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Measurement E151M3204

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.7404
Q2: 0.2445 GeV2
W: 1295.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9321

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 270.0 0.1903 0.2494 0.0302
0.75 90.0 -0.0756 0.2492 0.03
0.75 102.0 -0.2708 0.2079 0.0305
0.75 270.0 0.064 0.2564 0.03
0.75 294.0 -0.4058 0.2136 0.0311
0.85 90.0 -0.1336 0.2396 0.0301
0.85 102.0 -0.2375 0.2426 0.0304
0.85 114.0 0.3067 0.2088 0.0306
0.85 270.0 -0.0927 0.257 0.0301
0.85 282.0 0.1394 0.2556 0.0301
0.95 90.0 -0.2123 0.2148 0.0303
0.95 282.0 -0.2515 0.2531 0.0304
0.95 306.0 -0.9402 0.1519 0.0354
0.55 270.0 -0.0178 0.2628 0.03
0.65 282.0 -0.0562 0.2553 0.03
0.75 90.0 0.0273 0.2197 0.03
0.75 102.0 -0.0185 0.2112 0.03
0.75 246.0 -0.0164 0.255 0.03
0.75 270.0 -0.0581 0.2348 0.03
0.75 282.0 0.1399 0.2261 0.0301
0.75 294.0 0.0572 0.2478 0.03
0.85 78.0 -0.044 0.2231 0.03
0.85 90.0 0.2787 0.2235 0.0305
0.85 102.0 -0.0798 0.2282 0.03
0.85 114.0 0.0075 0.2462 0.03
0.85 246.0 -0.2089 0.2487 0.0303
0.85 258.0 0.0951 0.2134 0.0301
0.85 270.0 0.1581 0.1896 0.0302
0.85 282.0 0.1905 0.206 0.0302
0.85 294.0 -0.205 0.203 0.0303
0.85 306.0 0.0848 0.2598 0.03
0.95 78.0 0.1202 0.2576 0.0301
0.95 114.0 0.0077 0.2583 0.03
0.95 126.0 -0.0609 0.2418 0.03
0.95 306.0 -0.2911 0.2464 0.0306
Created in SINP MSU, CLAS Collaboration