On unitary unipotent representations of $p$-adic groups and affine Hecke algebras with unequal param

... parameters which appear in Lusztig's classification of unipotent representations for {exceptional} $p$-adic groups. The largest such algebra is of type $F_4.$ Via the Barbasch-Moy correspondence of unitarity applied to this setting, this is equivalent to the identification of the corresponding unitary unipotent representations with real central character of the $p$-adic groups. In order for this ...

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Towards an understanding of a0-f0 mixing. [arXiv:0707.0262v1 CROSS LISTED]

...this approach both mesons are generated through meson-meson dynamics. Thus our results might be considered as benchmark results for the mixing phenomenon within a framework consistent with chiral symmetry and unitarity, where these resonances are not predominantly q q-bar states. Amongst the possible experimental signals, we discuss observable consequences for the reaction J/Psi -> phi pi0 eta in ...

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Published: 2 years ago (Tue, 03 Jul 2007 23:01:20 PDT); 1256 bytes

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Unitarity

On unitary unipotent representations of $p$-adic groups and affine Hecke algebras with unequal param

Towards an understanding of a0-f0 mixing. [arXiv:0707.0262v1 CROSS LISTED]