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Particle Physics

Job

Doctorate Fellowship in Neutrino Physics

Instituto Tecnológico de Aeronáutica (ITA) · São José dos Campos, Brazil

Closes today

The ITA DUNE group seeks a doctoral researcher to analyse low-energy neutrino interactions using ProtoDUNE data, identify experimental signatures and develop background-mitigation strategies. The position is in São José dos Campos, Brazil, with a planned March 2027 start. Applications and the separate ITA doctoral admissions submission are due on 10 October 2026. The official notice provides the investigator’s submission instructions and required references.

Job

Detector Simulation Physicist

CERN · Geneva, Switzerland

Closes tomorrow

CERN is recruiting a detector-simulation physicist to develop GPU-accelerated Monte Carlo software in the Geant4 team, with a focus on optical-photon transport. The work includes GPU algorithm design, validation against established CPU simulations, performance profiling and optimisation, and integration with experimental software frameworks. The 24-month hybrid appointment is based in Geneva with an ideal start date of 1 January 2027. Applications close on 11 October 2026 at 23:59 Geneva time.

Seminar

Precision High Scale Baryogenesis

Chee Sheng Fong · Universidade Federal do ABC

Tue, Oct 13 · 14:00 UTC · Online

Explaining the cosmic matter–antimatter asymmetry requires baryogenesis before Big Bang nucleosynthesis. A precise treatment must evolve baryon and lepton flavour charges while including the relevant Standard Model Yukawa interactions and electroweak and QCD sphaleron processes. This talk introduces a full-flavour-covariant formalism and a new formalism covariant under quark flavour transformations. Applications include SO(10) leptogenesis and cloistered baryogenesis. The work also produces BOLEH, a public general-purpose code for BaryOn and Lepton charge Evolution in the Hot big bang.

baryogenesisleptogenesisSeries: ICTP High Energy, Cosmology and Astroparticle Physics+1 more
Seminar

Messengers from imaginary time: instantons and topological non-perturbative physics — from quantum mechanics to QCD and experimental searches

Tomas Sykora · Faculty of Mathematics and Physics, Charles University

Thu, Oct 15 · 08:00 UTC · Hybrid

Tomas Sykora examines topological physics that perturbation theory cannot capture. Complex field configurations in path integrals include solitons, monopoles, domain walls, cosmic strings, sphalerons, baryon junctions and instantons; non-perturbative effects are central to confinement and hadron masses and spins. Starting with tunnelling in a double-well potential and imaginary time, the talk follows instantons into QCD, covering the theta vacuum, strong CP and axions, chiral symmetry breaking, topology and resurgence. It also considers whether a gluonic Y-shaped baryon junction carries baryon number instead of the valence quarks. The experimental discussion reviews instanton searches at HERA and the LHC, junction searches at RHIC, and prospective Electron-Ion Collider tests. No confirmed signal is claimed. Speaker: Tomas Sykora, Faculty of Mathematics and Physics, Charles University. Organized by Jiří Hejbal and Roman Lysák at FZU. Thursday 15 October 2026, 10:00–11:00 Europe/Prague (CEST). Attend at Dvořák Hall, FZU, Pod Vodárenskou věží 1, Prague, Czechia, or use the public Zoom link on the organizer’s event page.

instantonsSeries: FZU – Institute of Physics of the Czech Academy of Sciences

Opportunities

Job

Neutrino Theory Network Postdoctoral Fellowship

Fermilab / Neutrino Theory Network · United States

Closes in 6 days

Develop an independent research programme in neutrino physics or astrophysics that benefits current and future US experimental programmes. Fellows may choose a US university or national laboratory, with an option to divide time between two hosts by agreement. Support includes salary, benefits and USD 10,000 annually for research and travel over three years, subject to funding. Up to two awards are expected, with initial starts in autumn 2027.

Job

Postdoctoral position (f/m/d) | ATLAS Higgs data analysis

Max Planck Institute for Physics · Garching, Germany

Closes in 6 days

The ATLAS Muon Group seeks a postdoctoral researcher in experimental particle physics. The researcher will lead Run 3 Higgs analyses, focusing on off-shell Higgs production into Z-boson pairs or tau-lepton decays and hadronic-tau reconstruction. The group also develops FPGA trigger processors; hardware participation is optional. A particle-physics PhD and substantial data-analysis experience are required. Programming, machine learning, and statistical-fitting experience are useful. The initial contract lasts two years, with possible extension. Apply through the linked portal by 16 October 2026.

Job

Postdoctoral Researcher in Astrophysical Plasma Theory

Max Planck Institute for Nuclear Physics · Heidelberg, Germany

Closes

Join Brian Reville’s Astrophysical Plasma Theory Group for an initial two-year appointment. Use analytical and numerical methods in high-energy particle and astroparticle physics to investigate how next-generation gamma-ray instruments can constrain dark-matter candidates. Develop predictions for observations across wavelengths, interpret results and prepare scientific publications. Remuneration follows Germany’s TVöD public-sector agreement.

