Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011acasn..52..208l&link_type=abstract
Acta Astronomica Sinica, vol. 52, no. 3, p. 208-218
Astronomy and Astrophysics
Astronomy
Sun: X Rays, Gamma Rays, Sun: Flares, Methods: Numerical
Scientific paper
The integral numeration of the hard X-ray bremsstrahlung spectrum based on the version 2 in Solar SoftWare (SSW) is developed by us. By comparing the cost times of the integral numeration with four methods, it is showed that the best method is faster than version 2 by about 2 to 5 times. It also shows that in comparison with previous version 1 and 2, the accuracy, the suppression of the spike structure and insensitivity to the upper limit of the integration are improved a lot with the best method. In addition, we test the integral numeration by using the exact bremsstrahlung cross-section instead of the present approximate one, and prove that the cost time is tolerable with our improved method.
Gan Wei-Qun
Li Philip Y.
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