Measurement E179M13
Experiment: | SIDIS Dihadron Beam Spin Asymmetry | |
---|---|---|
Year: | 2020 | |
Spokespersons: | C. Dilks, T. Hayward, A. Vossen | |
Reaction: | ep → π π + X | |
Polarization: | beam (longitudinal) | |
Quantity: | ALUsin (2φh−φR) | |
Q2: | 1.0 — 10.6 GeV2 | |
W: | 2.0 — 4.0 GeV | |
x: | 0.06 — 0.77 | |
Ebeam: | 10.6041 GeV | |
Publication: |
T.B. Hayward, C. Dilks, A. Vossen, H. Avakian Observation of Beam Spin Asymmetries in the Process ep→eπ+π-X with CLAS12 //
(submitted to PRL)
|
Q2, [GeV2] | x | M(π+,π−), [GeV] | z | PT, [GeV] | ALUsin (2φh−φR) | uncertainty | syst. uncert. |
---|---|---|---|---|---|---|---|
1.542 | 0.105 | 0.83 | 0.531 | 0.55 | -0.00804853 | 0.00480541 | 0.000453211466235468 |
1.783 | 0.127 | 0.809 | 0.547 | 0.53 | -0.00612413 | 0.00482067 | 0.000514816491208261 |
1.953 | 0.143 | 0.794 | 0.557 | 0.526 | -0.00995933 | 0.00482042 | 0.000991842619305771 |
2.105 | 0.157 | 0.78 | 0.559 | 0.52 | -0.00212618 | 0.00470597 | 0.00121648330165957 |
2.286 | 0.174 | 0.763 | 0.566 | 0.506 | -0.0114937 | 0.00433335 | 0.000671029046457715 |
2.471 | 0.191 | 0.749 | 0.571 | 0.5 | -0.0172202 | 0.00458466 | 0.00117288668907673 |
2.707 | 0.211 | 0.743 | 0.571 | 0.492 | -0.0125572 | 0.00413407 | 0.00076426238811883 |
3.003 | 0.235 | 0.733 | 0.572 | 0.485 | -0.0101401 | 0.00427686 | 0.000696977758975386 |
3.307 | 0.261 | 0.716 | 0.571 | 0.468 | -0.0061605 | 0.00451966 | 0.000852140738321971 |
3.721 | 0.294 | 0.701 | 0.569 | 0.46 | -0.0119858 | 0.00426937 | 0.000827422765116382 |
4.337 | 0.342 | 0.679 | 0.565 | 0.44 | -0.0121361 | 0.00438474 | 0.0010075905026025 |
5.658 | 0.44 | 0.63 | 0.547 | 0.408 | -0.00769028 | 0.00450034 | 0.000768203252140568 |
Measurement comment:
Experiment comment:
Process: ep→eπ+π-X
Data tables have the following columns: