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Measurement E151M2636

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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 : 0.0348 GeV2
W : 1475 GeV
ε : 0.5694
Ebeam : 1.0539 GeV
εL: 0.0395 

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 42 -0.036 0.2268 0.03
0.25 54 0.0305 0.1877 0.03
0.35 42 0.1031 0.2098 0.0301
0.35 54 0.3409 0.1896 0.0308
0.35 66 -0.267 0.2316 0.0305
0.45 30 -0.0543 0.254 0.03
0.45 42 -0.1378 0.1894 0.0301
0.45 54 0.1599 0.1834 0.0302
0.45 66 0.1581 0.2441 0.0302
0.45 234 -0.3004 0.2104 0.0306
0.45 246 0.5061 0.1835 0.0317
0.45 258 0.0158 0.245 0.03
0.55 42 0.1626 0.2156 0.0302
0.55 54 -0.0026 0.2035 0.03
0.55 162 -0.444 0.2392 0.0313
0.55 174 -0.1192 0.192 0.0301
0.55 198 -0.0472 0.2639 0.03
0.55 222 0.0512 0.2094 0.03
0.55 234 -0.057 0.1794 0.03
0.55 246 -0.4766 0.1509 0.0315
0.55 258 -0.0501 0.2056 0.03
0.65 162 -0.0056 0.2145 0.03
0.65 174 0.0216 0.2334 0.03
0.65 222 0.1998 0.1897 0.0303
0.65 234 -0.2143 0.1892 0.0303
0.65 246 -0.1767 0.1766 0.0302
0.65 258 -0.0529 0.1623 0.03
0.75 174 0.0048 0.2235 0.03
0.75 186 -0.2735 0.2241 0.0305
0.75 222 -0.3266 0.2205 0.0307
0.75 234 0.1804 0.1753 0.0302
0.75 246 -0.107 0.1728 0.0301
0.75 258 -0.1001 0.1892 0.0301
0.75 270 -0.231 0.2355 0.0304
0.85 222 -0.0975 0.2434 0.0301
0.85 234 0.0536 0.1748 0.03
0.85 246 -0.0654 0.1734 0.03
0.85 258 -0.2839 0.181 0.0305