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Q2: Decay mode identification number.

First of all, read the file, $(KFLIBROOT)/README. There are valuable information there.

In Physsim generator, each decay mode of W and Zhas decay mode ID as shown in the Table 1.


 
Table 1:W and Z decay mode and their ID number used in Physsim generator.
ID number Z decay W decay
1 $\nu_\ell \bar{\nu_\ell}$ $\ell \nu_\ell$
2 $\nu_\mu \bar{\nu_\mu}$ $mu \nu_\mu$
3 $\nu_\tau \bar{\nu_\tau}$ $\tau \nu_\tau$
4 $\ell\bar{\ell}$ $d\bar{u}$
5 $\mu\bar{\mu}$ $d\bar{c}$
6 $\tau\bar{\tau}$ $d\bar{t}$ (forbidden)
7 $u\bar{u}$ $s\bar{u}$
8 $c\bar{c}$ $s\bar{c}$
9 $t\bar{t}$ (forbidden) $s\bar{t}$ (forbidden)
10 $d\bar{d}$ $b\bar{u}$
11 $s\bar{s}$ $b\bar{c}$
12 $b\bar{b}$ $b\bar{t}$ (forbidden)



Miyamoto Akiya
2001-11-07