A5072108881- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Distributed and Parallel Computing Systems
- Radiation Detection and Scintillator Technologies
- Advanced Data Storage Technologies
- Atomic and Subatomic Physics Research
- Scientific Computing and Data Management
- Particle accelerators and beam dynamics
- Nuclear Physics and Applications
- Planetary Science and Exploration
- Technology Assessment and Management
- Muon and positron interactions and applications
- Parallel Computing and Optimization Techniques
- Pulsars and Gravitational Waves Research
- Cloud Computing and Resource Management
- Quantum Chromodynamics and Particle Interactions
- Quantum, superfluid, helium dynamics
- Opportunistic and Delay-Tolerant Networks
- Manufacturing Process and Optimization
- Usability and User Interface Design
- Mobile and Web Applications
- Energy Efficient Wireless Sensor Networks
Fermi National Accelerator Laboratory
2016-2025
Cochin University of Science and Technology
2023-2024
Banaras Hindu University
2023-2024
California Institute of Technology
2023-2024
Charles University
2023-2024
European Space Research and Technology Centre
2024
University of Virginia
1984-2018
Newcastle University
2015
Hewlett-Packard (United Kingdom)
2012
Michigan State University
2000
A new sensitive microwave life-detection which can be used to locate human subjects buried earthquake rubble or hidden behind various barriers has been constructed. This system operating at 1150 MHz 450 detect the breathing and heartbeat signals of through an a construction barrier about 10-ft thickness. The basic physical principle for operation is rather simple. When beam appropriate frequency (L S band) aimed pile covering subject illuminated obstructing subject, penetrate reach subject....
Security is seen as one of the major challenges Cloud computing. Recent malware are not only becoming more sophisticated, but have also demonstrated a trend to make use components, which can easily be distributed through Internet develop newer and better malware. As result, key problem facing security cope with identifying diverse sets This paper presents method detecting by symptoms malicious behaviour opposed looking for itself. compared in human pathology, study direct physicians...
The fixed-target MIPP experiment, Fermilab E907, was designed to measure the production of hadrons from collisions momenta ranging 5 120 GeV/c on a variety nuclei. These data will generally improve simulation particle detectors and predictions beam fluxes at accelerators. spectrometer momentum resolution is between 3 4%, identification performed for particles 0.3 80 using $dE/dx$, time-of-flight Cherenkov radiation measurements. collected $1.42 \times10^6$ events GeV Main Injector protons...
Emissions in the shipping industry are a major environmental concern and IMO regulations increasingly stringent. Existing methods to assess marine exhaust gas emissions require large specialised input data-sets. There is therefore requirement for methodology which can resolve dilemma of estimating time-varying properties with sufficient accuracy to, example, predict NOX emissions, whilst also being applicable across variety engine types operational modes that prevail context, there often...
We have measured cross sections for forward neutron production from a variety of targets using proton beams the Fermilab Main Injector. Measurements were performed beam momenta 58, 84, and $120\text{ }\text{ }\mathrm{GeV}/c$. The section dependence on atomic weight ($A$) was found to vary as ${A}^{\ensuremath{\alpha}}$, where $\ensuremath{\alpha}$ is $0.46\ifmmode\pm\else\textpm\fi{}0.06$ momentum $58\text{ }\mathrm{GeV}/c$ $0.54\ifmmode\pm\else\textpm\fi{}0.05$ show reasonable agreement...
The NOvA experiment is designed to measure key parameters in neutrino physics related the mass hierarchy and asymmetry between matter anti-matter. To make these measurements must correlate extraction of beam NuMI target with individual hits both a near detector far located 810 km from Fermilab. Precisely correlating across detectors reconstructing particle trajectories require that all readout electronics be precisely synchronized an absolute wall time channel variation less than 15.6 ns....
The Intensity Frontier refers to a diverse set of particle physics experiments using high- intensity beams. In this paper I will focus the discussion on computing requirements and solutions neutrino muon in progress or planned take place at Fermi National Accelerator Laboratory located near Chicago, Illinois. face unique challenges, but also have overlapping computational needs. principle, by exploiting commonality utilizing centralized tools resources, can be satisfied efficiently...
The NOvA experiment uses a continuous, free-running, dead-timeless data acquisition system to collect from the 14 kT far detector. DAQ readouts more than 344,000 detector channels and assembles information into an raw unfiltered high bandwidth stream. trigger systems operate in parallel readout asynchronously primary readout/event building chain. driven triggering for are unique that they examine long contiguous time windows of resolution enable be sensitive wide range physics interactions...
