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Measurement E151M248

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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 : 0.1715 GeV2
W : 1265 GeV
ε : 0.8486
Ebeam : 1.3383 GeV
εL: 0.6451 

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 Data errors Systematic errors
0.45 282 0.434 0.6775 0.0398
0.55 258 1.3794 1.0894 0.0883
0.55 270 0.3296 0.7801 0.036
0.55 282 -0.0441 0.5546 0.0301
0.65 258 0.844 0.8925 0.059
0.65 270 -0.0641 0.5911 0.0302
0.65 282 -0.8536 0.3552 0.0595
0.65 294 0.3789 0.766 0.0377
0.75 114 -0.6437 0.5284 0.049
0.75 126 3.2132 3.2132 0.1958
0.75 246 -1.0017 0.4142 0.0674
0.75 258 0.0494 0.5454 0.0301
0.75 270 -0.3827 0.4746 0.0378
0.75 282 0.0497 0.6556 0.0301
0.75 294 -0.0339 0.5327 0.0301
0.85 90 -0.7222 0.5299 0.0528
0.85 102 0.1891 0.6571 0.0321
0.85 114 -0.1419 0.5906 0.0312
0.85 126 0.9233 0.7921 0.0632
0.85 138 0.2266 0.8411 0.033
0.85 150 -1.0358 0.4406 0.0692
0.85 162 0.9612 0.9486 0.0652
0.85 258 0.087 0.7377 0.0305
0.85 270 -0.9016 0.3954 0.062
0.85 282 2.7143 2.7143 0.1662
0.85 294 -0.8387 0.3555 0.0587
0.85 306 1.4201 0.9676 0.0906
0.95 66 -0.0699 0.7138 0.0303
0.95 102 0.2627 0.6374 0.0339
0.95 114 -0.2888 0.4364 0.0347
0.95 126 -0.1667 0.5664 0.0316
0.95 138 -0.3348 0.4631 0.0361
0.95 150 -0.4964 0.4457 0.0424
0.95 162 0.886 0.8108 0.0612
0.95 174 0.5749 0.6978 0.0458
0.95 186 -0.2499 0.5936 0.0336
0.95 270 0.1538 0.647 0.0314
-0.05 42 0.7785 0.5765 0.0568
0.45 282 1.158 0.5141 0.0777
0.55 282 0.5527 0.4774 0.0455
0.55 294 -0.9398 0.4769 0.0655
0.65 258 -0.271 0.386 0.0344
0.65 270 -0.5151 0.4815 0.0438
0.65 282 -0.2453 0.4254 0.0336
0.65 294 0.7093 0.4873 0.0532
0.75 114 0.2104 0.5515 0.0327
0.75 126 0.1235 0.5882 0.031
0.75 246 -0.2091 0.5142 0.0327
0.75 258 0.0549 0.4893 0.0302
0.75 270 -0.2969 0.368 0.0352
0.75 282 -0.4746 0.4194 0.042
0.75 294 -0.1119 0.4502 0.0308
0.75 306 0.1513 0.5517 0.0314
0.85 90 0.1793 0.4674 0.032
0.85 102 -0.259 0.4317 0.034
0.85 114 -0.0945 0.4187 0.0306
0.85 126 0.1927 0.4251 0.0323
0.85 138 0.0142 0.4282 0.03
0.85 150 -1.2055 0.4133 0.0804
0.85 258 0.1966 0.4392 0.0324
0.85 270 -0.3587 0.3589 0.0373
0.85 282 0.0427 0.3973 0.0301
0.85 294 -0.2281 0.3741 0.0332
0.95 102 -0.4736 0.43 0.042
0.95 114 -0.4915 0.4022 0.0427
0.95 126 -0.1372 0.3425 0.0312
0.95 138 0.2255 0.4918 0.0331
0.95 150 0.0981 0.3926 0.0306
0.95 162 0.0149 0.4089 0.03
0.95 174 0.068 0.4637 0.0303
0.95 186 0.0154 0.4714 0.03
0.95 198 -0.4631 0.4699 0.0415
0.95 258 0.3333 0.4539 0.0364