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Measurement E151M1742

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: 0.2638
Q2: 0.0707 GeV2
W: 1325.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9476

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 30.0 0.0485 0.7835 0.0301
0.15 54.0 0.1466 0.7012 0.0313
0.15 66.0 0.5307 0.7289 0.044
0.15 306.0 -0.2196 0.5039 0.0328
0.15 318.0 -0.9242 0.6076 0.0635
0.25 66.0 -0.1221 0.5822 0.0309
0.25 78.0 0.5669 0.5495 0.0456
0.25 294.0 -0.3599 0.4636 0.0371
0.25 306.0 1.0863 0.4202 0.0723
0.25 318.0 -0.615 0.7099 0.0478
0.35 54.0 0.6615 0.7399 0.0501
0.35 66.0 0.5305 0.4531 0.044
0.35 78.0 0.1019 0.4647 0.0306
0.35 90.0 -1.1602 0.6402 0.0764
0.35 282.0 0.4493 0.5655 0.0405
0.35 294.0 -0.8163 0.4036 0.0578
0.35 306.0 0.6721 0.4336 0.0506
0.45 66.0 0.0746 0.3725 0.0303
0.45 78.0 -0.4595 0.3533 0.0409
0.45 90.0 -0.336 0.4358 0.0363
0.45 270.0 0.1128 0.7058 0.0308
0.45 282.0 -0.0589 0.4132 0.0302
0.45 294.0 -0.8568 0.4011 0.06
0.45 306.0 -0.2254 0.6399 0.033
0.55 66.0 0.3097 0.5892 0.0354
0.55 78.0 0.0114 0.4016 0.03
0.55 90.0 0.6226 0.4778 0.0482
0.55 102.0 -0.1686 0.7557 0.0317
0.55 246.0 0.4441 0.7376 0.0403
0.55 258.0 0.5599 0.5215 0.0453
0.55 270.0 0.1803 0.464 0.0319
0.55 282.0 0.1508 0.42 0.0314
0.55 294.0 -0.4076 0.4981 0.0389
0.65 66.0 -0.1705 0.6636 0.0317
0.65 78.0 -0.0511 0.5006 0.0302
0.65 90.0 1.0499 0.4804 0.0703
0.65 102.0 0.6939 0.5219 0.0517
0.65 114.0 -0.8089 0.5129 0.0575
0.65 126.0 -0.0975 0.5481 0.0306
0.65 234.0 -1.0386 0.4599 0.0697
0.65 246.0 -0.4247 0.4082 0.0395
0.65 258.0 0.2893 0.3629 0.0347
0.65 270.0 -0.9171 0.4429 0.0632
0.65 282.0 -0.4606 0.5163 0.041
0.75 90.0 -0.4848 0.5016 0.042
0.75 102.0 -0.4667 0.4544 0.0412
0.75 114.0 -0.6283 0.438 0.0485
0.75 126.0 -0.1797 0.4232 0.0319
0.75 138.0 -0.2905 0.3932 0.0348
0.75 150.0 0.5623 0.5831 0.0454
0.75 210.0 0.3182 0.6809 0.0357
0.75 222.0 0.6098 0.4749 0.0476
0.75 234.0 -0.3031 0.3879 0.0352
0.75 246.0 0.3109 0.3237 0.0354
0.75 258.0 -0.0993 0.3566 0.0306
0.75 270.0 0.1592 0.3735 0.0315
0.75 282.0 -0.6613 0.4949 0.0501
0.85 102.0 -0.5607 0.4298 0.0453
0.85 114.0 0.2158 0.3542 0.0327
0.85 126.0 0.1253 0.378 0.0309
0.85 138.0 0.5915 0.3784 0.0467
0.85 150.0 1.2891 0.4035 0.0837
0.85 162.0 0.4838 0.4804 0.0419
0.85 174.0 -0.2249 0.5616 0.033
0.85 198.0 0.0101 0.7426 0.03
0.85 210.0 1.4896 0.488 0.0951
0.85 222.0 -0.2761 0.4436 0.0344
0.85 234.0 0.1711 0.3557 0.0317
0.85 246.0 0.3234 0.3383 0.0358
0.85 258.0 -0.4847 0.31 0.042
0.85 270.0 0.1152 0.365 0.0308
0.85 282.0 0.6245 0.5469 0.0483
0.95 126.0 -0.6545 0.5396 0.0497
0.95 138.0 0.3669 0.4997 0.0373
0.95 150.0 -0.2927 0.5665 0.0349
0.95 162.0 0.6172 0.6457 0.0479
0.95 174.0 -0.1085 0.6379 0.0307
0.95 198.0 0.4608 0.605 0.041
0.95 210.0 1.0572 0.4944 0.0707
0.95 222.0 0.6148 0.5391 0.0478
0.95 234.0 -0.1766 0.4566 0.0319
0.95 246.0 0.1827 0.4062 0.032
0.95 258.0 -0.032 0.467 0.0301
0.95 270.0 -0.5098 0.5314 0.0431
Created in SINP MSU, CLAS Collaboration