Scattering lengths from fluctuations

Marco Guagnelli; Enzo Marinari; Giorgio Parisi

doi:10.1016/0370-2693(90)90431-5

Scattering lengths from fluctuations

Marco Guagnelli^*
, Enzo Marinari
, Giorgio Parisi

^*此作品的通讯作者

University of Rome Tor Vergata
National Institute for Nuclear Physics

科研成果: 期刊稿件 › 文章 › 同行评审

40 引用（Scopus）

摘要

We measure mesonic and meson-nucleon scattering lengths in quenched lattice QCD by monitoring the statistical fluctuations of the mesonic and baryonic propagators. The scattering lengths are related to finite volume effects. We use different lattice sizes (that we find in excellent agreement) and we measure at different β values. We discuss the chiral limit, the isospin content of the observables, and our physical results.

源语言	英语
页（从-至）	188-192
页数	5
期刊	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
卷	240
期	1-2
DOI	https://doi.org/10.1016/0370-2693(90)90431-5
出版状态	已出版 - 19 4月 1990
已对外发布	是

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AU - Marinari, Enzo

AU - Parisi, Giorgio

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N2 - We measure mesonic and meson-nucleon scattering lengths in quenched lattice QCD by monitoring the statistical fluctuations of the mesonic and baryonic propagators. The scattering lengths are related to finite volume effects. We use different lattice sizes (that we find in excellent agreement) and we measure at different β values. We discuss the chiral limit, the isospin content of the observables, and our physical results.

AB - We measure mesonic and meson-nucleon scattering lengths in quenched lattice QCD by monitoring the statistical fluctuations of the mesonic and baryonic propagators. The scattering lengths are related to finite volume effects. We use different lattice sizes (that we find in excellent agreement) and we measure at different β values. We discuss the chiral limit, the isospin content of the observables, and our physical results.

UR - https://www.scopus.com/pages/publications/0011667849

U2 - 10.1016/0370-2693(90)90431-5

DO - 10.1016/0370-2693(90)90431-5

M3 - 文章

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VL - 240

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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Scattering lengths from fluctuations

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