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Manuscript Title: Grcnunugamma: event generator for the single- and double-photon emission associated with neutrino pair-production.
Authors: Y. Kurihara, J. Fujimoto, T. Ishikawa, Y. Shimizu, T. Munehisa
Program title: GRCNuNuGamma
Catalogue identifier: ADNV_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 136(2001)250
Programming language: Fortran.
Operating system: UNIX.
RAM: 14M words
Keywords: Elementary particle physics, QED, Electron-positron collision, Radiative return, Anomalous three gauge boson couplings.
Classification: 11.4.

Nature of problem:
Precise cross sections of hard photon productions with missing energy. Study of anomalous triple-gauge-boson couplings at LEP-2.

Solution method:
The exact matrix elements of single- and double-photon emission, generated by the GRACE system, are convoluted with the QED parton shower (QEDPS) to deal with the initial state radiations (ISR).

Restrictions:
Convergency of the integration may be bad when inappropriate experimental cuts are applied.

Unusual features:
When errors of the integration are greater than several percent even with more than 10 M sampling points, please contact the authors.

Running time:
1 hour.