Chiral low-energy constants L_10 and C_87 from hadronic tau decays
| dc.creator | Gonzalez-Alonso, Martin | |
| dc.creator | Pich, Antonio | |
| dc.creator | Prades, Joaquim | |
| dc.date | 2008-10-14 | |
| dc.date | 2008-10-16 | |
| dc.date.accessioned | 2026-07-07T13:09:43Z | |
| dc.date.available | 2026-07-07T13:09:43Z | |
| dc.description | Using recent precise hadronic tau-decay data on the V-A spectral function and general properties of QCD such as analyticity, the operator product expansion and chiral perturbation theory, we get accurate values for the QCD chiral order parameters L_10 and C_87. At order p^4 we obtain L_10^r(M_rho)=-(5.22+-0.06)10^-3, whereas at order p^6 we get L_10^r(M_rho)=-(4.06+-0.39)10^-3 and C_87^r(M_rho) = (4.89+-0.19)10^-3 GeV^-2. | |
| dc.description | 4 pages, 2 figures. Included in the proceedings of the 14th International QCD Conference, July 2008 Montpellier (France) | |
| dc.identifier | https://arxiv.org/abs/0810.2459 | |
| dc.identifier | http://arxiv.org/abs/0810.2459 | |
| dc.identifier | Nucl.Phys.Proc.Suppl.186:171-174,2009 | |
| dc.identifier | doi:10.1016/j.nuclphysbps.2008.12.040 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/228831 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Chiral low-energy constants L_10 and C_87 from hadronic tau decays | |
| dc.type | text |