M. Wallbank
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View article: Accelerators for the Future: R&D at the Fermilab FAST Facility
Accelerators for the Future: R&D at the Fermilab FAST Facility Open
High energy physics in the U.S. has ambitious plans requiring new and improved accelerator technologies, including an upgraded complex at Fermilab for DUNE, next-generation light sources, and the potential of a future collider to be built …
View article: Realizing Steady-State Microbunching with Optical Stochastic Crystallization
Realizing Steady-State Microbunching with Optical Stochastic Crystallization Open
Optical Stochastic Cooling (OSC) is a state-of-the-art beam cooling technology first demonstrated in 2021 at the IOTA storage ring at Fermilab's FAST facility. A second phase of the research program is planned to run in early 2025 and will…
View article: Realizing Steady-State Microbunching with Optical Stochastic Crystallization
Realizing Steady-State Microbunching with Optical Stochastic Crystallization Open
Optical Stochastic Cooling (OSC) is a state-of-the-art beam cooling technology first demonstrated in 2021 at the IOTA storage ring at Fermilab's FAST facility. A second phase of the research program is planned to run in early 2025 and will…
View article: New Advances in Optical Stochastic Cooling
New Advances in Optical Stochastic Cooling Open
Recently, Optical Stochastic Cooling (OSC) became the first demonstrated method for ultra-high-bandwidth stochastic cooling. The initial experiments at Fermilab’s IOTA ring explored the essential physics of the method and demonstrated cool…
View article: Low-alpha Operation of the Iota Storage Ring
Low-alpha Operation of the Iota Storage Ring Open
Operation with ultra-low momentum-compaction factor (alpha) is a desirable capability for many storage rings and synchrotron radiation sources. For example, low-alpha lattices are commonly used to produce picosecond bunches for the generat…
View article: Overview of the New Beam Physics Research at the IOTA/FAST Facility
Overview of the New Beam Physics Research at the IOTA/FAST Facility Open
The Fermilab Accelerator Science and Technology (FAST) facility is dedicated to the exploration of novel concepts in accelerator and beam physics, and the development of a robust workforce, in order to enable and enhance next-generation pa…
View article: Proton Beam Dynamics in Bare IOTA with Intense Space-Charge
Proton Beam Dynamics in Bare IOTA with Intense Space-Charge Open
We are commissioning a 2.5~MeV proton beam for the Integrable Optics Test Accelerator at Fermilab, allowing experiments in the strong space-charge regime with incoherent betatron tune shifts nearing 0.5. Accurate modelling of space-charge …
View article: Low-Alpha Operation of the IOTA Storage Ring
Low-Alpha Operation of the IOTA Storage Ring Open
Operation with ultra-low momentum-compaction factor (alpha) is a desirable capability for many storage rings and synchrotron radiation sources. For example, low-alpha lattices are commonly used to produce picosecond bunches for the generat…
View article: Proton beam dynamics in bare IOTA with intense space-charge
Proton beam dynamics in bare IOTA with intense space-charge Open
We are commissioning a 2.5~MeV proton beam for the Integrable Optics Test Accelerator at Fermilab, allowing experiments in the strong space-charge regime with incoherent betatron tune shifts nearing 0.5. Accurate modelling of space-charge …
View article: Numerical modeling of a proof-of-principle experiment on optical stochastic cooling at an electron storage ring
Numerical modeling of a proof-of-principle experiment on optical stochastic cooling at an electron storage ring Open
Cooling of beams circulating in storage rings is critical for many applications including particle colliders and synchrotron light sources. A method enabling unprecedented beam-cooling rates, optical stochastic cooling (OSC), was recently …
View article: Numerical Modeling of a Proof-of-Principle Experiment on Optical Stochastic Cooling at the IOTA Electron Storage Ring
Numerical Modeling of a Proof-of-Principle Experiment on Optical Stochastic Cooling at the IOTA Electron Storage Ring Open
Cooling of beams circulating in storage rings is critical for many applications including particle colliders and synchrotron light sources. A method enabling unprecedented beam-cooling rates, optical stochastic cooling (OSC), was recently …
View article: The NOvA Test Beam Program
The NOvA Test Beam Program Open
