Skim Ratios
C BITS 1 MUSKIM - semimuonic skim [M.Nehring] C 2 SETSKIM97 - takes 1% of all events [H.Cheung] C 3 SETSKIM97 - 10% prescaled master gate (trigger 8) [H.Cheung] C 4 SEZSKM - Golden Mode Decay found [P.Sheldon] C 5 SKMVTX90 - same code as 1990 skim I suppose [P.Sheldon] C 6 OUTTARG - out of target skim [E.Casimiro] C 7 SETSKIM97 - cascade/omega skim using DRVCASC [L.Cinquini] C 8 SETSKIM97 - Kshort skim using DRVVEES [L.Cinquini] C 9 SEZSKM - Candidate found (see SEZDEE block) [P.Sheldon] C 10 ETOESKM - High ET in OE (exotics search) [S.Bianco] C 11 GGAMSKM - D0 -> gamma gamma skim [S.Bianco] C 12 EPAIRSKM - e+e- conversion pairs for calib [H.Mendez] C 13 SETSKIM97 - Lambda skim using DRVVEES [L.Cinquini] C 14 SETSKIM97 - Kinks using KINKT [C.Riccardi] C 15 SEZSKM - baryon skim (was BARSAV) [P.Sheldon, L.Cinquini] C 16 SEZSKM - Lambdac pKpi [P.Sheldon, L.Cinquini] C 17 SKMLEP97 - purely leptonic skim [H.Cheung] C 18 DIMUONSKM - dimuon skim (J/psi etc.) [M.Nehring] C 19 SKMLSG1 - diffractive skim [K.Cho] C 20 DIELECSKM - dielectron skim [E.Vaandering] C 21 TOPOS1 - SVERTI skim [D.Pedrini] C 22 SETSKIM97 - prescaled TR2 (trigger 5) [H.Cheung] C 23 SETSKIM97 - prescaled 2-body (trigger 6) [H.Cheung] C 24 DIELECSKM - 2nd bit for dielectron skim [E.Vaandering] C 25 SELECSKM - semielectronic skim with mesons [M.Nehring] C 26 PHISKM90 - phi skim (both Kaons linked) [A.Rahimi,J.Wiss] C 27 PHISKM90 - prescale for Cerenkov studies [A.Rahimi,J.Wiss] C 28 PHISKM90 - prescale for linking studies [A.Rahimi,J.Wiss] C 29 PHISKM90 - charge tagging bit (not a skim bit actually) C 30 SELECSKM - semielectronic skim with baryons [M.Nehring] C 31 NEUTKL - neutral hadron skim [G.Bonomi] C 32 MULTIVEE - 3 prong `vees' [L.Cinquini]
The SEZSKM is further split into a large number of other skims, these (so far!) are given below:
SEZSKM
NUMBER DECAY MODE MASS(GeV) DCLCUT
1 pi+ pi- pi+ 1.700 - 2.100 0.000100
2 K- pi+ pi+ 1.700 - 2.100 0.000100
3 K+ pi- pi+ 1.700 - 2.100 0.000100
4 K+ K- pi+ 1.700 - 2.100 0.000100
5 K+ K+ pi- 1.700 - 2.100 0.000100
6 K+ K+ K- 1.700 - 2.100 0.000100
7 pi- pi+ 1.700 - 2.100 0.000100
8 K- pi+ 1.700 - 2.100 0.000100
9 K- K+ 1.700 - 2.100 0.000100
10 pi- pi+ pi- pi+ 1.700 - 2.100 0.000100
11 K- pi+ pi- pi+ 1.700 - 2.100 0.000100
12 K- K+ pi- pi+ 1.700 - 2.100 0.000100
13 K- K- pi+ pi+ 1.700 - 2.100 0.000100
14 K- K+ K- pi+ 1.700 - 2.100 0.000100
