Spinor Operator Giving Both Angular Momentum and Parity

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dc.creatorMatsuki, T.
dc.creatorMawatari, K.
dc.creatorMorii, T.
dc.creatorSudoh, K.
dc.date2004-08-29
dc.date.accessioned2026-07-07T03:53:16Z
dc.date.available2026-07-07T03:53:16Z
dc.descriptionIn heavy quark effective theory, heavy mesons which contain a heavy quark (or antiquark) are classified by $s_l^{pi_l}$, i.e., the total angular momentum $s_l$ and the parity $pi_l$ of the light quark degrees of freedom around a static heavy quark. In this case, however, one needs to separately estimate the parity other than the angular momentum of a light quark to describe heavy mesons. A new operator $K$ was proposed some time ago by two of us (T.M. and T.M.). In this Letter, we show that the quantum number $k$ of this operator is enough to describe both the total angular momentum of the light quark degrees of freedom and the parity of a heavy meson, and derive a simple relation between $k$ and $s_l^{pi_l}$.
dc.description4 pages, revtex
dc.identifierhttps://arxiv.org/abs/hep-ph/0408326
dc.identifierhttp://arxiv.org/abs/hep-ph/0408326
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/43774
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSpinor Operator Giving Both Angular Momentum and Parity
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