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Measurement E151M3086

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: 0.0779
Q2: 0.0707 GeV2
W: 1565.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8407

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 282.0 -0.0633 0.26
0.35 78.0 -0.4809 0.2205
0.35 270.0 0.2 0.2722
0.35 282.0 0.2776 0.2695
0.45 66.0 -0.1253 0.2358
0.45 78.0 0.0121 0.2353
0.45 138.0 -0.5615 0.2174
0.45 258.0 -0.1551 0.2528
0.45 270.0 -0.1136 0.2198
0.45 282.0 0.0021 0.2006
0.45 294.0 0.4678 0.2157
0.55 78.0 -0.251 0.253
0.55 90.0 -0.0012 0.2748
0.55 114.0 0.0408 0.2468
0.55 210.0 0.1868 0.234
0.55 222.0 -0.0937 0.2167
0.55 234.0 -0.5114 0.196
0.55 258.0 0.1722 0.2483
0.55 270.0 -0.3171 0.1993
0.55 282.0 0.3499 0.1849
0.65 102.0 0.0527 0.2317
0.65 114.0 -0.0868 0.2295
0.65 126.0 0.0395 0.1999
0.65 150.0 -0.0871 0.24
0.65 198.0 -0.0923 0.2447
0.65 210.0 -0.3745 0.2224
0.65 222.0 0.1176 0.2368
0.65 234.0 0.071 0.2135
0.65 270.0 0.2065 0.2523
0.65 282.0 -0.0324 0.2748
0.65 294.0 0.0264 0.2865
0.75 66.0 -0.086 0.2329
0.75 114.0 0.0648 0.2324
0.75 126.0 0.0614 0.1971
0.75 138.0 0.3471 0.2168
0.75 150.0 0.1045 0.2871
0.75 198.0 -0.1579 0.2615
0.75 210.0 -0.1872 0.2377
0.75 222.0 -0.0261 0.1672
0.75 234.0 0.2469 0.1868
0.75 246.0 0.282 0.2378
0.75 270.0 0.0093 0.2507
0.75 282.0 -0.3364 0.195
0.75 294.0 -0.3654 0.2114
0.85 102.0 -0.0246 0.2343
0.85 114.0 0.3238 0.2194
0.85 138.0 0.4351 0.2173
0.85 198.0 -0.0687 0.29
0.85 210.0 0.1843 0.1984
0.85 222.0 -0.147 0.1952
0.85 234.0 0.2056 0.1988
0.85 246.0 -0.1533 0.181
0.95 114.0 0.166 0.2713
0.95 222.0 0.0675 0.2492
0.95 234.0 -0.0249 0.2348
Created in SINP MSU, CLAS Collaboration