Regarding the axial-vector mesons

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dc.creatorLi, De-Min
dc.creatorMa, Bing
dc.creatorYu, Hong
dc.date2005-09-21
dc.date2005-09-22
dc.date.accessioned2026-07-07T10:29:42Z
dc.date.available2026-07-07T10:29:42Z
dc.descriptionThe implications of the $f_1(1285)-f_1(1420)$ mixing for the $K_1(^3P_1)-K_1(^1P_1)$ mixing angle is investigated. Based on the $f_1(1285)-f_1(1420)$ mixing angle $\sim 50^\circ$ suggested from the analysis for a substantial body of data concerning the $f_1(1420)$ and $f_1(1285)$, the masses of the $K_1(^3P_1)$ and $K_1(^1P_1)$ are determined to be $\sim 1307.35\pm 0.63$ MeV and $1370.03\pm 9.69$ MeV, respectively, which therefore suggests that the $K_1(^3P_1)-K_1(^1P_1)$ mixing angle is about $\pm (59.55\pm 2.81)^\circ$. Also, it is found that the mass of the $h^\prime_1(^1P_1)$ (mostly of $s\bar{s}$) state is about $1495.18\pm 8.82$ MeV. Comparison of the predicted results and the available experimental information of the $h_1(1380)$ shows that without further confirmation on the $h_1(1380)$, the assignment of the $h_1(1380)$ as the $s\bar{s}$ member of the $^1P_1$ meson nonet may be premature.
dc.description11 pages, some typos corrected, accepted for publication in Eur. Phys. J. A
dc.identifierhttps://arxiv.org/abs/hep-ph/0509215
dc.identifierhttp://arxiv.org/abs/hep-ph/0509215
dc.identifierEur.Phys.J.A26:141-145,2005
dc.identifierdoi:10.1140/epja/i2005-10155-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177894
dc.subjectHigh Energy Physics - Phenomenology
dc.titleRegarding the axial-vector mesons
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