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Measurement E151M2502

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: 0.5212
Q2: 0.1435 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7687

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
-0.05 42.0 -0.184 0.2589
0.05 42.0 -0.0033 0.2458
0.15 42.0 0.4698 0.2187
0.45 270.0 -0.1747 0.1989
0.45 282.0 0.3464 0.2057
0.45 294.0 -0.3291 0.2275
0.55 258.0 0.0522 0.1928
0.55 270.0 -0.2104 0.1863
0.55 282.0 0.0681 0.1944
0.55 294.0 -0.0513 0.2535
0.65 246.0 0.0036 0.2245
0.65 258.0 -0.2013 0.1776
0.65 270.0 -0.097 0.1717
0.65 282.0 -0.0043 0.1632
0.65 294.0 0.1208 0.1923
0.75 138.0 0.3968 0.2491
0.75 246.0 -0.1209 0.2077
0.75 258.0 -0.388 0.1823
0.75 270.0 -0.2411 0.177
0.75 282.0 0.1548 0.1655
0.75 294.0 0.0202 0.1898
0.85 114.0 0.0144 0.2267
0.85 126.0 -0.1055 0.1979
0.85 138.0 0.3283 0.1746
0.85 150.0 -0.092 0.1798
0.85 162.0 -0.1838 0.2109
0.85 174.0 0.271 0.2097
0.85 186.0 -0.0614 0.2148
0.85 198.0 -0.0646 0.2399
0.85 210.0 0.0099 0.2431
0.85 246.0 -0.2014 0.2495
0.85 258.0 -0.4513 0.2007
0.85 270.0 -0.1477 0.1782
0.85 282.0 -0.1352 0.1794
0.85 294.0 -0.038 0.2172
0.95 114.0 0.0959 0.2341
0.95 126.0 0.0861 0.2499
0.95 138.0 -0.0204 0.2093
0.95 150.0 -0.08 0.2153
0.95 162.0 0.1407 0.216
0.95 174.0 0.0949 0.227
0.95 186.0 0.4097 0.187
0.95 198.0 -0.2919 0.2254
0.95 210.0 -0.1884 0.2188
Created in SINP MSU, CLAS Collaboration