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View article: AI-Powered Assistant for Long-Term Access to RHIC Knowledge
AI-Powered Assistant for Long-Term Access to RHIC Knowledge Open
As the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory concludes 25 years of operation, preserving not only its vast data holdings ($\sim$1 ExaByte) but also the embedded scientific knowledge becomes a critical pri…
View article: Analysis Facilities for the HL-LHC White Paper
Analysis Facilities for the HL-LHC White Paper Open
This white paper presents the current status of the R&D for Analysis Facilities (AFs) and attempts to summarize the views on the future direction of these facilities. These views have been collected through the High Energy Physics (HEP) So…
View article: Reinterpretation and preservation of data and analyses in HEP
Reinterpretation and preservation of data and analyses in HEP Open
Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes far beyond the immediate priorities of the experimental col…
View article: Data Preservation in High Energy Physics
Data Preservation in High Energy Physics Open
Data preservation significantly increases the scientific output of high-energy physics experiments during and after data acquisition. For new and ongoing experiments, the careful consideration of long-term data preservation in the experime…
View article: Exploring Data Caching Policy with Data Access Patterns from dCache System
Exploring Data Caching Policy with Data Access Patterns from dCache System Open
The dCache storage system at Brookhaven National Laboratory (BNL) serves as a critical cache for the ATLAS collaboration, enabling efficient access to petabytes of data located on tape, remote repositories, and cold storage. Effective cach…
View article: Recommendations for Best Practices for Data Preservation and Open Science in HEP
Recommendations for Best Practices for Data Preservation and Open Science in HEP Open
These recommendations are the result of reflections by scientists and experts who are, or have been, involved in the preservation of high-energy physics data. The work has been done under the umbrella of the Data Lifecycle panel of the Int…
View article: Analysis Facilities White Paper
Analysis Facilities White Paper Open
This white paper presents the current status of the R&D for Analysis Facilities (AFs) and attempts to summarize the views on the future direction of these facilities. These views have been collected through the High Energy Physics (HEP) So…
View article: Understanding Data Access Patterns for dCache System
Understanding Data Access Patterns for dCache System Open
The storage management system dCache acts as a disk cache for high-energy physics (HEP) data from the US ATLAS community. Since its disk capacity is considerably smaller than the total volume of ATLAS data, a heuristic is needed to determi…
View article: Integrated Research Infrastructure Architecture Blueprint Activity (Final Report 2023)
Integrated Research Infrastructure Architecture Blueprint Activity (Final Report 2023) Open
The complexity of scientific pursuits is increasing rapidly with aspects that require dynamic integration of experiment, observation, theory, modeling, simulation, visualization, machine learning (ML), artificial intelligence (AI), and ana…
View article: HSF IRIS-HEP Second Analysis Ecosystem Workshop Report
HSF IRIS-HEP Second Analysis Ecosystem Workshop Report Open
The second workshop on the HEP Analysis Ecosystem took place 23-25 May 2022 at IJCLab in Orsay, to look at progress and continuing challenges in scaling up HEP analysis to meet the needs of HL-LHC and DUNE, as well as the very pressing nee…
View article: HSF IRIS-HEP Second Analysis Ecosystem Workshop Report
HSF IRIS-HEP Second Analysis Ecosystem Workshop Report Open
The second workshop on the HEP Analysis Ecosystem took place 23-25 May 2022 at IJCLab in Orsay, to look at progress and continuing challenges in scaling up HEP analysis to meet the needs of HL-LHC and DUNE, as well as the very pressing nee…
View article: Analysis Facilities for HL-LHC
Analysis Facilities for HL-LHC Open
The HL-LHC presents significant challenges for the HEP analysis community. The number of events in each analysis is expected to increase by an order of magnitude and new techniques are expected to be required; both challenges necessitate n…
View article: Analysis Facilities for HL-LHC
Analysis Facilities for HL-LHC Open
The HL-LHC presents significant challenges for the HEP analysis community. The number of events in each analysis is expected to increase by an order of magnitude and new techniques are expected to be required; both challenges necessitate n…
View article: HEP Software Foundation Community White Paper Working Group -- Data Organization, Management and Access (DOMA)
HEP Software Foundation Community White Paper Working Group -- Data Organization, Management and Access (DOMA) Open
