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Measurement E151M653

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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 : 0.0291 GeV2
W : 1595 GeV
ε : 0.8364
Ebeam : 1.9889 GeV
εL: 0.03 

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
0.35 78 0.8486 0.8671 0.0599
0.35 282 0.5665 0.8519 0.0458
0.45 78 -0.1944 0.6873 0.0323
0.45 258 -0.266 0.7488 0.0341
0.45 270 -0.4557 0.7324 0.0409
0.55 78 1.1517 0.8973 0.0766
0.55 126 -0.6955 0.6558 0.0521
0.55 138 -0.264 0.7712 0.0341
0.55 150 -1.062 0.6887 0.0716
0.55 258 0.1266 0.7652 0.031
0.55 270 -0.9587 0.6155 0.0659
0.55 282 -0.5009 0.7255 0.0429
0.65 114 -1.006 0.6638 0.0685
0.65 126 -0.5099 0.7255 0.0433
0.65 210 0.2475 0.8292 0.0336
0.65 222 0.4555 0.8037 0.0409
0.75 66 -0.8747 0.7273 0.0613
0.75 78 0.7225 0.798 0.0534
0.75 138 0.1563 0.8494 0.0315
0.75 210 -0.2515 0.6656 0.0337
0.75 222 0.4771 0.6922 0.0419
0.75 234 -0.5466 0.6995 0.0449
0.75 258 -0.0008 0.8026 0.03
0.75 270 -0.3687 0.6676 0.0375
0.75 282 0.5383 0.6614 0.0445
0.85 114 -0.4617 0.6357 0.0412
0.85 126 -0.5343 0.6087 0.0444
0.85 138 -0.6307 0.7479 0.0489
0.85 198 1.1768 0.8345 0.078
0.85 210 -0.6469 0.6204 0.0497
0.85 222 0.2308 0.6493 0.0332
0.85 234 0.0883 0.7986 0.0305
0.85 270 0.9431 0.7627 0.065