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Measurement E151M3354

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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 : 0.0593 GeV2
W : 1655 GeV
ε : 0.8345
Ebeam : 2.2596 GeV
εL: 0.0473 

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
0.45 270 0.3902 0.235 0.031
0.45 282 0.0237 0.1817 0.0303
0.65 78 -0.183 0.2507 0.0302
0.65 126 -0.1223 0.2236 0.0301
0.65 210 0.0031 0.2119 0.03
0.75 66 0.0144 0.2512 0.03
0.75 210 -0.0379 0.2459 0.03
0.75 222 -0.0095 0.2325 0.03
0.75 234 0.5341 0.2239 0.0318
0.75 270 0.2871 0.1853 0.0305
0.75 282 0.1879 0.2219 0.0302
0.75 294 -0.0183 0.255 0.03
0.85 102 0.3309 0.2207 0.0307
0.85 114 -0.0732 0.1907 0.03
0.85 198 -0.152 0.24 0.0302
0.85 210 0.2233 0.2018 0.0303
0.85 222 -0.0744 0.1861 0.03
0.55 126 0.0594 0.2331 0.03
0.55 270 0.305 0.2299 0.0306
0.65 198 0.1438 0.2611 0.0301
0.65 282 -0.1683 0.2401 0.0302
0.75 198 0.1255 0.2457 0.0301
0.75 210 0.2075 0.2258 0.0303
0.75 222 0.3673 0.219 0.0309
0.75 234 -0.1733 0.2385 0.0302
0.75 270 -0.0263 0.1935 0.03
0.75 282 -0.3182 0.2115 0.0307
0.85 102 0.079 0.2516 0.03
0.85 114 0.0697 0.2027 0.03
0.85 126 -0.0665 0.2291 0.03
0.85 198 0.1249 0.2217 0.0301
0.85 210 0.1889 0.242 0.0302
0.85 222 -0.2233 0.2554 0.0303
0.85 234 0.1264 0.2612 0.0301