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Measurement E151M3309

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: 0.1687
Q2: 0.1435 GeV2
W: 1535.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8754

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 282.0 0.1254 0.2436
0.65 114.0 0.319 0.2284
0.65 234.0 0.3263 0.2595
0.75 102.0 0.0959 0.2558
0.75 114.0 -0.0437 0.2419
0.75 126.0 0.1473 0.2443
0.75 138.0 -0.3112 0.221
0.75 222.0 0.2946 0.2483
0.75 234.0 -0.0769 0.235
0.85 78.0 -0.2577 0.2381
0.85 90.0 0.462 0.2327
0.85 234.0 0.0064 0.2292
0.85 246.0 0.3077 0.234
0.95 210.0 0.072 0.2364
0.35 66.0 0.3633 0.2445
0.35 78.0 0.0448 0.23
0.35 282.0 -0.0083 0.2311
0.55 282.0 -0.3426 0.2334
0.65 102.0 0.4993 0.1994
0.65 114.0 0.4855 0.1912
0.65 126.0 -0.4395 0.2224
0.65 138.0 -0.1274 0.2438
0.65 294.0 -0.3523 0.2421
0.75 114.0 -0.3176 0.2161
0.75 126.0 0.2361 0.2549
0.75 138.0 -0.1279 0.2426
0.75 210.0 0.1384 0.2407
0.75 222.0 0.1861 0.2085
0.75 234.0 -0.0474 0.2342
0.75 246.0 0.1836 0.2495
0.85 78.0 0.4277 0.2265
0.85 126.0 0.0185 0.2542
0.85 210.0 -0.009 0.2444
0.85 222.0 -0.1357 0.205
0.85 234.0 0.0004 0.2233
0.85 246.0 -0.0682 0.2057
0.85 258.0 -0.151 0.2568
0.95 210.0 -0.196 0.2584
0.95 222.0 0.1376 0.2491
0.95 246.0 -0.1535 0.2253
0.95 258.0 0.3975 0.2225
0.95 270.0 -0.3002 0.2323
Created in SINP MSU, CLAS Collaboration