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Measurement E151M3191

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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 : 0.205 GeV2
W : 1265 GeV
ε : 0.9462
Ebeam : 2.2596 GeV
εL: 0.7987 

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
0.55 282 -0.1694 0.2576 0.0302
0.65 282 0.0256 0.2131 0.03
0.75 90 -0.2018 0.2552 0.0303
0.75 102 -0.145 0.2618 0.0301
0.75 258 0.2923 0.2258 0.0306
0.75 270 -0.0261 0.2176 0.03
0.75 282 -0.0349 0.2049 0.03
0.75 294 0.1573 0.225 0.0302
0.85 78 -0.4609 0.1941 0.0314
0.85 90 0.0307 0.2346 0.03
0.85 102 0.4943 0.1829 0.0316
0.85 246 0.3247 0.2366 0.0307
0.85 258 -0.2008 0.2009 0.0303
0.85 282 0.0353 0.2302 0.03
0.85 294 -0.2351 0.2249 0.0304
0.95 78 0.0171 0.2371 0.03
0.95 90 0.6037 0.2233 0.0323
0.95 126 -0.1838 0.2233 0.0302
0.95 270 -0.2237 0.2379 0.0303
0.35 66 0.0106 0.2664 0.03
0.55 270 -0.0248 0.2421 0.03
0.55 282 0.5161 0.2148 0.0317
0.65 282 -0.4559 0.2384 0.0314
0.75 270 -0.0255 0.2383 0.03
0.75 282 0.1243 0.2463 0.0301
0.85 114 -0.1893 0.2581 0.0302
0.85 126 -0.0261 0.263 0.03
0.85 258 0.1897 0.2628 0.0302
0.85 270 -0.161 0.235 0.0302
0.85 282 0.5152 0.1974 0.0317
0.85 294 0.3027 0.2256 0.0306
0.95 114 0.2216 0.0301
0.95 138 -0.0454 0.2481 0.03