CLAS Physics Database

JLab | Search | Overview | Register | Login
◄ ►

Measurement E151M2615

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: 0.0311
Q2: 0.0205 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6495

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 30.0 -0.0788 0.2381
0.25 42.0 0.5146 0.2076
0.25 54.0 0.0756 0.2144
0.35 42.0 -0.1517 0.152
0.35 54.0 -0.1519 0.1544
0.35 66.0 0.2378 0.2431
0.45 30.0 0.4049 0.1861
0.45 42.0 -0.0982 0.162
0.45 54.0 0.1625 0.1435
0.45 66.0 0.2305 0.2389
0.45 222.0 0.1666 0.198
0.45 234.0 0.0373 0.2294
0.45 246.0 0.0369 0.2086
0.45 258.0 -0.0211 0.2424
0.55 30.0 -0.0987 0.2319
0.55 42.0 -0.41 0.1765
0.55 54.0 0.2678 0.1819
0.55 138.0 -0.0507 0.269
0.55 150.0 -0.1928 0.2271
0.55 162.0 -0.009 0.2422
0.55 222.0 0.123 0.1999
0.55 234.0 -0.2295 0.1656
0.55 246.0 -0.0774 0.1647
0.55 258.0 -0.36 0.2366
0.65 138.0 -0.0863 0.2228
0.65 150.0 0.5146 0.1922
0.65 162.0 0.1528 0.1905
0.65 174.0 0.4194 0.2465
0.65 210.0 -0.003 0.2453
0.65 222.0 -0.0654 0.195
0.65 234.0 0.0874 0.1515
0.65 246.0 0.0844 0.1513
0.65 258.0 -0.0243 0.1942
0.75 42.0 0.1338 0.2538
0.75 138.0 -0.2466 0.2324
0.75 150.0 0.0397 0.2486
0.75 162.0 0.3696 0.236
0.75 210.0 0.0012 0.2482
0.75 222.0 0.0647 0.1861
0.75 234.0 -0.0774 0.1666
0.75 246.0 0.0263 0.1668
0.75 258.0 -0.0995 0.175
0.85 222.0 0.0707 0.1829
0.85 234.0 -0.0057 0.1596
0.85 246.0 -0.2113 0.1557
0.85 258.0 -0.0486 0.2154
0.95 234.0 -0.0412 0.2541
Created in SINP MSU, CLAS Collaboration