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Measurement E151M337

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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 : 0.0496 GeV2
W : 1415 GeV
ε : 0.8111
Ebeam : 1.3383 GeV
εL: 0.1032 

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
0.25 30 0.0311 1.0167 0.0301
0.35 18 -0.6211 0.8254 0.0479
0.45 30 0.8179 1.2147 0.0577
0.55 138 -1.1659 0.7109 0.0764
0.55 234 -0.4 0.616 0.0385
0.55 246 0.3872 0.9575 0.038
0.55 258 0.1468 0.8396 0.0313
0.65 114 -0.9594 0.7513 0.0651
0.65 126 0.9934 1.2605 0.0669
0.65 138 -1.4926 0.509 0.0948
0.65 150 2.3103 1.2606 0.1423
0.65 222 0.4735 0.9759 0.0414
0.65 234 -0.1957 0.6247 0.0322
0.65 246 -0.9126 0.4214 0.0626
0.65 258 1.6042 0.7892 0.1012
0.75 114 -0.1859 0.9018 0.032
0.75 126 -0.5376 0.6219 0.0441
0.75 138 -0.5658 0.7073 0.0454
0.75 150 1.4426 1.1501 0.0919
0.75 162 -0.7739 0.7388 0.0554
0.75 210 1.8684 1.304 0.1164
0.75 222 0.7962 0.9416 0.0566
0.75 234 0.4088 0.7345 0.0388
0.75 246 -1.1358 0.4249 0.0747
0.75 258 0.6135 0.8141 0.0476
0.75 270 -1.0112 0.5543 0.0679
0.85 114 -0.6313 0.8366 0.0484
0.85 126 -0.2789 1.0024 0.0344
0.85 138 0.1318 1.0257 0.031
0.85 210 -0.0909 0.9455 0.0305
0.85 222 0.4137 0.8093 0.039
0.85 234 -0.6522 0.4954 0.0494
0.85 246 0.7903 0.6881 0.0563
0.85 258 0.2615 0.5938 0.0339
0.85 270 -0.585 0.5245 0.0463
0.95 234 0.132 0.6289 0.031
0.95 246 -0.0361 0.5609 0.0301
0.95 258 -0.1671 0.6032 0.0316
0.25 42 1.243 0.7082 0.0826
0.35 30 -0.128 0.6718 0.031
0.35 42 0.5651 0.701 0.0461
0.45 30 -0.5881 0.5886 0.0472
0.55 138 0.4285 0.7186 0.04
0.55 222 -1.0569 0.5583 0.072
0.55 234 -0.1863 0.6241 0.0321
0.55 246 1.1311 0.5722 0.0762
0.65 126 -0.7809 0.5267 0.0569
0.65 138 -0.0674 0.5369 0.0303
0.65 150 -0.4807 0.6306 0.0423
0.65 162 -0.5225 0.6533 0.0441
0.65 222 0.1108 0.5089 0.0308
0.65 234 0.0318 0.486 0.0301
0.65 246 0.3527 0.4706 0.0371
0.65 258 -0.7321 0.4942 0.0544
0.75 114 0.1117 0.6454 0.0308
0.75 126 -0.0622 0.4324 0.0302
0.75 138 -0.3673 0.4329 0.0376
0.75 150 -1.0698 0.4826 0.0727
0.75 162 -0.175 0.6378 0.0319
0.75 222 0.3427 0.4758 0.0367
0.75 234 0.0553 0.4697 0.0302
0.75 246 -0.4324 0.4779 0.0402
0.75 258 0.6671 0.4655 0.051
0.85 114 -0.2747 0.6045 0.0345
0.85 138 -0.4896 0.5281 0.0427
0.85 162 -0.6374 0.6697 0.0496
0.85 222 -0.3676 0.5484 0.0377
0.85 234 1.4734 0.4831 0.096
0.85 246 -0.5123 0.4059 0.0437
0.85 258 0.1961 0.4137 0.0324
0.85 270 0.2353 0.5437 0.0333
0.95 102 0.6746 0.5985 0.0514
0.95 114 -1.04 0.5149 0.071
0.95 126 -1.552 0.4379 0.1007
0.95 234 -0.1305 0.4498 0.0311
0.95 246 -0.4748 0.4716 0.042
0.95 258 0.1466 0.4776 0.0313
0.95 270 0.8248 0.5127 0.0592