Bounds on neutron-mirror neutron mixing from pulsar timing

被引：33

作者：

Goldman, I. ^{[1
,2
]}

Mohapatra, R. N. ^{[3
,4
]}

Nussinov, S. ^{[1
]}

机构：

[1] Tel Aviv Univ, Sch Phys & Astron, IL-6997801 Tel Aviv, Israel

[2] Afeka Tel Aviv Engn Coll, Dept Phys, IL-6997801 Tel Aviv, Israel

[3] Univ Maryland, Maryland Ctr Fundamental Phys, College Pk, MD 20742 USA

[4] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW D | 2019年 / 100卷 / 12期

基金：

美国国家科学基金会;

关键词：

DARK-MATTER; OSCILLATIONS; CONSTRAINTS; NEUTRINOS; SYMMETRY; WORLD; LIMIT;

D O I：

10.1103/PhysRevD.100.123021

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The possibility of neutron-mirror neutron transition has recently been discussed both from theoretical and experimental perspectives. We point out that such a transition would imply mass loss in neutron stars leading to a significant change of the orbital period of neutron star binary systems. Known limits on the period changes of such binaries therefore put strong limits on the above transition rate and hence on the n - n' mixing parameter epsilon'. These considerations exclude a large range of epsilon' even if the n - n' mass difference is delta m' as large as a few MeV. Our limits also exclude a large range of the values required to explain the neutron decay anomaly via n - n' mixing.

引用

页数：7

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