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Measurement E151M285

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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 : 0.1435 GeV2
W : 1325 GeV
ε : 0.8244
Ebeam : 1.3383 GeV
εL: 0.4015 

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
0.55 258 -0.5354 0.4843 0.0471
0.55 270 -0.3955 0.4578 0.0406
0.65 258 -0.0283 0.4753 0.0301
0.65 270 -0.2572 0.4819 0.034
0.75 102 -0.5242 0.6056 0.0442
0.75 114 1.014 0.5676 0.0696
0.75 126 0.4912 0.5486 0.0427
0.75 138 -0.9042 0.5288 0.0635
0.75 150 0.2601 0.6398 0.034
0.75 222 -1.0094 0.5599 0.0693
0.75 234 0.3698 0.4878 0.0377
0.75 246 -0.4102 0.4596 0.0393
0.75 258 0.2306 0.4685 0.0332
0.75 270 0.0224 0.4582 0.03
0.75 282 -0.4022 0.464 0.039
0.85 102 0.1697 0.5488 0.0318
0.85 114 -0.2753 0.4558 0.0345
0.85 126 0.4939 0.4801 0.0428
0.85 138 0.2367 0.4802 0.0334
0.85 150 0.4564 0.5324 0.0412
0.85 234 0.5825 0.5181 0.0469
0.85 246 0.8338 0.5191 0.0597
0.85 258 -0.0216 0.5179 0.03
0.85 270 0.5542 0.4342 0.0456
0.85 282 -0.6129 0.4428 0.0484
0.85 294 0.4218 0.3971 0.0398
0.95 66 0.2492 0.5487 0.0337
0.95 78 0.5364 0.4772 0.0448
0.95 126 1.0645 0.4532 0.0724
0.95 138 -0.3697 0.4194 0.0377
0.95 150 0.2392 0.4591 0.0335
0.95 162 -0.3265 0.4864 0.0362
0.95 258 0.147 0.5295 0.0314
0.95 270 0.9939 0.4364 0.0685
0.95 282 0.1218 0.446 0.0309
0.55 282 -0.8039 0.5554 0.057
0.65 246 0.9638 1.006 0.0653
0.65 258 1.8887 1.0165 0.1176
0.65 270 0.9475 0.8067 0.0645
0.65 282 1.8394 1.0252 0.1148
0.75 102 -0.0659 0.9616 0.0303
0.75 114 0.3298 0.8434 0.036
0.75 126 0.3838 0.8391 0.0379
0.75 138 0.0804 0.9638 0.0304
0.75 234 -0.2222 0.6608 0.0328
0.75 246 -0.6811 0.4818 0.0508
0.75 258 -0.6652 0.4483 0.05
0.75 270 0.4173 0.8396 0.0391
0.75 282 -0.3553 0.6989 0.0368
0.85 102 0.5563 0.933 0.045
0.85 114 1.1785 0.8609 0.077
0.85 126 -0.7291 0.563 0.0532
0.85 138 1.5519 0.9531 0.0982
0.85 150 -0.6304 0.6154 0.0484
0.85 162 2.3191 2.3191 0.1428
0.85 174 -0.6273 0.7338 0.0482
0.85 234 -0.1991 0.8195 0.0323
0.85 246 -0.6368 0.5365 0.0487
0.85 258 -0.4385 0.5542 0.04
0.85 270 -0.5014 0.4743 0.0426
0.85 282 -0.5565 0.4993 0.045
0.85 294 0.365 0.703 0.0372
0.95 78 2.9823 2.9823 0.1821
0.95 102 0.2818 0.9941 0.0345
0.95 126 0.3242 0.8209 0.0358
0.95 138 -0.1853 0.6983 0.032
0.95 150 -0.0236 0.7913 0.03
0.95 246 -0.1956 0.6222 0.0322
0.95 258 -0.4303 0.5287 0.0396
0.95 270 -0.1293 0.6131 0.031
0.95 282 -0.7721 0.4268 0.0553