Publications (24)
Sequential Diagnosis with Language Models
Harsha Nori, Mayank Daswani, Christopher Kelly +12
Artificial intelligence holds great promise for expanding access to expert medical knowledge and reasoning. However, most evaluations of language models rely on static vignettes an…
Progress Towards an ab initio, Standard Model Calculation of Direct CP-Violation in K-decays
Christopher Kelly
We discuss the RBC & UKQCD collaboration's progress towards a first-principles calculation of direct CP-violation in the Standard Model via K ->pi pi decays. In particular we focus…
Isospin 0 and 2 two-pion scattering at physical pion mass using all-to-all propagators with periodic boundary conditions in lattice QCD
Thomas Blum, Peter A. Boyle, Mattia Bruno +9
A study of two-pion scattering for the isospin channels, and , using lattice QCD is presented. Möbius domain wall fermions on top of the Iwasaki-DSDR gauge action for g…
Lattice QCD and the Computational Frontier
Peter Boyle, Dennis Bollweg, Richard Brower +15
The search for new physics requires a joint experimental and theoretical effort. Lattice QCD is already an essential tool for obtaining precise model-free theoretical predictions o…
Discovering new physics in rare kaon decays
Thomas Blum, Peter Boyle, Mattia Bruno +20
The decays and mixing of mesons are remarkably sensitive to the weak interactions of quarks and leptons at high energies. They provide important tests of the standard model at…
Lattice simulations with G-parity Boundary Conditions
Norman Christ, Christopher Kelly, Daiqian Zhang
We discuss G-parity lattice boundary conditions as a means to impose momentum on the pion ground state without breaking isospin symmetry. This technique is expected to be critical…
A Tool to Facilitate Web-Browsing
Christopher Kelly, Jonatan Fontanez, Tali Sharot
Search engine results often misalign with users' goals due to opaque algorithms, leading to unhelpful or detrimental information consumption. To address this, we developed a Google…
Update on the improved lattice calculation of direct CP-violation in K decays
Christopher Kelly, Tianle Wang
We discuss the status of the RBC & UKQCD collaboration's lattice determination of , the measure of direct CP-violation in kaon decays, focusing in particular on recent develop…
Accelerating HPC codes on Intel(R) Omni-Path Architecture networks: From particle physics to Machine Learning
Peter Boyle, Michael Chuvelev, Guido Cossu +3
We discuss practical methods to ensure near wirespeed performance from clusters with either one or two Intel(R) Omni-Path host fabric interfaces (HFI) per node, and Intel(R) Xeon P…
ELIXR: Towards a general purpose X-ray artificial intelligence system through alignment of large language models and radiology vision encoders
Shawn Xu, Lin Yang, Christopher Kelly +25
In this work, we present an approach, which we call Embeddings for Language/Image-aligned X-Rays, or ELIXR, that leverages a language-aligned image encoder combined or grafted onto…
Principles and Guidelines for Randomized Controlled Trials in AI Evaluation
Christopher Kelly, Angelica Chowdhury, Alexandra Campili +5
This work establishes a framework for standardizing AI evaluation RCTs (sometimes called human uplift studies). Drawing on established practices from disciplines with established R…
Lattice QCD and Particle Physics
Andreas S. Kronfeld, Tanmoy Bhattacharya, Thomas Blum +79
Contribution from the USQCD Collaboration to the Proceedings of the US Community Study on the Future of Particle Physics (Snowmass 2021).
Direct CP violation and the rule in decay from the Standard Model
Ryan Abbott, Thomas Blum, Peter A. Boyle +12
We present a lattice QCD calculation of the , decay amplitude and , the measure of direct CP-violation in decay, improving our 20…
High-Stakes Decisions with Language Models: Insights from Emergency Triage
Khurram Yamin, Christopher Kelly, Bryan Wilder +1
High-stakes decisions under uncertainty, such as medical emergency triage, require more than accurate predictions. They depend on estimating the likelihood of alternative outcomes…
Advancing Multimodal Medical Capabilities of Gemini
Lin Yang, Shawn Xu, Andrew Sellergren +44
Many clinical tasks require an understanding of specialized data, such as medical images and genomics, which is not typically found in general-purpose large multimodal models. Buil…
Deep learning to achieve clinically applicable segmentation of head and neck anatomy for radiotherapy
Stanislav Nikolov, Sam Blackwell, Alexei Zverovitch +26
Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manua…
Bootstrap-determined p-values in Lattice QCD
Norman Christ, Rajiv Eranki, Christopher Kelly
We present a general method to determine the probability that stochastic Monte Carlo data, in particular those generated in a lattice QCD calculation, would have been obtained were…
and channels of decay at the physical point with periodic boundary conditions
Thomas Blum, Peter A. Boyle, Daniel Hoying +7
We present a lattice calculation of the matrix elements and amplitudes with both the and 1/2 channels and , the measure of direct violatio…
Algorithms for Domain Wall Fermions
Peter A Boyle, Dennis Bollweg, Christopher Kelly +1
We discuss algorithms for domain wall fermions focussing on accelerating Hybrid Monte Carlo sampling of gauge configurations. Firstly a new multigrid algorithm for domain wall solv…
Continuum Results for Light Hadronic Quantities using Domain Wall Fermions with the Iwasaki and DSDR Gauge Actions
Christopher Kelly
We present preliminary continuum results for light hadronic quantities obtained by the RBC/UKQCD collaboration using domain wall fermions with both the Iwasaki and the novel Disloc…
An Evaluation of Real-time Adaptive Sampling Change Point Detection Algorithm using KCUSUM
Vijayalakshmi Saravanan, Perry Siehien, Shinjae Yoo +4
Detecting abrupt changes in real-time data streams from scientific simulations presents a challenging task, demanding the deployment of accurate and efficient algorithms. Identifyi…
Testing And Hardening IoT Devices Against the Mirai Botnet
Christopher Kelly, Nikolaos Pitropakis, Sean McKeown +1
A large majority of cheap Internet of Things (IoT) devices that arrive brand new, and are configured with out-of-the-box settings, are not being properly secured by the manufacture…
How people use Copilot for Health
Beatriz Costa-Gomes, Pavel Tolmachev, Eloise Taysom +15
We analyze over 500,000 de-identified health-related conversations with Microsoft Copilot from January 2026 to characterize what people ask conversational AI about health. We devel…
Report of the Snowmass 2021 Topical Group on Lattice Gauge Theory
Zohreh Davoudi, Ethan T. Neil, Christian W. Bauer +35
Lattice gauge theory continues to be a powerful theoretical and computational approach to simulating strongly interacting quantum field theories, whose applications permeate almost…