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Measurement E151M959

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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 : 0.1435 GeV2
W : 1265 GeV
ε : 0.9771
Ebeam : 2.999 GeV
εL: 0.6625 

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
0.25 66 0.2618 0.7141 0.0356
0.35 66 -0.7083 0.502 0.0598
0.35 78 -0.5186 0.6273 0.0483
0.45 282 0.1952 0.7922 0.0332
0.55 270 0.0746 0.5226 0.0305
0.55 282 0.8481 0.604 0.0689
0.55 294 0.4492 0.752 0.0445
0.65 258 1.6835 0.7557 0.1267
0.65 270 -0.4031 0.5378 0.042
0.65 282 -0.5587 0.3579 0.0507
0.65 294 -1.1879 0.4226 0.0919
0.75 78 0.5544 0.7731 0.0504
0.75 90 -0.1274 0.6445 0.0314
0.75 102 -0.6075 0.559 0.0536
0.75 258 -0.0047 0.5654 0.03
0.75 270 -1.0967 0.3398 0.0856
0.75 282 0.1423 0.4946 0.0318
0.75 294 0.1904 0.5042 0.0331
0.85 78 -0.8565 0.4133 0.0694
0.85 90 -0.1515 0.5234 0.032
0.85 102 0.3024 0.462 0.0373
0.85 114 -0.1627 0.4901 0.0323
0.85 126 3.2077 3.2077 0.2364
0.85 246 0.2175 0.5966 0.034
0.85 258 -0.1453 0.5436 0.0318
0.85 270 0.2119 0.4957 0.0338
0.85 282 -0.5788 0.4309 0.0519
0.85 294 -0.3303 0.5311 0.0385
0.95 78 0.0184 0.5265 0.03
0.95 90 0.6218 0.5205 0.0545
0.95 102 0.8206 0.6108 0.0671
0.95 114 0.2783 0.5174 0.0362
0.95 126 -0.5069 0.4408 0.0477
0.95 138 0.9652 0.6597 0.0767
0.95 246 -0.5611 0.5631 0.0508
0.95 258 -0.376 0.4405 0.0407