CLAS Physics Database

Measurement E151M2567

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: 0.0057
Q2: 0.0023 GeV2
W: 1385.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7727

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 42.0 -0.18 0.2533
0.45 54.0 -0.0187 0.1797
0.45 222.0 -0.1484 0.1946
0.45 234.0 -0.3751 0.2373
0.55 42.0 0.1348 0.2015
0.55 54.0 0.3477 0.1532
0.55 66.0 -0.5116 0.2117
0.55 150.0 -0.1283 0.1997
0.55 162.0 -0.0552 0.2539
0.55 174.0 0.2681 0.2317
0.55 210.0 -0.0653 0.2219
0.55 222.0 0.0956 0.2088
0.55 234.0 0.0673 0.1479
0.55 246.0 -0.0086 0.1889
0.55 258.0 0.0948 0.2474
0.65 18.0 0.0018 0.2401
0.65 30.0 -0.0164 0.1787
0.65 42.0 -0.1123 0.1554
0.65 54.0 -0.0159 0.1326
0.65 66.0 0.0031 0.256
0.65 138.0 -0.0605 0.2354
0.65 150.0 -0.2558 0.2137
0.65 162.0 0.3336 0.1857
0.65 174.0 -0.3407 0.2038
0.65 186.0 -0.3384 0.2385
0.65 210.0 -0.1623 0.2044
0.65 222.0 0.1266 0.1741
0.65 234.0 -0.2391 0.1309
0.65 246.0 -0.1786 0.1535
0.65 258.0 -0.1891 0.2467
0.75 54.0 -0.6007 0.1638
0.75 150.0 0.0738 0.2475
0.75 162.0 -0.2294 0.226
0.75 186.0 0.0534 0.2652
0.75 210.0 -0.6311 0.1549
0.75 222.0 0.0618 0.1592
0.75 234.0 0.0276 0.1476
0.75 246.0 0.1167 0.1541
0.75 258.0 0.0832 0.2581
0.85 210.0 -0.264 0.253
0.85 222.0 -0.0682 0.1974
0.85 234.0 -0.1322 0.1729
0.85 246.0 0.1405 0.1748