CLAS Physics Database

Measurement E151M3074

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: 0.1401
Q2: 0.1205 GeV2
W: 1535.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8411

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 66.0 0.2771 0.2565
0.25 78.0 -0.0232 0.2669
0.25 294.0 0.1701 0.2791
0.35 66.0 -0.1567 0.274
0.35 282.0 -0.096 0.2245
0.45 78.0 -0.0431 0.2425
0.45 114.0 -0.0005 0.2356
0.45 270.0 -0.1163 0.2301
0.45 282.0 -0.0835 0.2181
0.45 294.0 0.1656 0.2631
0.55 114.0 -0.2948 0.2293
0.55 234.0 -0.1067 0.2414
0.55 246.0 0.2323 0.2542
0.55 270.0 0.378 0.2886
0.55 282.0 -0.2605 0.2455
0.65 66.0 -0.1449 0.2302
0.65 102.0 -0.0506 0.2475
0.65 114.0 -0.3618 0.2033
0.65 126.0 -0.1864 0.2117
0.65 138.0 -0.1594 0.2764
0.65 150.0 0.3842 0.2564
0.65 198.0 -0.1732 0.2792
0.65 210.0 0.2198 0.2655
0.65 222.0 -0.1188 0.2264
0.65 234.0 0.1995 0.2005
0.65 246.0 -0.3427 0.2547
0.65 294.0 0.4183 0.2224
0.75 102.0 -0.0214 0.2782
0.75 114.0 0.408 0.2148
0.75 126.0 0.2251 0.2148
0.75 138.0 -0.0741 0.2038
0.75 150.0 0.7216 0.2075
0.75 198.0 -0.3476 0.214
0.75 210.0 -0.0139 0.2063
0.75 222.0 -0.0851 0.1864
0.75 234.0 -0.2261 0.1773
0.75 246.0 -0.2685 0.2501
0.75 258.0 0.0526 0.2686
0.75 282.0 -0.0419 0.2705
0.75 294.0 -0.4803 0.2211
0.85 90.0 0.5586 0.1648
0.85 102.0 -0.5628 0.2229
0.85 138.0 -0.2042 0.2718
0.85 198.0 -0.0882 0.2448
0.85 210.0 0.109 0.2069
0.85 222.0 0.011 0.2361
0.85 234.0 -0.0652 0.1905
0.85 246.0 -0.0314 0.1878
0.85 258.0 0.1064 0.2452
0.85 270.0 -0.0191 0.2652
0.95 102.0 0.2627 0.2514
0.95 114.0 0.5679 0.2089
0.95 198.0 -0.3909 0.2878
0.95 210.0 -0.5254 0.2261
0.95 222.0 0.0582 0.2197
0.95 234.0 -0.5244 0.1843
0.95 246.0 -0.1918 0.213
0.95 258.0 -0.1338 0.2082