Документ взят из кэша поисковой машины. Адрес оригинального документа : http://theory.sinp.msu.ru/comphep_html/tutorial/node41.html
Дата изменения: Wed Aug 9 20:40:47 2000
Дата индексирования: Mon Oct 1 22:43:36 2012
Кодировка:
Process of two particle decay CompHEP event generator Numerical calculation by CompHEP Integration by means of the Simpson method Contents


Process of two particle decay

In the case of 1->2 decay process the menu scheme described above is not used because in this simple case the phase space integration is not needed. CompHEP  writes on the screen the calculated particle width. If a multi-channel process like Z->2*x has been introduced then branchings for all decay modes are displayed (Fig.). The menu on the screen contains only one function which provides the user with a possibility to calculate the total particle width as a function of one of the model parameters.