News
LANSCE Briefs
For Lujan Users
The User Program at the Lujan Center will resume 9th January, 2013 and continue to 2nd March, 2013 on the following instruments; NPDF, SMARTS, SPEAR, LQD, Asterix, and PCS. We expect to resume a full User Program (including HIPPO, FDS and HIPD) in the summer of 2013. All experiments that were recently postponed will be rescheduled in 2013. Priority for January through March operation will be determined by the experimental review committee (MPAC) score and by constraints of our interim resumption plan.
For the January through March run cycle the Lujan Center will operate using conservative procedures that control for the vulnerabilities that came to light as a result of the recent contamination event. Our goal is to provide the best service that we can during an interim period of operations interim rules as we continue to refine the ergonomics to ensure safe and secure operations. We ask you for your continued support in this critical interim phase of operation.
We would like to thank the DOE, NNSA, LANL, NSSA and all the users who helped us during the closure and for the contributions that they have made that lead to the resumption of our user activities.
We are very much looking forward to hosting Users in 2013. We wish you a happy and safe holiday season.
Many Thanks,
The Lujan Center |
LANSCE will be closed during the LANL winter holiday December 24 - January 1, 2013 and will reopen January 2, 2013. We wish you a safe and refreshing holiday! |
Gary Holladay
Taking Action in Working Safely
While plugging in a surge protector and checking connections, Holladay was unaware that his right knee, his right elbow, and his feet were brushing against a thin film of powder. On his way out, he ran his hands along the stair railings.
At that point, Holladay's task in ER-1 was complete. He could have headed straight back to his workstation, but Holladay's sound work practices are deeply ingrained.
On August 24, he stepped into the Blue Room's radiation portal monitor, adjacent to ER-1, and the beeps rang out...
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Design and manipulation of macroscopic quantum states in materials
Researchers from DOE's Institute for Quantum Matter at Johns Hopkins University collaborated with Anna Llobet (Lujan Neutron Scattering Center, LANSCE-LC) to discover a new driving force for the emergence of highly entangled quantum states of matter: a mixed-valence-driven heavy fermion state in KNi2Se2. The finding is relevant to a class of materials called "heavy-fermions," metals in which the conduction electrons behave as though they have a mass 10-1000 times that of a normal electron. This happens in systems where individual magnetic electrons become indistinguishable as a result of strong interactions with a bath of non-magnetic conduction electrons. The result is an overall non-magnetic state that is coherent across the material, causing deviations from traditional solid-state theory and behavior. The journal Physical Review B published the research.
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Lujan Center to Resume (Limited) User Program Operations
The User Program at the Lujan Center will resume 9th January, 2013 and continue to 2nd March, 2013 on the following instruments; NPDF, SMARTS, SPEAR, LQD, Asterix, and PCS. We expect to resume a full User Program (including HIPPO, FDS and HIPD) in the summer of 2013. All experiments that were recently postponed will be rescheduled in 2013. Priority for January through March operation will be determined by the experimental review committee (MPAC) score and by constraints of our interim resumption plan.
more...
