EG1
- Spokespersons
- P. Stoler, V. Burkert, R. Minehart
- Year
- 2000
- Abstract
- An extensive experimental program to measure the spin structure of the nucleons is carried out in Hall B with the CLAS detector at Jefferson Lab using a polarized electron beam incident on a polarized target. Spin degrees of freedom offer the possibility to test, in an independent way, existing models of resonance electroproduction. The most accessible resonance is the Delta(1232) since it does not overlap with other states and decays strongly via pi emission. The present analysis selects the Delta(1232) and the higher W region in the exclusive channel vec p(vec e,e',p)pi0 from data taken in 2000-2001, to extract single and double asymmetries in a Q2 range from 0.2 to 0.75 GeV2. Results of the asymmetries will be presented as a function of the center of mass decay angles of the pi0.
- Publication
-
- under preparation //
- Quantities
- Abt(θπ, φπ) At(θπ, φπ)
Measurements
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ID | Quantity | Beam | Target | Final state |
Q2min, GeV2 |
Q2max, GeV2 |
Wmin, GeV |
Wmax, GeV |
---|---|---|---|---|---|---|---|---|
E11M1 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.1 | 1.15 |
E11M2 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.15 | 1.2 |
E11M3 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.2 | 1.25 |
E11M4 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.25 | 1.3 |
E11M5 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.3 | 1.4 |
E11M6 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.4 | 1.5 |
E11M7 | Abt(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.5 | 1.6 |
E11M8 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.1 | 1.15 |
E11M9 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.15 | 1.2 |
E11M10 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.2 | 1.25 |
E11M11 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.25 | 1.3 |
E11M12 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.3 | 1.4 |
E11M13 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.4 | 1.5 |
E11M14 | Abt(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.5 | 1.6 |
E11M15 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.1 | 1.15 |
E11M16 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.15 | 1.2 |
E11M17 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.2 | 1.25 |
E11M18 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.25 | 1.3 |
E11M19 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.3 | 1.4 |
E11M20 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.4 | 1.5 |
E11M21 | Abt(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.5 | 1.6 |
E11M22 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.1 | 1.15 |
E11M23 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.15 | 1.2 |
E11M24 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.2 | 1.25 |
E11M25 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.25 | 1.3 |
E11M26 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.3 | 1.4 |
E11M27 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.4 | 1.5 |
E11M28 | At(θπ, φπ) | e | p | π0p | 0.223 | 0.379 | 1.5 | 1.6 |
E11M29 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.1 | 1.15 |
E11M30 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.15 | 1.2 |
E11M31 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.2 | 1.25 |
E11M32 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.25 | 1.3 |
E11M33 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.3 | 1.4 |
E11M34 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.4 | 1.5 |
E11M35 | At(θπ, φπ) | e | p | π0p | 0.379 | 0.54 | 1.5 | 1.6 |
E11M36 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.1 | 1.15 |
E11M37 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.15 | 1.2 |
E11M38 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.2 | 1.25 |
E11M39 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.25 | 1.3 |
E11M40 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.3 | 1.4 |
E11M41 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.4 | 1.5 |
E11M42 | At(θπ, φπ) | e | p | π0p | 0.54 | 0.77 | 1.5 | 1.6 |
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