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Publications (21)

hep-ex2022

Jet energy spectrum and substructure in $e^{+} e^{-}$ collisions at 91.2 GeV with ALEPH Archived Data

Yi Chen, Anthony Badea, Austin Baty +10

The first measurements of energy spectra and substructure of anti- $k_{T}$ jets in hadronic $Z^{0}$ decays in $e^{+} e^{-}$ collisions are presented. The archived $e^{+} e^{-}$ annihilation dat…

hep-ex2025

Analysis note: measurement of thrust and track energy-energy correlator in $e^{+} e^{-}$ collisions at 91.2 GeV with DELPHI open data

Jingyu Zhang, Tzu-An Sheng, Yu-Chen Chen +6

Recent theoretical developments, as well as experimental measurements at hadron collisions, have renewed interest in studying event shape variables in $e^{+} e^{-}$ collisions. We prese…

hep-ex2025

Analysis note: measurement of energy-energy correlator in $e^{+} e^{-}$ collisions at $91$ GeV with archived ALEPH data

Hannah Bossi, Yu-Chen Chen, Yi Chen +7

Electron-positron ( $e^{+} e^{-}$ ) collisions provide a clean environment for precision tests of Quantum Chromodynamics (QCD) due to the absence of hadronic initial-state effects. We pre…

hep-ex2025

Unbinned measurement of thrust in $e^{+} e^{-}$ collisions at $s$ = 91.2 GeV with ALEPH archived data

The Electron-Positron Alliance, :, Anthony Badea +17

The strong coupling constant ( $I^\pm_{S}$ ) is a fundamental parameter of quantum chromodynamics (QCD), the theory of the strong force. Some of the earliest precise constraints on $Î±_…

physics.ins-det2025

In-pixel integration of signal processing and AI/ML based data filtering for particle tracking detectors

Benjamin Parpillon, Anthony Badea, Danush Shekar +32

We present the first physical realization of in-pixel signal processing with integrated AI-based data filtering for particle tracking detectors. Building on prior work that demonst…

hep-ph2025

Energy Correlators from Partons to Hadrons: Unveiling the Dynamics of the Strong Interactions with Archival ALEPH Data

Hannah Bossi, Yi Chen, Yu-Chen Chen +12

Quantum Chromodynamics (QCD) is a remarkably rich theory exhibiting numerous emergent degrees of freedom, from flux tubes to hadrons. Their description in terms of the underlying q…

hep-ex2026

Agentic AI -- Physicist Collaboration in Experimental Particle Physics: A Proof-of-Concept Measurement with LEP Open Data

Anthony Badea, Yi Chen, Marcello Maggi +2

We present an AI agentic measurement of the thrust distribution in $e^{+} e^{-}$ collisions at $s = 91.2$ ~GeV using archived ALEPH data. The analysis and all note writing is ca…

physics.acc-ph2025

MuCol Milestone Report No. 7: Consolidated Parameters

Rebecca Taylor, Antoine ChancÃ©, Dario Augusto Giove +459

This document is comprised of a collection of consolidated parameters for the key parts of the muon collider. These consolidated parameters follow on from the October 2024 Prelimin…

physics.acc-ph2025

The Muon Collider

Carlotta Accettura, Simon Adrian, Rohit Agarwal +450

Muons offer a unique opportunity to build a compact high-energy electroweak collider at the 10 TeV scale. A Muon Collider enables direct access to the underlying simplicity of the…

physics.ins-det2026

On-chip probabilistic inference for charged-particle tracking at the sensor edge

Arghya Ranjan Das, David Jiang, Rachel Kovach-Fuentes +32

Modern scientific instruments operate under increasingly extreme constraints on bandwidth, latency, and power. Inference at the sensor edge determines experimental data collection…

hep-ex2024

Long-range near-side correlation in $e^{+} e^{-}$ Collisions at 183-209 GeV with ALEPH Archived Data

Yu-Chen Chen, Yi Chen, Anthony Badea +8

The first measurement of two-particle angular correlations for charged particles with LEP-II data is presented. The study is performed using archived hadronic $e^{+} e^{-}$ data collect…

hep-ph2022

Solving Combinatorial Problems at Particle Colliders Using Machine Learning

Anthony Badea, William James Fawcett, John Huth +3

High-multiplicity signatures at particle colliders can arise in Standard Model processes and beyond. With such signatures, difficulties often arise from the large dimensionality of…

physics.acc-ph2024

MuCol Milestone Report No. 5: Preliminary Parameters

Carlotta Accettura, Simon Adrian, Rohit Agarwal +391

This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2…

hep-ex2025

Analysis note: measurement of thrust in $e^{+} e^{-}$ collisions at $s$ = 91 GeV with archived ALEPH data

Anthony Badea, Austin Baty, Hannah Bossi +15

A measurement of the thrust distribution in $e^{+} e^{-}$ collisions at $s = 91.2$ GeV with archived data from the ALEPH experiment at the Large Electron-Positron Collider is…

hep-ex2024

Exploring the hadronic landscape, a novel search in multijet events at the ATLAS experiment

