a method to reduce the number of species equations that must be solved via application of Principal Component Analysis (PCA). This technique provides a robust methodology to reduce the number of species equations by identifying correlations in state-space and defining new v... | | 2012-01-01 |
