CLAS Physics Database

Measurement E195M18

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′x vs. W (integrated over Q2, cos(θKc.m.))
Coordinate system:
    (x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P′x
Q2: 0.4 — 4.5 GeV2
W: 1.6 — 2.4 GeV
Ebeam: 7.546 GeV
Publication:
D. S. Carman et al. (CLAS Collaboration) Beam-recoil transferred polarization in K + Y electroproduction in the nucleon resonance region with CLAS12 // https://journals.aps.org/prc/abstract/10.1103/PhysRevC.105.065201

Measurement data
W, [GeV] P′x uncertainty
1.6375 -0.04349 0.04186
1.6625 0.03234 0.02948
1.6875 0.03474 0.0243
1.7125 -0.04663 0.02213
1.7375 -0.03388 0.02151
1.7625 0.01819 0.02163
1.7875 -0.00338 0.02222
1.8125 0.00751 0.02265
1.8375 -0.01001 0.02331
1.8625 -0.00504 0.02369
1.8875 -0.02459 0.02433
1.9125 0.01077 0.02547
1.9375 -0.01665 0.02603
1.9625 -0.00129 0.02693
1.9875 0.01002 0.028
2.0125 -0.03261 0.02988
2.0375 -0.027 0.03019
2.0625 0.06119 0.0318
2.0875 0.02388 0.03243
2.1125 -0.04173 0.03351
2.1375 0.04669 0.03422
2.1625 -0.00262 0.03555
2.1875 0.00039 0.03629
2.2125 0.00454 0.03722
2.2375 -0.01195 0.03829
2.2625 0.02489 0.03892
2.2875 -0.05076 0.04021
2.3125 -0.00443 0.04058
2.3375 0.04675 0.04274
2.3625 0.01068 0.04287
2.3875 0.04024 0.04299