LENS: A New Pulsed Neutron Source for Research and Education
نویسندگان
چکیده
A new pulsed neutron source is under construction at the Indiana University Cyclotron Facility (IUCF). Neutrons are produced via (p,n) reactions by a low-energy proton beam incident on a thin beryllium target. The source is tightly coupled to a cold methane moderator held at a temperature of 20 K or below. The resulting time-averaged cold neutron flux is expected to be comparable to that of the Intense Pulsed Neutron Source (IPNS) facility at Argonne National Laboratory. The initial experimental suite will include instrumentation for small angle neutron scattering (SANS), moderator studies, radiography, and zero-field spin-echo SANS.
منابع مشابه
Facility report on the Low Energy Neutron Source
The Low-Energy Neutron Source (LENS) at Indiana University is a new class of pulsed neutron source, whose cost and scale are compatible with a University environment. This smaller scale supports missions that are vital to the health of neutron scattering in an environment increasingly dominated by large user facilities focused, of necessity, on serving the scientific needs of a broad scientific...
متن کاملNeutronic Design and Measured Performance of the Low Energy Neutron Source (LENS) Target Moderator Reflector Assembly
The Low Energy Neutron Source (LENS) is an accelerator-based pulsed cold neutron facility under construction at the Indiana University Cyclotron Facility (IUCF). The idea behind LENS is to produce pulsed cold neutron beams starting with ∼MeV neutrons from (p,n) reactions in Be which are moderated to meV energies and extracted from a small solid angle for use in neutron instruments which can ope...
متن کاملStatus of the low energy neutron source at Indiana University
The National Science Foundation has recently approved funding for LENS (the low energy neutron source) at Indiana University and construction of this facility has begun. LENS represents a new paradigm for economically introducing neutron scattering into a university or industrial setting. In this design, neutrons are produced in a long-pulse (1 ms) mode through (p,n) reactions on a water-cooled...
متن کاملTHE LOW ENERGY NEUTRON SOURCE AT INDIANA UNIVERSITY (an example of the power and versatility of small accelerator-based neutron sources)
The Low Energy Neutron Source (LENS) at Indiana University was built to provide a novel facility for exploring new concepts in neutron scattering, unique opportunities for education in neutron related fields, and to serve as a regional facility for the application of neutron scattering to materials research. The source uses a 13 MeV proton beam to create neutrons in a flat watercooled Be target...
متن کاملبررسی امکان استفاده از چشمه های نوترونی رادیوایزوتوپی در نوترون درمانی با بور
Background : Performing successful BNCT experiments needs a suitable neutron source. Important factors of the neutron beam are flux and energy that are very important in the selection of neutron source. In most centers that use this method for treatment, reactor is a neutron source, which according to characteristics of the reactor appropriated neutrons are very high. High cost of constructin...
متن کامل