Publications (27)
Community Engagement Frontier
Ketevi A. Assamagan, Breese Quinn, Kenneth Bloom +20
This is the summary report of the Community Engagement Frontier for the Snowmass 2021 study of the future of particle physics. The report discusses a number of general issues of im…
The International Linear Collider: Report to Snowmass 2021
Alexander Aryshev, Ties Behnke, Mikael Berggren +508
The International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in the 2030s. The ILC addresses key questions for our…
Coffea-casa: an analysis facility prototype
Matous Adamec, Garhan Attebury, Kenneth Bloom +4
Data analysis in HEP has often relied on batch systems and event loops; users are given a non-interactive interface to computing resources and consider data event-by-event. The "Co…
Any Data, Any Time, Anywhere: Global Data Access for Science
Kenneth Bloom, Tommaso Boccali, Brian Bockelman +11
Data access is key to science driven by distributed high-throughput computing (DHTC), an essential technology for many major research projects such as High Energy Physics (HEP) exp…
HEP Community White Paper on Software trigger and event reconstruction
Johannes Albrecht, Kenneth Bloom, Tommaso Boccali +39
Realizing the physics programs of the planned and upgraded high-energy physics (HEP) experiments over the next 10 years will require the HEP community to address a number of challe…
Sustainability and Carbon Emissions of Future Accelerators
Kenneth Bloom, Véronique Boisvert
Future accelerators and experiments for energy-frontier particle physics will be built and operated during a period in which society must also address the climate change emergency…
Report of the Snowmass 2013 Computing Frontier Working Group on Distributed Computing and Facility Infrastructures
Kenneth Bloom, Richard Gerber
This is the report of the Snowmass 2013 Computing Frontier Working Group on Distributed Computing and Facility Infrastructures.
A Roadmap for HEP Software and Computing R&D for the 2020s
Johannes Albrecht, Antonio Augusto Alves, Guilherme Amadio +307
Particle physics has an ambitious and broad experimental programme for the coming decades. This programme requires large investments in detector hardware, either to build new facil…
The 200 Gbps Challenge: Imagining HL-LHC analysis facilities
Alexander Held, Sam Albin, Garhan Attebury +22
The IRIS-HEP software institute, as a contributor to the broader HEP Python ecosystem, is developing scalable analysis infrastructure and software tools to address the upcoming HL-…
The U.S. CMS HL-LHC R&D Strategic Plan
Oliver Gutsche, Tulika Bose, Margaret Votava +13
The HL-LHC run is anticipated to start at the end of this decade and will pose a significant challenge for the scale of the HEP software and computing infrastructure. The mission o…
Measurements of Spin Correlation in ttbar Events at D0
Kenneth Bloom
Two recent measurements by the D0 Collaboration of spin correlation in ttbar production using 5.4 fb^-1 of Tevatron ppbar collider data are presented. Both rely on the dilepton fin…
Analysis Facilities for HL-LHC
Doug Benjamin, Kenneth Bloom, Brian Bockelman +9
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…
HEP Community White Paper on Software trigger and event reconstruction: Executive Summary
Johannes Albrecht, Kenneth Bloom, Tommaso Boccali +39
Realizing the physics programs of the planned and upgraded high-energy physics (HEP) experiments over the next 10 years will require the HEP community to address a number of challe…
W Boson Cross Section and Decay Properties at the Tevatron
Kenneth Bloom
We present the first measurements of sigma(p\bar{p} -> W -> l nu) and sigma(p\bar{p} -> Z -> l l) at sqrt{s} = 1.96 TeV, along with new measurements of W angular-decay distribution…
Recent Results on Top-Quark Physics at D0
Kenneth Bloom
We present the most recent measurements on top-quark physics obtained with Tevatron collisions recorded by the D0 experiment at TeV. The full Run II dat…
CMS software and computing for LHC Run 2
Kenneth Bloom
The CMS offline software and computing system has successfully met the challenge of LHC Run 2. In this presentation, we will discuss how the entire system was improved in anticipat…
Collaborative Computing Support for Analysis Facilities Exploiting Software as Infrastructure Techniques
Maria Acosta Flechas, Garhan Attebury, Kenneth Bloom +7
Prior to the public release of Kubernetes it was difficult to conduct joint development of elaborate analysis facilities due to the highly non-homogeneous nature of hardware and ne…
Top Production at the Tevatron: The Antiproton Awakens
Kenneth Bloom
A long time ago, at a laboratory far, far away, the Fermilab Tevatron collided protons and antiprotons at TeV. The CDF and D0 experiments each recorded datasets o…
CMS Computing: Performance and Outlook
Kenneth Bloom
After years of development, the CMS distributed computing system is now in full operation. The LHC continues to set records for instantaneous luminosity, and CMS continues to recor…
Search for associated production of a Higgs boson with a single top quark
Kenneth Bloom
We present a search for the production of a Higgs boson in association with a single top quark (), using data samples collected by the CMS detector in collisions at cente…
Coffea-Casa: Building composable analysis facilities for the HL-LHC
Sam Albin, Garhan Attebury, Kenneth Bloom +4
The large data volumes expected from the High Luminosity LHC (HL-LHC) present challenges to existing paradigms and facilities for end-user data analysis. Modern cyberinfrastructure…
CMS Software and Computing: Ready for Run 2
Kenneth Bloom
In Run 1 of the Large Hadron Collider, software and computing was a strategic strength of the Compact Muon Solenoid experiment. The timely processing of data and simulation samples…
Tuning the CMS Coffea-casa facility for 200 Gbps Challenge
Sam Albin, Garhan Attebury, Kenneth Bloom +7
As a part of the IRIS-HEP "Analysis Grand Challenge" activities, the Coffea-casa AF team executed a "200 Gbps Challenge". One of the goals of this challenge was to provide a setup…
The CMS Computing System: Successes and Challenges
Kenneth Bloom
Each LHC experiment will produce datasets with sizes of order one petabyte per year. All of this data must be stored, processed, transferred, simulated and analyzed, which requires…
Building an AI-native Research Ecosystem for Experimental Particle Physics: A Community Vision
Thea Klaeboe Aarrestad, Alaa Abdelhamid, Haider Abidi +457
Experimental particle physics seeks to understand the universe by probing its fundamental particles and forces and exploring how they govern the large-scale processes that shape co…
Climate impacts of particle physics
Kenneth Bloom, Veronique Boisvert, Daniel Britzger +5
The pursuit of particle physics requires a stable and prosperous society. Today, our society is increasingly threatened by global climate change. Human-influenced climate change ha…
Top Physics: CDF Results
Kenneth Bloom
The top quark plays an important role in the grand scheme of particle physics, and is also interesting on its own merits. We present recent results from CDF on top-quark physics ba…