High statistics light meson spectroscopy with the COMPASS spectrometer

被引：0

作者：

Paul, S. ^{[1
]}

机构：

[1] Tech Univ Munich, Phys Dept E18, D-85748 Garching, Germany

来源：

HADRON 2009 | 2010年 / 1257卷

关键词：

exotic mesons; glueball; partial wave analysis; nuclear effects; diffraction; central production; PP INTERACTIONS; CHANNEL; F(0)(1500); STATE; REST;

D O I：

10.1063/1.3483423

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Hadron spectroscopy is one of the main topics within the COMPASS experiment. Three production mechanisms are used to study exotic states and to search for glueballs: diffractive and central production with pions and protons using a liquid hydrogen target and diffraction and Primakoff reactions with pions impinging on nuclear targets. While the main data taking has been performed in 2008 and 2009, where the statistics of previous experiments has been boosted by a factor 10-100, early measurements with diffractive production on nuclear targets in 2004 have confirmed the existence of an exotic state at a mass around 1.6 GeV. In this paper we report on the final analysis of our 2004 data discussing the evidence for the exotic pi(1600) and show first insights into the results of the analysis from 2008 data using various final states, thus demonstrating the data quality and potential of the COMPASS data set.

引用

页码：69 / 76

页数：8

共 26 条

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