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Measurement E151M2651

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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: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0707 GeV2
W : 1205 GeV
ε : 0.9333
Ebeam : 1.3383 GeV
εL: 0.5635 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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 		ALU Stat. error Syst. error
0.55 270 -0.3827 0.2086 0.0312
0.55 282 -0.2142 0.1709 0.0307
0.65 258 -0.5323 0.2934 0.0318
0.65 270 -0.2126 0.1745 0.0305
0.65 282 0.3277 0.1597 0.0318
0.75 258 0.249 0.1449 0.0327
0.75 270 -0.2625 0.1739 0.0307
0.85 126 -0.4394 0.3063 0.0313
0.85 138 0.0767 0.3521 0.03
0.85 150 -0.459 0.294 0.0314
0.85 162 0.1975 0.3678 0.0303
0.85 186 0.3716 0.3959 0.0309
0.85 270 -0.178 0.3629 0.0302
0.95 126 -0.2992 0.4072 0.0306
0.95 138 -0.1694 0.355 0.0302
0.95 150 0.2498 0.3541 0.0304
0.95 162 0.1637 0.3613 0.0302
0.95 174 0.6101 0.2876 0.0324
0.95 186 -0.4129 0.3086 0.0311
0.95 210 0.2079 0.3697 0.0303
0.75 282 0.3403 0.2877 0.0308
0.85 126 0.0405 0.2611 0.03
0.85 138 -0.2373 0.2777 0.0304
0.85 150 -0.1917 0.2502 0.0302
0.85 162 -0.0286 0.2716 0.03
0.85 186 0.104 0.2622 0.0301
0.85 258 -0.0658 0.2539 0.03
0.95 126 -0.2234 0.2486 0.0303
0.95 138 0.2334 0.2328 0.0304
0.95 162 0.6025 0.2089 0.0323
0.95 174 -0.0759 0.2519 0.03
0.95 186 0.1968 0.2633 0.0303
0.95 198 -0.1033 0.2627 0.0301