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2013 | 11 | 2 | 182-194
Tytuł artykułu

Factorization in the model of unstable particles with continuous masses

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
We study processes with unstable particles in intermediate time-like states. It is shown that the amplitudes squared of such processes factor exactly in the framework of the model of unstable particles with continuous masses. Decay widths and cross sections can then be represented in a universal factorized form for an arbitrary set of interacting particles. This exact factorization is caused by specific structure of propagators in the model. We formulate the factorization method and perform a phenomenological analysis of the factorization effects. The factorization method considerably simplifies calculations while leading to compact and reasonable results.
Wydawca

Czasopismo
Rocznik
Tom
11
Numer
2
Strony
182-194
Opis fizyczny
Daty
wydano
2013-02-01
online
2013-02-09
Twórcy
  • Research Institute of Physics, Southern Federal University, Prospekt Stachki, 194, 344090, Rostov-na-Donu, Russia, kuksa@list.ru
  • Research Institute of Physics, Southern Federal University, Prospekt Stachki, 194, 344090, Rostov-na-Donu, Russia, nikolay.volchanskiy@gmail.com
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11534-012-0155-3
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