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Measurement E151M2531

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: 0.0452
Q2: 0.0121 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.838

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 -0.2753 0.2085
0.35 42.0 0.2043 0.1897
0.35 54.0 -0.0768 0.2148
0.45 30.0 -0.1993 0.2416
0.45 42.0 -0.1728 0.1716
0.45 54.0 0.2675 0.1891
0.45 66.0 0.04 0.2282
0.55 18.0 -0.2012 0.2151
0.55 30.0 0.0043 0.1775
0.55 42.0 -0.0309 0.1563
0.55 54.0 -0.2084 0.1658
0.55 138.0 0.3877 0.2903
0.55 222.0 0.0751 0.2277
0.55 234.0 0.1549 0.1621
0.55 246.0 -0.3934 0.1502
0.55 258.0 -0.4324 0.1776
0.65 42.0 0.032 0.2021
0.65 54.0 -0.026 0.1976
0.65 138.0 0.0397 0.2246
0.65 150.0 0.1596 0.1799
0.65 162.0 0.2898 0.2113
0.65 174.0 0.0908 0.214
0.65 210.0 0.0846 0.2643
0.65 222.0 -0.1938 0.1789
0.65 234.0 0.2751 0.1491
0.65 246.0 -0.209 0.1413
0.65 258.0 -0.0527 0.1693
0.65 270.0 0.2048 0.2265
0.75 138.0 -0.108 0.2061
0.75 150.0 0.1023 0.1808
0.75 162.0 0.1253 0.2251
0.75 174.0 -0.0533 0.2232
0.75 186.0 -0.0286 0.2565
0.75 222.0 -0.1071 0.1586
0.75 234.0 -0.0344 0.1315
0.75 246.0 0.0185 0.1283
0.75 258.0 0.2523 0.168
0.75 270.0 -0.4769 0.2082
0.85 138.0 -0.238 0.2553
0.85 222.0 -0.0633 0.1506
0.85 234.0 0.0291 0.1449
0.85 246.0 0.0005 0.1397
0.85 258.0 0.4269 0.1611
Created in SINP MSU, CLAS Collaboration