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Conformal symmetry of the Lange-Neubert evolution equation

URN to cite this document:
urn:nbn:de:bvb:355-epub-326500
Braun, Vladimir M. ; Manashov, Alexander

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Date of publication of this fulltext: 26 Oct 2015 14:23



Abstract

The Lange–Neubert evolution equation describes the scale dependence of the wave function of a meson built of an infinitely heavy quark and light antiquark at light-like separations, which is the hydrogen atom problem of QCD. It has numerous applications to the studies of B -meson decays. We show that the kernel of this equation can be written in a remarkably compact form, as a logarithm of the ...

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