Monte Carlo generator for full simulation of e+ehadrons cross section scan experiment

D. Zhang, G. Rong, and J. C. Chen
Phys. Rev. D 74, 054012 – Published 8 September 2006

Abstract

A generator with α2 order radiative correction effects, including both the initial state radiative corrections and the photon vacuum polarization corrections, is built for the full simulation of e+ehadrons in a cross section scan experiment in the quarkonium energy region. The contributions from the hadron production structures including the resonances of 1-- quarkonium families and the light hadrons spectrum below 2 GeV as well as the QED continuum hadron spectrum are all taken into account in the event generation. It was employed successfully to determine the detection efficiency for selection of the events of e+ehadrons from the data taken in the energy region from 3.650 GeV to 3.872 GeV covering both the ψ(3686) and ψ(3770) resonances in BES experiment. The generator reproduces the properties of hadronic event production and inclusive decays well.

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  • Received 7 July 2006

DOI:https://doi.org/10.1103/PhysRevD.74.054012

©2006 American Physical Society

Authors & Affiliations

D. Zhang*, G. Rong, and J. C. Chen

  • Institute of High Energy Physics, Beijing 100049, China

  • *Electronic address: zhangdh@mail.ihep.ac.cn

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Issue

Vol. 74, Iss. 5 — 1 September 2006

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