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Measurement E151M1777

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: 0.3715
Q2: 0.1715 GeV2
W: 1385.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8997

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 66.0 -1.6062 0.6958 0.1018
0.25 78.0 -0.2433 0.8282 0.0334
0.25 294.0 0.5633 0.6737 0.0454
0.25 306.0 0.2059 0.8076 0.0325
0.35 66.0 -0.2677 0.7032 0.0341
0.35 78.0 0.059 0.678 0.0302
0.35 282.0 0.1886 0.7403 0.0321
0.35 294.0 0.1708 0.6951 0.0317
0.35 306.0 -0.1871 0.826 0.0321
0.45 66.0 -0.9895 0.7511 0.067
0.45 78.0 0.1543 0.7484 0.0314
0.45 294.0 1.3192 0.7056 0.0854
0.55 282.0 1.4133 0.7006 0.0907
0.65 90.0 0.0928 0.8041 0.0305
0.65 102.0 -0.581 0.651 0.0463
0.65 114.0 -0.0245 0.6339 0.03
0.65 126.0 -0.463 0.8465 0.0411
0.65 246.0 -0.7745 0.6395 0.0557
0.65 258.0 -0.8683 0.5541 0.0606
0.65 270.0 0.6944 0.6534 0.0517
0.75 90.0 1.0449 0.5304 0.0701
0.75 102.0 1.0783 0.5789 0.0719
0.75 114.0 0.1531 0.5457 0.0314
0.75 126.0 -0.8322 0.7035 0.0587
0.75 138.0 -0.8435 0.7831 0.0593
0.75 222.0 1.2721 0.6784 0.0827
0.75 234.0 -0.6628 0.619 0.0501
0.75 246.0 -1.1673 0.5059 0.0768
0.75 258.0 0.3838 0.4868 0.038
0.75 270.0 -0.4739 0.4837 0.0415
0.75 282.0 -0.0353 0.653 0.0301
0.85 78.0 -0.0364 0.8193 0.0301
0.85 90.0 0.4908 0.671 0.0422
0.85 102.0 0.7744 0.4917 0.0557
0.85 114.0 -0.0165 0.6115 0.03
0.85 126.0 0.9643 0.5428 0.0657
0.85 138.0 -0.4414 0.7111 0.0402
0.85 150.0 -0.4074 0.7639 0.0388
0.85 222.0 -0.2025 0.5903 0.0324
0.85 234.0 0.4678 0.4851 0.0413
0.85 246.0 -0.0622 0.585 0.0302
0.85 258.0 1.0351 0.5471 0.0695
0.85 270.0 -0.07 0.5581 0.0303
0.85 282.0 -0.6467 0.4838 0.0494
0.85 294.0 -0.9429 0.558 0.0645
0.95 78.0 -1.1608 0.6939 0.0765
0.95 114.0 -0.1108 0.591 0.0307
0.95 126.0 -0.845 0.5624 0.0593
0.95 138.0 0.2436 0.6855 0.0334
0.95 222.0 -0.1327 0.5922 0.0311
0.95 234.0 -0.2343 0.6491 0.0332
0.95 246.0 0.456 0.5419 0.0408
0.95 258.0 0.1291 0.4822 0.031
0.95 270.0 -0.0473 0.4553 0.0301
0.95 282.0 0.8525 0.4429 0.0597
0.95 294.0 0.2325 0.5246 0.0331
Created in SINP MSU, CLAS Collaboration