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Measurement E151M1753

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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 : 0.0348 GeV2
W : 1355 GeV
ε : 0.9487
Ebeam : 1.9889 GeV
εL: 0.1185 

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
0.25 66 0.3547 0.7704 0.0369
0.25 306 -0.1029 0.7497 0.0306
0.35 66 -0.6558 0.7008 0.0498
0.35 78 0.6557 0.6537 0.0498
0.35 294 -0.7138 0.611 0.0526
0.35 306 -0.0703 0.6675 0.0303
0.45 66 -0.4202 0.739 0.0393
0.45 78 0.4522 0.6338 0.0406
0.45 90 -0.0284 0.6314 0.03
0.45 270 0.4223 0.7085 0.0394
0.45 282 -0.1051 0.6994 0.0307
0.45 294 0.9754 0.5348 0.0663
0.45 306 -0.0063 0.6207 0.03
0.55 78 0.2914 0.5262 0.0348
0.55 90 0.0303 0.5495 0.0301
0.55 246 -0.9866 0.7561 0.0669
0.55 258 0.2265 0.7642 0.033
0.55 270 1.1414 0.6447 0.0754
0.55 282 -1.1344 0.6823 0.075
0.55 294 0.1513 0.59 0.0314
0.65 78 0.0535 0.5764 0.0302
0.65 90 -1.0185 0.6168 0.0686
0.65 114 -0.4063 0.7158 0.0388
0.65 126 0.1173 0.7076 0.0308
0.65 138 0.3721 0.6802 0.0375
0.65 222 -1.0863 0.6174 0.0723
0.65 234 0.1195 0.5866 0.0309
0.65 246 0.0404 0.5654 0.0301
0.65 258 0.631 0.5897 0.0486
0.65 282 -1.34 0.6144 0.0866
0.75 102 0.9181 0.7721 0.0632
0.75 114 1.0467 0.5229 0.0702
0.75 126 -0.1741 0.6473 0.0318
0.75 138 0.2819 0.5184 0.0345
0.75 150 0.5699 0.7086 0.0457
0.75 162 -0.4868 0.7418 0.0421
0.75 222 0.5796 0.5259 0.0462
0.75 234 0.2375 0.5193 0.0333
0.75 246 0.6385 0.3859 0.049
0.75 258 -0.1684 0.4949 0.0317
0.85 114 0.7953 0.7232 0.0568
0.85 126 -1.2246 0.5914 0.08
0.85 138 -0.637 0.5795 0.0489
0.85 150 -0.1041 0.6818 0.0307
0.85 162 0.8982 0.7475 0.0621
0.85 210 -0.9137 0.6725 0.063
0.85 222 -0.1377 0.5526 0.0311
0.85 234 0.0481 0.4551 0.0301
0.85 246 0.0509 0.3934 0.0302
0.85 258 -0.3151 0.4908 0.0356
0.95 246 0.38 0.6567 0.0378