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Measurement E151M2611

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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 : 0.0101 GeV2
W : 1445 GeV
ε : 0.6631
Ebeam : 1.0539 GeV
εL: 0.0159 

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 42 -0.0871 0.1636 0.0301
0.35 54 0.1918 0.1821 0.0302
0.45 30 -0.0773 0.2113 0.03
0.45 42 -0.1354 0.1889 0.0301
0.45 54 0.1731 0.1619 0.0302
0.45 66 0.2179 0.2243 0.0303
0.45 222 0.2705 0.21 0.0305
0.45 234 0.1707 0.2149 0.0302
0.45 246 0.015 0.2361 0.03
0.55 30 -0.2148 0.2136 0.0303
0.55 42 -0.3249 0.2063 0.0307
0.55 54 0.0028 0.1868 0.03
0.55 150 -0.0272 0.2261 0.03
0.55 162 -0.2553 0.2182 0.0304
0.55 210 -0.133 0.239 0.0301
0.55 222 0.1658 0.1901 0.0302
0.55 234 0.2163 0.1907 0.0303
0.55 246 0.2717 0.1964 0.0305
0.65 42 -0.4973 0.2152 0.0316
0.65 150 -0.0245 0.2274 0.03
0.65 162 0.0324 0.2029 0.03
0.65 174 -0.1624 0.2065 0.0302
0.65 210 -0.1441 0.2037 0.0301
0.65 222 -0.0263 0.1705 0.03
0.65 234 -0.076 0.1676 0.03
0.65 246 0.1592 0.1661 0.0302
0.65 258 0.0838 0.2385 0.03
0.75 222 -0.1975 0.1551 0.0303
0.75 234 0.2837 0.1604 0.0305
0.75 246 -0.2393 0.194 0.0304
0.75 258 -0.2107 0.2235 0.0303
0.85 210 0.2284 0.2405 0.0303
0.85 222 -0.2427 0.2159 0.0304
0.85 234 0.0807 0.1832 0.03
0.85 246 -0.3309 0.1849 0.0307