Improved instrument for the determination of the neutron electric charge

被引：5
|
作者：
Siemensen, C. [1 ,2 ]
Brose, D. [2 ]
Boehmer, L. [2 ]
Geltenbort, P. [3 ]
Plonka-Spehr, C. [2 ]
机构：
[1] Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany
[2] Johannes Gutenberg Univ Mainz, Inst Nucl Chem, Mainz, Germany
[3] Inst Laue Langevin, Grenoble, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 778卷
关键词：
Neutron charge; Electric charge quantization; Ultracold neutrons; QUANTIZATION;
D O I：
10.1016/j.nima.2015.01.015
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present an improved instrument for the determination of the neutron electric charge with ultracolcl neutrons. Several technical upgrades with respect to a former experiment will be discussed in detail. As a first test, we applied the apparatus to investigate the influence of gravitational attraction by means of a massive block of lead. The calculated sensitivity for a charge measurement is delta q(n) approximate to 2.14 x 10(-20)e/root day. Planned modifications increasing the sensitivity up to delta q(n) approximate to 1.34 x 10(-21)e/root day are demonstrated. (C) 2015 Elsevier EN. All rights reserved.
引用
收藏
页码：26 / 30
页数：5
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