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Measurement E151M3066

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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 : 0.0291 GeV2
W : 1535 GeV
ε : 0.875
Ebeam : 1.9889 GeV
εL: 0.0397 

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
0.35 78 0.1031 0.2362 0.0301
0.35 282 -0.0631 0.2208 0.03
0.45 66 -0.0384 0.2948 0.03
0.45 78 0.3375 0.2051 0.0308
0.45 90 -0.0315 0.2373 0.03
0.45 126 -0.0549 0.2582 0.03
0.45 270 0.2274 0.223 0.0303
0.45 282 -0.0554 0.282 0.03
0.55 78 -0.1509 0.2394 0.0302
0.55 90 -0.0904 0.2608 0.0301
0.55 114 0.0669 0.232 0.03
0.55 126 0.2267 0.258 0.0303
0.55 222 -0.0452 0.2422 0.03
0.55 270 0.5188 0.1704 0.0317
0.55 282 -0.1797 0.2533 0.0302
0.65 114 0.4529 0.2202 0.0313
0.65 126 -0.1165 0.22 0.0301
0.65 138 -0.2261 0.2236 0.0303
0.65 150 0.4286 0.2234 0.0312
0.65 198 -0.2931 0.236 0.0306
0.65 210 0.3523 0.2449 0.0308
0.65 222 0.174 0.2279 0.0302
0.75 126 -0.881 0.1693 0.0348
0.75 138 0.2146 0.2533 0.0303
0.75 150 0.3219 0.2677 0.0307
0.75 210 0.3313 0.2384 0.0307
0.75 222 -0.2685 0.2172 0.0305
0.75 234 -0.0749 0.2066 0.03
0.75 270 0.074 0.2972 0.03
0.75 282 0.1669 0.2589 0.0302
0.85 198 -0.1223 0.2802 0.0301
0.85 210 0.0198 0.2494 0.03
0.85 222 -0.008 0.2151 0.03
0.85 234 -0.1816 0.2087 0.0302
0.85 246 0.0438 0.2818 0.03