New source for ultracold neutrons at the Institut Laue-Langevin

被引：44

作者：

Piegsa, F. M. ^{[1
,2
]}

Fertl, M. ^{[1
,3
]}

Ivanov, S. N. ^{[1
]}

Kreuz, M. ^{[1
]}

Leung, K. K. H. ^{[1
]}

Schmidt-Wellenburg, P. ^{[1
,3
]}

Soldner, T. ^{[1
]}

Zimmer, O. ^{[1
]}

机构：

[1] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France

[2] ETH, Inst Particle Phys, CH-8093 Zurich, Switzerland

[3] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

PHYSICAL REVIEW C | 2014年 / 90卷 / 01期

关键词：

DIAMOND-LIKE CARBON; COLD NEUTRONS; SEARCH; UCN; STORAGE; HELIUM;

D O I：

10.1103/PhysRevC.90.015501

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A new intense superthermal source for ultracold neutrons (UCN) was installed at a dedicated beam line at the Institut Laue-Langevin. Incident neutrons with a wavelength of 0.89 nm are converted to UCN in a 5-liter volume filled with superfluid He-4 at a temperature of about 0.7 K. The UCN can be extracted to room temperature experiments. We present the cryogenic setup of the source, a characterization of the cold neutron beam, and UCN production measurements, where a UCN density in the production volume of at least 55 per cm(3) was determined.

引用

页数：10

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