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Measurement E151M1908

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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 : 0.0496 GeV2
W : 1655 GeV
ε : 0.78
Ebeam : 1.9889 GeV
εL: 0.0374 

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
0.35 78 0.804 0.8295 0.0572
0.35 90 -0.1699 0.8591 0.0317
0.35 270 0.1627 0.8108 0.0316
0.45 78 0.6354 0.6784 0.0488
0.45 90 -0.9043 0.8959 0.0625
0.45 138 -0.0573 0.8745 0.0302
0.45 258 0.3484 0.8136 0.0367
0.45 270 -0.7103 0.568 0.0525
0.45 282 0.7124 0.7191 0.0526
0.55 114 -1.0405 0.8053 0.0698
0.55 126 0.043 0.8904 0.0301
0.55 138 0.5679 0.7937 0.0457
0.55 210 -0.5295 0.836 0.0439
0.55 258 -0.6549 0.6856 0.0497
0.55 270 -0.2192 0.6094 0.0328
0.55 282 -0.4549 0.7516 0.0407
0.65 138 -0.2551 0.7403 0.0337
0.65 150 -0.45 0.8202 0.0405
0.65 210 -1.6752 0.5562 0.1059
0.65 222 -0.7748 0.667 0.0557
0.65 234 -0.1481 0.7786 0.0313
0.65 282 0.0393 0.8065 0.0301
0.65 294 0.0586 0.7672 0.0302
0.75 66 0.089 0.6963 0.0305
0.75 78 0.0538 0.7516 0.0302
0.75 138 -0.345 0.8688 0.0366
0.75 198 -0.6698 0.6416 0.0505
0.75 210 -0.8566 0.6005 0.06
0.75 222 -0.5172 0.5371 0.0434
0.75 234 -0.6083 0.7481 0.0475
0.75 258 -0.9261 0.706 0.0636
0.75 270 -0.5448 0.5871 0.0446
0.75 282 0.1694 0.5232 0.0317
0.75 294 -0.5788 0.669 0.0462
0.85 102 0.5159 0.7346 0.0433
0.85 114 0.0303 0.6818 0.0301
0.85 126 -0.6632 0.6992 0.0502
0.85 198 -0.7066 0.6911 0.0523
0.85 210 -0.7639 0.7379 0.0552
0.85 222 -0.6974 0.5745 0.0518
0.85 234 0.8016 0.6264 0.0571
0.85 246 -0.9627 0.6828 0.0656
0.95 222 -0.7455 0.7128 0.0542