Without significant changes to data organization, management, and access (DOMA), HEP experiments will find scientific output limited by how fast data can be accessed and digested by computational resources. In this white paper we discuss c…
View article: Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows
Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows Open
The importance of workflows is highlighted by the fact that they have underpinned some of the most significant discoveries of the past decades. Many of these workflows have significant computational, storage, and communication demands, and…
View article: Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows
Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows Open
The importance of workflows is highlighted by the fact that they have underpinned some of the most significant discoveries of the past decades. Many of these workflows have significant computational, storage, and communication demands, and…
View article: Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows
Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows Open
Scientific workflows are used almost universally across science domains for solving complex and largescale computing and data analysis problems. The importance of workflows is highlighted by the fact that they have underpinned some of the …
View article: A distributed R&D storage platform implementing quality of service
A distributed R&D storage platform implementing quality of service Open
Optimization of computing resources, in particular storage, the costliest one, is a tremendous challenge for the High Luminosity LHC (HL-LHC) program. Several venues are being investigated to address the storage issues foreseen for HL-LHC.…
View article: Energy Sciences Network (ESnet): Nuclear Physics Network Requirements Review Report
Energy Sciences Network (ESnet): Nuclear Physics Network Requirements Review Report Open
In May 2019, ESnet and the Office of Nuclear Physics (NP) of the DOE Office of Science organized an ESnet requirements review of NP-supported activities. Preparation for this event included identification of key stakeholders to the process…
View article: Background and Roadmap for a Distributed Computing and Data Ecosystem
Background and Roadmap for a Distributed Computing and Data Ecosystem Open
The drivers for using distributed computing and data resources are emerging from many science domains and have been documented through several recent Department of Energy (DOE) workshop reports. The increased usage and availability of geog…
View article: HEP Software Foundation Community White Paper Working Group -- Data Organization, Management and Access (DOMA)
HEP Software Foundation Community White Paper Working Group -- Data Organization, Management and Access (DOMA) Open
Without significant changes to data organization, management, and access (DOMA), HEP experiments will find scientific output limited by how fast data can be accessed and digested by computational resources. In this white paper we discuss c…
View article: Volunteer Computing Experience with ATLAS@Home
Volunteer Computing Experience with ATLAS@Home Open
ATLAS@Home is a volunteer computing project which allows the public to contribute to computing for the ATLAS experiment through their home or office computers. The project has grown continuously since its creation in mid-2014 and now count…
View article: Biotechnology and Bioengineering: Volume 114, Number 8, August 2017
Biotechnology and Bioengineering: Volume 114, Number 8, August 2017 Open
View article: Search for CP violation in top quark-antiquark production and decay in proton-proton collisions at sqrt(s) = 8 TeV
Search for CP violation in top quark-antiquark production and decay in proton-proton collisions at sqrt(s) = 8 TeV Open
The results of a first search for CP violation in the production and decay of top quark-antiquark (ttbar) pairs are presented. The search is based on asymmetries in T-odd, triple-product correlation observables, where T is the time-reversa…
View article: Dual-use tools and systematics-aware analysis workflows in the ATLAS Run-2 analysis model
Dual-use tools and systematics-aware analysis workflows in the ATLAS Run-2 analysis model Open
The ATLAS analysis model has been overhauled for the upcoming run of data collection in 2015 at 13 TeV. One key component of this upgrade was the Event Data Model (EDM), which now allows for greater flexibility in the choice of analysis so…
View article: ATLAS@Home: Harnessing Volunteer Computing for HEP
ATLAS@Home: Harnessing Volunteer Computing for HEP Open
A recent common theme among HEP computing is exploitation of opportunistic resources in order to provide the maximum statistics possible for Monte-Carlo simulation. Volunteer computing has been used over the last few years in many other sc…