First Lattice Study of the $N$-$P_{11}(1440)$ Transition Form Factors
| dc.creator | Lin, Huey-Wen | |
| dc.creator | Cohen, Saul D. | |
| dc.creator | Edwards, Robert G. | |
| dc.creator | Richards, David G. | |
| dc.date | 2008-03-20 | |
| dc.date.accessioned | 2026-07-07T12:26:53Z | |
| dc.date.available | 2026-07-07T12:26:53Z | |
| dc.description | Experiments at Jefferson Laboratory, MIT-Bates, LEGS, Mainz, Bonn, GRAAL, and Spring-8 offer new opportunities to understand in detail how nucleon resonance ($N^*$) properties emerge from the nonperturbative aspects of QCD. Preliminary data from CLAS collaboration, which cover a large range of photon virtuality $Q^2$ show interesting behavior with respect to $Q^2$ dependence: in the region $Q^2 \le 1.5 {GeV}^2$, both the transverse amplitude, $A_{1/2}(Q^2)$, and the longitudinal amplitude, $S_{1/2}(Q^2)$, decrease rapidly. In this work, we attempt to use first-principles lattice QCD (for the first time) to provide a model-independent study of the Roper-nucleon transition form factor. | |
| dc.description | 4 pages, 2 figures, double column | |
| dc.identifier | https://arxiv.org/abs/0803.3020 | |
| dc.identifier | http://arxiv.org/abs/0803.3020 | |
| dc.identifier | Phys.Rev.D78:114508,2008 | |
| dc.identifier | doi:10.1103/PhysRevD.78.114508 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/215026 | |
| dc.subject | High Energy Physics - Lattice | |
| dc.title | First Lattice Study of the $N$-$P_{11}(1440)$ Transition Form Factors | |
| dc.type | text |