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Measurement E151M3088

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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 : 0.101 GeV2
W : 1565 GeV
ε : 0.8288
Ebeam : 1.9889 GeV
εL: 0.1057 

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
0.35 294 0.0286 0.281 0.03
0.45 78 -0.1653 0.237 0.0302
0.45 126 -0.4689 0.223 0.0314
0.45 282 0.1199 0.2518 0.0301
0.55 114 0.3606 0.2542 0.0309
0.55 126 0.093 0.237 0.0301
0.55 270 -0.0123 0.2761 0.03
0.55 282 -0.56 0.1902 0.032
0.65 102 -0.0508 0.276 0.03
0.65 114 -0.0181 0.22 0.03
0.65 126 0.0296 0.2059 0.03
0.65 138 -0.0289 0.2594 0.03
0.65 198 -0.2934 0.2733 0.0306
0.65 222 0.0483 0.2082 0.03
0.65 234 -0.2448 0.1976 0.0304
0.65 294 -0.0665 0.2409 0.03
0.75 114 0.3344 0.2229 0.0307
0.75 126 0.0828 0.2146 0.03
0.75 138 -0.2506 0.2199 0.0304
0.75 150 0.0098 0.2505 0.03
0.75 210 0.0348 0.2358 0.03
0.75 222 -0.1526 0.2009 0.0302
0.75 234 0.0937 0.185 0.0301
0.75 246 -0.173 0.2262 0.0302
0.75 282 0.3058 0.1926 0.0306
0.75 294 -0.351 0.2241 0.0308
0.85 90 0.1756 0.2511 0.0302
0.85 114 -0.1266 0.2457 0.0301
0.85 126 -0.0614 0.2682 0.03
0.85 210 -0.5415 0.2115 0.0319
0.85 222 0.0158 0.2049 0.03
0.85 234 -0.0243 0.1991 0.03
0.85 246 -0.0626 0.22 0.03
0.95 114 -0.307 0.2555 0.0306
0.95 222 -0.1903 0.2255 0.0302
0.95 234 -0.2272 0.2451 0.0303