Analysis of neutrino oscillation data involves a combination complex fitting procedures and statistical correction techniques that are used to determine the full three-flavor PMNS parameters constraint contours. These rely on computationally intensive “multi-universe” stochastic modeling. The process calculating these contours corrections can dominate final stages analysis become bottleneck for examining ef-fect systematic variations results. As part DOE SciDAC-4 sponsored research program,...
The NOνA experiment is a neutrino oscillation designed to measure parameters related the mixing matrix, mass hierarchy and CP violation. measures anti-neutrino interactions from NuMI beam line at Fermilab in Near Detector Far located 810 kilometers away. Making these measurements requires precise synchronization of 344,064 channels an absolute wall time with channel variation less then 10 ns. must correlate presence relatively narrow detector data readout. This paper will discuss performance...
In this paper, we present HEPnOS, a distributed data service for managing produced by high-energy physics (HEP) experiments. Using HEP applications can use HPC resources more efficiently than traditional file-based applications. The model leads to rigid, chunk-based allocation of computational and limits the number cores that be used concurrently an application. fundamental problem is organizing domain-specific into files inadvertently introduces single, artificial, conflated tuning...
SAM is a comprehensive data management system used by the Tevatron Run II experiments with great success. The newest at Fermilab, Intensity Frontier experiments, are currently lacking such system. In these proceedings, advantages of using for discussed. Two improvements to SAM, namely SAMWeb and SAMfs described. These will make much easier integrate, deploy, maintain, use.
The NOvA experiment uses a GPS based timing system both to internally synchronize the readout of DAQ components and establish an absolute wall clock reference which can be used link Fermilab accelerator complex with neutrino flux that crosses detectors. We describe methods were during commissioning Timing systems synchronization between beam far detector. present how high precision atomic clocks trained transported MINOS detectors Northern Minnesota blizzard validate time offsets experiments...
Modern long baseline neutrino experiments like the NOvA experiment at Fermilab, require large scale, compute intensive simulations of their beam fluxes and backgrounds induced by cosmic rays. The amount simulation required to keep systematic uncertainties in from dominating final physics results is often 10x 100x that actual detector exposure. For first this has meant more than 2 billion ray events far 200 million NuMI spill simulations. Performing these high statistics levels have been made...
The NO$\nu$A collaboration has constructed a 14,000 ton, fine-grained, low-Z, total absorption tracking calorimeter at an off-axis angle to upgraded NuMI neutrino beam. This detector, with its excellent granularity and energy resolution relatively low-energy thresholds, was designed observe electron appearance in muon beam, but it also unique capabilities suitable for more exotic efforts. In fact, if efficient upward-going trigger sufficient cosmic ray background rejection can be...
Without significant changes to data organization, management, and access (DOMA), HEP experiments will find scientific output limited by how fast can be accessed digested computational resources. In this white paper we discuss challenges in DOMA that experiments, such as the HL-LHC, face well potential ways address them. A research development timeline assess these is also proposed.
The NOvA experiment is a long baseline neutrino designed to make key measures determine the mass hierarchy, mixing and CP violation in sector. In order these measurements collaboration has highly distributed, synchronized, continuous digitization readout system that able acquire correlate data from Fermilab accelerator complex, near detector at far which located 810 km away Ash River, MN. This unique properties let it fully exploit physics capabilities of detector. paper discusses design DAQ...
The Deep Underground Neutrino Experiment (DUNE) will employ a set of Liquid Argon Time Projection Chambers (LArTPC) with total mass 40 kt as the main components its Far Detector. In order to validate this technology and characterize detector performance at full scale, an ambitious experimental program (called "protoDUNE") has been initiated which includes test large-scale prototypes for single-phase dual-phase LArTPC technologies, run in beam CERN. raw data volume that is slated be collected...
Realizing the physics programs of planned and upgraded high-energy (HEP) experiments over next 10 years will require HEP community to address a number challenges in area software computing. For this reason, has engaged planning process past two years, with objective identifying prioritizing research development required enable generation detectors fulfill their full potential. The aim is produce Community White Paper which describe strategy roadmap for computing 2020s. topics event...
Abstract The traditional method of manufacturing propellant tanks for rockets and spaceships involves significant amounts forging, machining, making it expensive environmentally unfriendly. A novel approach that reduces the need machining friction stir welding processes has been presented in this paper. This a tank half starting from single metal plate, using innovative advanced forming such as hot stretch forming, magnetic pulse hub integrated stiffened cylinder (ISC) flow followed by...