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Measurement E151M1007

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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 : 0.348 GeV2
W : 1385 GeV
ε : 0.9374
Ebeam : 2.999 GeV
εL: 0.5982 

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 Stat. error Syst. error
0.05 66 -1.6824 0.4723 0.1266
0.15 66 0.5586 0.7195 0.0507
0.15 294 -0.1877 0.6003 0.033
0.25 54 0.1201 0.741 0.0313
0.25 294 -0.0723 0.7287 0.0305
0.35 282 1.1453 0.8399 0.0889
0.45 90 -0.2857 0.6589 0.0366
0.55 78 -0.0521 0.6212 0.0302
0.55 90 0.5184 0.7147 0.0483
0.55 102 -0.9965 0.4827 0.0788
0.55 258 -0.2637 0.7165 0.0357
0.65 66 -0.0966 0.646 0.0308
0.65 78 0.834 0.5678 0.0679
0.65 90 0.8288 0.5019 0.0676
0.65 102 1.1813 0.6122 0.0914
0.65 114 0.5985 0.7323 0.053
0.65 258 0.0497 0.6055 0.0302
0.65 270 -1.0676 0.4573 0.0836
0.65 282 0.4033 0.6754 0.0421
0.65 294 -0.7658 0.5652 0.0635
0.75 54 -0.5512 0.5289 0.0502
0.75 66 1.3059 0.8411 0.1001
0.75 78 -0.2209 0.451 0.0341
0.75 90 0.7764 0.5206 0.0642
0.75 102 0.0569 0.4827 0.0303
0.75 114 0.194 0.623 0.0332
0.75 126 0.6712 0.7808 0.0575
0.75 234 1.1288 0.7455 0.0878
0.75 246 -0.6623 0.4491 0.057
0.75 258 -0.3115 0.4595 0.0377
0.75 270 0.0284 0.4505 0.0301
0.75 282 0.3525 0.5282 0.0395
0.75 294 -0.3393 0.445 0.0389
0.75 306 -0.4223 0.5713 0.043
0.85 42 1.4405 0.7706 0.1095
0.85 54 0.7802 0.7463 0.0644
0.85 78 0.6159 0.5175 0.0541
0.85 90 0.1131 0.4562 0.0311
0.85 102 0.1998 0.4767 0.0334
0.85 114 -0.3146 0.53 0.0378
0.85 126 0.1364 0.619 0.0316
0.85 138 0.1871 0.7424 0.033
0.85 210 -0.2032 0.6327 0.0335
0.85 222 -0.3816 0.5084 0.041
0.85 234 -0.3046 0.5167 0.0374
0.85 246 -0.7327 0.3965 0.0614
0.85 258 -0.1728 0.4513 0.0325
0.85 270 -0.7184 0.3505 0.0605
0.85 282 -0.2987 0.3771 0.0371
0.85 294 -0.2701 0.402 0.0359
0.85 306 -0.4146 0.3787 0.0426
0.85 318 -0.3459 0.405 0.0392
0.95 78 -0.1693 0.5721 0.0325
0.95 90 0.347 0.578 0.0393
0.95 102 -1.3561 0.4545 0.1036
0.95 114 1.081 0.8559 0.0845
0.95 186 0.3831 0.6796 0.041
0.95 198 -0.5636 0.6101 0.051
0.95 210 0.2116 0.7189 0.0338
0.95 222 0.8741 0.5985 0.0706
0.95 234 -0.5189 0.4439 0.0484
0.95 246 -0.3282 0.5184 0.0384
0.95 258 -0.4261 0.4427 0.0432
0.95 270 -0.6511 0.42 0.0563
0.95 282 -0.189 0.4473 0.033
0.95 294 0.3465 0.5158 0.0393
0.95 306 0.4126 0.4724 0.0425
0.95 318 1.1525 0.5801 0.0894
0.95 330 -0.4918 0.4279 0.0468