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Measurement E151M326

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: AUL
εL: 0.3394
Q2: 0.205 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7262

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.65 234.0 -0.1284 0.6796 0.031
0.65 246.0 -0.0583 0.8523 0.0302
0.65 258.0 0.5242 0.5493 0.0441
0.75 114.0 0.1277 1.1055 0.031
0.75 126.0 -0.1839 0.9347 0.032
0.75 234.0 -1.5136 0.4198 0.096
0.75 246.0 -1.0407 0.5469 0.0695
0.75 258.0 0.6924 0.9464 0.0514
0.85 114.0 0.0129 1.0548 0.03
0.85 138.0 0.0246 1.0556 0.03
0.85 246.0 -0.5667 0.7632 0.0454
0.85 258.0 -0.8304 0.646 0.0583
0.85 270.0 0.4247 0.9211 0.0394
0.85 282.0 -0.8851 0.6343 0.0612
0.85 294.0 -0.3967 0.7653 0.0384
0.95 66.0 0.4964 1.0938 0.0423
0.95 270.0 -0.3119 0.6787 0.0354
0.95 282.0 -0.8045 0.5414 0.057
0.95 294.0 -0.4277 0.5993 0.0395
0.65 270.0 -0.3756 0.6393 0.038
0.75 114.0 0.1209 0.7061 0.0309
0.75 126.0 1.7098 0.6919 0.11
0.75 234.0 -0.7387 0.5916 0.0547
0.75 246.0 -0.4539 0.5821 0.0411
0.75 258.0 0.3309 0.6316 0.0363
0.75 270.0 0.3743 0.6417 0.0379
0.75 282.0 -0.2615 0.7008 0.0341
0.85 114.0 1.0243 0.6751 0.0702
0.85 126.0 -1.8155 0.5143 0.1163
0.85 150.0 0.3446 0.6729 0.0368
0.85 234.0 0.3312 0.6345 0.0363
0.85 258.0 0.5887 0.6025 0.0472
0.85 270.0 -0.6567 0.5472 0.0505
0.85 282.0 -0.9332 0.5192 0.0651
0.85 294.0 0.7886 0.6374 0.0573
0.95 90.0 -0.1489 0.6068 0.0314
0.95 282.0 -0.7066 0.4555 0.053
0.95 294.0 -0.3749 0.5449 0.0379
Created in SINP MSU, CLAS Collaboration