用SND检测器测量${{e}^{ + }}{{e}^{ - }} \to {{\pi }^{ + }}{{\pi }^{ - }}2{{\pi }^{0}}\eta $横截面

IF 0.5 4区物理与天体物理 Q4 PHYSICS, PARTICLES & FIELDS

Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI:10.1134/S106377962470165X

A. A. Botov, M. N. Achasov, A. Yu. Barnyakov, K. I. Beloborodov, A. V. Berdyugin, A. G. Bogdanchikov, T. V. Dimova, V. P. Druzhinin, V. N. Zhabin, L. V. Kardapoltsev, D. P. Kovrizhin, A. A. Korol, A. S. Kupich, A. P. Kryukov, N. A. Melnikova, N. Yu. Muchnoy, A. E. Obrazovsky, E. V. Pakhtusova, K. V. Pugachev, S. I. Serednyakov, Z. K. Silagadze, I. K. Surin, A. G. Kharlamov, D. A. Shtol

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引用次数: 0

摘要

利用2011年、2012年和2019-2021年在VEPP-2000 ${{e}^{ + }}{{e}^{ - }}$ -对撞机上使用SND探测器收集的数据，研究了${{e}^{ + }}{{e}^{ - }} \to {{\pi }^{ + }}{{\pi }^{ - }}2{{\pi }^{0}}\eta $过程。在1.55 ～ 2 GeV的质心能量区测量了这一过程的横截面。采用向量优势模型（VDM）拟合了具有$\rho (1700)$和$\rho (2150)$共振的截面。与先前在BABAR检测器上的唯一测量结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

$Measuring the ${{e}^{ + }}{{e}^{ - }} \to {{\pi }^{ + }}{{\pi }^{ - }}2{{\pi }^{0}}\eta $ Cross Section with the SND Detector$

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Measuring the ${{e}^{ + }}{{e}^{ - }} \to {{\pi }^{ + }}{{\pi }^{ - }}2{{\pi }^{0}}\eta $ Cross Section with the SND Detector

The ${{e}^{ + }}{{e}^{ - }} \to {{\pi }^{ + }}{{\pi }^{ - }}2{{\pi }^{0}}\eta $ process was studied by using the data collected with the SND detector at the VEPP-2000 ${{e}^{ + }}{{e}^{ - }}$-collider in 2011, 2012, and 2019–2021. The cross section of this process was measured in the center-of-mass energy region from 1.55 to 2 GeV. The cross section was fitted well by the vector dominance model (VDM) with the $\rho (1700)$ and $\rho (2150)$ resonances. Comparison with the only previous measurement at the BABAR detector was performed.

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来源期刊

Physics of Particles and Nuclei 物理-物理：粒子与场物理

CiteScore

1.00

自引率

0.00%

发文量

116

审稿时长

6-12 weeks

期刊介绍： The journal Fizika Elementarnykh Chastits i Atomnogo Yadr of the Joint Institute for Nuclear Research (JINR, Dubna) was founded by Academician N.N. Bogolyubov in August 1969. The Editors-in-chief of the journal were Academician N.N. Bogolyubov (1970–1992) and Academician A.M. Baldin (1992–2001). Its English translation, Physics of Particles and Nuclei, appears simultaneously with the original Russian-language edition. Published by leading physicists from the JINR member states, as well as by scientists from other countries, review articles in this journal examine problems of elementary particle physics, nuclear physics, condensed matter physics, experimental data processing, accelerators and related instrumentation ecology and radiology.

用SND检测器测量\({{e}^{ + }}{{e}^{ - }} \to {{\pi }^{ + }}{{\pi }^{ - }}2{{\pi }^{0}}\eta \)横截面

摘要