HLAB meeting

HLAB meeting
Status Report
Toshi Gogami
31/Jan/2012
Contents
• Tracking efficiency
• K+ cut efficiency
Drift Chamber plane efficiency
YES
YES
YES
YES
YES
Extracted Track
• Other requirements
– HKS
• 1X&1Y&2X
– HES
• EH1&EH2
No
No
𝑇ℎ𝑒 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝒀𝑬𝑺(𝒊)
𝑃𝑙𝑎𝑛𝑒 𝑒𝑓𝑓. (𝑖) =
𝑇ℎ𝑒 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑡𝑟𝑎𝑐𝑘𝑠
Tracking efficiency
• HKS (KDC1 & KDC2)
• HES (EDC1)
– 5/6 & 5/6
• 𝑃66 =
• 𝑃65 =
– 8/10
12
𝑖=1 𝑃𝐸𝑖
12
12
𝑖=1 𝑗=1(𝑖≠𝑗) 𝑃𝐸𝑗(1
• 𝑃55 = 𝑃55_1 ∗ 𝑃55_2
– 𝑃55_1 =
– 𝑃55_2 =
6
𝑖=1
12
𝑖=7
− 𝑃𝐸𝑖)
6
𝑗=1(𝑖≠𝑗) 𝑃𝐸𝑗(1 −
12
𝑗=7(𝑖≠𝑗) 𝑃𝐸𝑗(1 −
𝑃𝐸𝑖)
𝑃𝐸𝑖)
𝑻𝒓𝒂𝒄𝒌𝒊𝒏𝒈 𝒆𝒇𝒇. = 𝑷𝟔𝟔 + 𝑷𝟔𝟓 + 𝑷𝟓𝟓
•
•
•
・・・・・・
・・・・・・
・・・・・・
Analyzed runs
*ch2
76323
76324
76325
76326
76327
76376
76377
76378
76379
76380
*h2o
75902
75903
75904
75908
75909
75971
75972
75973
75974
75975
*li
76197
76198
76199
76200
76201
76271
76272
76273
76274
76275
*be
76589
76590
76591
76592
76594
76629
76630
76631
76632
76633
*b
76124
76125
76126
76127
76128
76285
76286
76287
76288
76289
*c
75951
75952
75953
75954
75967
76839
76840
76841
76842
76843
*cr1 (前半)
75997
75998
75999
76000
76001
76016
76017
76018
76019
76020
*cr2 (後半)
77098
77099
77100
77101
77102
77120
77121
77122
77123
77124
75975
76197
76198
76199
76200
76201
76271
76272
76273
76274
76275
76323
76324
76325
76326
76327
76376
76377
76378
76379
76380
75997
75998
75999
76000
: Tracking Efficiency : 0.967041 +- 0.00538699 (0.557059%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0.996678 +- 0.102264 (10.2604%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0.996373 +- 0.0653426 (6.55805%)
: Tracking Efficiency : 0.996116 +- 0.10088 (10.1274%)
: Tracking Efficiency : 0.996378 +- 0.0227658 (2.28485%)
: Tracking Efficiency : 0.999041 +- 0.0209775 (2.09977%)
: Tracking Efficiency : 0.998983 +- 0.0209749 (2.09962%)
: Tracking Efficiency : 0.999059 +- 0.0211817 (2.12016%)
: Tracking Efficiency : 0.998966 +- 0.0211884 (2.12103%)
: Tracking Efficiency : 0.998943 +- 0.0210099 (2.10321%)
: Tracking Efficiency : 0.998963 +- 0.0208632 (2.08848%)
: Tracking Efficiency : 0.998835 +- 0.0206697 (2.06938%)
: Tracking Efficiency : 0.999015 +- 0.0270073 (2.70339%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0 +- nan (nan%)
: Tracking Efficiency : 0.973732 +- 0.0100582 (1.03295%)
: Tracking Efficiency : 0.97427 +- 0.00946301 (0.971292%)
: Tracking Efficiency : 0.97581 +- 0.00806893 (0.826896%)
: Tracking Efficiency : 0.975805 +- 0.00811064 (0.831175%)
Tracking efficiency
• ~~~~ HKS~~~~~~~
ch2 : Tracking Efficiency : 0.998974 +- 0.00760814 (0.761596%)
h2o : Tracking Efficiency : 0.961109 +- 0.00190445 (0.198152%)
li : Tracking Efficiency : 0.996378 +- 0.0205954 (2.06703%)
be : Tracking Efficiency : 0.995274 +- 0.00535923 (0.538468%)
b : Tracking Efficiency : 0.99921 +- 0.00912634 (0.913356%)
c : Tracking Efficiency : 0.987929 +- 0.00179032 (0.181219%)
cr1 : Tracking Efficiency : 0.974892 +- 0.00304261 (0.312097%)
cr2 : Tracking Efficiency : 0.965851 +- 0.00320905 (0.332251% )
• ~~~~ HES~~~~~~~
ch2 : Tracking Efficiency : 1 +- 0.00527844 (0.527844%)
h2o : Tracking Efficiency : 1 +- 0.00095474 (0.095474%)
li : Tracking Efficiency : 1 +- 0.0172701 (1.72701%)
be : Tracking Efficiency : 1 +- 0.00419163 (0.419163%)
b : Tracking Efficiency : 1 +- 0.00820523 (0.820523%)
c : Tracking Efficiency : 1 +- 0.00153384 (0.153384%)
cr1 : Tracking Efficiency : 1 +- 0.00100727 (0.100727%)
cr2 : Tracking Efficiency : 1 +- 0.00103985 (0.103985%)
1 ….!?
