CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M956

You are not logged in.

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 : 1235 GeV
ε : 0.9421
Ebeam : 2.999 GeV
εL: 1.2645 

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
0.15 66 0.3764 0.7475 0.0407
0.35 282 0.3181 0.6335 0.038
0.35 294 -0.4166 0.6113 0.0427
0.45 282 0.3915 0.7141 0.0415
0.45 294 -0.5513 0.5179 0.0502
0.55 78 -1.9549 0.2968 0.146
0.55 282 0.7913 0.5935 0.0652
0.55 294 -1.1418 0.3774 0.0887
0.55 306 0.3086 0.6261 0.0375
0.65 66 -0.5283 0.5457 0.0489
0.65 78 0.1868 0.6618 0.033
0.65 90 -0.7829 0.5215 0.0646
0.65 270 0.8544 0.7544 0.0693
0.65 282 0.0511 0.5954 0.0302
0.65 294 0.1763 0.5485 0.0327
0.65 306 -0.4742 0.5623 0.0458
0.75 78 -0.9827 0.4924 0.0778
0.75 90 -1.32 0.4564 0.101
0.75 102 0.4552 0.7577 0.0448
0.75 270 0.6209 0.572 0.0544
0.75 282 -0.3687 0.5507 0.0403
0.75 294 0.4698 0.6559 0.0456
0.75 318 0.2738 0.6517 0.0361
0.85 54 -0.5292 0.5682 0.0489
0.85 78 -0.2368 0.5825 0.0346
0.85 102 -0.3605 0.5287 0.0399
0.85 258 -0.3583 0.5401 0.0398
0.85 270 0.8454 0.6754 0.0687
0.85 282 0.3994 0.5995 0.0419
0.85 294 0.0906 0.5914 0.0307
0.85 306 0.4133 0.5913 0.0426
0.95 114 -0.3926 0.5971 0.0415