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Measurement E151M2560

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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 : 0.0496 GeV2
W : 1355 GeV
ε : 0.7603
Ebeam : 1.0539 GeV
εL: 0.1314 

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
0.15 42 -0.1153 0.2592 0.0301
0.25 42 -0.108 0.2243 0.0301
0.35 30 -0.1011 0.2308 0.0301
0.35 42 -0.1173 0.2016 0.0301
0.45 42 0.336 0.181 0.0307
0.55 234 0.2269 0.2099 0.0303
0.55 246 -0.1176 0.1912 0.0301
0.55 258 -0.0922 0.1658 0.0301
0.55 270 -0.0576 0.2559 0.03
0.65 138 -0.1483 0.2165 0.0301
0.65 150 0.3131 0.2247 0.0306
0.65 222 0.0153 0.2026 0.03
0.65 234 0.2461 0.1491 0.0304
0.65 246 0.0392 0.1576 0.03
0.65 258 0.0584 0.1423 0.03
0.65 270 -0.0178 0.1662 0.03
0.75 126 -0.0831 0.2509 0.03
0.75 138 -0.0096 0.1894 0.03
0.75 150 -0.0194 0.1692 0.03
0.75 162 -0.2564 0.1998 0.0304
0.75 174 0.342 0.231 0.0308
0.75 222 -0.0548 0.2028 0.03
0.75 234 0.0206 0.164 0.03
0.75 246 -0.0949 0.1343 0.0301
0.75 258 -0.0573 0.1424 0.03
0.75 270 -0.1653 0.1828 0.0302
0.85 138 0.0588 0.1883 0.03
0.85 150 0.4357 0.2094 0.0312
0.85 162 0.3553 0.1942 0.0308
0.85 174 0.6363 0.1667 0.0326
0.85 186 0.0034 0.2346 0.03
0.85 222 -0.2163 0.1958 0.0303
0.85 234 -0.15 0.1909 0.0301
0.85 246 -0.0471 0.1446 0.03
0.85 258 -0.08 0.1423 0.03
0.85 270 -0.0279 0.1521 0.03
0.85 282 -0.2085 0.2275 0.0303
0.95 114 0.4753 0.2215 0.0315
0.95 126 0.037 0.2092 0.03
0.95 246 0.2292 0.2348 0.0303
0.95 258 0.1677 0.1846 0.0302