Need to check
tracking code
HKS detectors
June 2009 in JLab Hall-C
1 [m]
HKS trigger
•CP = 1X ×1Y × 2X
•K = WC × AC
 CP × K
−
~18 [kHz]
(8 [μA] on 52Cr)
p
K+
π+
K+
p, π+
Cherenkov detectors -AC,WC• Aerogel (n=1.05)
• Water (n=1.33)
TOF walls -2X,1Y,1X(Plastic scintillators)
TOF σ ≈ 170 [ps]
Strangeness 2010 at KEK
Drift chambers
-KDC1,KDC2σ ≈ 250 [μm]
K+ cut efficiency
• K+ survival ratio after
WC NPE cut
AC NPE cut
Mass square cut
Coincidence time cut
WC npe sum
AC npe sum
–
–
–
–
π+
K+
p
π+
p
K+
Mass square
K+ survival ratio after AC cut (CH2)
looser cut of AC NPE
p
π+
K+
Stricter cut of AC NPE
p
π+
K+
(accut,wccut) = (5,-0.1)
pi suv. ratio: 0.0631439+-0.00148976
K suv. ratio: 0.876875+-0.00513167
p suv. ratio: 0.911427+-0.0023794
(accut,wccut) = (10,-0.1)
pi suv. ratio: 0.105762+-0.0019663
K suv. ratio: 0.931211+-0.00536427
p suv. ratio: 0.94023+-0.00243485
(accut,wccut) = (15,-0.1)
pi suv. ratio: 0.141455+-0.00231043
K suv. ratio: 0.956913+-0.00547386
p suv. ratio: 0.960014+-0.00247285
K+ survival ratio after WC cut (CH2)
looser cut of WC NPE
p
π+
K+
Stricter cut of WC NPE
π+
K+
p
(accut,wccut) = (2000,1.1)
pi suv. ratio: 0.922368+-0.00752531
K suv. ratio: 0.987653+-0.00566791
p suv. ratio: 0.133889+-0.000701787
(accut,wccut) = (2000,1)
pi suv. ratio: 0.963952+-0.00777583
K suv. ratio: 0.989093+-0.0056741
p suv. ratio: 0.176933+-0.000821917
(accut,wccut) = (2000,0.9)
pi suv. ratio: 0.971601+-0.00782181
K suv. ratio: 0.999575+-0.00571909
p suv. ratio: 0.259314+-0.00102927
K+ survival ratio
after AC, WC cut (52Cr)
まぁまぁ
K+
K+
Increase… !
π+
p
π+
(accut,wccut) = (7,-0.1)
pi suv. ratio: 0.065416+-0.000449255
K suv. ratio: 0.586117+-0.00452555
p suv. ratio: 0.651355+-0.00184533
(accut,wccut) = (2000,1.2)
pi suv. ratio: 0.97553+-0.0026548
K suv. ratio: 1.04522+-0.00476197
p suv. ratio: 0.306715+-0.00108176
(accut,wccut) = (10,-0.1)
pi suv. ratio: 0.0798301+-0.000499635
K suv. ratio: 0.633024+-0.00477219
p suv. ratio: 0.715314+-0.0019709
(accut,wccut) = (2000,1.1)
pi suv. ratio: 0.980888+-0.00266569
K suv. ratio: 1.04946+-0.00477655
p suv. ratio: 0.342593+-0.00115887
(accut,wccut) = (12,-0.1)
pi suv. ratio: 0.106535+-0.00058428
K suv. ratio: 0.576053+-0.00447227
p suv. ratio: 0.750981+-0.00204033
(accut,wccut) = (2000,1)
pi suv. ratio: 0.999912+-0.00270431
K suv. ratio: 1.04956+-0.00477692
p suv. ratio: 0.382421+-0.0012424
Need to improve the fitting
WC NPE1+2 > 0.1
WC NPE1+2 > 0.4
WC NPE1+2 > 0.6
Fitting is not going well….
 Pre π+ cut
 Cut low and high mom segments separately
学会の移動+宿
関西学院大学
伊丹空港
梅田
飛行機往復 + ホテル4泊(ホテルコムズ大阪、朝食付き) = 50,800円
Summary & outlook
• Summary
– K+ cut efficiency
• Need to fit mass square distribution for high multiplicity data.
• Outlook
– E01-011
• ENGE + SPL GEANT4
• TOSCA 来週千賀さんと
– E05-115
•
•
•
•
Trigger efficiency (Chiba study)
Tracking efficiency
K + Cut efficiency for high multiplicity data
Matrix
– SNP2012
• 2/12- 2/18
• J-PARC, Tohoku Univ. , Sakunami
– GCOE 国際シンポジウム
• 2/20 – 2/22
• Tohoku Univ.
– JLab 出張
• 3/6 – 3/21
– 物理学会 (関西学院大学)
• 3/23 – 3/27 (前日入り)
END
Efficiency analysis flow cahrt
• HTRACKING/
• INCLUDE/
– hks_tracking.cmn
– hes_tracking.cmn
– Makefile
– h_dc_eff_count.f
– h_dc_eff_out.f
• ETRACKING/
– Makefile
– e_dc_eff_out.f
– e_dc_eff_count.f
•
HTRACKING/
– h_physics.f
•
ENGINE/
– g_ntuple_shutdown.f
•
ETRACKING/
– e_physics.f
Output
file
Run number
gstart (gstart + 1)
gstop
Number of tracks which are used for this analysis
• e05115replay/
Plane efficiencies
– scalers/KDCeff/
• kdc_eff_runnum.dat
– scalers/EDCeff/
• edc_eff_runnum.dat
6/6
Tracking Efficiency (5/6 & 5/6)
Rates
Tracking efficiency
• e05115replay/
– scalers/KDCeff/
•
•
•
•
•
Be target
Be target
kdc_eff_runnum.dat
Makefile
input.dat
makeROOT.cc
root/KDCeff.root
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