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hep-lat1993

The Isgur-Wise Function: A Lattice Determination from Pseudoscalar --> Pseudoscalar Form Factors

UKQCD Collaboration, James N. Simone

Form factors for pseudoscalar --> pseudoscalar decays of heavy-light mesons are found in quenched lattice QCD with heavy-quark masses in the range of approximately 1-2 GeV. The Isg…

hep-th1993★ 2 cited

More on with a Root of Unity

Takashi Suzuki

Highest weight representations of with are investigated. The structures of the irreducible hieghesat weight modules are discussed in detail. The Clebsc…

astro-ph1993★ 1 cited

Gravothermal Oscillations

Douglas C. Heggie

Gravothermal oscillations occur in several models for the post-collapse evolution of rich star clusters. This paper reviews the main literature, and presents some new N-body result…

hep-lat1993★ 1 cited

Hopping Parameter Analysis of Leptonic and Semi-Leptonic Heavy-Light Decays

D. S. Henty

We study leptonic and semi-leptonic decays of D and B mesons. Use of the Hopping Parameter Expansion (HPE) for two-point functions allows us continuously to vary the pseudoscalar m…

hep-th1993★ 8 cited

-matrices for the Elliptic Calogero-Moser Models

H. W. Braden, Takashi Suzuki

The classical (dynamical) -matrices for the 2- and 3-body Calogero-Moser models with elliptic potentials are given. The 3-body case has an interesting nontrivial structure that…

hep-th1993★ 10 cited

Twisting the N=2 String

S. V. Ketov, O. Lechtenfeld, A. J. Parkes

The most general homogeneous monodromy conditions in string theory are classified in terms of the conjugacy classes of the global symmetry group . F…

hep-lat1993★ 1 cited

Gluon 2- and 3-Point Correlation Functions on the Lattice

Claudio Parrinello

I present some preliminary results, obtained in collaboration with C. Bernard and A. Soni, for the lattice evaluation of 2- and 3-point gluon correlation functions in momentum spac…

hep-lat1993★ 25 cited

: Penguins on the Lattice

UKQCD Collaboration

We calculate the leading-order matrix element for the decay in the quenched approximation of lattice QCD on a lattice at , using an O(a)-impro…

hep-lat1993

A Lattice Study of Spin and Flavour Symmetry in Heavy Quark Physics

Henning Hoeber

We present a first test of heavy quark spin-flavour symmetries in matrix elements for semi-leptonic decays \bar B to D l\barνand \bar B to D^* l\barν. We show that O(1/m_Q) correct…

astro-ph1993★ 772 cited

Reconstructing the linear power spectrum of cosmological mass fluctuations

J. A. Peacock, S. J. Dodds

We describe an attempt to reconstruct the initial conditions for the formation of cosmological large-scale structure. The power spectrum of the primordial fluctuations is affected…

hep-ph1993★ 37 cited

Gauge invariant top quark form factors from e+ e- experiments

J. Papavassiliou, C. Parrinello

Motivated by the possibility of experimental determination of top quark form factors in upcoming e+ e- experiments, as recently discussed by Atwood and Soni, we show at the one loo…

hep-th1993★ 59 cited

-matrices for Elliptic Calogero-Moser Models

H. W. Braden, Takashi Suzuki

The classical -matrix structure for the -particle Calogero-Moser models with (type IV) elliptic potentials is investigated. We show there is no momentum independent -matri…

cs.AI1993

An Empirical Analysis of Search in GSAT

I. P. Gent, T. Walsh

We describe an extensive study of search in GSAT, an approximation procedure for propositional satisfiability. GSAT performs greedy hill-climbing on the number of satisfied clauses…

hep-lat1993★ 58 cited

Quenched Heavy-Light Decay Constants

UKQCD Collaboration

We present results for heavy-light decay constants, using both propagating quarks and the static approximation, in O(a)-improved, quenched lattice QCD. At beta=6.2 on a 24^3x48 lat…

astro-ph1993★ 9 cited

Gravothermal Expansion in an -Body System

Douglas C. Heggie, Shogo Inagaki, Stephen L. W. McMillan

This paper describes the numerical evolution of an -body system with a slight ``temperature inversion''; i.e. the maximum velocity dispersion occurs not at the centre but furthe…

comp-gas1993★ 52 cited

Hydrodynamic behaviour of Lattice Boltzmann and Lattice BGK models

O. Behrend, R. Harris, P. Warren

We present a numerical analysis of the validity of classical and generalized hydrodynamics for Lattice Boltzmann Equation (LBE) and Lattice BGK methods in two and three dimensions,…

hep-lat1993★ 54 cited

The Isgur-Wise Function from the Lattice

the UKQCD Collaboration

We calculate the Isgur-Wise function by measuring the elastic scattering amplitude of a meson in the quenched approximation on a lattice at , using an $O(…

astro-ph1993★ 100 cited

An imaging K-band survey - I: The catalogue, star and galaxy counts

Karl Glazebrook, J. A. Peacock, C. A. Collins +1

We present results from a large area (552\,\sqamin) imaging -band survey to a 5 limit of . We have optical-infrared colours of almost all the objects in the sam…

hep-lat1993★ 47 cited

Quenched Light Hadron Mass Spectrum and Decay Constants: the effects of -Improvement at

UKQCD Collaboration

We compare the light hadron spectrum and decay constants for quenched QCD at using an -improved nearest-neighbour Wilson fermion action with those obtained using the…

astro-ph1993★ 1 cited

Star Clusters

Douglas C. Heggie

This review concentrates almost entirely on globular star clusters. It emphasises the increasing realisation that few of the traditional problems of star cluster astronomy can be s…

astro-ph1993★ 67 cited

Comparing Direct N-Body Integration with Anisotropic Gaseous Models of Star Clusters

Mirek Giersz, Rainer Spurzem

We compare the results for the dynamical evolution of star clusters derived from anisotropic gaseous models with the data from N-body simulations of isolated and one-component syst…

astro-ph1993★ 19 cited

Galaxy Redshifts: Improved Techniques

A. F. Heavens

This paper analyses the effects of random noise in determining errors and confidence levels for galaxy redshifts obtained by cross-correlation techniques. The main finding is that…

astro-ph1993★ 173 cited

Statistics of N-body Simulations I. Equal Masess Before Core Collapse

Mirek Giersz, Douglas C. Heggie

We study the dynamical evolution of idealised stellar systems by averaging results from many -body simulations, each having modest numbers of stars. For isolated systems with st…

astro-ph1993

Approximate Self-Consistent Models for Tidally Truncated Star Clusters

D. C. Heggie, N. Ramamani

This paper generalises King's models for tidally truncated star clusters by including approximately the non-spherical symmetry of the tidal field and the resulting non-spherical di…