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Measurement E151M342

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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 : 0.1205 GeV2
W : 1415 GeV
ε : 0.758
Ebeam : 1.3383 GeV
εL: 0.2084 

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 Data errors Systematic errors
0.55 246 -1.2304 0.5997 0.0819
0.65 126 0.6766 0.6618 0.0515
0.65 138 0.9157 0.7268 0.0641
0.65 222 -0.1841 0.6421 0.0321
0.65 234 0.1669 0.6014 0.0317
0.65 246 1.0848 0.5278 0.0736
0.65 258 0.4716 0.577 0.0419
0.75 114 -0.1191 0.6609 0.0309
0.75 126 0.2748 0.6929 0.0345
0.75 138 0.2782 0.6001 0.0346
0.75 222 -0.0631 0.5645 0.0303
0.75 234 0.7569 0.6128 0.0556
0.75 246 -0.1999 0.4748 0.0325
0.75 258 0.8282 0.4996 0.0594
0.75 270 0.1682 0.5358 0.0318
0.85 126 -0.0012 0.5887 0.03
0.85 138 0.0071 0.632 0.03
0.85 150 0.5366 0.6574 0.0448
0.85 162 -0.4511 0.645 0.041
0.85 234 0.2953 0.6466 0.0351
0.85 246 0.3121 0.4854 0.0357
0.85 258 -1.195 0.4184 0.0798
0.85 270 0.1595 0.525 0.0316
0.85 282 0.4833 0.4912 0.0424
0.95 90 -0.2469 0.5719 0.0337
0.95 234 1.0134 0.5735 0.0696
0.95 258 -0.0609 0.5432 0.0302
0.95 270 0.0852 0.4526 0.0305
0.95 282 -0.0684 0.5173 0.0303
0.55 258 -0.6537 0.7052 0.0495
0.65 114 0.5266 1.3388 0.0437
0.65 126 -0.7196 0.8059 0.0527
0.65 138 -0.0217 1.0964 0.03
0.65 234 -0.7518 0.5995 0.0543
0.65 246 -0.8015 0.5817 0.0568
0.65 258 -0.6132 0.5637 0.0476
0.75 126 0.2611 0.9481 0.0339
0.75 138 -0.1967 0.9287 0.0323
0.75 222 -0.2449 0.8446 0.0334
0.75 234 -0.5678 0.606 0.0455
0.75 246 -0.8839 0.4981 0.0611
0.75 258 -0.3873 0.6557 0.038
0.75 270 1.4279 1.0655 0.0911
0.85 102 -0.952 0.8039 0.0647
0.85 114 -0.8087 0.7563 0.0572
0.85 126 -1.3299 0.6099 0.0855
0.85 138 0.9619 1.246 0.0652
0.85 222 0.2266 0.973 0.033
0.85 234 0.5959 0.9434 0.0468
0.85 246 1.5217 0.9711 0.0964
0.85 258 -0.5513 0.5409 0.0447
0.85 270 -0.5699 0.5347 0.0456
0.85 282 1.4964 0.9613 0.095
0.95 90 1.84 1.1724 0.1148
0.95 102 0.3368 0.9229 0.0362
0.95 114 -0.5776 0.7527 0.0459
0.95 234 0.7399 0.9927 0.0537
0.95 258 -0.9958 0.4083 0.0671
0.95 270 -0.4096 0.598 0.0388
0.95 282 0.839 0.9304 0.0588