Challenging the standard model by high-precision comparisons of the fundamental properties of protons and antiprotons

Challenging the standard model by high-precision comparisons of the fundamental properties of protons and antiprotons
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通过质子和反质子基本性质的高精度比较挑战标准模型

DOI:
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发表时间:
2018
期刊:
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
影响因子:
--
通讯作者:
C. Smorra
C. Smorra
中科院分区:
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文献类型:
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作者:
S. Ulmer;A. Mooser;H. Nagahama;S. Sellner;C. Smorra

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BASE合作研究质子和反质子的基本性质,如电荷质量比和磁矩,使用先进的低温潘宁陷阱系统。近年来,我们对质子和反质子的磁矩进行了最精确的测量,并对质子与反质子的荷质比进行了最精确的比较。此外,我们已经设置了最严格的限制直接测量的反质子寿命,基于一个独特的水库陷阱技术。我们的物质/反物质比较实验提供了基本电荷-宇称-时间不变性的严格测试,这是粒子物理标准模型的基本对称性之一。本文回顾了物理科学基础的最新成就,并展望了我们在ELENA时代的物理学计划。这篇文章是Theo Murphy会议议题“ELENA时代的反质子物理学”的一部分。
The BASE collaboration investigates the fundamental properties of protons and antiprotons, such as charge-to-mass ratios and magnetic moments, using advanced cryogenic Penning trap systems. In recent years, we performed the most precise measurement of the magnetic moments of both the proton and the antiproton, and conducted the most precise comparison of the proton-to-antiproton charge-to-mass ratio. In addition, we have set the most stringent constraint on directly measured antiproton lifetime, based on a unique reservoir trap technique. Our matter/antimatter comparison experiments provide stringent tests of the fundamental charge–parity–time invariance, which is one of the fundamental symmetries of the standard model of particle physics. This article reviews the recent achievements of BASE and gives an outlook to our physics programme in the ELENA era. This article is part of the Theo Murphy meeting issue ‘Antiproton physics in the ELENA era’.
基于量子逻辑冷却和读出的(反)质子磁矩 CPT 测试
DOI: 10.1142/9789814566438_0011
发表时间: 2014
期刊:
影响因子: --
作者:
M. Niemann;A.-G. Paschke;T. Dubielzig;S. Ulmer;C. Ospelkaus
通讯作者: C. Ospelkaus
DOI: 10.1140/epjst/e2015-02607-4
发表时间: 2015-11
期刊: The European Physical Journal Special Topics
影响因子: --
作者:
C. Smorra;K. Blaum;L. Bojtár;M. Borchert;K. Franke;Takashi Higuchi;N. Leefer;H. Nagahama;Y. Matsuda;A. Mooser;M. Niemann;C. Ospelkaus;C. Ospelkaus;W. Quint;G. Schneider;S. Sellner;T. Tanaka;S. Gorp;J. Walz;Y. Yamazaki;S. Ulmer
通讯作者: C. Smorra;K. Blaum;L. Bojtár;M. Borchert;K. Franke;Takashi Higuchi;N. Leefer;H. Nagahama;Y. Matsuda;A. Mooser;M. Niemann;C. Ospelkaus;C. Ospelkaus;W. Quint;G. Schneider;S. Sellner;T. Tanaka;S. Gorp;J. Walz;Y. Yamazaki;S. Ulmer
DOI: 10.1103/physrevlett.119.033001
发表时间: 2017-07-18
影响因子: 8.6
作者:
Heiss, F.;Koehler-Langes, F.;Sturm, S.
通讯作者: Sturm, S.