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Measurement E151M632

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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 : 0.1715 GeV2
W : 1535 GeV
ε : 0.8214
Ebeam : 1.9889 GeV
εL: 0.1828 

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 Stat. error Syst. error
0.25 66 1.0333 0.7861 0.07
0.35 294 0.5647 0.8084 0.0458
0.45 282 1.2264 0.7777 0.0808
0.55 114 -1.0072 0.6794 0.0685
0.55 270 -0.2415 0.7396 0.0334
0.55 282 -0.0911 0.6435 0.0305
0.65 114 0.0556 0.5863 0.0302
0.65 126 -0.6599 0.7059 0.0503
0.65 222 0.6739 0.579 0.051
0.65 234 0.1146 0.6184 0.0308
0.65 246 -0.5835 0.6272 0.0466
0.65 294 -0.5502 0.5933 0.0451
0.75 102 -0.6296 0.5749 0.0488
0.75 114 1.0582 0.657 0.0713
0.75 126 -0.2773 0.6609 0.0345
0.75 138 -0.3352 0.6735 0.0363
0.75 210 1.7713 0.7407 0.1124
0.75 222 1.2032 0.7892 0.0795
0.75 234 1.599 0.6077 0.1023
0.75 246 0.8127 0.5767 0.0581
0.75 258 0.3415 0.6188 0.0366
0.85 78 -0.621 0.7027 0.0484
0.85 90 1.2488 0.6597 0.0821
0.85 114 -0.0096 0.7669 0.03
0.85 138 -1.6475 0.4845 0.1051
0.85 210 0.6508 0.6725 0.0498
0.85 222 1.5846 0.5968 0.1015
0.85 234 1.4061 0.5348 0.0911
0.85 246 0.1771 0.6602 0.0319
0.85 258 0.3253 0.526 0.036
0.95 90 -0.2246 0.6037 0.033
0.95 198 0.4545 0.7298 0.0409
0.95 222 0.8012 0.7581 0.0575
0.95 246 0.8599 0.5578 0.0605
0.95 258 -0.7794 0.4523 0.0563
0.95 270 -0.0481 0.5071 0.0301