Publications
Publication Information
| Title | Photoproduction of the f2(1270)meson using the CLAS detector |
| Authors | Miranda Carver, Andrea Celentano, Ken Hicks, Luca Marsicano, Vincent Mathieu, Alessandro Pilloni |
| JLAB number | JLAB-PHY-20-3279 |
| LANL number | arXiv:2010.16006 |
| Other number | DOE/OR/23177-5125 |
| Document Type(s) | (Journal Article) |
| Associated with EIC: | No |
| Supported by Jefferson Lab LDRD Funding: | No |
| Funding Source: | Nuclear Physics (NP) |
|
Journal Compiled for Physical Review Letters Volume 126 Page(s) 082002 Refereed | |
| Publication Abstract: | The quark structure of the f2(1270) meson has, for many years, been assumed to be a pure quark-antiquark (qq-bar) resonance with quantum numbers JPC = 2++. Recently, it was proposed that the f2(1270) is a molecular state made from the attractive interaction of two r-mesons. Such a state would be expected to decay strongly to final states with charged pions, due to the dominant decay r -> p+p-, whereas decay to two neutral pions would likely be suppressed. Here, we measure for the first time the reaction gr -> p+p-r, using the CLAS detector at Jefferson Lab for incident beam energies between 3.6-5.4 GeV. Differential cross sections, ds=dt, for f2(1270) photoproduction are extracted with good precision, due to low backgrounds, and are compared with theoretical calculations. |
| Experiment Numbers: | |
| Group: | Hall B |
| Document: | |
| DOI: | https://doi.org/10.1103/PhysRevLett.126.082002 |
| Accepted Manuscript: | 2010.16006.pdf |
| Supporting Documents: | |
| Supporting Datasets: | |