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Measurement E151M2748

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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 : 0.1435 GeV2
W : 1355 GeV
ε : 0.7997
Ebeam : 1.3383 GeV
εL: 0.3345 

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
0.55 258 0.0626 0.2162 0.0301
0.55 270 -0.0632 0.2163 0.0304
0.65 126 0.2426 0.204 0.0306
0.65 234 0.3803 0.2338 0.0309
0.65 246 -0.0466 0.1771 0.0301
0.65 258 -0.4786 0.1231 0.0325
0.65 270 -0.3677 0.1611 0.0318
0.75 102 0.1 0.2422 0.0301
0.75 114 -0.0127 0.1862 0.03
0.75 126 0.5187 0.13 0.0324
0.75 138 -0.1902 0.1979 0.0304
0.75 222 0.2698 0.2516 0.0305
0.75 234 0.0468 0.1706 0.03
0.75 246 -0.1581 0.1853 0.0304
0.75 258 0.0322 0.1726 0.0301
0.75 270 -0.374 0.1847 0.0309
0.75 282 0.0245 0.2075 0.0301
0.85 102 0.462 0.1915 0.0314
0.85 114 -0.2676 0.1763 0.0308
0.85 126 -0.015 0.1754 0.0302
0.85 138 -0.1225 0.1694 0.0307
0.85 150 0.0125 0.1969 0.0301
0.85 162 -0.35 0.3693 0.0308
0.85 234 -0.002 0.1948 0.0301
0.85 246 0.0009 0.1871 0.0305
0.85 258 -0.2228 0.1899 0.0303
0.85 270 -0.1627 0.17 0.0303
0.85 282 -0.1098 0.1411 0.0301
0.85 294 0.1651 0.1791 0.0303
0.95 78 -0.0805 0.2087 0.0301
0.95 90 0.0941 0.216 0.0303
0.95 102 0.0946 0.2659 0.0301
0.95 126 0.3276 0.4119 0.0307
0.95 138 0.0656 0.2631 0.03
0.95 150 0.039 0.2521 0.03
0.95 174 -0.2921 0.2842 0.0306
0.95 234 -0.0396 0.2251 0.0301
0.95 246 0.1883 0.2717 0.0302
0.95 258 -0.5184 0.1479 0.0322
0.95 270 -0.0285 0.2118 0.0301
0.95 282 0.185 0.2086 0.0303
0.95 294 0.0087 0.1889 0.031