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Neutron research

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Displaying 76 - 100 of 1570

Detection of a Pair Density Wavestate in UTe2

June 28, 2023
Author(s)
Qiangqiang Gu, Joseph Carroll, Shuqiu Wang, Sheng Ran, Christopher Broyles, Hasan Siddiquee, Nicholas Butch, Shanta Saha, Johnpierre Paglione, J. Davis, Xiaolong Liu

Mitocans Induce Lipid Flip-Flop and Permeabilize the Membrane to Signal Apoptosis

June 6, 2023
Author(s)
Stuart R. Castillo, Michael H. Nguyen, Mitchell DiPasquale, Elizabeth Kelley, Drew Marquardt
Pancratistatin (PST) and narciclasine (NRC) are natural therapeutic agents which exhibit specificity towards the mitochondria of cancerous cells and initiate apoptosis. Unlike traditional cancer therapeutic agents, PST and NRC are effective, targeted, and

Quantifying Reactor Power Noise - A Case Study on NIST Research Reactor

May 26, 2023
Author(s)
Anil Gurgen, Dagistan Sahin, James R. Whipple
Water cooled reactors experience reactivity changes when voids are present in the coolant. The fraction of coolant in the core diminutions in the event of boiling, and the reactivity feedback can either be positive due to reducing neutron absorption in the

Radiation Monitoring System Upgrade for the NBSR

May 25, 2023
Author(s)
James R. Whipple, Dagistan Sahin, Yehonatan Zino
The Radiation Monitoring System (RMS) at the NIST Center for Neutron Research (NCNR) Reactor (National Bureau of Standards Reactor – NBSR) has demonstrated reliability issues due to outdated hardware and lack of vendor support. The existing radiation

The Complex, Unique and Powerful Imaging Instrument for Dynamics (CUPI2D) at the Spallation Neutron Source

May 12, 2023
Author(s)
Adrian Brugger, Alexandru Biris, Jason Harp, Matthew Connolly, George Nelson, Fernando Luis Esteban Florez, Hassina Bilheux, Jiao Lin, Jeffrey Warren, Andrew Kiss, Roland Pellenq, Ann Junghans, Jonathan Morris, Alexander Long, Anton Tremsin, Andrea Strzelec, Mark Anderson, Robert Agasie, Charles FINNEY, Martin Wissink, MIJA HUBLER, Claire White, Brent Heuser, Aaron Craft, Chuting Tan, Kathryn Morris, Sanna Sevanto, Nikolay Kardjilov, Burkhard Schillinger, Matthew Frost, Sven C. Vogel, Maria Cekanova
The Oak Ridge National Laboratory is planning to build the Second Target Station (STS) at the Spallation Neutron Source (SNS). STS will host a suite of novel instruments that complements the First Target Station's beamline capabilities by offering

Dynamics of the Extended and Intermediate Range Order in Model Polymer Electrolyte Poly(Ethylene Oxide) and Lithium Bis(Trifluoromethanesulfonyl)imide

April 17, 2023
Author(s)
Peter Falus, Antonio Faraone, Stephan Forster, Kunlun Hong, Michael Ohl
The dynamics of lithium ions and polymer chains were investigated at the molecular scale in the model polymer electrolyte Poly (Ethylene Oxide) (PEO)/Lithium bis(trifluoromethanesulfonyl)imide as a function of temperature. This system is known to present

Investigating the Effect of Medium Chain Triglycerides on the Elasticity of Pulmonary Surfactant

April 17, 2023
Author(s)
Dominik Dziura, Stuart R. Castillo, Mitchell DiPasquale, Omotaya Gbadamosi, Piotr Zolnierczuk, Michihiro Nagao, Elizabeth Kelley, Drew Marquardt
In recent years, vaping has increased in both popularity and ease of access. This has led to an outbreak of a relatively new condition known as e-cigarette/vaping-associated lung injury (EVALI). This injury can be caused by physical interactions between

Modeling Approach for the Design of the NIST Neutron Source

April 16, 2023
Author(s)
Abdullah Weiss, Osman Celikten, Anil Gurgen, Joy Shen, Dagistan Sahin, Yaniv Shaposhnik
The NIST Neutron Source, or NNS, is a proposed new research reactor at the NIST Center for Neutron Research to replace the currently operational, but aging, National Bureau of Standards Reactor (NBSR). The NNS is currently in the pre-conceptual design

Neutron Interferometry Using a Single Modulated Phase Grating

April 1, 2023
Author(s)
Ivan Hidrovo, Joynoi Dey, Daniel Hussey, Nikolai Klimov, Leslie Butler, Kum Ham, W Newhauser
Neutron grating interferometry provides information on phase and small-angle scatter in addition to attenuation. Previously, phase grating moiré interferometers (PGMI) with two or three phase gratings have been developed. These phase-grating systems use

A Goldilocks Approach to Water Management: Amphiphilic Porous Transport Layers for Unitized Reversible Fuel Cells

March 14, 2023
Author(s)
Siddharth Komini Babu, Abdurrahman Yilmaz, Md Aman Uddin, Jacob LaManna, Elias Baltic, David Jacobson, Ugur Pasaogullari, Jacob Spendelow
Unitized reversible fuel cells (URFCs) are a promising option for both local and grid-scale energy storage, and could help facilitate the deployment of intermittent renewable power sources. URFCs consist of a single cell that operates in both fuel cell (FC