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137 papers · 1 filter
Measurement of e+e- -> pi+pi- cross section with CMD-2 around rho-meson
2 collaboration
The cross section of the process e+e- -> pi+pi- has been measured using about 114000 events collected by the CMD-2 detector at the VEPP-2M e+e- collider in the center-of-mass energ…
Matching Current Correlators in Lattice QCD to Chiral Perturbation Theory
A. Duncan, S. Pernice, J. Yoo
Chiral perturbation theory gives direct and unambiguous predictions for the form of various two-point hadronic correlators at low momentum in terms of a finite set of couplings in…
Nonperturbative bound on high multiplicity cross sections in phi^4_3 from lattice simulation
Y. Y. Charng, R. S. Willey
We have looked for evidence of large cross sections at large multiplicities in weakly coupled scalar field theory in three dimensions. We use spectral function sum rules to derive…
Improved Pseudofermion Approach for All-Point Propagators
A. Duncan, E. Eichten
Quark propagators with arbitrary sources and sinks can be obtained more efficiently using a pseudofermion method with a mode-shifted action. Mode-shifting solves the problem of cri…
Non-Parametric Inference in Astrophysics
Larry Wasserman, Christopher J. Miller, Robert C. Nichol +6
We discuss non-parametric density estimation and regression for astrophysics problems. In particular, we show how to compute non-parametric confidence intervals for the location an…
An Upper Limit to the Mass of rho1 Cnc's Radial Velocity Companion
Melissa A. McGrath, Edmund Nelan, David C. Black +7
Doppler spectroscopy of rho1 Cnc has detected evidence of a companion with an orbital period of 14.65 days and a minimum mass of 0.88 Jupiter masses. Astrometric observations perfo…