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Measurement E151M760

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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 : 0.2445 GeV2
W : 1295 GeV
ε : 0.9321
Ebeam : 2.2596 GeV
εL: 0.7404 

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
0.65 270 0.9814 1.4298 0.0954
0.75 90 -0.1162 1.6624 0.0319
0.75 102 -1.2243 1.3664 0.1169
0.75 270 -0.5285 1.3705 0.0573
0.75 294 0.3613 1.2985 0.0449
0.85 90 1.7465 1.9336 0.164
0.85 102 -0.497 1.8294 0.0548
0.85 114 0.5081 1.7278 0.0557
0.85 270 1.5413 1.7349 0.1454
0.85 282 0.1045 1.6138 0.0315
0.95 90 -5.5479 4.0012 0.5129
0.95 282 8.0135 4.8432 0.7402
0.95 306 -0.2719 4.3432 0.0391
0.55 270 -0.2504 0.5036 0.0342
0.65 282 0.0795 0.5064 0.0305
0.75 90 -0.2022 0.4417 0.0328
0.75 102 0.3571 0.473 0.0381
0.75 246 0.9607 0.6056 0.0698
0.75 270 0.4931 0.5182 0.0441
0.75 282 -0.01 0.4613 0.03
0.75 294 0.4101 0.5179 0.0403
0.85 78 0.8201 0.5064 0.0616
0.85 90 0.7069 0.5363 0.0552
0.85 102 -0.775 0.4568 0.059
0.85 114 -0.6783 0.5116 0.0537
0.85 246 0.4639 0.6277 0.0427
0.85 258 0.23 0.5077 0.0336
0.85 270 -0.291 0.4156 0.0356
0.85 282 -0.1387 0.4444 0.0314
0.85 294 -0.3584 0.4074 0.0381
0.85 306 0.3008 0.5579 0.0359
0.95 78 0.9973 0.9035 0.072
0.95 114 0.5608 0.9696 0.0475
0.95 126 -1.0168 0.8184 0.0732
0.95 306 1.812 0.8371 0.1226