15 pi+ pi+ pi+ pi- pi- 1.700 - 2.100 0.000100
16 K- pi+ pi+ pi+ pi- 1.700 - 2.100 0.000100
17 K+ pi+ pi+ pi- pi- 1.700 - 2.100 0.000100
18 K+ K- pi+ pi+ pi- 1.700 - 2.100 0.000100
19 K+ K+ pi+ pi- pi- 1.700 - 2.100 0.000100
20 K- K- pi+ pi+ pi+ 1.700 - 2.100 0.000100
21 K- K+ K- pi+ pi+ 1.700 - 2.100 0.000100
22 K+ K- K+ pi+ pi- 1.700 - 2.100 0.000100
23 K+ K+ K+ pi- pi- 1.700 - 2.100 0.000100
24 p+ K- pi+ 2.050 - 2.450 0.000100
25 p+ pi- pi+ 2.050 - 2.450 0.000100
26 p+ K- K+ 2.050 - 2.450 0.000100
27 p+ pi+ pi+ pi- pi- 2.050 - 2.450 0.000100
28 p+ K- pi+ pi+ pi- 2.050 - 2.450 0.000100
29 p+ K- K+ pi+ pi- 2.050 - 2.450 0.000100
30 p+ K- K- pi+ pi+ 2.050 - 2.450 0.000100
31 K0 pi+ 1.700 - 2.100 0.000100
32 K0 pi+ pi+ pi- 1.700 - 2.100 0.000100
33 K0 pi+ pi- 1.700 - 2.100 0.000100
34 p+ K0 2.050 - 2.450 0.000100
35 p+ K0 pi+ pi- 2.050 - 2.450 0.000100
36 Lambda pi+ 2.050 - 2.450 0.000100
37 Lamda pi+ pi+ pi- 2.050 - 2.450 0.000100
38 K0 e+ e- 1.700 - 2.100 0.000100
39 K0 mu+ e- 1.700 - 2.100 0.000100
40 K0 mu+ mu- 1.700 - 2.100 0.000100
41 Lambda K+ 2.050 - 2.450 0.000100
42 Lamda K+ pi+ pi- 2.050 - 2.450 0.000100
43 Lamda K- pi+ pi+ 2.050 - 2.450 0.000100
44 Lamda K+ K- pi+ 2.050 - 2.450 0.000100
45 p+ K0 K- pi+ 2.050 - 2.450 0.000100
46 p+ K0 K+ pi- 2.050 - 2.450 0.000100
47 K0 K+ pi- 1.700 - 2.100 0.000100
48 K0 K+ K- 1.700 - 2.100 0.000100
49 K0 K+ 1.700 - 2.100 0.000100
50 K0 K+ pi+ pi- 1.700 - 2.100 0.000100
51 K0 K- pi+ pi+ 1.700 - 2.100 0.000100
52 K0 K+ K- pi+ 1.700 - 2.100 0.000100
53 K- pi+ pi+ pi0 1.700 - 2.100 0.000100
54 K- pi+ pi0 1.700 - 2.100 0.000100
55 K- pi+ pi+ pi- pi0 1.700 - 2.100 0.000100
56 p+ K- pi+ pi0 2.050 - 2.450 0.000100
57 pi0 e+ e- 1.700 - 2.100 0.000100
58 pi0 mu+ e- 1.700 - 2.100 0.000100
59 pi0 mu+ mu- 1.700 - 2.100 0.000100
60 p+ K- K+ pi0 2.050 - 2.450 0.000100
61 p+ K- pi+ pi0 pi0 2.050 - 2.450 0.000100
62 K- K+ pi0 1.700 - 2.100 0.000100
63 K- K+ pi+ pi- pi0 1.700 - 2.100 0.000100
64 K- K+ pi+ pi0 1.700 - 2.100 0.000100
65 e+ e+ e- 1.700 - 2.100 0.000100
66 mu+ e+ e- 1.700 - 2.100 0.000100
67 mu- e+ e+ 1.700 - 2.100 0.000100
68 mu+ mu- e+ 1.700 - 2.100 0.000100
69 mu+ mu+ e- 1.700 - 2.100 0.000100
70 mu+ mu+ mu- 1.700 - 2.100 0.000100
71 pi+ e+ e- 1.700 - 2.100 0.000100
72 pi- e+ e+ 1.700 - 2.100 0.000100
73 pi+ mu+ mu- 1.700 - 2.100 0.000100
74 pi- mu+ mu+ 1.700 - 2.100 0.000100
