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I=1 π-π scattering at the physical point

2021/12/14 by Srijit Paul, Andrew D. Hanlon, Paul, Srijit +10
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-lat

paper · pdf · doi:10.48550/arxiv.2112.07385

9 pages, 5 figures, 1 table, Proceeding for The 38th International Symposium on Lattice Field Theory, LATTICE2021, 26th-30th July, 2021, Zoom/Gather@Massachusetts Institute of Technology

arxiv created 2021/12/14 · openalex publication_date 2021/12/14 · arxiv updated 2021/12/15 · openalex created_date 2022/11/21 · openalex updated_date 2026/07/28

Abstract

We present a preliminary analysis of I=1 π π scattering at the physical point. We make use of the stochastic variant of the distillation framework (also known as sLapH) to compute the relevant two-point correlation matrices using a basis of single and multihadron interpolating operators to estimate the low energy spectra. We perform the Lüscher analysis to determine the scattering phase shift which is finding good agreement with the experimentally obtained phase shifts.

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