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Journals
Instruments
Special Issues
Selected Papers from the International Beam Instrumentation Conference (IBIC) Series
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Selected Papers from the International Beam Instrumentation Conference (IBIC) Series

A special issue of Instruments (ISSN 2410-390X).

Deadline for manuscript submissions: 20 December 2026 | Viewed by 2646

Editors

Prof. Dr. Carsten P. Welsch

E-Mail Website
Guest Editor
QUASAR Group, University of Liverpool, the Cockcroft Institute, Daresbury, Warrington WA4 4AD, UK
Interests: accelerator design and optimisation; novel beam diagnostics; applications of accelerators; high energy discovery machines; antimatter facilities; medical accelerators; accelerators-on-a-chip
Special Issues, Collections and Topics in MDPI journals
Mrs. Tonia Batten

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Guest Editor
Canadian Light Source, 44 Innovation Blvd., Saskatoon, SK S7N 2V3, Canada
Interests: particle accelerators; electron beam diagnostics; control systems; machine learning; artificial intelligence.
Prof. Dr. Alessandro Cianchi

E-Mail Website
Guest Editor
Department of Physics, University of Rome Tor Vergata, 00133 Roma, Italy
Interests: particle accelerator; electromagnetism; electron beam diagnostics
Special Issues, Collections and Topics in MDPI journals
Dr. Thibaut Lefevre

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Guest Editor
European Organization for Nuclear Research (CERN), 1211 Geneva, Switzerland
Interests: particle accelerator; particle interaction with matter; beam diagnostics; beam cooling
Special Issues, Collections and Topics in MDPI journals
Dr. Junxia Wu

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Guest Editor
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Interests: heavy ion beam diagnostics

Special Issue Information

Dear Colleagues,

The International Beam Instrumentation Conference (IBIC) is dedicated to exploring the physics and engineering challenges of beam diagnostic and measurement techniques for particle accelerators worldwide.

We are delighted to announce that this Special Issue of Instruments will allow conference delegates to publish an expanded version of their conference proceedings in a peer-reviewed journal with global reach and impact.

Prof. Dr. Carsten P. Welsch
Mrs. Tonia Batten
Prof. Dr. Alessandro Cianchi
Dr. Thibaut Lefevre
Dr. Junxia Wu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Instruments is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Publisher's Notice

As stated above, the central purpose of this Special Issue is to present selected research from the International Beam Instrumentation Conference (IBIC) series. Given this purpose, and the fact that the Guest Editor team is composed of members of the IBIC Scientific Programme Committee who are actively involved in relevant research, the Guest Editors’ contribution to this Special Issue may be greater than that of standard Special Issues published by MDPI. Further details on MDPI's Special Issue guidelines can be found here: https://www.mdpi.com/special_issues_guidelines. The Editorial Office and Editor-in-Chief of Instruments have approved this, and MDPI's standard manuscript editorial processing procedure (https://www.mdpi.com/editorial_process) will be applied to all submissions. As per our standard procedure, Guest Editors are excluded from participating in the editorial process for their submission and/or for submissions from persons with whom a potential conflict of interest may exist. More details on MDPI’s Conflict of Interest policy for reviewers and editors can be found here: https://www.mdpi.com/ethics#_bookmark22.

Keywords

  • beam charge and current monitors
  • beam loss monitors and machine protection
  • beam position monitors
  • transverse profile and emittance monitors
  • longitudinal diagnostics and synchronization
  • feedback systems and beam stability
  • data acquisition and processing platforms
  • machine parameter measurements

