Difference between revisions of "DeltaDoverD Progress"

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'''Table. 1  Pion Paddle Number ratio'''
 
'''Table. 1  Pion Paddle Number ratio'''
  
−
ND3Bn/NH3Bp
+
*1'''ND3Bn/NH3Bp'''
  
−
3.89 0.4         0.000896
+
{| border="1"  |cellpadding="20" cellspacing="0
−
4.89 0.33 0.000595
+
|-
−
5.89 0.38 0.000757
+
|Pion Paddle Number || Number of Events ND3Bn || Number of Events NH3Bp  || Ratio(ND3Bn/NH3Bp) <math>\pm</math> error
−
6.89 0.26 0.000488
+
|-
−
7.89 0.25 0.000348
+
|3.89|| 81 ||69 ||0.4 <math>\pm</math> 0.000896
−
8.89 0.28 0.000283
+
|-
−
9.89 0.28 0.000117
+
|4.89 ||84 ||87 ||0.33 <math>\pm</math> 0.000595
−
10.89 0.24 0.000092
+
|-
−
11.89 0.24 0.000057
+
|5.89 ||84 ||76 ||0.38 <math>\pm</math>0.000757
−
12.89 0.22 0.000043
+
|-
−
13.89 0.24 0.000040
+
|6.89 ||75 ||98 ||0.26 <math>\pm</math>0.000488
−
14.89 0.22 0.000036
+
|-
−
15.89 0.27 0.000040
+
|7.89 ||91 ||123|| 0.25 <math>\pm</math> 0.000348
−
16.89 0.29 0.000039
+
|-
−
17.89 0.25 0.000036
+
|8.89 ||115|| 141|| 0.28 <math>\pm</math> 0.000283
−
18.89 0.27 0.000039
+
|-
−
19.89 0.27 0.000042
+
|9.89 ||207|| 254 ||0.28 <math>\pm</math> 0.000117
−
20.89 0.28 0.000042
+
|-
−
21.89 0.27 0.000048
+
|10.89 ||212|| 300 ||0.24 <math>\pm</math>0.000092
−
22.89 0.29 0.000070
+
|-
−
23.89 0.33 0.000038
+
|11.89 ||284|| 413 ||0.24 <math>\pm</math>0.000057
−
24.89 0.3         0.000032
+
|-
−
25.89 0.33 0.000034
+
|12.89 ||322|| 501 ||0.22 <math>\pm</math> 0.000043
−
26.89 0.32 0.000036
+
|-
−
27.89 0.33 0.000052
+
|13.89 ||359|| 521 ||0.24 <math>\pm</math> 0.000040
−
28.89 0.37 0.000079
+
|-
−
29.89 0.32 0.000427
+
|14.89 ||365|| 565 ||0.22 <math>\pm</math> 0.000036
 +
|-
 +
|15.89 ||415|| 523 ||0.27 <math>\pm</math>0.000040
 +
|-
 +
|16.89 ||444|| 526 ||0.29 <math>\pm</math> 0.000039
 +
|-
 +
|17.89 ||405|| 555 ||0.25 <math>\pm</math> 0.000036
 +
|-
 +
|18.89 ||414|| 528 ||0.27 <math>\pm</math> 0.000039
 +
|-
 +
|19.89 ||387|| 502 ||0.27 <math>\pm</math> 0.000042
 +
|-
 +
|20.89 ||408|| 505 ||0.28 <math>\pm</math> 0.000042
 +
|-
 +
|21.89 ||352|| 457 ||0.27 <math>\pm</math> 0.000048
 +
|-
 +
|22.89 ||298|| 358 ||0.29 <math>\pm</math> 0.000070
 +
|-
 +
|23.89 ||522|| 547 ||0.33 <math>\pm</math> 0.000038
 +
|-
 +
|24.89 ||530|| 608 ||0.3 <math>\pm</math> 0.000032
 +
|-
 +
|25.89 ||571|| 590 ||0.33 <math>\pm</math> 0.000034
 +
|-
 +
|26.89 ||523|| 564 ||0.32 <math>\pm</math> 0.000036
 +
|-
 +
|27.89 ||422|| 440 ||0.33 <math>\pm</math> 0.000052
 +
|-
 +
|28.89 ||368|| 342 ||0.37 <math>\pm</math> 0.000079
 +
|-
 +
|29.89 ||101|| 108 ||0.32 <math>\pm</math> 0.000427
 +
|}
 +
 +
 
