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Measurement E151M973

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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 : 0.2915 GeV2
W : 1295 GeV
ε : 0.9581
Ebeam : 2.999 GeV
εL: 0.8307 

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 54 0.4272 0.7213 0.0433
0.05 66 -0.1717 0.5564 0.0325
0.15 54 -0.0389 0.6751 0.0301
0.15 66 -0.3652 0.5048 0.0402
0.15 306 -0.6986 0.4897 0.0592
0.25 54 0.7178 0.7103 0.0604
0.25 66 0.9092 0.5223 0.0729
0.35 54 0.9392 0.751 0.0749
0.35 66 0.4051 0.6548 0.0421
0.45 282 -0.3134 0.5653 0.0377
0.45 294 0.5505 0.6525 0.0502
0.55 66 1.84 0.8477 0.1378
0.55 78 0.5492 0.6454 0.0501
0.55 90 -0.2291 0.5117 0.0344
0.55 270 0.8619 0.5578 0.0698
0.55 282 0.7999 0.4833 0.0657
0.55 294 -0.3694 0.5985 0.0404
0.65 66 -0.3041 0.4561 0.0373
0.65 78 0.3851 0.4296 0.0411
0.65 90 -0.5648 0.3676 0.051
0.65 102 1.1481 0.6992 0.0891
0.65 258 0.2895 0.6939 0.0367
0.65 270 -0.2838 0.4363 0.0365
0.65 282 -0.1046 0.3723 0.031
0.65 294 0.4098 0.5147 0.0424
0.65 306 -0.336 0.5461 0.0388
0.75 66 -0.3393 0.3576 0.0389
0.75 78 -0.011 0.4065 0.03
0.75 90 -0.2311 0.3604 0.0344
0.75 102 0.2084 0.443 0.0336
0.75 114 1.1132 0.8345 0.0867
0.75 246 0.0023 0.4922 0.03
0.75 258 -0.3844 0.3404 0.0411
0.75 270 -0.1631 0.3916 0.0323
0.75 282 0.2222 0.3857 0.0341
0.75 294 -0.1332 0.3633 0.0315
0.75 306 0.2146 0.3922 0.0339
0.85 54 -0.6043 0.5911 0.0534
0.85 66 -0.073 0.353 0.0305
0.85 78 -0.3155 0.3321 0.0378
0.85 90 0.4569 0.396 0.0449
0.85 102 0.032 0.4063 0.0301
0.85 114 0.4572 0.4521 0.0449
0.85 126 0.6614 0.5685 0.0569
0.85 222 -0.478 0.5456 0.046
0.85 234 -0.1166 0.5479 0.0312
0.85 246 0.1217 0.4359 0.0313
0.85 258 -0.3645 0.3504 0.0401
0.85 270 0.161 0.3638 0.0322
0.85 282 -0.0275 0.3248 0.0301
0.85 294 0.597 0.3961 0.053
0.85 306 -0.6198 0.3288 0.0543
0.85 318 -0.3019 0.4566 0.0372
0.95 54 -0.2727 0.4595 0.036
0.95 66 -0.2139 0.3935 0.0338
0.95 78 -0.0337 0.4098 0.0301
0.95 90 0.6483 0.439 0.0561
0.95 102 -0.0027 0.4545 0.03
0.95 114 -0.1159 0.4565 0.0312
0.95 126 -0.1849 0.5302 0.0329
0.95 138 -0.1901 0.4872 0.0331
0.95 210 -0.1136 0.5848 0.0311
0.95 222 0.7182 0.6259 0.0605
0.95 234 -0.6485 0.472 0.0561
0.95 246 -0.4005 0.4354 0.0419
0.95 258 -0.2193 0.3956 0.034
0.95 270 0.3446 0.4391 0.0392
0.95 282 -0.2839 0.3852 0.0365
0.95 294 -0.4803 0.3591 0.0462
0.95 306 0.1871 0.4578 0.033
0.95 318 -1.3383 0.3159 0.1023
0.95 330 -0.9214 0.4151 0.0737