NOvA is a long-baseline oscillation neutrino experiment designed to study and measure a wide range of important topics for neutrino physics such as the neutrino mixing parameters, the neutrino mass hierarchy, and CP violation in the lepton…
View article: Fermilab Test Beam Facility Annual Report: FY19
Fermilab Test Beam Facility Annual Report: FY19 Open
This Technical Memorandum (TM) summarizes the Fermilab Test Beam Faciltiy (FTBF) operations for FY2019. It is one of a series of annual publications intended to gather information in one place. This TM discusses the experiments performed a…
View article: Design and performance of a 35-ton liquid argon time projection chamber as a prototype for future very large detectors
Design and performance of a 35-ton liquid argon time projection chamber as a prototype for future very large detectors Open
Liquid argon time projection chamber technology is an attractive choice for large neutrino detectors, as it provides a high-resolution active target and it is expected to be scalable to very large masses. Consequently, it has been chosen a…
View article: Neutrino tridents at DUNE
Neutrino tridents at DUNE Open
The DUNE near detector will collect an unprecedented large number of neutrino interactions, allowing the precise measurement of rare processes such as neutrino trident production, i.e. the generation of a lepton-antilepton pair through the…
View article: Sterile Neutrinos search via NC dis at NOvA
Sterile Neutrinos search via NC dis at NOvA Open
Observations of neutrino oscillations from the majority of neutrino oscillation experiments are consistent with a three-flavor framework. However, the excess of events seen by LSND and MiniBooNE are incompatible with this model and can be …
View article: Sterile Neutrino Search via Neutral-Current Disappearance with NOvA
Sterile Neutrino Search via Neutral-Current Disappearance with NOvA Open
Observations of neutrino oscillations from the majority of neutrino oscillation experiments are consistent with a three-flavor framework. However, the excess of events seen by LSND and MiniBooNE are incompatible with this model and can be …
View article: First Results From The Nova Antineutrino Neutral-Current Disappearance Sterile Neutrino Search
First Results From The Nova Antineutrino Neutral-Current Disappearance Sterile Neutrino Search Open
Observations of neutrino oscillations from the majority of neutrino oscillation experiments are consistent with a three-flavor framework. However, the excess of events seen by LSND and MiniBooNE are incompatible with this model and can be …
View article: Photon detector system timing performance in the DUNE 35-ton prototype liquid argon time projection chamber
Photon detector system timing performance in the DUNE 35-ton prototype liquid argon time projection chamber Open
Here, the 35-ton prototype for the Deep Underground Neutrino Experiment far detector was a single-phase liquid argon time projection chamber with an integrated photon detector system, all situated inside a membrane cryostat. The detector t…
View article: Reconstruction And Analysis For The Dune 35-Ton Liquid Argon Prototype
Reconstruction And Analysis For The Dune 35-Ton Liquid Argon Prototype Open
Neutrino physics is approaching the precision era, with current and future experiments aiming to perform highly accurate measurements of the parameters which govern the phenomenon of neutrino oscillations. The ultimate ambition with these …
View article: Automated Reconstruction, Signal Processing and Particle Identification in DUNE
Automated Reconstruction, Signal Processing and Particle Identification in DUNE Open
Liquid Argon TPC (LArTPC) technology is increasingly prevalent in large-scale detectors designed to observe neutrino scattering events induced by accelerators or by natural sources. LArTPCs consist of a very high fraction of active detecto…
View article: Results from the 35-ton Liquid-argon Prototype using Cosmic Rays and Lessons Learned
Results from the 35-ton Liquid-argon Prototype using Cosmic Rays and Lessons Learned Open
Liquid argon time projection chambers (LArTPCs) provide a robust and elegant method for measuring the properties of neutrino interactions above a few tens of MeV by providing 3D event imaging with excellent spatial resolution. LArTPCs have…
View article: Cryogenic CMOS cameras for high voltage monitoring in liquid argon
Cryogenic CMOS cameras for high voltage monitoring in liquid argon Open
The prevalent use of large volume liquid argon detectors strongly motivates\nthe development of novel readout and monitoring technology which functions at\ncryogenic temperatures. This paper presents the development of a cryogenic CMOS\nca…