HEP Highlights

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August 23, 2019
Researchers used the Blanco telescope in conducting the Dark Energy Survey. The Milky Way is on the left of the sky, with the Magellanic clouds in the center.
Survey Delivers on Dark Energy with Multiple Probes
The Dark Energy Survey has delivered dark energy constraints combining information from four of its primary cosmological probes for the first time.
June 13, 2019
Applying a film of superconducting niobium-tin to the inside of an accelerating cavity increases its quality factor—a measure of its efficiency—at a temperature of about -452F (4 Kelvin) by a factor of 10 compared to prior performance.
Superconducting Films for Particle Acceleration
Researchers demonstrated record accelerating cavity performance using a technique that could lead to significant cost savings.
June 7, 2019
Fermilab scientists and engineers have developed a successful prototype particle beam chopper, a critical part of a lab project, PIP-II, to upgrade the injector chain. Engineers will eventually install the device in the front end of the PIP-II accelerator
Parceling Particle Beams
Beam chopper cuts accelerator-generated ion beams under highly demanding conditions.
June 7, 2019
A new method improves the circulating beams in the Recycler Ring (which is located underground, beneath the long, skinny ponds shown here). The ring is a major component of Fermilab’s accelerator chain.
An Interaction of Slipping Beams
Successful models of the fraught dynamics of two particle beams in close contact lead to smoother sailing in an area of particle acceleration.
May 22, 2019
Two-dimensional images of a neutrino interaction in MicroBooNE shown at different stages of signal processing reveal cleaner and cleaner signals.
Extracting Signs of the Elusive Neutrino
Scientists use software to "develop" images that trace neutrinos' interactions in a bath of cold liquid argon.
January 30, 2019
This event display shows the result of a muon neutrino candidate interacting inside the MicroBooNE detector at Fermilab. Cyan shows the energy deposited in electromagnetic shower-like topologies. Yellow shows energy deposited in other line-like topologies
MicroBooNE, Machine Learning, and Liquid Argon
The MicroBooNE experiment demonstrates the use of machine learning to interpret images made by a liquid-argon particle detector.
January 30, 2019
Neutrinos entering the MINERvA detector interact with the detector's atoms, generating new particles before fleeing the scene. The MINERvA experiment used a new investigative technique to better trace those fleeing neutrinos that kicked everything off.
CSI: Neutrinos Cast No Shadows
New crime scene investigation technique offers a hard look at the traces that particles leave before fleeing the scene.
January 30, 2019
The ArgoNeuT detector at Fermilab used liquid argon to detect mysterious particles called neutrinos.
ArgoNeuT Hits a Home Run with Measurements of Neutrinos in Liquid Argon
Scientists developed a method to better distinguish the tracks that particles leave behind in liquid argon.
October 17, 2018
Cryocooler Cools an Accelerator Cavity
Cryocooler Cools an Accelerator Cavity
All SRF particle accelerators to-date use liquid helium to maintain the extremely cold temperatures necessary for sustaining superconductivity.
September 15, 2018
Breaking the Symmetry Between Fundamental Forces
Breaking the Symmetry Between Fundamental Forces
At present, scientists think that at the highest energies and earliest moments in time, all the fundamental forces may have existed as a single
August 28, 2018
Beautiful Higgs Decays
Beautiful Higgs Decays
The 2012 discovery of the Higgs boson marked the beginning of an experimental program aimed at determining the properties of the newly discovered
August 28, 2018
ATLAS Experiment Uncovers Higgs Boson Interactions with Heaviest Quarks
ATLAS Experiment Uncovers Higgs Boson Interactions with Heaviest Quarks
The discovery of the Higgs boson by the ATLAS and CMS collaborations at the Large Hadron Collider in 2012 relied on the observation of Higgs bosons
August 28, 2018
Highest Precision Prediction of Muon “Wobble”
Highest Precision Prediction of Muon “Wobble”
Scientists at Brookhaven National Laboratory (BNL) ran a version of the “muon wobble” experiment, known as “Muon g-2,” in
May 16, 2018
How to Cope with Cases of Mistaken Identity: MINERvA’s Tale of Pions and Neutrinos
How to Cope with Cases of Mistaken Identity: MINERvA’s Tale of Pions and Neutrinos
Scientists are working to resolve a case of mistaken identity in the world of physics. They want to disambiguate two types of neutrinos.
May 16, 2018
Perfecting the Noise-Canceling Neutrino Detector
Perfecting the Noise-Canceling Neutrino Detector
The primary component of the MicroBooNE detector is the TPC—a large, rectangular structure that includes a set of wire planes and readout
December 21, 2017
Studying Crowd Behavior at MINERvA
Studying Crowd Behavior at MINERvA
In the energy range of many oscillation experiments, the dominant interaction process is one in which a neutrino completely scatters off a neutron
December 19, 2017
Proton-Proton Fusion: Powering the Sun
Proton-Proton Fusion: Powering the Sun
The Nuclear Physics with Lattice Quantum Chromodynamics Collaboration (NPLQCD), under the umbrella of the U.S. Quantum Chromodynamics Collaboration
July 7, 2017
Studying Crowd Behavior at MINERvA
Laser Stripping Powers Protons
The conventional method of merging beam pulses starts with an incoming pulse of energized hydrogen ions, H-, or a proton with two electrons, merges
January 26, 2017
Pure as the Driven X-Ray
Pure as the Driven X-Ray
Modern x-ray free-electron lasers use high-energy electrons to produce intense x-ray pulses to study the structure and behavior of matter. However,
December 6, 2016
HEP-2016-12-a-lrg
Shattering Protons in High-Energy Collisions Confirms Higgs Boson Production
The 2012 discovery of a Higgs boson by two of the Large Hadron Collider’s (LHC’s) experiments—ATLAS (for ‎A Toroidal LHC
December 5, 2016
HEP-2016-12-b-lrg
New Limits in the Search for Sterile Neutrinos
The detection of neutrino oscillations, a discovery that garnered the 2015 Nobel Prize in Physics, is a proof that neutrinos have mass –