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Measurement E151M3597

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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 : 1745 GeV
ε : 0.8514
Ebeam : 2.999 GeV
εL: 0.1095 

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
0.55 102 0.2341 0.266 0.0304
0.55 114 -0.1599 0.2644 0.0302
0.55 126 -0.3127 0.2628 0.0306
0.65 114 -0.232 0.2484 0.0304
0.65 126 0.0233 0.2608 0.03
0.65 210 0.1348 0.2313 0.0301
0.65 222 -0.3475 0.2257 0.0308
0.65 294 -0.3022 0.2392 0.0306
0.75 78 -0.1192 0.2763 0.0301
0.75 90 0.3492 0.2562 0.0308
0.75 126 -0.5056 0.2233 0.0317
0.75 138 -0.183 0.2612 0.0302
0.75 198 -0.1346 0.2296 0.0301
0.75 210 -0.0512 0.2193 0.03
0.75 222 -0.0846 0.227 0.03
0.75 234 -0.408 0.2045 0.0311
0.75 246 -0.0308 0.2304 0.03
0.75 282 -0.0815 0.2548 0.03
0.85 78 0.2388 0.2263 0.0304
0.85 90 -0.0149 0.2024 0.03
0.85 102 -0.2855 0.203 0.0305
0.85 114 -0.0394 0.2533 0.03
0.85 174 0.3942 0.2348 0.031
0.85 186 0.1615 0.2014 0.0302
0.85 198 -0.043 0.1912 0.03
0.85 210 0.0087 0.2088 0.03
0.85 222 0.1532 0.1904 0.0302
0.85 234 -0.1253 0.1906 0.0301
0.85 246 0.3672 0.2259 0.0309
0.95 174 -0.0414 0.2679 0.03
0.95 186 0.0512 0.2592 0.03
0.95 198 0.1014 0.2104 0.0301
0.95 210 -0.1184 0.1901 0.0301
0.95 222 -0.1789 0.1947 0.0302
0.95 234 0.094 0.254 0.0301
0.95 246 -0.3114 0.2049 0.0306
0.95 258 0.1852 0.2519 0.0302