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About HYSPEC

HYSPEC is an acronym for Hybrid Spectrometer, a unique instrument whose concept combines advantages of the time-of-flight (TOF) technique which is traditionally used at the pulsed sources with those of crystal spectrometers which use continuous neutron beams.

It was developed as a collaborative effort of the Instrument Development Team (IDT) composed of scientists from the leading US Universities and National Laboratories and an international group of prominent neutron scattering experts, aimed at designing and building a conceptually new high-flux inelastic neutron spectrometer at the pulsed Spallation Neutron Source (SNS) at Oak Ridge. This effort was initiated and lead by the physicists from the Neutron Scattering Group (and former Center for Neutron Science) at Brookhaven National Laboratory, who lead the HYSPEC IDT.

Construction of the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL) in Tennessee was completed in 2006 and now SNS is ramping up to its target power of 1.4 MW. Already operating at above 1 MW, SNS now provides by far the most intense pulsed neutron beams in the world, opening exciting new opportunities for use in scientific research and industrial development.

HYSPEC is an inelastic thermal neutron spectrometer optimized for studying single crystal samples in a broad variety of sample environments. It is intended to supply users of the SNS and the scientific community with a platform for ground-breaking investigations of the low-energy atomic-scale dynamical properties of crystalline solids. HYSPEC project began in 2001, the IDT Letter of Intent and the funding proposal to the DOE were filed in 2002, and the CD-0 funding decision has been obtained in 2003. HYSPEC construction began in 2005 and has been completed on schedule in 2011. Since 2012 the instrument entered the period of testing, commissioning and operation.  

A unique feature of HYSPEC is its polarization analysis capability, thereby making it the first polarized beam spectrometer in the SNS instrument suite, and the first successful polarized neutron inelastic instrument at a pulsed spallation source in the world.


Last Modified: Wednesday, 01-Oct-2014 15:48:13 EDT
Please forward all questions about this site to: Igor Zaliznyak

:: News :: Announcements ::

HYSPEC news and IDT proposals call for the SNS cycle 2015A

HYSPEC news and IDT proposals call for the SNS cycle 2014A

HYSPEC news and call for the IDT proposals for the SNS cycle 2013B

HYSPEC included in the SNS call for proposals 2013-A, polarized beam successfully tested

HYSPEC first test experiments successfully carried out (SNS release)

Inaugural meeting of the IDT Executive Committee held at the SNS in October, 2011

HYSPEC granted CD-4, first neutrons expected in August, 2011

Instrument Development Team (IDT) met at the ACNS-2010 in Ottawa to discuss HYSPEC science, June 2010

HYSPEC Instrument Development Team (IDT) break-out session at the ICNS-2009

IDT Executive Committee met at the SNS to discuss HYSPEC progress, IDT meeting will be held at the ACNS in Santa Fe  - April, 2008

First poured-in-place concrete shielding installed on HYSPEC BL 14B - January, 2007

HYSPEC bulk shield insert installed - September, 2006

DoE approves CD-3 for HYSPEC following a review in August, 2006

PINS Workshop and HYSPEC IDT Meeting were held at BNL on April 6-7, 2006

HYSPEC NEWS - January 2006

HYSPEC core vessel insert (CVI) installed! - November, 2005

CD-2 for HYSPEC is officially approved by DoE - October, 2005

HYSPEC IDT Executive Committee recommendations -  April 1, 2005

IDT recommends moving HYSPEC to the satellite building outside the target hall

HYSPEC IDT meeting was held at the SNS on September 9-10, 2004.

HYSPEC assigned SNS beamline 14B

HYSPEC NEWS archive