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Measurement E151M1581

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0844 GeV2
W : 1445 GeV
ε : 0.7524
Ebeam : 1.3383 GeV
εL: 0.134 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		ALL Stat. error Syst. error
0.55 138 0.6516 0.7955 0.0492
0.55 234 0.8176 0.5801 0.0574
0.55 246 0.7657 0.5121 0.0562
0.65 126 -0.5029 0.8274 0.0425
0.65 138 0.1357 0.8811 0.0311
0.65 150 -0.1067 0.7575 0.0307
0.65 162 0.5718 0.871 0.0455
0.65 222 0.4018 0.8461 0.0385
0.65 234 0.6382 0.7441 0.0486
0.65 246 0.2379 0.7007 0.0332
0.65 258 -0.66 0.767 0.0496
0.75 114 0.3139 0.7559 0.0354
0.75 126 -0.2918 0.859 0.0347
0.75 138 -0.1841 0.7015 0.032
0.75 150 0.5973 0.8598 0.0467
0.75 222 -0.8958 0.7948 0.0615
0.75 234 -0.0122 0.7402 0.03
0.75 246 0.1786 0.8485 0.0319
0.75 258 -0.3135 0.6752 0.0354
0.75 270 -1.4302 0.8071 0.0908
0.85 114 -0.0189 0.7515 0.03
0.85 126 1.9034 0.804 0.118
0.85 138 -0.742 0.7522 0.0536
0.85 150 0.2756 0.8456 0.0342
0.85 222 0.0708 0.8437 0.0303
0.85 234 0.4106 0.6674 0.0388
0.85 246 0.1609 0.6582 0.0315
0.85 258 0.4137 0.6018 0.0389
0.85 270 -0.2545 0.6116 0.0337
0.95 102 -0.0701 0.7108 0.0303
0.95 234 0.4409 0.6649 0.04
0.95 246 -0.4162 0.656 0.039
0.95 258 -0.3963 0.615 0.0383
0.95 270 0.6891 0.5894 0.051
0.95 282 0.6257 0.7054 0.048
0.55 258 -0.8504 0.9016 0.0578
0.65 126 -0.3532 0.9236 0.0364
0.65 138 0.09 1.1627 0.0305
0.65 222 0.7353 0.9556 0.0522
0.65 234 0.2078 0.8334 0.0323
0.65 246 -1.1143 0.7801 0.0714
0.65 258 0.0988 0.8445 0.0305
0.75 114 -1.1371 1.1039 0.0726
0.75 126 0.4856 0.9962 0.0412
0.75 138 -2.1489 0.8888 0.1285
0.75 162 -2.8395 2.8395 0.1678
0.75 222 1.1857 0.9132 0.0752
0.75 234 0.5786 0.795 0.0451
0.75 246 -0.2137 0.8598 0.0325
0.75 258 -0.4775 0.8347 0.0409
0.75 270 -0.6482 1.0426 0.0482
0.85 138 0.3862 1.0658 0.0375
0.85 222 0.9093 0.9122 0.0608
0.85 234 1.7868 0.5897 0.1081
0.85 246 -1.7151 0.6041 0.1041
0.85 258 0.2128 0.7635 0.0325
0.85 270 -0.3305 0.7524 0.0356
0.95 102 -0.1464 0.9291 0.0312
0.95 114 1.2168 0.7853 0.0769
0.95 234 1.1518 0.5799 0.0734
0.95 246 0.8376 0.7696 0.0572
0.95 258 1.4177 0.6628 0.0877
0.95 270 0.2541 0.9395 0.0334