Decay UPS4
1.000 B0 B0B                              VSS;
Enddecay
Decay B0
1.000 tau+   tau-                         SLL;
Enddecay
Decay B0B
1.000 tau+   tau-                         SLL;
Enddecay
Decay tau+
1.000 pi+    nutb                         TAUSCALARNU;
Enddecay
Decay tau-
1.000 pi-    nut                          TAUSCALARNU;
Enddecay
End