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Measurement E151M3420

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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 : 0.496 GeV2
W : 1295 GeV
ε : 0.9334
Ebeam : 2.999 GeV
εL: 0.9758 

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
0.45 282 0.353 0.2387 0.0308
0.55 66 -0.0981 0.2876 0.0301
0.55 78 0.2888 0.2386 0.0306
0.55 90 0.1775 0.2439 0.0302
0.55 270 -0.2417 0.2733 0.0304
0.55 294 0.0863 0.2746 0.03
0.65 66 0.2286 0.241 0.0303
0.65 78 -0.1621 0.2317 0.0302
0.65 90 0.1059 0.2216 0.0301
0.65 102 -0.2324 0.2304 0.0304
0.65 270 -0.0361 0.2526 0.03
0.65 282 0.0633 0.2177 0.03
0.65 294 0.05 0.2369 0.03
0.65 306 0.3138 0.2392 0.0306
0.75 66 0.4437 0.2147 0.0313
0.75 78 0.2787 0.2155 0.0305
0.75 90 -0.0132 0.2189 0.03
0.75 102 -0.3823 0.2619 0.031
0.75 258 -0.0298 0.2711 0.03
0.75 270 0.0418 0.2266 0.03
0.75 282 -0.3612 0.2178 0.0309
0.75 294 -0.2158 0.2236 0.0303
0.75 306 0.1661 0.2158 0.0302
0.75 318 -0.1266 0.2479 0.0301
0.85 54 0.475 0.2198 0.0315
0.85 66 -0.3176 0.1989 0.0307
0.85 78 -0.0934 0.218 0.0301
0.85 90 -0.016 0.2338 0.03
0.85 102 -0.1078 0.2382 0.0301
0.85 114 0.1423 0.2627 0.0301
0.85 246 0.0463 0.2654 0.03
0.85 258 0.3251 0.1908 0.0307
0.85 270 0.2388 0.1867 0.0304
0.85 282 -0.0703 0.2113 0.03
0.85 294 -0.0016 0.2304 0.03
0.85 306 -0.0082 0.2276 0.03
0.85 318 -0.002 0.2461 0.03
0.85 330 0.0753 0.253 0.03
0.95 78 0.2725 0.243 0.0305
0.95 258 0.1379 0.2559 0.0301
0.95 306 0.1156 0.2187 0.0301