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Measurement E151M1414

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0348 GeV2
W : 1475 GeV
ε : 0.5694
Ebeam : 1.0539 GeV
εL: 0.0395 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.25 42 -0.8397 0.7842 0.0994
0.25 54 -0.1192 0.6737 0.0329
0.35 42 0.29 0.7527 0.0444
0.35 54 -0.2357 0.7361 0.0401
0.35 66 -2.0953 0.6956 0.2382
0.45 30 -0.4162 0.8753 0.0557
0.45 42 -0.8673 0.6665 0.1023
0.45 54 0.1518 0.6632 0.0345
0.45 66 0.8645 0.8511 0.102
0.45 234 -0.8678 0.7311 0.1024
0.45 246 1.5048 0.6454 0.1724
0.45 258 0.8689 0.7762 0.1025
0.55 42 -0.3081 0.7699 0.0459
0.55 54 1.3887 0.6914 0.1595
0.55 162 -0.977 0.867 0.1142
0.55 174 1.2896 0.6493 0.1485
0.55 198 0.3172 0.9145 0.0467
0.55 222 -0.5767 0.7081 0.0716
0.55 234 -1.2651 0.565 0.1458
0.55 246 -1.2492 0.5192 0.1441
0.55 258 -0.954 0.646 0.1117
0.65 162 -0.6379 0.7295 0.078
0.65 174 1.4476 0.75 0.166
0.65 222 -0.905 0.6221 0.1064
0.65 234 -0.3613 0.6218 0.0506
0.65 246 0.01 0.5795 0.03
0.65 258 -0.5919 0.5197 0.0732
0.75 174 -0.3535 0.7655 0.0499
0.75 186 0.1565 0.7619 0.0348
0.75 222 -1.1991 0.6998 0.1385
0.75 234 1.5215 0.5164 0.1742
0.75 246 0.4236 0.5583 0.0564
0.75 258 -0.8347 0.5736 0.0988
0.75 270 0.9566 0.793 0.112
0.85 222 0.2165 0.7592 0.0387
0.85 234 1.0408 0.5089 0.1212
0.85 246 -0.5088 0.5207 0.0647
0.85 258 0.6661 0.549 0.0809