CLAS Physics Database

Measurement E151M2311

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: 0.1879
Q2: 0.205 GeV2
W: 1595.0 GeV
Ebeam: 2.999 GeV
ε: 0.9087

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 282.0 -0.3227 0.9919 0.038
0.25 294.0 1.4962 0.8159 0.1126
0.35 66.0 0.2951 0.845 0.0368
0.35 282.0 1.3309 0.7612 0.1011
0.35 294.0 -1.6538 0.8367 0.1236
0.45 66.0 0.349 1.0684 0.0392
0.45 102.0 -0.664 0.8852 0.0567
0.45 114.0 0.5742 0.9648 0.0513
0.45 270.0 -0.2438 0.7817 0.0348
0.45 282.0 0.3165 0.6021 0.0378
0.45 294.0 -2.0849 0.7207 0.1541
0.55 42.0 -2.4227 0.6844 0.1782
0.55 54.0 -0.9864 1.0227 0.0776
0.55 90.0 -1.4307 0.7336 0.108
0.55 102.0 0.6579 0.6704 0.0564
0.55 114.0 0.0759 0.7641 0.0305
0.55 126.0 -0.9418 0.8004 0.0746
0.55 138.0 1.5969 1.0236 0.1196
0.55 210.0 0.6935 1.1655 0.0586
0.55 222.0 -0.5517 0.9546 0.05
0.55 234.0 -1.1063 0.8411 0.0856
0.55 258.0 -3.1308 3.1308 0.229
0.55 270.0 0.3072 0.9893 0.0374
0.55 282.0 -1.3677 0.7114 0.1036
0.55 306.0 -0.715 0.8594 0.0599
0.65 90.0 0.7176 0.6295 0.0601
0.65 102.0 -0.277 0.5526 0.0361
0.65 114.0 -0.2207 0.6282 0.034
0.65 126.0 -0.5985 0.697 0.0528
0.65 138.0 0.6738 0.8768 0.0573
0.65 150.0 -1.2393 0.9543 0.0947
0.65 198.0 1.778 0.8013 0.1324
0.65 210.0 -0.4452 0.7647 0.0441
0.65 222.0 -0.5343 0.8617 0.049
0.65 234.0 -0.9379 0.7919 0.0743
0.65 246.0 0.6632 0.8312 0.0567
0.65 270.0 0.3633 0.9969 0.0399
0.65 294.0 0.1326 0.6613 0.0315
0.65 306.0 -0.0217 0.7144 0.03
0.75 66.0 -0.6402 0.8178 0.0553
0.75 78.0 -1.1664 0.6694 0.0897
0.75 90.0 -0.283 0.743 0.0363
0.75 102.0 -0.1521 0.6466 0.032
0.75 114.0 -0.657 0.6141 0.0563
0.75 126.0 0.8272 0.6725 0.0671
0.75 138.0 -0.4821 0.8643 0.0461
0.75 186.0 -0.8818 0.8577 0.0706
0.75 198.0 -0.334 0.7446 0.0386
0.75 210.0 -0.0918 0.6751 0.0307
0.75 222.0 -0.3421 0.6321 0.0389
0.75 234.0 0.4314 0.6486 0.0433
0.75 246.0 -0.1044 0.6107 0.0309
0.75 258.0 0.4321 0.8197 0.0434
0.75 282.0 -0.4547 0.8586 0.0446
0.75 294.0 -0.0816 0.6832 0.0306
0.75 306.0 -1.2654 0.8683 0.0965
0.85 66.0 1.3817 0.5488 0.1046
0.85 78.0 0.4414 0.4975 0.0439
0.85 90.0 0.2831 0.5916 0.0364
0.85 102.0 -0.3536 0.8978 0.0395
0.85 114.0 0.0645 0.7411 0.0304
0.85 126.0 -1.2267 0.6176 0.0939
0.85 138.0 -0.4529 1.0797 0.0445
0.85 150.0 -1.4136 1.0111 0.1068
0.85 162.0 1.4538 0.9779 0.1096
0.85 174.0 -0.3979 0.9075 0.0416
0.85 186.0 -0.3652 0.6767 0.04
0.85 198.0 1.0993 0.65 0.0852
0.85 210.0 -0.3393 0.6965 0.0388
0.85 222.0 -1.3549 0.5242 0.1027
0.85 234.0 0.3123 0.4843 0.0376
0.85 246.0 0.5001 0.4751 0.0471
0.85 258.0 0.3117 0.5959 0.0376
0.85 270.0 1.1131 0.5992 0.0861
0.85 282.0 0.952 0.7529 0.0753
0.85 294.0 -0.8001 0.8559 0.0653
0.95 78.0 0.8015 0.726 0.0654
0.95 90.0 -0.3678 0.7564 0.0401
0.95 102.0 0.0247 0.835 0.0301
0.95 162.0 -0.3492 0.8688 0.0393
0.95 174.0 1.0653 0.8058 0.0829
0.95 186.0 -0.6541 0.8688 0.0561
0.95 198.0 0.1163 0.7388 0.0312
0.95 210.0 -0.3594 0.64 0.0397
0.95 222.0 0.2488 0.5702 0.035
0.95 234.0 -0.0424 0.5911 0.0302
0.95 246.0 1.0129 0.6359 0.0793
0.95 258.0 0.2611 0.5003 0.0355
0.95 270.0 -0.1682 0.5595 0.0324
0.95 282.0 0.3708 0.5577 0.0403
0.95 294.0 -0.2063 0.5783 0.0335