papers

Publications (19)

physics.acc-ph2025

HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration. Backup Document

Erik Adli, Joshua Appleby, Timothy L. Barklow +59

This document expands on the Comprehensive Summary submitted to the EPPSU 2026. It contains details on aspects of the HALHF project that could not be fitted into the Summary. Some…

hep-ex2019

The International Linear Collider: A Global Project

Philip Bambade, Tim Barklow, Ties Behnke +29

The International Linear Collider (ILC) is now under consideration as the next global project in particle physics. In this report, we review of all aspects of the ILC program: the…

hep-ex2024

Physics Performance and Detector Requirements at an Asymmetric Higgs Factory

Antoine Laudrain, Ties Behnke, Carl Mikael Berggren +7

The Hybrid Asymmetric Linear Higgs Factory (HALHF) proposes a shorter and cheaper design for a future Higgs factory. It reaches a GeV using a 500 GeV electron beam…

hep-ex2010

Consideration of Photon Radiation in Kinematic Fits for Future e+ e- Colliders

Moritz Beckmann, Benno List, Jenny List

Kinematic fitting is an important tool to improve the resolution in high-energy physics experiments. At future e+e- colliders, photon radiation parallel to the beam carrying away l…

hep-ex2009

Kinematic Fitting in the Presence of ISR at the ILC

Jenny List, Moritz Beckmann, Benno List

Kinematic fitting is a well-established tool to improve jet energy and invariant mass resolutions by fitting the measured values under constraints (e.g. energy conservation). Howev…

hep-ex2009

A Measurement of Beauty Photoproduction Through Decays to Muons and Jets at HERA-II

Benno List

The photoproduction of beauty quarks in ep collisions has been measured using a data sample of 170 pb^-1 collected with the H1 detector at HERA-II in the years 2006 and 2007. Event…

physics.acc-ph2013

The International Linear Collider Technical Design Report - Volume 3.II: Accelerator Baseline Design

Chris Adolphsen, Maura Barone, Barry Barish +41

The International Linear Collider Technical Design Report (TDR) describes in four volumes the physics case and the design of a 500 GeV centre-of-mass energy linear electron-positro…

hep-ex2008

Charm and Beauty Photoproduction at HERA

Benno List

After the completion of data taking at HERA-2, a large data set is at hand to study the photoproduction of charm and beauty quarks in ep collisions. New measurements of charm produ…

hep-ex2019

The International Linear Collider. A European Perspective

Philip Bambade, Ties Behnke, Mikael Berggren +31

The International Linear Collider (ILC) being proposed in Japan is an electron-positron linear collider with an initial energy of 250 GeV. The ILC accelerator is based on the techn…

hep-ex2009

Extraction of the Pomeron Trajectory from a Global Fit to Exclusive Meson Photoproduction Data

Benno List

Based on data on elastic photoproduction from the H1, Omega and ZEUS collaborations, a fit has been performed to extract the value of the pomeron trajectory at fi…

hep-ex2010

Treatment of Photon Radiation in Kinematic Fits at Future e+ e- Colliders

Moritz Beckmann, Benno List, Jenny List

Kinematic fitting, where constraints such as energy and momentum conservation are imposed on measured four-vectors of jets and leptons, is an important tool to improve the resoluti…

physics.acc-ph2023

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…

physics.acc-ph2025

ILC250 Cost Update -- 2024

Gerald Dugan, Andrew J. Lankford, Benno List +8

The International Linear Collider was conceived as a global project for an energy-frontier electron-positron collider.It employs superconducting RF and nano-beam technologies with…

hep-ex2019

The International Linear Collider. A Global Project

Hiroaki Aihara, Jonathan Bagger, Philip Bambade +59

A large, world-wide community of physicists is working to realise an exceptional physics program of energy-frontier, electron-positron collisions with the International Linear Coll…

hep-ex2006

Heavy Flavour Production at HERA

Benno List

The production of charm and beauty quarks in ep collisions at HERA has been studied by the H1 and ZEUS collaborations. Charm production is generally well described in total rate an…

physics.acc-ph2013

The International Linear Collider Technical Design Report - Volume 3.I: Accelerator R&D in the Technical Design Phase

Chris Adolphsen, Maura Barone, Barry Barish +41

The International Linear Collider Technical Design Report (TDR) describes in four volumes the physics case and the design of a 500 GeV centre-of-mass energy linear electron-positro…

hep-ph2007

Summary of the Heavy Flavor Working Group

Michael Klasen, Benno List, Stephanie Hansmann-Menzemer +1

During the last year many important results have been achieved in heavy flavour physics: New measurements of charm and beauty production have been performed at HERA and the Tevatro…

physics.acc-ph2025

HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration

Erik Adli, Joshua Appleby, Timothy L. Barklow +59

HALHF is a hybrid linear collider that uses electron-driven plasma-wakefield acceleration to accelerate electrons to high energy while using radio-frequency cavity technology to ac…

physics.acc-ph2025

Proceedings of the Erice Workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF

Brian Foster, Erik Adli, Timothy L. Barklow +21

The HALHF collaboration has discussed a new baseline for the project, taking into account comments from the accelerator community on various aspects of the original design. In part…