 +
*1'''ND3Bp/NH3Bn'''
 +
 
 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Pion Paddle Number || Number of Events ND3Bp || Number of Events NH3Bn  || Ratio(ND3Bp/NH3Bn) <math>\pm</math> error
 +
|-
  
  

Revision as of 00:29, 6 March 2011

TD_Ddoverd_2008

TD_Ddoverd_2009

TD_Ddoverd_2010

The goal

Fragmentation Function test

A complete test of independent fragmentation can be performed with polarized proton and neutron targets. The ratio of the difference of polarized to unpolarized cross sections for proton and neutron targets [math]\Delta R_{np}^{\pi^+ + \pi^-}[/math] can be written in terms of the structure functions:

[math]\Delta R_{np}^{\pi^+ + \pi^-} = \frac{\Delta \sigma_p^{\pi^+ + \pi^-} - \Delta \sigma_{n}^{\pi^+ + \pi^-}}{\sigma_p^{\pi^+ + \pi^-} - \sigma_{n}^{\pi^+ + \pi^-}}= \frac{g_1^p - g_1^n}{F_1^p - F_1^n}(x,Q^2)[/math]

Delta d over d

[math]\frac{\Delta d_v}{d_v}(x,Q^2) = \frac{\Delta \sigma_p^{\pi^+ \pm \pi^-} - 4\Delta \sigma_{2H}^{\pi^+ \pm \pi^-}}{\sigma_p^{\pi^+ \pm \pi^-} - 4\sigma_{2H}^{\pi^+ \pm \pi^-}} (x,Q^2)[/math]

1/24/2011

1.) Find energy range with substantial ND3, pi- events when B <0.

Ratio plot for Q^2 and X_{BJ}

once you find the Q^2 and X_BJ range holding a reasonable amount of data.



2.) Inclusive electron scattering ratio of

Inclusiveelectrons -vs- Q-squared Inclusive Missing Mass (W) for 1.0 Q^2 <1.2
[[|300px|thumb|The ratio of inclusive electrons detected in scintillator paddle #7 when Btorus >0 (B_p)to inclusive electrons detected by paddle 11 when B<0(B_n) NH3 Target]] [[|300px|thumb|The inclusive missing mass W for each torus setting. Dashed line is B>0 and solid line is B<0]]
[[|300px|thumb|The ratio of inclusive electrons detected in scintillator paddle #7 when Btorus >0 (B_p)to inclusive electrons detected by paddle 11 when B<0(B_n)]]ND3 Target [[|300px|thumb|The inclusive missing mass W for each torus setting. Dashed line is B>0 and solid line is B<0]]
[[|300px|thumb|The ratio of inclusive electrons detected in scintillator paddle #7 when Btorus >0 (B_p)to inclusive electrons detected by paddle 11 when B<0(B_n)]] Both Targets 300px|thumb|The inclusive missing mass W for each torus setting. Dashed line is B>0 and solid line is B<0

3.) Semi Inclusive pion production ratios -vs- Q^2, Only electron cuts

/cache/mss/clas/eg1b/production/pass1/v4/4p2out/misc/dst/dst2828*


ND3 4.2-

ND3 4.2+

NH3 4.2-

28422 28423 28424 28425 28426 28427 28428 28429 28432 28433 28438 28439 28443 28445 28446 28447 28448 28449 28450 28456 28457 28458 28460 28461 28462 28463 28464 28467 28469 28471 28472 28473 28476 28478 28479

NH3 4.2+

28240 28242 28244 28245 28246 28247 28249 28250 28252 28253 28254 28255 28256 28260 28261 28262 28263 28264 28265 28266 28272 28274 28275 28276 28277

File locations http://www.jlab.org/Hall-B/secure/eg1/EG2000/nevzat/UPGRADE_DST/

/cache/mss/home/nguler/dst

Rates before and after requiring pions

all the cuts are applied, except NPHE>2.5 cut.

