重夸克元产氢中阈值双对数的恢复

IF 9 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Physical review letters Pub Date : 2025-02-20 DOI:10.1103/physrevlett.134.071902

Hee Sok Chung, U-Rae Kim, Jungil Lee

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引用次数: 0

摘要

我们恢复了重夸克元的包容生产中出现的阈值双对数。这解决了固定阶微扰理论的灾难性失效，其中大横向动量下的夸克粒子截面可能由于大的辐射修正而变为负的。我们发现恢复对于描述在大横向动量下J/ψ的测量提示产率是必要的。2025年由美国物理学会出版

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Resummation of Threshold Double Logarithms in Hadroproduction of Heavy Quarkonium

We resum threshold double logarithms that appear in inclusive production of heavy quarkonium. This resolves the catastrophic failure of fixed-order perturbation theory where quarkonium cross sections at large transverse momentum can turn negative due to large radiative corrections. We find that resummation is imperative for describing measured prompt production rates of J/ψ at large transverse momentum.

Published by the American Physical Society

2025

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来源期刊

Physical review letters 物理-物理：综合

CiteScore

16.50

自引率

7.00%

发文量

2673

审稿时长

2.2 months

期刊介绍： Physical review letters(PRL)covers the full range of applied, fundamental, and interdisciplinary physics research topics: General physics, including statistical and quantum mechanics and quantum information Gravitation, astrophysics, and cosmology Elementary particles and fields Nuclear physics Atomic, molecular, and optical physics Nonlinear dynamics, fluid dynamics, and classical optics Plasma and beam physics Condensed matter and materials physics Polymers, soft matter, biological, climate and interdisciplinary physics, including networks