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Measurement E151M1287

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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 : 0.0121 GeV2
W : 1295 GeV
ε : 0.8686
Ebeam : 1.0539 GeV
εL: 0.0564 

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 -0.4222 0.7907 0.0563
0.35 42 -0.838 0.6217 0.0992
0.35 54 -0.2128 0.6953 0.0384
0.35 66 2.8331 2.8331 0.3209
0.45 42 0.6139 0.6796 0.0755
0.45 258 0.8544 0.6667 0.1009
0.55 30 1.396 0.6506 0.1603
0.55 42 -0.0162 0.5913 0.0301
0.55 54 1.3195 0.7649 0.1518
0.55 222 0.6151 0.7194 0.0756
0.55 234 -0.5482 0.5876 0.0687
0.55 246 0.1915 0.4572 0.037
0.55 258 -0.6 0.4801 0.074
0.55 270 0.9929 0.5918 0.1159
0.65 138 -0.7023 0.8356 0.0847
0.65 150 0.6571 0.6721 0.08
0.65 162 0.0871 0.7028 0.0316
0.65 174 -0.9035 0.7811 0.1062
0.65 186 -1.1135 0.8502 0.1291
0.65 198 1.5977 0.707 0.1827
0.65 210 0.4842 0.6854 0.0623
0.65 222 1.0029 0.5547 0.117
0.65 234 0.4266 0.4322 0.0567
0.65 246 -0.1184 0.3721 0.0328
0.65 258 -0.1136 0.4398 0.0326
0.65 270 -1.0148 0.4745 0.1183
0.75 138 1.1257 0.7159 0.1305
0.75 150 -0.7305 0.5951 0.0877
0.75 162 0.7234 0.5815 0.0869
0.75 174 0.4075 0.606 0.0549
0.75 186 1.1375 0.6745 0.1318
0.75 210 0.1993 0.6643 0.0375
0.75 222 -0.1307 0.5103 0.0334
0.75 234 -0.0651 0.4421 0.0309
0.75 246 0.8048 0.3866 0.0956
0.75 258 0.365 0.4235 0.0509
0.75 270 -0.4003 0.5462 0.0542
0.85 162 -0.2381 0.7459 0.0403
0.85 210 0.9865 0.6688 0.1152
0.85 222 -0.1674 0.6311 0.0354
0.85 234 -0.116 0.4106 0.0327
0.85 246 0.2309 0.4232 0.0397
0.85 258 -0.0436 0.4334 0.0304
0.85 270 0.2524 0.6176 0.0414