Summary
Mathematical reasons motivate the use of the determinant det {p vi } of the components of four 4-momenta as an invariant, pseudoscalar variable in many-particle processes. The properties of this variable are discussed and some examples of its behaviour in experimental processes are given.
Riassunto
Ragioni matematiche motivano l’uso del determinante {p vi } delle componenti di 4 quadrimpulsi come una variabile invariante pseudoscalare nei processi a molte particelle. Si discutono le proprietà di questa variabile e si danno alcuni esempi del suo comportamento nei processi sperimentali.
Реэюме
Математические причины обусловливают испольэование детерминанта det {p vi } компонент четырех-импульсов, как инвариантной псевдоскалярной переменной в много-частичных процессах. Обсуждаются свойства зтой переменной и приводятся некоторые примеры поведения инвариантной переменной в зкспериментальных процессах.
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Literatur
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Laurikainen, K.V., Mihul, E.A. Invariant variables attached to four-particle groups. Nuov Cim A 28, 129–136 (1975). https://doi.org/10.1007/BF02820875
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DOI: https://doi.org/10.1007/BF02820875