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Measurement E151M2018

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALL
εL: 0.3819
Q2: 0.1715 GeV2
W: 1385.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9248

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 66.0 -0.4667 1.2792 0.0523
0.35 294.0 -0.1188 0.9472 0.0319
0.65 90.0 1.1341 1.3094 0.1085
0.65 102.0 -0.5288 1.3224 0.0571
0.65 114.0 -1.1061 1.3135 0.106
0.65 246.0 0.1912 1.1572 0.0348
0.65 270.0 1.5959 1.1368 0.1497
0.75 90.0 -0.9922 1.1992 0.096
0.75 102.0 0.3559 1.2208 0.0444
0.75 114.0 -0.0349 1.2632 0.0302
0.75 126.0 2.5726 1.1559 0.2383
0.75 222.0 0.1248 1.2706 0.0321
0.75 246.0 1.1743 0.9071 0.112
0.75 258.0 1.4935 1.0959 0.1405
0.75 270.0 -0.6876 1.1298 0.07
0.75 282.0 -1.3835 1.251 0.1306
0.85 90.0 2.4892 1.5484 0.2307
0.85 102.0 -0.3587 1.3652 0.0446
0.85 114.0 3.3118 1.3139 0.3058
0.85 138.0 0.3937 1.5791 0.047
0.85 234.0 -1.6898 1.2787 0.1582
0.85 246.0 -1.234 1.0954 0.1173
0.85 258.0 -1.3435 1.0644 0.1271
0.85 270.0 1.3059 1.1485 0.1237
0.85 282.0 0.3314 1.0253 0.0427
0.85 294.0 -0.5384 1.1747 0.0579
0.95 258.0 0.7215 2.7106 0.0728
0.95 270.0 7.2682 2.6567 0.6686
0.95 282.0 1.2242 3.1254 0.1164
0.95 294.0 0.6115 3.5218 0.0637
0.25 66.0 0.3638 0.6792 0.0382
0.35 66.0 0.6071 0.7129 0.0496
0.45 294.0 0.7275 0.6366 0.056
0.55 102.0 -0.7241 0.6634 0.0558
0.65 90.0 0.6744 0.7507 0.0531
0.65 102.0 0.6092 0.6441 0.0497
0.65 114.0 0.7294 0.7416 0.0561
0.65 246.0 -0.1639 0.6879 0.0318
0.65 258.0 -0.121 0.7624 0.031
0.75 90.0 -0.595 0.7214 0.049
0.75 102.0 0.4635 0.5961 0.0425
0.75 114.0 0.0497 0.6458 0.0302
0.75 126.0 -0.3572 0.7038 0.0379
0.75 234.0 -0.1932 0.8042 0.0325
0.75 246.0 -0.0542 0.6866 0.0302
0.75 258.0 -0.6698 0.5733 0.0529
0.75 270.0 -1.0041 0.706 0.0719
0.85 90.0 0.9969 0.7912 0.0715
0.85 102.0 1.2618 0.6984 0.0874
0.85 114.0 -0.6837 0.6336 0.0537
0.85 126.0 0.5769 0.7774 0.048
0.85 222.0 -0.1629 0.7511 0.0318
0.85 234.0 -0.0753 0.8568 0.0304
0.85 246.0 0.5514 0.7348 0.0468
0.85 258.0 -0.3038 0.5979 0.0359
0.85 270.0 0.4224 0.6623 0.0407
0.85 282.0 -1.1966 0.5826 0.0834
0.85 294.0 -0.7036 0.7397 0.0547
0.95 138.0 -1.7029 1.3833 0.1148
0.95 222.0 0.6236 1.3438 0.0505
0.95 234.0 1.7955 1.2611 0.1206
0.95 246.0 0.2093 1.1676 0.0329
0.95 258.0 -0.4172 1.1543 0.0405
0.95 270.0 0.2405 1.185 0.0338
0.95 282.0 1.0947 1.1173 0.0773
Created in SINP MSU, CLAS Collaboration