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Measurement E151M975

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

Q2 : 0.4155 GeV2
W : 1295 GeV
ε : 0.9435
Ebeam : 2.999 GeV
εL: 0.9396 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
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 		AUL Stat. error Syst. error
0.05 66 0.2925 0.7531 0.0368
0.15 66 -0.4526 0.6142 0.0447
0.25 66 -0.6169 0.6337 0.0542
0.45 282 0.5349 0.7237 0.0493
0.55 66 -0.5897 0.5731 0.0525
0.55 78 -0.3476 0.5601 0.0393
0.55 90 -0.1655 0.7079 0.0323
0.55 270 0.346 0.5733 0.0392
0.55 282 0.0218 0.5466 0.03
0.65 66 0.3096 0.5393 0.0376
0.65 78 -0.5576 0.4362 0.0506
0.65 90 0.8963 0.6293 0.0721
0.65 102 -0.5633 0.6072 0.0509
0.65 258 -0.3618 0.5982 0.04
0.65 270 -0.324 0.4746 0.0382
0.65 282 0.2321 0.5998 0.0345
0.65 294 -0.3304 0.439 0.0385
0.65 306 -0.6073 0.5476 0.0536
0.75 66 0.6716 0.5439 0.0575
0.75 78 -1.2055 0.3469 0.0931
0.75 90 0.5928 0.5412 0.0527
0.75 102 0.0219 0.535 0.03
0.75 258 0.0234 0.5039 0.03
0.75 270 0.3401 0.5033 0.039
0.75 282 -1.2094 0.3803 0.0933
0.75 294 -0.0956 0.4568 0.0308
0.75 306 1.0876 0.5875 0.085
0.75 318 1.2465 0.7935 0.0959
0.85 54 -1.7365 0.3745 0.1304
0.85 66 -0.1508 0.523 0.032
0.85 78 -0.6514 0.4124 0.0563
0.85 90 1.0718 0.5706 0.0839
0.85 102 -0.1934 0.52 0.0332
0.85 114 0.2403 0.6097 0.0348
0.85 234 -0.0793 0.6505 0.0306
0.85 246 -0.2703 0.4823 0.0359
0.85 258 0.3158 0.447 0.0379
0.85 270 1.1393 0.5911 0.0885
0.85 282 0.2533 0.4917 0.0353
0.85 294 0.3916 0.5735 0.0415
0.85 306 0.6445 0.5615 0.0558
0.85 318 -0.6085 0.4707 0.0536
0.85 330 0.6496 0.7041 0.0562
0.95 54 -1.0644 0.4372 0.0834
0.95 66 0.2951 0.6991 0.0369
0.95 78 -0.3718 0.5846 0.0405
0.95 90 0.5226 0.6422 0.0486
0.95 102 1.0176 0.705 0.0802
0.95 114 1.6221 0.7549 0.1223
0.95 234 -1.0317 0.4373 0.0812
0.95 246 0.2242 0.72 0.0342
0.95 258 -0.4764 0.5631 0.046
0.95 270 0.8227 0.5486 0.0672
0.95 282 1.0142 0.6429 0.08
0.95 294 0.2886 0.5691 0.0367
0.95 306 -0.0173 0.585 0.03
0.95 318 -0.785 0.5054 0.0647