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Measurement E151M1754

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0415 GeV2
W : 1355 GeV
ε : 0.9469
Ebeam : 1.9889 GeV
εL: 0.1393 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.15 30 -0.8691 0.7355 0.0606
0.15 42 -0.4761 0.7103 0.0416
0.25 30 0.1818 0.8273 0.032
0.25 66 0.8938 0.65 0.0619
0.25 294 0.0502 0.6299 0.0302
0.25 306 0.4943 0.57 0.0424
0.35 66 -0.7341 0.4735 0.0537
0.35 78 0.0636 0.4789 0.0302
0.35 90 0.0914 0.6452 0.0305
0.35 282 -0.2819 0.5976 0.0345
0.35 294 0.218 0.4374 0.0328
0.35 306 -0.1824 0.4941 0.032
0.45 66 0.3016 0.4929 0.0351
0.45 78 -0.1458 0.396 0.0313
0.45 90 0.4608 0.4581 0.041
0.45 270 0.806 0.5594 0.0573
0.45 282 -0.5846 0.411 0.0464
0.45 294 -0.6754 0.3644 0.0507
0.45 306 -0.744 0.4929 0.0542
0.55 66 -0.6065 0.5509 0.0474
0.55 78 0.3092 0.4196 0.0354
0.55 90 -0.4092 0.4169 0.0389
0.55 102 -0.1407 0.6816 0.0312
0.55 114 -0.6995 0.7225 0.0519
0.55 126 -0.2707 0.7058 0.0342
0.55 246 0.3394 0.6344 0.0364
0.55 258 -0.4046 0.5902 0.0387
0.55 270 0.4187 0.5265 0.0393
0.55 282 -0.2742 0.4456 0.0343
0.55 294 0.0921 0.492 0.0305
0.65 66 0.1447 0.6406 0.0313
0.65 78 0.221 0.43 0.0329
0.65 90 0.8254 0.632 0.0583
0.65 102 -0.2526 0.5757 0.0337
0.65 114 -0.4495 0.5177 0.0405
0.65 126 -0.5809 0.46 0.0463
0.65 138 -0.4198 0.5223 0.0393
0.65 210 -0.1929 0.6869 0.0322
0.65 222 0.206 0.5249 0.0325
0.65 234 -0.8249 0.4055 0.0583
0.65 246 0.9505 0.365 0.0649
0.65 258 -0.2527 0.4281 0.0337
0.65 270 -0.4511 0.5655 0.0406
0.65 282 0.6521 0.6379 0.0496
0.75 78 -0.6726 0.6816 0.0506
0.75 90 2.4398 2.4398 0.1509
0.75 102 0.1257 0.5372 0.031
0.75 114 0.774 0.4012 0.0557
0.75 126 0.066 0.4544 0.0303
0.75 138 0.115 0.4158 0.0308
0.75 150 -0.0255 0.5059 0.03
0.75 162 -0.1752 0.6749 0.0318
0.75 210 -0.2794 0.58 0.0344
0.75 222 -0.1131 0.4508 0.0308
0.75 234 -0.3198 0.3785 0.0357
0.75 246 0.6239 0.3377 0.0483
0.75 258 0.1507 0.409 0.0314
0.75 270 0.4861 0.5588 0.042
0.85 102 -0.1578 0.7775 0.0315
0.85 114 0.0214 0.5287 0.03
0.85 126 -0.4911 0.4145 0.0423
0.85 138 0.156 0.4437 0.0315
0.85 150 0.4227 0.5331 0.0394
0.85 162 -0.7421 0.7064 0.0541
0.85 198 0.5064 0.7164 0.0429
0.85 210 0.5669 0.4881 0.0456
0.85 222 0.4512 0.4403 0.0406
0.85 234 -0.1194 0.4085 0.0309
0.85 246 0.5116 0.3236 0.0431
0.85 258 0.9574 0.3428 0.0653
0.85 270 -0.2916 0.4989 0.0348
0.95 210 -0.8204 0.6693 0.0581
0.95 222 0.4588 0.581 0.0409
0.95 234 -0.0675 0.536 0.0303
0.95 246 1.2996 0.5446 0.0843