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Measurement E151M299

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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 : 0.0593 GeV2
W : 1355 GeV
ε : 0.8568
Ebeam : 1.3383 GeV
εL: 0.1736 

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
0.55 246 0.3875 0.4701 0.0385
0.65 126 0.5994 0.6734 0.0477
0.65 222 -0.8469 0.5456 0.0604
0.65 234 0.3034 0.5106 0.0354
0.65 246 -0.5887 0.3886 0.0472
0.65 258 -0.1567 0.4116 0.0315
0.65 270 0.1452 0.6432 0.0313
0.75 114 -0.9336 0.4388 0.0651
0.75 126 -0.5243 0.4946 0.0442
0.75 138 -0.7295 0.4113 0.0542
0.75 150 0.1449 0.4825 0.0313
0.75 162 -0.2386 0.5862 0.0334
0.75 222 0.5529 0.4933 0.0455
0.75 234 -0.2699 0.4077 0.0343
0.75 246 -0.1962 0.4241 0.0324
0.75 258 -0.1149 0.3839 0.0308
0.75 270 -0.5473 0.4087 0.0453
0.85 114 0.0561 0.5684 0.0302
0.85 126 -0.265 0.4579 0.0342
0.85 138 -0.4315 0.4465 0.0402
0.85 150 -0.5592 0.5355 0.0458
0.85 162 -0.1504 0.5266 0.0314
0.85 174 0.7305 0.6389 0.0543
0.85 210 0.9696 0.6178 0.0671
0.85 222 -0.7722 0.5253 0.0564
0.85 234 0.695 0.4231 0.0525
0.85 246 -0.3621 0.4052 0.0375
0.85 258 -0.1336 0.3327 0.0311
0.85 270 -0.4602 0.3593 0.0414
0.85 282 0.1282 0.4302 0.031
0.95 114 0.1192 0.4999 0.0309
0.95 234 -0.3732 0.4312 0.0379
0.95 246 -0.836 0.3956 0.0598
0.95 258 0.8846 0.5133 0.0625
0.95 270 0.4028 0.4349 0.039
0.55 258 -0.9224 0.4758 0.0631
0.55 270 3.2473 3.2473 0.1978
0.65 126 -1.822 0.3627 0.1137
0.65 138 1.237 1.1154 0.0803
0.65 234 -1.0807 0.4288 0.0717
0.65 246 -0.654 0.3929 0.0495
0.65 258 -0.1369 0.5419 0.0311
0.65 270 -0.4189 0.5988 0.0392
0.75 114 -0.7797 0.7022 0.0557
0.75 126 -0.666 0.528 0.0501
0.75 138 0.1249 0.8536 0.0309
0.75 150 1.2001 1.0976 0.0782
0.75 222 -0.7824 0.5265 0.0559
0.75 234 1.3988 0.9207 0.0894
0.75 246 -0.1611 0.6105 0.0315
0.75 258 0.9019 0.7137 0.062
0.75 270 -0.1467 0.6589 0.0313
0.85 114 -0.1726 0.7411 0.0317
0.85 126 0.2938 0.7413 0.0348
0.85 138 0.9556 0.909 0.0649
0.85 150 -0.5668 0.5453 0.0454
0.85 222 0.6366 1.0445 0.0487
0.85 234 -0.7638 0.4689 0.0549
0.85 246 0.7515 0.6372 0.0543
0.85 258 -0.1717 0.4557 0.0317
0.85 270 0.8649 0.6958 0.0601
0.85 282 -0.2207 0.6778 0.0328
0.95 102 1.7235 1.0371 0.108
0.95 114 1.1631 0.9075 0.0762
0.95 222 0.528 0.9159 0.0437
0.95 234 -0.7389 0.4279 0.0537
0.95 246 -0.5661 0.4814 0.0454
0.95 258 0.1831 0.6368 0.032
0.95 270 1.2594 1.0216 0.0816
0.95 282 0.1765 0.7319 0.0318