75 pi+ mu+ e- 1.700 - 2.100 0.000100
76 pi+ mu- e+ 1.700 - 2.100 0.000100
77 pi- mu+ e+ 1.700 - 2.100 0.000100
78 K+ e+ e- 1.700 - 2.100 0.000100
79 K- e+ e+ 1.700 - 2.100 0.000100
80 K+ mu+ mu- 1.700 - 2.100 0.000100
81 K- mu+ mu+ 1.700 - 2.100 0.000100
82 K+ mu+ e- 1.700 - 2.100 0.000100
83 K+ mu- e+ 1.700 - 2.100 0.000100
84 K- mu+ e+ 1.700 - 2.100 0.000100
85 e- e+ 1.700 - 2.100 0.000100
86 mu- mu+ 1.700 - 2.100 0.000100
87 mu+ e- 1.700 - 2.100 0.000100
88 pi- pi+ e- e+ 1.700 - 2.100 0.000100
89 pi- pi+ mu- mu+ 1.700 - 2.100 0.000100
90 pi- pi+ mu- e+ 1.700 - 2.100 0.000100
91 K- pi+ e- e+ 1.700 - 2.100 0.000100
92 K- pi+ mu+ e- 1.700 - 2.100 0.000100
93 K- pi+ mu- e+ 1.700 - 2.100 0.000100
94 K- pi+ mu- mu+ 1.700 - 2.100 0.000100
95 p e+ e- 2.050 - 2.450 0.000100
96 p mu+ mu- 2.050 - 2.450 0.000100
97 p mu+ e- 2.050 - 2.450 0.000100
98 p mu- e+ 2.050 - 2.450 0.000100
Skim ratios for skims to be run by PASS1 are given below, the numbers are for tape number 3606 run 10707.
Check also the skim ratios interactive page that allow you to look at the skim ratios for a certain set of skims (taking into account overlaps). This is in preparation for a plan for skimming and stripping.
The table below was last updated on Feb. 3rd 1998.
| SKIM # | SKIM DESCRIPTION | SKIM RATIO (%) |
|---|---|---|
| PASS1_3 | ||
| 1 | SEMI-MUONIC | 3.03 |
| 2 | (1%PS) ALL EVENTS | 1.00 |
| 3 | (10%PS)TRIG8 (MG) | 0.87 |
| 4 | GOLDEN MODE | 1.71 |
| 5 | GLOBAL VERTEX | 10.00 |
| 6 | OUT OF TARGET SKIM | 3.48 |
| 7 | CASCADE/OMEGA | 0.41 |
| 8 | KSHORT | 6.19 |
| 9 | SEZDEE | 10.82 |
| 10 | High OE ET | 0.64 |
| 11 | D0 -> gamma gamma skim | 3.46 |
| 12 | Conversion e+e- pairs | 2.04 |
| 13 | LAMBDA | 1.86 |
| 14 | KINKS/SIGMA | 1.63 |
| 15 | BARSAV LAMBDAC MODES | 1.78 |
| 16 | PKPI | 1.05 |
| 17 | PURELY LEPTONIC | 3.35 |
| 18 | DIMUON SKIM | 0.79 |
| 19 | DIFFRACTIVE | 2.03 |
| 20 | DIELECTRON (BOTH LINKED) | 1.54 |
| 21 | SVERTI/TOPOS1 | 10.89 |
| 22 | TRIG5 (TR2) | 0.79 |
| 23 | TRIG6 (E687 MG) | 0.79 |
| 24 | DIELECTRON (HIGH MASS) | 0.22 |
| 25 | SEMIELECTRONIC WITH MESONS | 4.75 |
| 26 | PHI SKIM | 0.70 |
| 27 | (25%PS) PHI FOR CERENKOV STUDIES | 0.37 |
| 28 | (25%PS) PHI FOR LINKING STUDIES | 0.27 |
| 29 | PHI CHARGE TAGGING BIT (NOT A SKIM) | 0.58 |
| 30 | SEMIELECTRONIC WITH BARYONS | 3.52 |
| 31 | NEUTRAL HADRON | 4.93 |
| 32 | 3-PRONG VEES | 0.29 |
| TOTAL SKIM RATIO | 42.20 |