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Measurement E151M276

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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 : 0.0291 GeV2
W : 1325 GeV
ε : 0.8971
Ebeam : 1.3383 GeV
εL: 0.1126 

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
0.15 30 -0.0463 0.8947 0.0301
0.15 42 0.4528 0.509 0.0409
0.25 30 -0.2529 0.4565 0.0338
0.25 42 -0.0116 0.424 0.03
0.25 54 0.3177 0.4408 0.0459
0.35 30 -0.1786 0.7635 0.0319
0.35 42 -0.6502 0.3144 0.0604
0.35 54 -0.5134 0.4515 0.0601
0.45 30 0.0619 0.4233 0.0408
0.45 42 -0.0257 0.4619 0.0328
0.55 30 -0.2868 0.5518 0.0349
0.55 42 -0.5344 0.4129 0.045
0.55 234 -0.2938 0.3598 0.0402
0.55 246 0.0258 0.346 0.0315
0.55 258 -0.0612 0.3269 0.0334
0.55 270 0.6807 0.4448 0.0517
0.65 114 -0.3547 0.5036 0.0421
0.65 126 1.0101 0.4112 0.0692
0.65 138 -0.4173 0.3351 0.0429
0.65 150 0.8156 0.444 0.0589
0.65 162 -0.2334 0.7846 0.0331
0.65 210 0.2113 0.8691 0.0326
0.65 222 0.7352 0.3362 0.0543
0.65 234 -0.1216 0.254 0.0312
0.65 246 -0.3191 0.2344 0.0358
0.65 258 0.1218 0.2587 0.0321
0.65 270 -0.5461 0.323 0.0452
0.75 114 -0.6993 0.3446 0.0561
0.75 126 -0.0773 0.3576 0.0405
0.75 138 -0.1045 0.2927 0.0307
0.75 150 0.0747 0.3541 0.0334
0.75 162 -0.4235 0.2983 0.0621
0.75 174 -0.7722 0.3774 0.0581
0.75 210 -0.2496 0.4053 0.0433
0.75 222 0.033 0.2932 0.0436
0.75 234 -0.0514 0.2459 0.0382
0.75 246 -0.1501 0.2392 0.0388
0.75 258 -0.3475 0.2604 0.0488
0.75 270 -0.5819 0.2881 0.0471
0.85 114 -0.3406 0.512 0.0367
0.85 126 0.3045 0.3776 0.0354
0.85 138 -0.4424 0.3173 0.041
0.85 150 -0.5634 0.3315 0.0467
0.85 162 0.08 0.3763 0.0338
0.85 174 -0.4006 0.3484 0.039
0.85 198 -0.7833 0.5841 0.0559
0.85 210 1.4995 0.4702 0.0969
0.85 222 -0.0424 0.2751 0.0465
0.85 234 0.1737 0.2909 0.0319
0.85 246 0.2339 0.2545 0.0335
0.85 258 0.0243 0.2417 0.0307
0.85 270 -0.2892 0.2891 0.0353
0.95 114 -0.146 0.6038 0.0313
0.95 126 -0.0651 0.3493 0.034
0.95 138 -0.2853 0.6535 0.0346
0.95 210 1.2121 1.0332 0.0789
0.95 222 0.0066 0.7139 0.03
0.95 234 0.1263 0.3913 0.031
0.95 246 -0.0006 0.2747 0.0319
0.95 258 -0.5551 0.3272 0.0507