Anthony Badea

The exceptionally accurate Standard Model (SM) theory of fundamental interactions is known to be incomplete. Many new theories extend the SM, trying to solve some of the most compe…

hep-ex2019

Measurements of two-particle correlations in $e^{+} e^{-}$ collisions at 91 GeV with ALEPH archived data

Anthony Badea, Austin Baty, Paoti Chang +7

Measurements of two-particle angular correlations of charged particles emitted in hadronic $Z$ decays are presented. The archived $e^{+} e^{-}$ annihilation data at a center-of-mass ene…

hep-ph2023

A data-driven and model-agnostic approach to solving combinatorial assignment problems in searches for new physics

Anthony Badea, Javier Montejo Berlingen

We present a novel approach to solving combinatorial assignment problems in particle physics without the need to introduce prior knowledge or assumptions about the particles' decay…

physics.ins-det2024

Smart Pixels: In-pixel AI for on-sensor data filtering

Benjamin Parpillon, Chinar Syal, Jieun Yoo +16

We present a smart pixel prototype readout integrated circuit (ROIC) designed in CMOS 28 nm bulk process, with in-pixel implementation of an artificial intelligence (AI) / machine…

hep-ex2026

Analysis note: Long-range near-side correlation in $e^{+} e^{-}$ with $W$ -boson-pair events at 183-209 GeV with ALEPH archived data

Tzu-An Sheng, Yu-Chen Chen, Yi Chen +12

Events characterized by a high multiplicity of charged particles have been a central focus in the study of collective behavior across both large and small collision systems. A prev…

physics.ins-det2025

Sensor Co-design for $smartpixels$

Danush Shekar, Ben Weiss, Morris Swartz +40

Pixel tracking detectors at upcoming collider experiments will see unprecedented charged-particle densities. Real-time data reduction on the detector will enable higher granularity…

physics.ins-det2024

Intelligent Pixel Detectors: Towards a Radiation Hard ASIC with On-Chip Machine Learning in 28 nm CMOS

Anthony Badea, Alice Bean, Doug Berry +16

Detectors at future high energy colliders will face enormous technical challenges. Disentangling the unprecedented numbers of particles expected in each event will require highly g…

Publications (21)

Jet energy spectrum and substructure in e+e− collisions at 91.2 GeV with ALEPH Archived Data

Analysis note: measurement of thrust and track energy-energy correlator in e+e− collisions at 91.2 GeV with DELPHI open data

Analysis note: measurement of energy-energy correlator in e+e− collisions at 91 GeV with archived ALEPH data

Unbinned measurement of thrust in e+e− collisions at s​ = 91.2 GeV with ALEPH archived data

In-pixel integration of signal processing and AI/ML based data filtering for particle tracking detectors

Energy Correlators from Partons to Hadrons: Unveiling the Dynamics of the Strong Interactions with Archival ALEPH Data

Agentic AI -- Physicist Collaboration in Experimental Particle Physics: A Proof-of-Concept Measurement with LEP Open Data

MuCol Milestone Report No. 7: Consolidated Parameters

The Muon Collider

On-chip probabilistic inference for charged-particle tracking at the sensor edge

Long-range near-side correlation in e+e− Collisions at 183-209 GeV with ALEPH Archived Data

Solving Combinatorial Problems at Particle Colliders Using Machine Learning

MuCol Milestone Report No. 5: Preliminary Parameters

Analysis note: measurement of thrust in e+e− collisions at s​ = 91 GeV with archived ALEPH data

Exploring the hadronic landscape, a novel search in multijet events at the ATLAS experiment

Measurements of two-particle correlations in e+e− collisions at 91 GeV with ALEPH archived data

A data-driven and model-agnostic approach to solving combinatorial assignment problems in searches for new physics

Smart Pixels: In-pixel AI for on-sensor data filtering

Analysis note: Long-range near-side correlation in e+e− with W-boson-pair events at 183-209 GeV with ALEPH archived data

Sensor Co-design for smartpixels

Intelligent Pixel Detectors: Towards a Radiation Hard ASIC with On-Chip Machine Learning in 28 nm CMOS

Jet energy spectrum and substructure in $e^{+} e^{-}$ collisions at 91.2 GeV with ALEPH Archived Data

Analysis note: measurement of thrust and track energy-energy correlator in $e^{+} e^{-}$ collisions at 91.2 GeV with DELPHI open data

Analysis note: measurement of energy-energy correlator in $e^{+} e^{-}$ collisions at $91$ GeV with archived ALEPH data

Unbinned measurement of thrust in $e^{+} e^{-}$ collisions at $s$ = 91.2 GeV with ALEPH archived data

Long-range near-side correlation in $e^{+} e^{-}$ Collisions at 183-209 GeV with ALEPH Archived Data

Analysis note: measurement of thrust in $e^{+} e^{-}$ collisions at $s$ = 91 GeV with archived ALEPH data

Measurements of two-particle correlations in $e^{+} e^{-}$ collisions at 91 GeV with ALEPH archived data

Analysis note: Long-range near-side correlation in $e^{+} e^{-}$ with $W$ -boson-pair events at 183-209 GeV with ALEPH archived data

Sensor Co-design for $smartpixels$