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New Resolution Record, Bubble Blowing Battery, Forces that Align Crystals, and More in the DOE Science News Source

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Gravitationally Lensed Supernova, New Mars Rover Lab, Hubble Snaps Two Spiral Galaxies, and More in the Space News Source

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SLAC National Accelerator Laboratory, Femtosecond

How Do You Make a Femtosecond Light Source?

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Agostino “Ago” Marinelli first met pioneering accelerator physicist Claudio Pellegrini as an undergraduate student at the University of Rome. It was 2007, a couple of years before the Linac Coherent Light Source (LCLS) came online at SLAC, and people were abuzz about free-electron laser physics.

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topological, topological insulator, Materials Science, materials sciences, Topology, X-rays, X-Ray, Synchrotron, Berkeley, Lawrence, Lawrence Berkeley National Laboratory, LBNL, Department Of Energy, Nobel Prize In Physics, topological matter, Quantum Physics, Particle Physics, Physics, Princeton University, Advanced Light Source

How X-Rays Pushed Topological Matter R&D Over the Top

Pioneering X-ray experiments at Berkeley Lab's Advanced Light Source (ALS) helped bring to life decades-old theories about exotic topological states of matter, and the ALS continues to play an important role in this flourishing field of research.

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SLAC National Accelerator Laboratory, Biological Science, X-ray science, X-ray Scattering and Detection, x-ray diffraction, lightsource, LCLS , Linac Coherent Light Source, DNA, radiation damage

Scientists Watch a Molecule Protect Itself From Radiation Damage

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When DNA is hit with ultraviolet light, it can lose excess energy from radiation by ejecting the core of a hydrogen atom — a single proton — to keep other chemical bonds in the system from breaking. To gain insight into this process, researchers used X-ray laser pulses from the Linac Coherent Light Source (LCLS) at the Department of Energy’s SLAC National Accelerator Laboratory to investigate how energy from light transforms a relatively simple molecule, 2-thiopyridone.

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Basic Energy Sciences, Electron Beam, Nature Photonics, SLAC National Accelerator Laboratory, X Rays, X Ray, X-Ray, X-rays, Free Electron Laser, Electrons, Lasers, Laser Pulse, Laser Pulses, echo-enabled harmonic generation, nanometer resolved image , Nanometer Scale, atomic resolution, High Energy Physics, Physics, Chemistry

Pure as the Driven X-Ray

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Seeding x-ray free electron lasers with customized electron beams produces incredibly stable laser pulses that could enable new scientific discoveries.

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Materials Science & Engineering, materials science engineering, Materials Science, materials sciences, material sciences, Applied Physics Letters, SLAC National Accelerator Laboratory, Basic Energy Sciences, phonon, phonon interactions, Phonons, electron diffraction, Electrons, high energy electrons, atomic motion, Atoms, Lasers, vibrational state of atoms

High-Energy Electrons Probe Ultrafast Atomic Motion

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Researchers built a new technique that uses synchronized high-energy electrons with an ultrafast laser pulse to probe how vibrational states of atoms change in time.

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A Quark Like No Other, Biophysics Plays Key Role in Immune System Signaling and Response, ALMA Reveals Sun in New Light, and MORE in the Physics News Source Sponsored by AIP

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High Energy Physics, Physics, Minos, Daya Bay, Bugey-3 experiment, Physical Review Letters , sterile neutrinos, Neutrinos, Standard Model, Standard Model of physics, Physics research, Brookhaven National Lab, Brookhaven National Laboratory, Particle Physics, dark world, Dark Matter, dark matter behavior, Standard Model of Particle Physics

New Limits in the Search for Sterile Neutrinos

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Sterile neutrinos could be part of the mysterious “dark world,” including the dark matter that makes up about a quarter of the universe. True evidence that sterile neutrinos exist would change our understanding of the universe. This study narrows the search for these particles.







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