NPHE ND3 4 2- nopions.gifNPHE ND3 4 2- withpions.gif

4.2 GeV, ND3 target, 98 files, B<0[math]\frac{\mbox{SemiInclusive Events}}{\mbox{Inclusive Events}}= 14.5% [/math]

NPHE ND3 4 2+ nopions.gifNPHE ND3 4 2+ withpions.gif

4.2 GeV, ND3 target, 32 files, B>0[math]\frac{\mbox{SemiInclusive Events}}{\mbox{Inclusive Events}}= 4.4 %[/math]

The ratio for ND3 4.2 GeV data

Electron paddle selection

Inclusive

ElectronPaddleNumber4 2GeVND3negativewithoutpions.gif ElectronPaddleNumber4 2GeVND3positivewithoutpions.gif
Electron Paddle Number(Inclusive, B<0, 4.2 GeV Beam, ND3 Target) Electron Paddle Number(Inclusive, B>0, 4.2 GeV Beam, ND3 Target)

Semi-Inclusive

ElectronPaddleNumber4 2GeVND3negativewithpions.gif ElectronPaddleNumber4 2GeVND3positivewithpions.gif
Electron Paddle Number(Semi-Inclusive, B<0, 4.2 GeV Beam, ND3 Target) Electron Paddle Number(Semi-Inclusive, B>0, 4.2 GeV Beam, ND3 Target)


B>0, ND3 Electron paddle number=5

B<0, ND3 Electron paddle number=10

The Ratio

X_B [math]\frac{ND3,Epaddle=5,B\gt 0}{ND3,Epaddle=10,B\lt 0}[/math] without pions [math]\frac{ND3,Epaddle=5,B\gt 0}{ND3,Epaddle=10,B\lt 0}[/math] with pions
0.3 [math]1.01 \pm 0.02[/math] [math] 1.2 \pm 0.1[/math]
0.35 [math]1.06 \pm 0.01[/math] [math]1.1 \pm 0.06[/math]
0.4 [math]1.1 \pm 0.01[/math] [math]1.03 \pm 0.08[/math]
0.45 [math]1.1 \pm 0.01[/math] [math]1.1 \pm 0.09[/math]
0.5 [math]0.9 \pm 0.02[/math] [math]0.6 \pm 0.2[/math]
0.55 [math]0.23 \pm 0.06[/math] [math]0.13 \pm 0.5[/math]


The ratio for NH3 4.2 GeV data

Electron paddle selection

Inclusive

ElectronPaddleNumber4 2GeVNH3negativewithoutpions.gif ElectronPaddleNumber4 2GeVNH3positivewithoutpions.gif
Electron Paddle Number(Inclusive, B<0, NH3 target, 4.2 GeV Beam) Electron Paddle Number(Inclusive, B>0, NH3 target, 4.2 GeV Beam)

Semi-Inclusive

ElectronPaddleNumber4 2GeVNH3negativewithpions.gif positive
Electron Paddle Number(Semi-Inclusive, B<0, NH3 target, 4.2 GeV Beam) Electron Paddle Number(Semi-Inclusive, B>0, NH3 target, 4.2 GeV Beam)


B>0, NH3 Electron paddle number=5

B<0, NH3 Electron paddle number=10

The Ratio

X_B [math]\frac{NH3,Epaddle=5,B\gt 0}{NH3,Epaddle=10,B\lt 0}[/math] without pions [math]\frac{NH3,Epaddle=5,B\gt 0}{NH3,Epaddle=10,B\lt 0}[/math] with pions
0.3 [math]1.02 \pm 0.01[/math] [math] 1.2 \pm 0.03[/math]
0.35 [math]1.08 \pm 0.008[/math] [math]1.01 \pm 0.02[/math]
0.4 [math]1.09 \pm 0.009[/math] [math]1.04 \pm 0.02[/math]
0.45 [math]1.19 \pm 0.01[/math] [math]1.1 \pm 0.03[/math]
0.5 [math]0.9 \pm 0.01[/math] [math]0.8 \pm 0.03[/math]
0.55 [math]0.2 \pm 0.03[/math] [math]0.18 \pm 0.09[/math]

1/31/11

Electron paddle number for B>0 is 5 and for B<0 - 10. The cut was applied on [math]X_B[/math] : [math]0.3\lt X_B\lt 0.6[/math]

Inclusive

 Are the ratio's from rates normalized with beam current measured by the FC?

 Is the conclusion that the NH3 and ND3 rates are indistinguishable?

1.) Overlap electron kinematic ([math]\theta[/math], W, Momentum) for B>0 and B<0 and ND3 and NH3.

(NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0)

EmomInclusiveoverlay4-2GeV.gif EthetaInclusiveoverlay4-2GeV.gif WInclusiveoverlay4-2GeV.gif
Electron Momentum((NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0)) Electron [math]\theta[/math] Angle((NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0)); can create angle cut on electron to be sure flipping B-field contains same electrons W mass((NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0))

2.) Now plot ratio (B< 0/B>0) electron kinematic ([math]\theta[/math], W, Momentum) for ND3 and NH3. ( I expect 2 curves in one plot)

[math]\frac{ND3 B\lt 0}{ND3 B\gt 0}[/math], [math]\frac{NH3 B\lt 0}{NH3 B\gt 0}[/math]

Emomratioinclusive4-2GeV.jpg Ethetaratioinclusive4-2GeV.jpg Wratioinclusive4-2GeV.jpg
Electron Momentum([math]\frac{ND3 B\lt 0}{ND3 B\gt 0}[/math], [math]\frac{NH3 B\lt 0}{NH3 B\gt 0}[/math]) Electron [math]\theta[/math] Angle([math]\frac{ND3 B\lt 0}{ND3 B\gt 0}[/math], [math]\frac{NH3 B\lt 0}{NH3 B\gt 0}[/math]) W mass([math]\frac{ND3 B\lt 0}{ND3 B\gt 0}[/math], [math]\frac{NH3 B\lt 0}{NH3 B\gt 0}[/math])

2.) Target ratio (B< 0/B>0) Difference electron kinematic ([math]\theta[/math], W, Momentum) (Ration for ND3 target - Ratio for NH3 target). ( I expect 1 curves in one plot)

[math]\frac{ND3 B\lt 0}{ND3 B\gt 0} - \frac{NH3 B\lt 0}{NH3 B\gt 0}[/math]

Emomratiodiffinclusive4-2GeV.jpg Ethetaratiodiffinclusive4-2GeV.jpg Wratiodiffinclusive4-2GeV.jpg
Electron Momentum ([math]\frac{ND3 B\lt 0}{ND3 B\gt 0} - \frac{NH3 B\lt 0}{NH3 B\gt 0}[/math]) [math]\theta[/math] Theta Angle([math]\frac{ND3 B\lt 0}{ND3 B\gt 0} - \frac{NH3 B\lt 0}{NH3 B\gt 0}[/math]) W mass([math]\frac{ND3 B\lt 0}{ND3 B\gt 0} - \frac{NH3 B\lt 0}{NH3 B\gt 0}[/math])

Semi-Inclusive

(NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0)

EmomSemiInclusiveoverlay4-2GeV.gif EthetaSemiInclusiveoverlay4-2GeV.gif WSemiInclusiveoverlay4-2GeV.gif
Electron Momentum((NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0)) Electron [math]\theta[/math] Angle((NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0)) W mass((NH3,B>0), (NH3,B<0), (ND3,B>0) && (ND3,B<0))

2

2/7/11

1.) Now look a specific electron kinematic which appear to have unity ratio. P=2.5 GeV, \theta =18 degrees

W NH3,B<0 NH3,B>0 ND3,B<0 ND3,B>0 NH3,B>0 - NH3,B<0 NH3,B>0 - NH3,B<0
1.72 [math]1.2 X 10^{-5} \pm 0.05[/math] [math]2.9 × 10^{-5} \pm 0.04[/math] [math]11.8 x 10^{-5} \pm 0.05[/math] [math]2.1125 × 10^{-5} \pm 0.075[/math] 1.7 -9.7
1.74 [math] 3.9× 10^{-5} \pm 0.03[/math] [math] 9.0 × 10^{-5} \pm 0.02[/math] 3[math]8.5x 10^{-5} \pm 0.03[/math] [math]7.25 × 10^{-5} \pm 0.05[/math] 5.1 -3.2
1.76 [math]5.0× 10^{-5} \pm 0.024[/math] [math]10 x 10_{-5} \pm 0.02[/math] [math]51.8x 10^{-5} \pm 0.025[/math] [math]8.2 × 10^{-5} \pm 0.047[/math] 5.0 -43.6
1.78 [math]4.2 × 10^{-5} \pm 0.03[/math] [math] 8.4 × 10^{-5} \pm 0.02[/math] [math]40.4x 10^{-5} \pm 0.03[/math] [math]7.3 × 10^{-5} \pm 0.05[/math] 4.2 -33.1
1.8 [math] 5.8 × 10^{-6} \pm 0.07[/math] [math] 1.4 × 10^{-5} \pm 0.05[/math] [math]6.2 × 10-5 \pm 0.07[/math] [math]1.05 × 10^{-5} \pm 0.1[/math] 0.8 -5.2

2.) Semi-Inclusive using above electrons

Semiinclusivepionpaddlenumber.gif Semiinclusivepionmomentum.gif
Paddle Number Pion Momentum

3.) Semi-Inclusive using above electrons and choosing a single paddle from 2.)

