Routine ID: U102 | |
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Author(s): V. Framery, L. Pape | Library: KERNLIB |
Submitter: | Submitted: 01.03.1968 |
Language: Fortran | Revised: 16.09.1991 |
LORENF transforms the momentum 4-vector of a particle from the Lorentz-frame to the frame like LOREN4 (U101); it is faster than LOREN4 because the rest-mass M of
is passed as an argument to save the square root.
LORENB executes the inverse transformation.
Structure:
SUBROUTINE subprograms
User Entry Names: LORENF, LORENB
Usage:
CALL LORENF(SM,SP,PB,PF) | forward transformation | PB -> PF |
CALL LORENB(SM,SP,PF,PB) | backward transformation | PF -> PB |
Method:
For LORENF (cf. LOREN4 (U101)):
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because and .
For LORENB:
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