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Measurement E151M2020

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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 : 0.2445 GeV2
W : 1385 GeV
ε : 0.9078
Ebeam : 2.2596 GeV
εL: 0.4753 

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
0.65 90 -1.6859 1.3385 0.1578
0.65 102 -1.0065 1.3692 0.0972
0.75 90 -1.0251 1.3045 0.0989
0.75 102 1.1651 1.3896 0.1112
0.75 246 0.305 1.1653 0.0411
0.75 258 1.9178 1.0464 0.1788
0.75 282 -0.5555 1.0795 0.0592
0.85 102 -0.6028 1.596 0.063
0.85 114 0.4105 1.4971 0.0482
0.85 222 0.0814 1.3529 0.0309
0.85 246 1.7908 1.3252 0.1673
0.85 258 -0.022 1.1481 0.0301
0.85 270 0.0808 1.2894 0.0309
0.85 282 -0.342 1.1144 0.0434
0.85 294 -0.8486 1.0488 0.0836
0.95 246 -0.6305 3.7243 0.0652
0.95 282 -7.9673 2.7402 0.7328
0.95 294 -1.129 3.5375 0.108
0.55 102 -0.1963 0.7622 0.0326
0.65 102 0.2531 0.6468 0.0342
0.65 258 -0.9471 0.7357 0.0685
0.75 90 1.6623 0.5682 0.1122
0.75 102 -0.3894 0.6305 0.0393
0.75 114 -0.4166 0.7757 0.0404
0.75 246 -1.6568 0.5754 0.1119
0.75 258 0.8949 0.744 0.0655
0.75 270 0.6096 0.7575 0.0497
0.85 102 1.7166 0.636 0.1156
0.85 210 -0.2889 0.9255 0.0354
0.85 234 -1.4623 0.881 0.0997
0.85 246 0.7795 0.8329 0.0589
0.85 258 -0.106 0.7281 0.0308
0.85 270 -0.7737 0.7319 0.0586
0.85 282 -0.0173 0.6126 0.03
0.95 282 1.0785 1.0095 0.0763
0.95 294 1.1111 1.1079 0.0783
0.95 306 1.1565 1.0763 0.081