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Measurement E151M1849

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: ALL
εL: 0.0896
Q2: 0.0707 GeV2
W: 1535.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8598

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 0.8679 0.892
0.25 78.0 0.2193 0.8132
0.25 282.0 -0.4064 0.7899
0.35 18.0 -0.225 0.88
0.35 30.0 -0.3771 0.7698
0.35 66.0 -0.9324 0.6272
0.35 78.0 0.8047 0.613
0.35 90.0 0.7237 0.9159
0.35 270.0 0.1953 0.7208
0.35 282.0 0.7516 0.6639
0.35 294.0 -0.5925 0.6655
0.35 330.0 0.8014 0.8155
0.45 66.0 -0.0421 0.8354
0.45 78.0 0.5091 0.5607
0.45 90.0 0.9387 0.7659
0.45 102.0 -0.1708 0.8922
0.45 258.0 -1.4931 0.6443
0.45 270.0 -0.2689 0.649
0.45 282.0 0.2448 0.6836
0.45 294.0 0.2499 0.5966
0.55 78.0 0.7214 0.698
0.55 90.0 0.0933 0.8149
0.55 102.0 -0.2316 0.8189
0.55 114.0 -0.9818 0.8393
0.55 126.0 -0.7207 0.7362
0.55 138.0 0.3947 0.8997
0.55 150.0 -0.1012 0.8749
0.55 198.0 -0.4098 0.8672
0.55 210.0 1.2594 0.7047
0.55 222.0 -0.3698 0.7124
0.55 234.0 0.5756 0.6779
0.55 246.0 -0.1134 0.8431
0.55 258.0 -0.8145 0.6352
0.55 270.0 -1.235 0.6262
0.55 282.0 -0.9577 0.6133
0.55 294.0 -0.8031 0.7491
0.65 54.0 0.6148 0.9488
0.65 66.0 0.1257 0.8069
0.65 78.0 2.9476 2.9476
0.65 102.0 -1.1995 0.7553
0.65 114.0 -0.535 0.6473
0.65 126.0 -0.3224 0.5556
0.65 138.0 0.0345 0.6401
0.65 150.0 0.2374 0.7615
0.65 198.0 0.5327 0.7722
0.65 210.0 0.3066 0.8014
0.65 222.0 -1.0129 0.6007
0.65 234.0 -0.2487 0.7188
0.65 246.0 -0.2371 0.7023
0.65 258.0 -1.0705 0.635
0.65 270.0 -0.8352 0.7692
0.65 294.0 0.0669 0.6044
0.65 306.0 0.5341 0.8548
0.75 102.0 -0.1742 0.8863
0.75 114.0 -0.8043 0.6066
0.75 126.0 -0.4594 0.6411
0.75 138.0 -0.3007 0.629
0.75 186.0 1.3607 0.7732
0.75 198.0 -0.8413 0.7469
0.75 210.0 -0.8666 0.5681
0.75 222.0 -0.5056 0.5653
0.75 234.0 0.2174 0.5283
0.75 246.0 0.487 0.5944
0.75 258.0 -0.5732 0.8141
0.75 270.0 -0.0172 0.93
0.75 282.0 -0.793 0.5722
0.75 294.0 0.6333 0.8548
0.85 90.0 -0.8452 0.7646
0.85 102.0 -0.7721 0.6486
0.85 138.0 1.0606 0.8376
0.85 150.0 0.7186 0.8242
0.85 198.0 -1.1407 0.766
0.85 210.0 0.6395 0.6664
0.85 222.0 0.3882 0.5522
0.85 234.0 0.4245 0.481
0.85 246.0 0.0383 0.6356
0.85 258.0 1.3686 0.7094
0.95 114.0 0.1284 0.831
0.95 210.0 -0.2759 0.7115
0.95 222.0 -0.611 0.5944
0.95 234.0 -0.1831 0.5774
0.95 246.0 1.0082 0.5459
Created in SINP MSU, CLAS Collaboration