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

32 pages, 3679 KB  
Article
Feasibility Study of Beam Loss Energy Estimation with an Optical Fibre-Based Detector
by Angus Jones, Joseph Wolfenden, Montague King, Antonio Gilardi, Lauryn Eley and Carsten P. Welsch
Instruments 2026, 10(3), 40; https://doi.org/10.3390/instruments10030040 - 31 Jul 2026
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Abstract
Optical fibre beam loss monitors (oBLMs) are in use at several accelerator facilities worldwide as an online, low-cost, and reliable beam loss monitoring solution. They measure beam loss locations through time-of-flight analysis of Cherenkov radiation produced in optical fibres by relativistic particle showers [...] Read more.
Optical fibre beam loss monitors (oBLMs) are in use at several accelerator facilities worldwide as an online, low-cost, and reliable beam loss monitoring solution. They measure beam loss locations through time-of-flight analysis of Cherenkov radiation produced in optical fibres by relativistic particle showers from beam loss events. They offer continuous accelerator coverage and can attain a beam loss location precision of 1 m or better. The recirculating multi-energy particle beams of energy recovery LINACs present difficulties in tracking losses from beam bunches throughout their journey in the machine. A potential solution is offered through estimation of the beam loss energy from the measured intensity of the oBLM signal, which could be used to determine the beam bunches associated with each loss signal. Monte Carlo simulations of beam loss interaction with the oBLM were performed in Geant4 to qualitatively investigate the feasibility of this method. The most feasible scenario occurs when the percentage change in the number of lost particles (loss intensity) from two beam losses is less than half of their corresponding percentage energy change. Otherwise, a complementary means of determining loss intensity is recommended for this method. Additionally, the relationship between beam energy and oBLM signal intensity was found to vary strongly with beam loss position relative to the fibre. Measurements were collected from the oBLM system installed at CLEAR, CERN; qualitative agreement was observed with the simulations, although quantitative analysis was not possible. Simulations were therefore identified as a critical component of oBLM energy estimation—to determine the expected behaviours of the oBLM signal on an accelerator and guide the analysis and interpretation of the intensity measurements. Full article
(This article belongs to the Special Issue Selected Papers from the International Beam Instrumentation Conference (IBIC) Series)
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18 pages, 1499 KB  
Article
Automation for High-Availability Bunch Arrival Time Monitors
by Jiri Kral, Jens Georg and Raimund Kammering
Instruments 2026, 10(3), 39; https://doi.org/10.3390/instruments10030039 - 24 Jul 2026
Viewed by 219
Abstract
Electro-optical bunch arrival time measurement is a method to monitor the timing of bunches in predominantly linear electron accelerators to below femtosecond precision. Despite the method being well established, a stable and fully available measurement was reported only recently. DESY’s free-electron lasers FLASH [...] Read more.
Electro-optical bunch arrival time measurement is a method to monitor the timing of bunches in predominantly linear electron accelerators to below femtosecond precision. Despite the method being well established, a stable and fully available measurement was reported only recently. DESY’s free-electron lasers FLASH and EuXFEL feature Bunch Arrival Time (BAM) diagnostics that serve as a standard operation data source for the facility’s longitudinal fast and slow stabilization, as well as an instrument available to the users for pump laser alignment and offline analysis. A comprehensive upgrade and R&D effort targeting the performance of DESY’s BAM was carried out in recent years. The complexity of the device poses challenges to its control layer, calibration, drift control, and operation setup. Solving these proved to be essential in reaching operational stability and high availability. We report on the updates to the BAM controls and the development of automation of numerous tasks that contributed a great deal to achieving long-term stability and full run availability. Full article
(This article belongs to the Special Issue Selected Papers from the International Beam Instrumentation Conference (IBIC) Series)
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20 pages, 6994 KB  
Article
Design of Spectrometer Energy Measurement Setups for the Future EuPRAXIA@SPARC_LAB and SSRIP Linacs
by Danilo Quartullo, David Alesini, Alessandro Cianchi, Francesco Demurtas, Luigi Faillace, Giovanni Franzini, Andrea Ghigo, Anna Giribono, Riccardo Pompili, Lucia Sabbatini, Angelo Stella, Cristina Vaccarezza, Alessandro Vannozzi and Livio Verra
Instruments 2025, 9(4), 34; https://doi.org/10.3390/instruments9040034 - 17 Dec 2025
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Abstract
EuPRAXIA@SPARC_LAB is an FEL (Free-Electron Laser) user facility currently under construction at INFN-LNF in the framework of the EuPRAXIA collaboration. The electron beam will be accelerated to 1 GeV by an X-band RF linac followed by a plasma wakefield acceleration stage. This high-brightness [...] Read more.
EuPRAXIA@SPARC_LAB is an FEL (Free-Electron Laser) user facility currently under construction at INFN-LNF in the framework of the EuPRAXIA collaboration. The electron beam will be accelerated to 1 GeV by an X-band RF linac followed by a plasma wakefield acceleration stage. This high-brightness linac requires diagnostic devices able to measure the beam parameters with high accuracy and resolution. To monitor the beam energy and its spread, magnetic dipoles and quadrupoles will be installed along the linac, in combination with viewing screens and CMOS cameras. Macroparticle beam dynamics simulations have been performed to determine the optimal energy measurement setup in terms of accuracy and resolution. Similar diagnostics evaluations have been carried out for the spectrometer installed at the 100 MeV RF linac of the radioactive beam facility SSRIP (IFIN-HH, Romania), whose commissioning, foreseen for 2026, will be performed by INFN-LNF in collaboration with IFIN-HH. Optics measurements have been performed to characterize the resolution and magnification of the optical system that will be used at SSRIP, and probably also at EuPRAXIA@SPARC_LAB, for beam energy monitoring. Full article
(This article belongs to the Special Issue Selected Papers from the International Beam Instrumentation Conference (IBIC) Series)
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