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K → ππ decay amplitudes from the lattice

✍ Scribed by Changhoan Kim; Norman H. Christ

Book ID
104354325
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
88 KB
Volume
119
Category
Article
ISSN
0920-5632

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✦ Synopsis

In order to directly compute physical two-pion K-decay amplitudes using lattice methods we must prepare a two-pion state with non-zero relative momentum. Building upon a proposal of Lellouch and Liischer. wt= describe a finite-volume method to realize such a state as the lowest energy state of two pions.

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