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Measurement E151M2986

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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 : 0.2445 GeV2
W : 1355 GeV
ε : 0.8892
Ebeam : 1.9889 GeV
εL: 0.5316 

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 66 -0.3324 0.1995 0.0307
0.55 270 -0.2878 0.2701 0.0305
0.65 102 0.1491 0.2339 0.0301
0.65 270 0.1587 0.2522 0.0302
0.75 78 -0.4659 0.2419 0.0314
0.75 90 0.0615 0.2234 0.03
0.75 102 0.2337 0.1862 0.0304
0.75 114 -0.0501 0.2506 0.03
0.75 234 0.0326 0.2749 0.03
0.75 246 0.2111 0.2467 0.0303
0.75 258 0.0005 0.2194 0.03
0.75 270 -0.2006 0.207 0.0303
0.75 282 -0.2188 0.2246 0.0303
0.75 294 -0.2521 0.2287 0.0304
0.85 90 0.1096 0.1837 0.0301
0.85 102 -0.136 0.1796 0.0301
0.85 114 0.1661 0.2145 0.0302
0.85 126 -0.1831 0.2596 0.0302
0.85 138 0.1271 0.2443 0.0301
0.85 222 -0.0714 0.2623 0.03
0.85 234 0.0604 0.2284 0.03
0.85 246 -0.1673 0.2053 0.0302
0.85 258 -0.341 0.2196 0.0308
0.85 270 -0.0181 0.2499 0.03
0.85 282 -0.3549 0.1816 0.0308
0.85 294 -0.0601 0.1922 0.03
0.85 306 -0.358 0.2596 0.0308
0.95 102 0.2957 0.263 0.0306
0.95 114 -0.1725 0.2519 0.0302
0.95 126 0.0738 0.2431 0.03
0.95 246 0.1768 0.2565 0.0302
0.95 258 0.0197 0.1943 0.03
0.95 270 -0.5311 0.2282 0.0318
0.95 282 -0.0155 0.2245 0.03
0.95 294 0.3204 0.2517 0.0307