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Measurement E151M1142

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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 : 1715 GeV
ε : 0.8472
Ebeam : 2.999 GeV
εL: 0.1572 

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
0.45 270 1.4991 1.0057 0.1136
0.45 282 0.0782 0.8659 0.0305
0.55 90 0.1206 0.8422 0.0313
0.55 102 -0.2652 0.7822 0.0357
0.65 102 -0.3708 0.7117 0.0404
0.65 114 -0.8579 0.6911 0.0695
0.65 198 1.4782 1.0818 0.1121
0.65 294 0.1421 0.7471 0.0317
0.75 78 0.408 0.8278 0.0423
0.75 126 -0.371 0.8581 0.0404
0.75 198 -0.1001 0.8655 0.0309
0.75 210 -0.2345 0.8565 0.0346
0.75 222 1.4213 0.9556 0.1081
0.75 234 0.9768 0.8426 0.0774
0.75 246 -0.5805 0.7339 0.052
0.85 66 2.0633 0.8768 0.1538
0.85 78 0.824 0.705 0.0673
0.85 90 -0.2848 0.702 0.0365
0.85 102 0.3022 0.7487 0.0373
0.85 186 0.0503 0.8282 0.0302
0.85 198 -0.1895 0.6264 0.033
0.85 210 0.5263 0.7384 0.0488
0.85 222 0.9108 0.743 0.073
0.85 234 -0.3934 0.6647 0.0416
0.85 246 1.9945 0.8828 0.1488
0.85 258 1.0993 0.8067 0.0858
0.95 114 -1.4036 0.5991 0.1069
0.95 174 0.111 0.8038 0.0311
0.95 186 0.1151 0.8 0.0312
0.95 198 1.0253 0.7474 0.0807
0.95 210 -0.2896 0.5925 0.0367
0.95 222 1.0151 0.6253 0.08
0.95 234 -0.0417 0.5655 0.0302
0.95 246 0.7181 0.6002 0.0605
0.95 258 0.5563 0.7724 0.0505
0.95 270 -0.4368 0.5659 0.0438