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Measurement E151M976

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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 : 0.496 GeV2
W : 1295 GeV
ε : 0.9334
Ebeam : 2.999 GeV
εL: 0.9758 

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
0.45 282 0.9118 0.785 0.0731
0.55 66 0.8255 0.8297 0.0674
0.55 78 0.5726 0.7326 0.0515
0.55 90 -0.022 0.6685 0.03
0.55 270 0.0225 0.7255 0.03
0.55 294 0.4934 0.7516 0.0469
0.65 66 -0.7207 0.5536 0.0606
0.65 78 0.7001 0.7141 0.0593
0.65 90 0.1281 0.6149 0.0314
0.65 102 -0.6578 0.5571 0.0567
0.65 270 0.0028 0.6414 0.03
0.65 282 0.4227 0.5897 0.0431
0.65 294 0.9983 0.6938 0.0789
0.65 306 -0.3671 0.5875 0.0402
0.75 66 0.055 0.5925 0.0303
0.75 78 -0.1056 0.5744 0.031
0.75 90 -0.6358 0.5074 0.0553
0.75 102 1.4283 0.8667 0.1086
0.75 258 -0.07 0.6896 0.0304
0.75 270 -0.6282 0.4959 0.0548
0.75 282 -0.2562 0.5411 0.0354
0.75 294 0.3702 0.5833 0.0404
0.75 306 0.0353 0.5537 0.0301
0.75 318 0.5034 0.6773 0.0475
0.85 54 -1.3731 0.4379 0.1047
0.85 66 -0.7089 0.4621 0.0599
0.85 78 -0.0122 0.5683 0.03
0.85 90 -0.1064 0.6014 0.031
0.85 102 0.2434 0.6575 0.0349
0.85 114 0.0789 0.7195 0.0305
0.85 246 -0.8209 0.5578 0.0671
0.85 258 -0.4054 0.4669 0.0422
0.85 270 0.4374 0.5161 0.0438
0.85 282 0.2024 0.5423 0.0334
0.85 294 1.2207 0.6548 0.0941
0.85 306 -0.2082 0.5278 0.0336
0.85 318 0.6652 0.6601 0.0571
0.85 330 0.765 0.7023 0.0635
0.95 78 -0.0005 0.6158 0.03
0.95 258 -0.6855 0.5083 0.0584
0.95 306 0.1352 0.5144 0.0316