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Measurement E151M256

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0245 GeV2
W : 1295 GeV
ε : 0.9174
Ebeam : 1.3383 GeV
εL: 0.1172 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Data errors Systematic errors
0.15 42 -0.2801 0.4526 0.0655
0.25 30 -0.1297 0.5507 0.0311
0.25 42 -0.0451 0.3818 0.0323
0.25 54 0.2967 0.3314 0.0703
0.35 30 0.567 1.0117 0.0455
0.35 42 -0.0532 0.3681 0.0304
0.35 54 0.4901 0.41 0.0425
0.45 30 0.7043 0.449 0.0536
0.55 42 0.5566 0.8529 0.045
0.55 234 -0.2389 0.5567 0.0333
0.55 246 -0.3495 0.4981 0.0366
0.55 258 0.7563 0.6579 0.0545
0.55 270 -0.0803 0.4817 0.0304
0.65 126 0.4168 0.7744 0.0391
0.65 138 -0.0552 0.6183 0.0302
0.65 150 0.8931 0.835 0.0616
0.65 162 -0.3668 0.7243 0.0373
0.65 210 -0.0023 0.8168 0.03
0.65 222 -0.3877 0.5072 0.038
0.65 234 0.3992 0.4857 0.0384
0.65 246 -0.166 0.359 0.0316
0.65 258 -0.0111 0.4465 0.03
0.65 270 -0.6081 0.3874 0.0473
0.75 114 0.4531 0.8853 0.0406
0.75 126 0.5532 0.6673 0.0448
0.75 138 0.0143 0.5336 0.03
0.75 150 -0.1207 0.5597 0.0309
0.75 162 -0.4027 0.5001 0.0386
0.75 174 -0.388 0.5371 0.038
0.75 186 0.4468 0.825 0.0403
0.75 210 1.1296 0.8842 0.0743
0.75 222 -0.4119 0.4613 0.0389
0.75 234 0.3067 0.4789 0.0352
0.75 246 -0.3658 0.3127 0.0372
0.75 258 -0.2599 0.3464 0.0338
0.75 270 -0.5439 0.4077 0.0444
0.85 114 0.987 0.9912 0.0666
0.85 126 1.7586 1.0515 0.1101
0.85 138 0.0121 0.6551 0.03
0.85 150 -0.84 0.4025 0.0588
0.85 162 -0.1428 0.6336 0.0312
0.85 174 -0.5988 0.4409 0.0469
0.85 186 1.3446 0.8366 0.0863
0.85 198 -1.1091 0.543 0.0732
0.85 210 0.1569 0.6804 0.0315
0.85 222 -0.5097 0.4454 0.0429
0.85 234 -0.6245 0.3083 0.0481
0.85 246 0.4867 0.4311 0.0419
0.85 258 0.2844 0.43 0.0345
0.85 270 -0.4309 0.3803 0.0397
0.95 234 -0.3856 0.4863 0.0379
0.95 246 0.3684 0.6524 0.0373
0.45 42 0.3199 0.5105 0.0359
0.55 234 -0.9341 0.3763 0.0652
0.55 246 -0.2926 0.3672 0.035
0.55 258 -0.5738 0.3428 0.0465
0.55 270 0.0674 0.3756 0.0303
0.65 126 0.928 0.4786 0.0648
0.65 138 0.6884 0.469 0.0521
0.65 150 0.6545 0.514 0.0504
0.65 162 0.2303 0.4904 0.0332
0.65 222 -0.172 0.3916 0.0318
0.65 234 0.047 0.325 0.0301
0.65 246 -0.452 0.2826 0.041
0.65 258 -0.554 0.2519 0.0456
0.65 270 -0.6086 0.3425 0.0482
0.75 114 -0.5489 0.5665 0.0453
0.75 126 -0.21 0.3518 0.0327
0.75 138 0.0645 0.3425 0.0303
0.75 150 0.1907 0.3349 0.0322
0.75 162 -0.4236 0.3956 0.0398
0.75 174 0.0112 0.5229 0.03
0.75 186 0.4352 0.5451 0.0403
0.75 198 0.2898 0.511 0.035
0.75 210 -0.1012 0.4761 0.0306
0.75 222 -0.3684 0.341 0.0377
0.75 234 -0.4138 0.2769 0.0395
0.75 246 0.1998 0.2869 0.0324
0.75 258 -0.4245 0.2585 0.0399
0.75 270 -0.3307 0.362 0.0363
0.75 282 -0.1647 0.5535 0.0317
0.85 126 -0.3817 0.4214 0.0382
0.85 138 -0.2415 0.3649 0.0335
0.85 150 -0.5947 0.3545 0.0475
0.85 162 -0.4652 0.3931 0.0416
0.85 174 0.1633 0.4553 0.0317
0.85 186 -0.0095 0.428 0.03
0.85 198 -0.4087 0.5455 0.0392
0.85 210 1.5113 0.4661 0.0983
0.85 222 0.3537 0.4085 0.0371
0.85 234 0.4271 0.2806 0.04
0.85 246 0.1037 0.2398 0.0307
0.85 258 -0.0863 0.2643 0.0305
0.85 270 0.5197 0.3069 0.044
0.95 114 -0.2737 0.4525 0.0345
0.95 234 0.0779 0.4407 0.0304
0.95 246 0.3133 0.4234 0.0357