Publication

Measurement of the near-threshold e+e-→DD̄ cross section using initial-state radiation

Olivier Schneider, Aurelio Bay, Chao Wang, Tagir Aushev, Vladislav Balagura, Sun Hee Kim, Xiao Wang
2008
Journal Articles

Abstract

We report measurements of the exclusive cross section for e+e-→DD̄, where D=D0 or D+, in the center-of-mass energy range from the DD̄ threshold to 5 GeV with initial-state radiation. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of 673fb-1. © 2008 The American Physical Society.

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https://infoscience.epfl.ch/entities/publication/308d0c75-99a3-4ef0-9ecd-56ecf528d55e

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Olivier Schneider, Aurelio Bay, Chao Wang, Tagir Aushev, Vladislav Balagura, Sun Hee Kim, Xiao Wang
2008
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/308d0c75-99a3-4ef0-9ecd-56ecf528d55e

About this result

Related concepts (21)

Belle experiment

The Belle experiment was a particle physics experiment conducted by the Belle Collaboration, an international collaboration of more than 400 physicists and engineers, at the High Energy Accelerator Research Organisation (KEK) in Tsukuba, Ibaraki Prefecture, Japan. The experiment ran from 1999 to 2010. The Belle detector was located at the collision point of the asymmetric-energy electron–positron collider, KEKB.

Luminosity

Luminosity is an absolute measure of radiated electromagnetic power (light), the radiant power emitted by a light-emitting object over time. In astronomy, luminosity is the total amount of electromagnetic energy emitted per unit of time by a star, galaxy, or other astronomical objects. In SI units, luminosity is measured in joules per second, or watts. In astronomy, values for luminosity are often given in the terms of the luminosity of the Sun, L⊙.

Sampling (statistics)

In statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. Statisticians attempt to collect samples that are representative of the population. Sampling has lower costs and faster data collection compared to recording data from the entire population, and thus, it can provide insights in cases where it is infeasible to measure an entire population.

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