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I=2 Pion Scattering Length from Two-Pion Wave Function | | N. Ishizuka
; T. Yamazaki
; | | Date: |
26 Sep 2003 | | Subject: | hep-lat | | Abstract: | We present a preliminary report on a calculation of scattering length for I=2 $S$-wave two-pion system directly from the two-pion wave function. Results are compared with those calculated from the time dependence of two-pion four-point functions. Calculations are made with an RG-improved action for gluons and improved Wilson action for quarks at $a^{-1}=1.207(12)$ GeV on $20^3 imes 48$ and $24^3 imes 48$ lattices. | | Source: | arXiv, hep-lat/0309168 | | Services: | Forum | Review | PDF | Favorites | |
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