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149 papers · 1 filter
Measuring Arg() in
Frank Würthwein, Peter Gaidarev
It has previously been shown that a measurement of Arg can be obtained from a triangle construction using , , ${…
Measurement of Relativistic Orbital Decay in the PSR B1534+12 Binary System
I. H. Stairs, Z. Arzoumanian, F. Camilo +5
We have made timing observations of binary pulsar PSR B1534+12 with radio telescopes at Arecibo, Green Bank, and Jodrell Bank. By combining our new observations with data collected…
Finiteness of classifying spaces of relative diffeomorphism groups of 3-manifolds
Allen Hatcher, Darryl McCullough
The main theorem shows that if M is an irreducible compact connected orientable 3-manifold with non-empty boundary, then the classifying space BDiff(M rel dM) of the space of diffe…
Failure of linear control in noisy coupled map lattices
David A. Egolf, Joshua E. S. Socolar
We study a 1D ring of diffusively coupled logistic maps in the vicinity of an unstable, spatially homogeneous fixed point. The failure of linear controllers due to additive noise i…
Measurement of using Partila Reconstruction of
CLEO Collaboration, M. Artuso et al
We present a measurement of the absolute branching fraction for using the reconstruction of the decay chain , wh…
Pulsed sputtering during homoepitaxial surface growth: layer-by-layer forever
Joachim Jacobsen, James P. Sethna
The homoepitaxial growth of initially flat surfaces has so far always led to surfaces which become rougher and rougher as the number of layers increases: even in systems exhibiting…
Waveform propagation in black hole spacetimes: evaluating the quality of numerical solutions
L. Rezzolla, A. M. Abrahams, T. W. Baumgarte +4
We compute the propagation and scattering of linear gravitational waves off a Schwarzschild black hole using a numerical code which solves a generalization of the Zerilli equation…
Study of Semileptonic Decays of B Mesons to Charmed Baryons
CLEO Collaboration, G. Bonvicini et al
Using data collected by the CLEO II detector at the center-of-mass energy on or near the Upsilon(4S) resonance, we have determined the 90% confidence level upper limit B(Bbar --> L…
A quark action for very coarse lattices
M. Alford, Timothy Klassen, Peter Lepage
We investigate a tree-level O(a^3)-accurate action, D234c, on coarse lattices. For the improvement terms we use tadpole-improved coefficients, with the tadpole contribution measure…
A quantum kinetic equation for Fermi-systems including three-body correlations
A. Sedrakian, G. Roepke
A single-time quantum transport equation, which includes effects beyond the quasiparticle approximation, is derived for Fermi-systems in the framework of non-equilibrium real-time…
F-theory and linear sigma models
M. Bershadsky, T. M. Chiang, B. R. Greene +2
We present an explicit method for translating between the linear sigma model and the spectral cover description of SU(r) stable bundles over an elliptically fibered Calabi-Yau mani…
Parity Violation in Neutrino Transport and the Origin of Pulsar Kicks
Dong Lai, Y. -Z. Qian
In proto-neutron stars with strong magnetic fields, the neutrino-nucleon scattering/absorption cross sections depend on the direction of neutrino momentum with respect to the magne…
Boosted three-dimensional black-hole evolutions with singularity excision
The Binary Black Hole Grand Challenge Alliance, :, G. B. Cook +43
Binary black hole interactions provide potentially the strongest source of gravitational radiation for detectors currently under development. We present some results from the Binar…
Nonlocal character of quantum theory?
N. David Mermin
In a recent article under the above title (but without the question mark) Henry Stapp presented arguments which lead him to conclude that under suitable conditions ``the truth of a…
Quantum mechanical instabilities of Cauchy horizons in two dimensions - a modified form of the blueshift instability mechanism
Eanna E. Flanagan
There are several examples known of two dimensional spacetimes which are linearly stable when perturbed by test scalar classical fields, but which are unstable when perturbed by te…
Observation of the Radiative Decay
CLEO Collaboration, J. Bartelt et al
We have observed a signal for the decay D*+ -> D+ gamma at a significance of 4 standard deviations. From the measured branching ratio B(D*+ -> D+ gamma)/B(D*+ -> D+ pi0)=0.055 +- 0…
Aspects of Quenched Chiral Perturbation Theory for Matter Fields
Chi-Keung Chow
Three topics about the application of quenched chiral perturbation theory to matter fields are studied. It is proved that the hairpin axial current couplings in quenched chiral per…
Observation of Exclusive Two-Body B Decays to Kaons and Pions
CLEO Collaboration, R. Godang et al
We have studied two-body charmless hadronic decays of B mesons into the final states , , and . Using 3.3 million pairs collected with the CLEO-II detector,…
The Radial Extent and Warp of the Ionized Galactic Disk. I. A VLBA Survey of Extragalactic Sources Toward the Anticenter
T. Joseph W. Lazio, James M. Cordes
We report multifrequency Very Long Baseline Array observations of twelve active galactic nuclei seen toward the Galactic anticenter. All of the sources are at |b| < 10 degrees and…
The Radial Extent and Warp of the Ionized Galactic Disk. II. A Likelihood Analysis of Radio-Wave Scattering Toward the Anticenter
T. Joseph W. Lazio, James M. Cordes
We use radio-wave scattering data to constrain the distribution of ionized gas in the outer Galaxy. Like previous models, our model for the H II disk includes parameters for the ra…
Seeking the Local Convergence Depth. II. TF Observations of the Clusters A114, A119, A194, A2295, A2457, A2806, A3193, A3381, AND A3744
Daniel A. Dale, Riccardo Giovanelli, Martha P. Haynes +3
We present Tully-Fisher (TF) observations for nine rich Abell clusters of galaxies. This is the second such data installment of an all-sky survey of 50 clusters in the redshift ran…
Transonic Magnetic Slim Accretion Disks and kilo-Hertz Quasi-Periodic Oscillations in Low-Mass X-Ray Binaries
Dong Lai
The inner regions of accretion disks of weakly magnetized neutron stars are affected by general relativity and stellar magnetic fields. Even for field strengths sufficiently small…
Measuring gravitational waves from binary black hole coalescences: II. the waves' information and its extraction, with and without templates
Eanna E. Flanagan, Scott A. Hughes
We discuss the extraction of information from detected binary black hole (BBH) coalescence gravitational waves, focusing on the merger phase that occurs after the gradual inspiral…
Flavor-Specific Inclusive B Decays to Charm
CLEO Collaboration, T. E. Coan et al
We have measured the branching fractions for B -> D_bar X, B -> D X, and B -> D_bar X \ell^+ ν, where ``B'' is an average over B^0 and B^+, ``D'' is a sum over D^0 and D^+, and``D_…