E-89-039
- Spokespersons
- S. Dytman, K. Giovanetti
- Year
- 2007
- Abstract
- New cross sections for the reaction ep to e eta p are reported for total center of mass energy W=1.5-2.3 GeV and invariant squared momentum transfer Q2=0.13-3.3 GeV2. This large kinematic range allows extraction of important new information about response functions, photocouplings, and eta-N coupling strengths of baryon resonances. A sharp structure is seen at W ~ 1.7 GeV. The shape of the differential cross section is indicative of the presence of a P-wave resonance which persists to high Q2. Improved values are derived for the photon coupling amplitude for the S11(1535) resonance. This is the first consistent interpretation over a large range of Q2.
- Publication
-
- H. Denizli, J. Mueller, S. Dytman, M.L. Leber, R.D. Levine, J. Miles, K.Y. Kim, and CLAS Collaboration Q2 dependence of the S11(1535) Photocoupling and Evidence for a P-wave resonance in η electroproduction //
- Quantities
- σ dσ/dΩ dσ/dΩT+ε·dσ/dΩL AsymLT AsymTT
Measurements
ID | Quantity | Beam | Target | Final state |
Q2min, GeV2 |
Q2max, GeV2 |
Wmin, GeV |
Wmax, GeV |
---|---|---|---|---|---|---|---|---|
E102M201 | AsymLT | e | p | η p | 0.6 | 1.0 | 1.77 | 1.79 |
E102M202 | AsymLT | e | p | η p | 0.6 | 1.0 | 1.79 | 1.81 |
E102M203 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.49 | 1.51 |
E102M204 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.51 | 1.53 |
E102M205 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.53 | 1.55 |
E102M206 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.55 | 1.57 |
E102M207 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.57 | 1.59 |
E102M208 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.59 | 1.61 |
E102M209 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.61 | 1.63 |
E102M210 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.63 | 1.65 |
E102M211 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.65 | 1.67 |
E102M212 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.65 | 1.69 |
E102M213 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.67 | 1.71 |
E102M214 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.69 | 1.73 |
E102M215 | AsymLT | e | p | η p | 1.0 | 1.4 | 1.71 | 1.75 |
E102M216 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.49 | 1.51 |
E102M217 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.51 | 1.53 |
E102M218 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.53 | 1.55 |
E102M219 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.55 | 1.57 |
E102M220 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.57 | 1.59 |
E102M221 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.59 | 1.61 |
E102M222 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.61 | 1.63 |
E102M223 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.63 | 1.65 |
E102M224 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.65 | 1.67 |
E102M225 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.67 | 1.69 |
E102M226 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.69 | 1.71 |
E102M227 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.71 | 1.73 |
E102M228 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.73 | 1.75 |
E102M229 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.75 | 1.77 |
E102M230 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.77 | 1.79 |
E102M231 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.79 | 1.81 |
E102M232 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.81 | 1.83 |
E102M233 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.83 | 1.85 |
E102M234 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.85 | 1.87 |
E102M235 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.87 | 1.89 |
E102M236 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.89 | 1.91 |
E102M237 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.91 | 1.93 |
E102M238 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.93 | 1.95 |
E102M239 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.95 | 1.97 |
E102M240 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.97 | 1.99 |
E102M241 | AsymLT | e | p | η p | 1.3 | 2.1 | 1.99 | 2.01 |
E102M242 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.49 | 1.51 |
E102M243 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.51 | 1.53 |
E102M244 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.53 | 1.55 |
E102M245 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.55 | 1.57 |
E102M246 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.57 | 1.59 |
E102M247 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.59 | 1.61 |
E102M248 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.61 | 1.63 |
E102M249 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.63 | 1.65 |
E102M250 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.65 | 1.67 |
E102M251 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.65 | 1.69 |
E102M252 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.67 | 1.71 |
E102M253 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.69 | 1.73 |
E102M254 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.71 | 1.75 |
E102M255 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.73 | 1.77 |
E102M256 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.75 | 1.79 |
E102M257 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.77 | 1.81 |
E102M258 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.79 | 1.83 |
E102M259 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.81 | 1.85 |
E102M260 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.83 | 1.87 |
E102M261 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.85 | 1.89 |
E102M262 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.87 | 1.91 |
E102M263 | AsymLT | e | p | η p | 2.1 | 2.9 | 1.89 | 1.93 |
E102M264 | AsymTT | e | p | η p | 0.2 | 0.4 | 1.49 | 1.51 |
E102M265 | AsymTT | e | p | η p | 0.2 | 0.4 | 1.51 | 1.53 |
E102M266 | AsymTT | e | p | η p | 0.2 | 0.4 | 1.53 | 1.55 |
E102M267 | AsymTT | e | p | η p | 0.2 | 0.4 | 1.55 | 1.57 |
E102M268 | AsymTT | e | p | η p | 0.2 | 0.4 | 1.57 | 1.59 |
E102M269 | AsymTT | e | p | η p | 0.2 | 0.4 | 1.59 | 1.61 |
E102M270 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.49 | 1.51 |
E102M271 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.51 | 1.53 |
E102M272 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.53 | 1.55 |
E102M273 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.55 | 1.57 |
E102M274 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.57 | 1.59 |
E102M275 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.59 | 1.61 |
E102M276 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.61 | 1.63 |
E102M277 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.63 | 1.65 |
E102M278 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.65 | 1.67 |
E102M279 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.67 | 1.69 |
E102M280 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.69 | 1.71 |
E102M281 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.71 | 1.73 |
E102M282 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.73 | 1.75 |
E102M283 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.75 | 1.77 |
E102M284 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.77 | 1.79 |
E102M285 | AsymTT | e | p | η p | 0.6 | 1.0 | 1.79 | 1.81 |
E102M286 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.49 | 1.51 |
E102M287 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.51 | 1.53 |
E102M288 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.53 | 1.55 |
E102M289 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.55 | 1.57 |
E102M290 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.57 | 1.59 |
E102M291 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.59 | 1.61 |
E102M292 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.61 | 1.63 |
E102M293 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.63 | 1.65 |
E102M294 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.65 | 1.67 |
E102M295 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.65 | 1.69 |
E102M296 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.67 | 1.71 |
E102M297 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.69 | 1.73 |
E102M298 | AsymTT | e | p | η p | 1.0 | 1.4 | 1.71 | 1.75 |
E102M299 | AsymTT | e | p | η p | 1.3 | 2.1 | 1.49 | 1.51 |
E102M300 | AsymTT | e | p | η p | 1.3 | 2.1 | 1.51 | 1.53 |