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Measurement E151M2519

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: ALU
εL: 0.2682
Q2: 0.0707 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8099

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 42.0 0.1519 0.2499
0.25 30.0 -0.435 0.2332
0.25 42.0 0.1668 0.2507
0.35 30.0 -0.019 0.2614
0.35 42.0 0.4245 0.21
0.45 270.0 -0.0656 0.2153
0.55 246.0 0.1825 0.2217
0.55 258.0 -0.129 0.1672
0.55 270.0 -0.0412 0.1343
0.55 282.0 -0.0316 0.2145
0.65 234.0 0.2401 0.2046
0.65 246.0 -0.0342 0.1456
0.65 258.0 -0.317 0.127
0.65 270.0 -0.1095 0.1377
0.65 282.0 0.3252 0.1932
0.75 126.0 0.4673 0.2015
0.75 138.0 0.035 0.1886
0.75 150.0 0.0499 0.1746
0.75 162.0 -0.1036 0.1935
0.75 222.0 -0.1101 0.2411
0.75 234.0 0.1357 0.1862
0.75 246.0 -0.0736 0.1514
0.75 258.0 0.0441 0.142
0.75 270.0 -0.1673 0.1361
0.75 282.0 -0.0446 0.1568
0.75 294.0 -0.215 0.2508
0.85 114.0 0.4118 0.2285
0.85 126.0 -0.035 0.1862
0.85 138.0 0.1369 0.1786
0.85 150.0 0.3472 0.1458
0.85 162.0 0.0632 0.181
0.85 174.0 -0.1802 0.1732
0.85 186.0 -0.0902 0.2069
0.85 198.0 -0.304 0.2048
0.85 222.0 0.1019 0.2155
0.85 234.0 0.0494 0.2072
0.85 246.0 0.1212 0.1621
0.85 258.0 -0.0079 0.1393
0.85 270.0 0.1599 0.1341
0.85 282.0 -0.2078 0.1705
0.95 102.0 -0.0586 0.2331
0.95 114.0 -0.0142 0.2465
0.95 126.0 -0.133 0.2141
0.95 138.0 0.0264 0.201
0.95 150.0 0.1578 0.2002
0.95 162.0 -0.1945 0.2078
0.95 174.0 -0.024 0.255
0.95 186.0 -0.075 0.2342
0.95 234.0 0.2131 0.2601
0.95 258.0 -0.3363 0.2233
Created in SINP MSU, CLAS Collaboration