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Measurement E151M3102

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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 : 0.0707 GeV2
W : 1595 GeV
ε : 0.8195
Ebeam : 1.9889 GeV
εL: 0.0679 

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
0.35 270 0.1959 0.248 0.0303
0.35 282 -0.1141 0.2424 0.0301
0.45 78 0.1325 0.2551 0.0301
0.45 126 -0.0926 0.2776 0.0301
0.45 270 0.0687 0.2142 0.03
0.45 282 0.4323 0.2484 0.0312
0.55 114 0.0436 0.2644 0.03
0.55 126 -0.2825 0.2342 0.0305
0.55 210 -0.1436 0.2735 0.0301
0.55 258 0.1022 0.2775 0.0301
0.55 270 -0.1847 0.2526 0.0302
0.55 282 -0.3842 0.2246 0.031
0.65 114 0.3173 0.2144 0.0307
0.65 126 0.0165 0.2355 0.03
0.65 138 -0.1996 0.2083 0.0303
0.65 210 0.19 0.2353 0.0302
0.65 234 -0.4248 0.2155 0.0312
0.65 282 0.197 0.2442 0.0303
0.65 294 -0.0372 0.2438 0.03
0.75 66 -0.0072 0.2703 0.03
0.75 126 -0.1096 0.254 0.0301
0.75 138 0.1283 0.2133 0.0301
0.75 198 0.0468 0.2412 0.03
0.75 210 -0.3599 0.2603 0.0309
0.75 222 -0.2134 0.2174 0.0303
0.75 234 0.1248 0.2203 0.0301
0.75 246 0.5057 0.2092 0.0317
0.75 270 0.1636 0.2324 0.0302
0.75 282 -0.1128 0.2248 0.0301
0.75 294 -0.2541 0.204 0.0304
0.85 102 0.1342 0.2198 0.0301
0.85 114 -0.0837 0.2615 0.03
0.85 126 0.0725 0.2806 0.03
0.85 198 0.2065 0.2527 0.0303
0.85 210 0.1035 0.2125 0.0301
0.85 222 -0.0387 0.2009 0.03
0.85 234 -0.2469 0.2022 0.0304
0.85 246 -0.1783 0.2358 0.0302
0.95 234 0.1122 0.267 0.0301
0.95 246 -0.3176 0.2586 0.0307