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Measurement E151M1724

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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 : 1295 GeV
ε : 0.9621
Ebeam : 1.9889 GeV
εL: 0.2004 

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 0.0037 0.5929 0.03
0.25 78 -0.8201 0.7453 0.058
0.25 294 0.396 0.5345 0.0384
0.25 306 -0.8204 0.5179 0.0581
0.25 318 -0.9327 0.565 0.064
0.35 66 -0.3242 0.4933 0.0359
0.35 78 0.5741 0.4925 0.0459
0.35 282 0.7782 0.6693 0.0559
0.35 294 0.2153 0.518 0.0327
0.35 306 -0.0412 0.4517 0.0301
0.45 66 -0.212 0.4589 0.0326
0.45 78 -0.8985 0.3556 0.0622
0.45 90 -0.1125 0.4897 0.0308
0.45 282 0.0914 0.4964 0.0305
0.45 294 -0.6863 0.4154 0.0513
0.45 306 0.3593 0.5517 0.0371
0.55 66 0.8851 0.4661 0.0615
0.55 78 0.4194 0.3889 0.0393
0.55 90 0.5634 0.3746 0.0454
0.55 258 0.3214 0.5409 0.0358
0.55 270 -0.7786 0.5576 0.0559
0.55 282 -0.6804 0.4606 0.051
0.55 294 -0.1781 0.585 0.0319
0.65 78 0.3269 0.4693 0.0359
0.65 90 0.4554 0.4533 0.0408
0.65 102 -0.1543 0.7001 0.0314
0.65 114 0.7009 0.6364 0.052
0.65 234 0.0419 0.4834 0.0301
0.65 246 -0.5131 0.4742 0.0432
0.65 258 0.2785 0.3532 0.0344
0.65 270 -0.2602 0.4061 0.0339
0.65 282 0.5004 0.6576 0.0427
0.75 90 -0.3519 0.6844 0.0368
0.75 102 -0.4067 0.7004 0.0388
0.75 114 -0.0631 0.4884 0.0302
0.75 126 0.1879 0.429 0.0321
0.75 138 0.0993 0.4393 0.0306
0.75 150 0.1271 0.5665 0.031
0.75 162 0.6382 0.6051 0.0489
0.75 222 -0.6409 0.4791 0.0491
0.75 234 0.2437 0.4186 0.0334
0.75 246 -0.3083 0.3126 0.0353
0.75 258 -0.1549 0.3315 0.0314
0.75 270 0.2969 0.4374 0.035
0.85 102 0.9787 0.6434 0.0665
0.85 114 0.6474 0.4427 0.0494
0.85 126 -0.0192 0.4136 0.03
0.85 138 0.661 0.4096 0.05
0.85 150 -0.4759 0.4374 0.0416
0.85 162 0.0086 0.5021 0.03
0.85 198 0.6243 0.6912 0.0483
0.85 210 0.0197 0.528 0.03
0.85 222 0.5826 0.3819 0.0463
0.85 234 -0.2275 0.3868 0.033
0.85 246 0.3772 0.3653 0.0377
0.85 258 0.3154 0.3468 0.0356
0.85 270 -0.2229 0.5288 0.0329
0.95 126 1.0372 0.585 0.0696
0.95 138 0.9108 0.5686 0.0628
0.95 150 0.4807 0.5948 0.0418
0.95 162 -0.5431 0.5729 0.0445
0.95 174 0.5759 0.6063 0.046
0.95 186 0.9568 0.5859 0.0653
0.95 222 0.6626 0.6065 0.0501
0.95 234 0.8677 0.5335 0.0605