Set 1                                                Set2                                       Set3

- fit OK                                         - fitOK                                   - distanza primario/secondario> 4 mm

- contributo delle tracce               - N tracce =3                             

  al chi^2 del v. sec.                     - pT secondatraccia                - pT traccia piu' energetica> 45 GeV

  minore del contributo                   piu' energetica > 40 GeV     - Ntracce = 2 o = 3

  al primario                                                                                 - IsoFrac < 0.12

- N tracce = 3

- pT terza traccia piu'

  energetica > 7 GeV

 

Ecco i risultati:

 

                Segnale 800 Gev             qcdTDR         qcd100-500 qcd500-1000     qcd 1000

# evts           ~4150                            ~19000           400                   1550                  2450

# taus           ~8300

# taus 1pr     ~6450

# taus 3pr                   ~1700

Presel.          1147       3743                10                     3                               9                 9

tagli 1-2-3      930         260                 0                      0                               4                 0