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Measurement E151M2001

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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 : 0.0844 GeV2
W : 1355 GeV
ε : 0.9514
Ebeam : 2.2596 GeV
εL: 0.2616 

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
0.15 306 0.0203 0.4864 0.0686
0.25 66 -0.5229 0.4918 0.0709
0.25 78 0.3276 0.7024 0.0368
0.25 294 0.1065 0.4407 0.05
0.25 306 -0.8139 0.458 0.0647
0.35 66 -0.7783 0.3654 0.0852
0.35 78 0.7156 0.4003 0.0714
0.35 282 -0.0564 0.5061 0.043
0.35 294 0.0781 0.4229 0.0514
0.35 306 0.4318 0.5159 0.0448
0.45 66 -0.8173 0.3435 0.0623
0.45 78 0.3957 0.3648 0.0618
0.45 90 0.0049 0.572 0.03
0.45 282 0.117 0.4664 0.0389
0.45 294 -0.4635 0.3959 0.0438
0.55 66 0.0936 0.6074 0.0306
0.55 78 0.3908 0.4845 0.0393
0.55 90 0.8467 0.4618 0.0627
0.55 102 -0.6681 0.6642 0.0528
0.55 270 -0.3226 0.6111 0.0366
0.55 282 0.3849 0.4719 0.0391
0.55 294 -0.9968 0.5482 0.0714
0.65 66 0.3615 0.5841 0.0381
0.65 78 0.1425 0.5618 0.0314
0.65 90 0.2406 0.6549 0.0338
0.65 102 0.295 0.5416 0.0356
0.65 114 0.046 0.5175 0.0301
0.65 126 -1.9239 0.632 0.1287
0.65 234 -0.1443 0.6943 0.0314
0.65 246 0.4745 0.493 0.043
0.65 258 -0.4026 0.4664 0.0398
0.65 270 -0.0702 0.4971 0.0303
0.65 282 -0.7728 0.5405 0.0585
0.75 90 0.447 0.5543 0.0418
0.75 102 0.1231 0.5016 0.0311
0.75 114 -0.5813 0.4485 0.0483
0.75 126 0.2042 0.5678 0.0328
0.75 138 0.6965 0.6023 0.0543
0.75 222 0.2427 0.7018 0.0339
0.75 234 0.6713 0.5158 0.053
0.75 246 -0.3252 0.4835 0.0367
0.75 258 0.3691 0.4117 0.0384
0.75 270 0.6601 0.4444 0.0524
0.75 282 -0.2036 0.7287 0.0328
0.85 90 0.2615 0.8062 0.0345
0.85 102 0.9312 0.5992 0.0676
0.85 114 0.6851 0.4972 0.0537
0.85 126 -0.1503 0.5478 0.0316
0.85 138 0.2041 0.5245 0.0328
0.85 150 0.9986 0.7068 0.0716
0.85 162 0.0595 0.6668 0.0302
0.85 210 0.5759 0.8563 0.048
0.85 222 -0.3864 0.5989 0.0391
0.85 234 0.0478 0.6248 0.0302
0.85 246 -0.1687 0.5296 0.0319
0.85 258 -0.0308 0.4827 0.0301
0.85 270 0.2346 0.4317 0.0337
0.85 282 0.2453 0.5249 0.034
0.95 114 -0.8442 1.2605 0.0626
0.95 126 -0.7255 1.0258 0.0559
0.95 138 2.3428 1.0836 0.1553
0.95 198 1.3484 1.4272 0.0927
0.95 210 1.4546 1.2082 0.0993
0.95 222 -0.5131 1.4146 0.0449
0.95 234 1.3377 0.8988 0.092
0.95 246 -0.6578 1.0007 0.0523
0.95 258 -1.3666 0.8201 0.0938
0.95 270 0.6223 0.8489 0.0504
0.45 306 2.5023 0.9951 0.2319
0.55 66 1.0327 1.1036 0.0995
0.55 78 0.6091 1.0613 0.0635
0.55 90 0.9941 1.428 0.0962
0.55 270 -0.3521 1.0363 0.0441
0.55 282 -0.0364 0.9137 0.0302
0.55 294 -0.1697 1.0674 0.0338
0.65 66 -2.4963 1.2017 0.2314
0.65 78 -1.972 1.1828 0.1837
0.65 90 -0.6327 1.3512 0.0654
0.65 102 1.5167 1.2674 0.1426
0.65 114 -1.2953 1.2529 0.1228
0.65 126 -1.8388 1.2148 0.1716
0.65 234 -2.1786 1.1525 0.2025
0.65 246 0.3903 1.049 0.0468
0.65 258 0.3982 0.936 0.0473
0.65 270 -0.8728 0.923 0.0856
0.65 282 -0.5552 1.0961 0.0592
0.75 90 -0.1749 1.447 0.034
0.75 102 -1.0182 1.1339 0.0983
0.75 114 0.3725 1.0282 0.0455
0.75 126 0.4452 1.2129 0.0507
0.75 138 -0.7796 1.2158 0.0777
0.75 150 0.1742 1.6041 0.034
0.75 222 0.6166 1.137 0.0641
0.75 234 -1.3766 1.0618 0.13
0.75 246 -0.4148 0.9117 0.0485
0.75 258 0.3855 0.7503 0.0464
0.75 270 1.025 0.9811 0.0989
0.75 282 3.1178 1.0043 0.2881
0.85 102 -0.9286 1.3335 0.0905
0.85 114 -1.1997 1.0959 0.1143
0.85 126 1.5952 1.1707 0.1496
0.85 138 0.3166 1.3495 0.0418
0.85 150 1.3053 1.4082 0.1237
0.85 210 1.6472 1.4028 0.1543
0.85 222 -1.145 1.2957 0.1094
0.85 234 -0.3268 0.9648 0.0424
0.85 246 0.5357 0.8676 0.0577
0.85 258 1.4229 0.8931 0.1342
0.85 270 0.2 0.9382 0.0352
0.85 282 -0.447 1.0234 0.0509
0.95 126 5.2634 4.2521 0.4846
0.95 138 5.11 0.9368 0.2052
0.95 174 -0.4785 5.2904 0.0532
0.95 222 5.2628 3.6482 0.4846
0.95 234 4.9454 4.1862 0.4555
0.95 246 5.9977 3.7341 0.552
0.95 258 -5.1002 3.3786 0.4697
0.95 270 5.4114 4.1514 0.4982