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Measurement E151M516

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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 : 0.0348 GeV2
W : 1325 GeV
ε : 0.9567
Ebeam : 1.9889 GeV
εL: 0.1416 

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
0.25 306 -0.629 0.5575 0.0488
0.35 306 0.0511 0.5628 0.0302
0.45 78 -0.1953 0.5229 0.0323
0.45 90 -0.0433 0.5556 0.0301
0.45 282 -0.2767 0.5742 0.0344
0.45 294 -0.7798 0.5241 0.0563
0.55 78 0.2146 0.5142 0.0327
0.55 90 0.314 0.577 0.0356
0.55 102 0.2145 0.6733 0.0327
0.55 258 0.5791 0.671 0.0464
0.55 282 -0.0502 0.6057 0.0302
0.55 294 0.7986 0.6879 0.0573
0.65 78 -1.0523 0.4059 0.071
0.65 222 0.1384 0.6635 0.0312
0.65 234 -0.3643 0.5464 0.0374
0.65 246 0.0805 0.4471 0.0304
0.65 258 -0.6167 0.4369 0.0482
0.75 114 0.8372 0.6444 0.0593
0.75 126 0.5511 0.5448 0.0451
0.75 138 0.0954 0.5025 0.0306
0.75 234 -0.5415 0.3634 0.0447
0.75 246 -0.4073 0.3542 0.039
0.75 258 -0.3981 0.388 0.0386
0.75 270 0.0354 0.5969 0.0301
0.85 114 0.0229 0.6321 0.03
0.85 126 -0.2226 0.5084 0.0329
0.85 138 -1.1732 0.3621 0.0778
0.85 150 -0.8252 0.5455 0.0587
0.85 222 0.0829 0.5269 0.0304
0.85 234 -0.6153 0.4633 0.0481
0.85 246 -0.3903 0.4215 0.0383
0.85 258 0.6662 0.4439 0.0506