Pi+/Pi- hitting paddle # Pi+/Pi- hitting paddle #


2/14/11

1.) Get all files

2.) Do semi-inclusive paddle number for pions again

3.) Paddle Number ratio (with more files in order to double check, the same cuts on electrons)

2/23/11

1.) Plot pi^-/pi^+ -vs paddle #

2.) Paddle 7 has ratio 0f 0.9. Plot W, Q^2 and M_{\pi}

W

ND3BpW.gifNH3BnW.gif

Q^2

ND3BpQ.gifNH3BnQ.gif

3.) Paddle 25 has ratio 0f 0.3. Plot W, Q^2, M (our goal is to determine if the detector has same efficiency for detector same reaction when the Torus filed is flipped)


W

ND3BnW.gifNH3BpW.gif

Q^2

ND3BnQ.gifNH3BpQ.gif


3/04/11

Pionpaddlenumberratio.jpg


Table. 1 Pion Paddle Number ratio

  • 1ND3Bn/NH3Bp
Pion Paddle Number Number of Events ND3Bn Number of Events NH3Bp Ratio(ND3Bn/NH3Bp) [math]\pm[/math] error
3.89 81 69 0.4 [math]\pm[/math] 0.000896
4.89 84 87 0.33 [math]\pm[/math] 0.000595
5.89 84 76 0.38 [math]\pm[/math]0.000757
6.89 75 98 0.26 [math]\pm[/math]0.000488
7.89 91 123 0.25 [math]\pm[/math] 0.000348
8.89 115 141 0.28 [math]\pm[/math] 0.000283
9.89 207 254 0.28 [math]\pm[/math] 0.000117
10.89 212 300 0.24 [math]\pm[/math]0.000092
11.89 284 413 0.24 [math]\pm[/math]0.000057
12.89 322 501 0.22 [math]\pm[/math] 0.000043
13.89 359 521 0.24 [math]\pm[/math] 0.000040
14.89 365 565 0.22 [math]\pm[/math] 0.000036
15.89 415 523 0.27 [math]\pm[/math]0.000040
16.89 444 526 0.29 [math]\pm[/math] 0.000039
17.89 405 555 0.25 [math]\pm[/math] 0.000036
18.89 414 528 0.27 [math]\pm[/math] 0.000039
19.89 387 502 0.27 [math]\pm[/math] 0.000042
20.89 408 505 0.28 [math]\pm[/math] 0.000042
21.89 352 457 0.27 [math]\pm[/math] 0.000048
22.89 298 358 0.29 [math]\pm[/math] 0.000070
23.89 522 547 0.33 [math]\pm[/math] 0.000038
24.89 530 608 0.3 [math]\pm[/math] 0.000032
25.89 571 590 0.33 [math]\pm[/math] 0.000034
26.89 523 564 0.32 [math]\pm[/math] 0.000036
27.89 422 440 0.33 [math]\pm[/math] 0.000052
28.89 368 342 0.37 [math]\pm[/math] 0.000079
29.89 101 108 0.32 [math]\pm[/math] 0.000427


  • 1ND3Bp/NH3Bn
0.91 1.29 0.004556 1.91 1.73 0.002488 2.91 1.58 0.002361 3.91 0.71 0.000822 4.91 0.69 0.000766 5.91 0.89 0.000649 6.91 0.77 0.000594 7.91 0.86 0.000484 8.91 0.85 0.000595 9.91 0.61 0.000459 10.91 0.64 0.000607 11.91 0.83 0.000481 12.91 0.59 0.000528 13.91 0.64 0.000541 14.91 0.66 0.000631 15.91 0.59 0.000609 16.91 0.76 0.000774 17.91 0.57 0.000973 18.91 0.62 0.001189 19.91 0.53 0.001273 20.91 0.47 0.002111 21.91 0.46 0.003316 22.91 0.72 0.004942 23.91 0.73 0.004087 24.91 1.04 0.003963 25.91 0.91 0.007479 26.91 0.93 0.008105 27.91 1.77 0.014578 28.91 1.28 0.011546 W ND3BpW4.gifNH3BnW4.gif Q^2 ND3BpQ4.gifNH3BnQ4.gif W ND3BnW4.gifNH3BpW4.gif Q^2 ND3BnQ4.gifNH3BpQ4.gif
Pion Paddle Number Number of Events ND3Bp Number of Events NH3Bn Ratio(ND3Bp/NH3Bn) [math]\pm[/math] error
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