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Measurement E151M3076

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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 : 0.1715 GeV2
W : 1535 GeV
ε : 0.8214
Ebeam : 1.9889 GeV
εL: 0.1828 

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
0.25 66 0.3053 0.2455 0.0306
0.35 294 0.248 0.2753 0.0304
0.45 282 0.0484 0.2617 0.03
0.55 114 -0.1808 0.2767 0.0302
0.55 270 0.0685 0.2829 0.03
0.55 282 -0.2534 0.2381 0.0304
0.65 114 -0.0364 0.2027 0.03
0.65 126 -0.0887 0.269 0.0301
0.65 222 0.0225 0.1974 0.03
0.65 234 -0.4335 0.205 0.0312
0.65 246 -0.3328 0.2324 0.0307
0.65 294 -0.1816 0.233 0.0302
0.75 102 0.2901 0.2065 0.0306
0.75 114 0.1091 0.2124 0.0301
0.75 126 0.0465 0.2403 0.03
0.75 138 0.5482 0.2232 0.0319
0.75 210 -0.5346 0.2034 0.0318
0.75 222 -0.0338 0.2617 0.03
0.75 234 0.1508 0.2017 0.0302
0.75 246 -0.0227 0.1992 0.03
0.75 258 -0.2818 0.2077 0.0305
0.85 78 0.5456 0.2444 0.0319
0.85 90 0.2803 0.212 0.0305
0.85 114 0.0963 0.2739 0.0301
0.85 138 0.1479 0.2462 0.0301
0.85 210 -0.0139 0.2334 0.03
0.85 222 -0.0577 0.2048 0.03
0.85 234 -0.0264 0.1825 0.03
0.85 246 0.0215 0.2444 0.03
0.85 258 -0.315 0.1819 0.0307
0.95 90 0.1978 0.2472 0.0303
0.95 198 0.0907 0.2716 0.0301
0.95 222 0.1171 0.281 0.0301
0.95 246 -0.1522 0.2128 0.0302
0.95 258 -0.0295 0.2208 0.03
0.95 270 -0.0012 0.2156 0.03