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Measurement E151M683

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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 : 0.0291 GeV2
W : 1655 GeV
ε : 0.7891
Ebeam : 1.9889 GeV
εL: 0.0227 

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
0.35 78 -0.1546 0.6157 0.0315
0.35 282 0.3503 0.7068 0.0369
0.45 18 0.842 0.7964 0.0596
0.45 258 0.5581 0.6356 0.0454
0.45 270 -1.6339 0.3966 0.1043
0.45 282 0.5587 0.7436 0.0455
0.55 78 0.5457 0.729 0.0449
0.55 126 -1.1859 0.4826 0.0785
0.55 210 1.2716 0.7215 0.0834
0.55 258 0.3994 0.6927 0.0387
0.55 270 -0.1284 0.5725 0.031
0.55 282 0.827 0.6995 0.0588
0.65 126 -0.1059 0.6662 0.0307
0.65 138 -0.6536 0.6045 0.05
0.65 150 0.1142 0.7645 0.0308
0.65 210 0.1773 0.6848 0.0319
0.65 222 1.143 0.739 0.0761
0.65 294 0.0292 0.7035 0.0301
0.75 66 0.065 0.7478 0.0303
0.75 126 -0.8241 0.589 0.0587
0.75 210 1.8722 0.7408 0.1184
0.75 222 2.2058 2.2058 0.1382
0.75 234 1.4609 0.6445 0.0943
0.75 258 0.7878 0.6571 0.0568
0.75 270 -0.7002 0.4435 0.0523
0.75 282 -0.8763 0.5032 0.0614
0.85 114 -0.2794 0.5446 0.0345
0.85 126 0.1286 0.5734 0.031
0.85 198 -0.2259 0.6888 0.033
0.85 210 -0.5657 0.4906 0.0458
0.85 222 0.6291 0.6618 0.0488
0.85 234 0.5302 0.682 0.0442
0.85 258 -0.0195 0.6583 0.03