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Measurement E151M1982

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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 : 1295 GeV
ε : 0.9321
Ebeam : 2.2596 GeV
εL: 0.7404 

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
0.65 270 2.1283 1.5413 0.1979
0.75 90 -1.9529 1.8898 0.182
0.75 102 -1.5576 1.6519 0.1463
0.75 270 0.6176 1.6449 0.0642
0.75 294 0.626 1.4925 0.0649
0.85 90 -1.5481 2.1205 0.1454
0.85 102 3.2595 2.1035 0.3011
0.85 114 0.9954 1.9616 0.0963
0.85 270 -2.3963 1.8688 0.2223
0.85 282 0.2443 1.8661 0.0375
0.95 90 0.318 5.1446 0.0419
0.95 282 1.8275 5.3734 0.1706
0.95 306 -0.1169 5.061 0.0319
0.55 270 -0.5237 0.6008 0.0454
0.65 282 0.6865 0.5601 0.0538
0.75 90 0.2925 0.526 0.0355
0.75 102 -0.5375 0.5289 0.0461
0.75 246 0.027 0.6896 0.0301
0.75 270 -0.2369 0.5814 0.0337
0.75 282 0.1755 0.5341 0.0321
0.75 294 0.2414 0.5727 0.0339
0.85 78 0.3534 0.5849 0.0378
0.85 90 -0.624 0.6031 0.0505
0.85 102 -0.7454 0.5809 0.057
0.85 114 0.533 0.6485 0.0458
0.85 246 -0.0758 0.7073 0.0304
0.85 258 0.1991 0.5772 0.0327
0.85 270 0.9863 0.4694 0.0708
0.85 282 0.1696 0.5228 0.032
0.85 294 -0.0377 0.4973 0.0301
0.85 306 0.559 0.6164 0.0471
0.95 78 -0.0374 1.0297 0.0301
0.95 114 2.3187 0.9538 0.1538
0.95 126 -0.2607 1.0254 0.0345
0.95 306 0.5369 0.9883 0.046