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Measurement E151M207

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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 : 0.0707 GeV2
W : 1205 GeV
ε : 0.9333
Ebeam : 1.3383 GeV
εL: 0.5635 

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
0.55 270 0.1199 0.3635 0.0329
0.55 282 0.2696 0.2829 0.0402
0.65 258 -0.7354 0.3668 0.0535
0.65 270 0.2861 0.3146 0.0369
0.65 282 0.103 0.3265 0.0462
0.75 258 -0.1429 0.3603 0.0439
0.75 270 0.0768 0.3235 0.0471
0.85 126 -0.3536 0.5926 0.0368
0.85 138 -0.0248 0.6142 0.03
0.85 150 0.3627 0.8485 0.0371
0.85 162 0.141 0.6996 0.0312
0.85 186 -0.0523 0.6752 0.0302
0.85 270 -0.5519 0.4362 0.0448
0.95 126 0.4953 0.7448 0.0423
0.95 138 0.7324 0.6974 0.0533
0.95 150 -0.3623 0.4506 0.0371
0.95 162 1.0718 0.8413 0.0712
0.95 174 -0.2869 0.4446 0.0346
0.95 186 1.0705 0.8095 0.0711
0.95 210 -0.1737 0.4875 0.0318
0.75 282 1.1305 0.4235 0.0762
0.85 126 -0.0345 0.4458 0.0301
0.85 138 0.1871 0.4729 0.0322
0.85 150 -0.2338 0.4296 0.0333
0.85 162 0.7607 0.4366 0.0558
0.85 186 -0.8055 0.4023 0.0582
0.85 258 0.1721 0.4102 0.0318
0.95 126 -0.1252 0.3783 0.031
0.95 138 -0.1222 0.354 0.0309
0.95 162 0.1472 0.352 0.0314
0.95 174 0.0367 0.3743 0.0301
0.95 186 -0.1173 0.3898 0.0309
0.95 198 0.1604 0.3874 0.0316