Job

Research Fellow in Experimental Particle Physics (MWAPP)

Monash University · Clayton, Australia

Closes

You are viewing this opportunity on our Indigenous-only applications page Join the School of Physics and Astronomy within the Faculty of Science as a Research Fellow and contribute to internationally recognised research in experimental particle physics. You will undertake high-impact research using data from the Large Hadron Collider (LHC) Run 3, with a focus on better understanding the Standard Model and identifying potential Beyond the Standard Model effects through the analysis of data from the LHCb experiment. Working within Monash’s experimental particle physics group, you will contribute to research that complements and extends the group’s existing program, with opportunities across areas including rare b-hadron decays, doubly heavy hadron production, charm CP violation and forbidden hyperon decays. You will also have the opportunity to combine experimental data analysis with phenomenological studies and contribute to the LHCb simulation framework, working closely with QCD phenomenologists at Monash. This role forms part of the final research phase of the Monash Warwick Alliance in Particle Physics (MWAPP) collaboration, with the research program scheduled for completion by Q3 2029. You will also have opportunities to contribute to research and development for the future LHCb Upgrade II or experiments at a future electron–positron collider, including emerging detector technologies such as SiPMs for single-photon timing measurements. The successful candidate must hold a PhD in particle physics or a closely related discipline. This is an exciting opportunity to develop your research expertise, collaborate within a leading particle physics research environment, and contribute to the search for new physics through the analysis of cutting-edge LHC data and the development of technologies for future experiments. Job No.: 694525 Location: Clayton campus Employment Type: Full-time Duration: 3-year fixed-term appointment Remuneration: $86,195 - $116,981 pa Level A (plus 17% employer superannuation)

Seminar

Geometry and Information in Precision Collider Physics

Benoit Assi · University of Cincinnati

Thu, Jun 25 · 15:00 UTC

Benoit Assi examines limits on reliable theoretical predictions for present and future particle colliders. Low-order simulations of QCD radiation carry large uncertainties, hadronization is commonly modeled rather than derived, and effective theories contain more operators than measurements can constrain. Information theory and machine learning can incorporate improved calculations into simulations, quantify uncertainty, choose informative observables and advance hadronization theory. Geometry of effective-theory field space combines infinite operator families into finite physical quantities, while information measures identify the combinations experiments can resolve. The talk develops these complementary approaches to extracting the available information from LHC and future-collider data.

VideoQCDinformation theorySeries: Perimeter Institute for Theoretical Physics
Podcast episode

370 | Daniel Akerib on a Faint Hint of Dark Matter

Sean Carroll's Mindscape

Published Mon, Oct 5

Physicist Daniel Akerib joins Sean Carroll to examine the search for weakly interacting massive particles and the challenges of directly detecting dark matter. They discuss a single unusual event in recent LUX-ZEPLIN data and why its low statistical significance warrants interest rather than a discovery claim. The conversation connects this result with Akerib’s experience in the Cryogenic Dark Matter Search, LUX and LUX-ZEPLIN experiments.

Seminar

CP Violation and Fundamental Questions in Particle Physics

Claudio Manzari · IAS

Wed, Jun 24 · 15:00 UTC

Claudio Manzari connects astrophysical observations and precision flavor measurements to two unresolved aspects of CP symmetry. For the strong CP problem, the talk considers QCD axions produced in a supernova core and converted to gamma rays by surrounding magnetic fields. A Galactic supernova could expose this distinctive transient, motivating the GALAXY network of telescopes monitoring the full sky. The second part examines the origin of flavor-sector CP violation through precise measurements of the CKM unitarity triangle. Possible hints of spontaneous CP violation are discussed alongside their implications for quark flavor and the fundamental symmetries of matter.

VideoCP violationQCD axionsSeries: Perimeter Institute for Theoretical Physics+1 more
Podcast episode

Lab Notes: Have we found dark matter?

Lab Notes

Published Wed, Sep 23

Jonathan Webb interviews Theresa Fruth of the University of Sydney about a potential dark-matter signal in the LUX-ZEPLIN xenon experiment. They explain how detector observations are interpreted, why the signal is of interest and what further evidence would be needed.

LUX-ZEPLINxenon experiment+5 more

New and updated

Grant

MPS Physics Research Programs (NSF 26-523)

U.S. National Science Foundation

Deadline not stated · Eligibility not stated

Supports fundamental physics through atomic, molecular and optical science; nuclear and particle physics; gravitation; plasma physics; living systems; quantum information; instrumentation and related programmes. Proposals are accepted at any time, with programme-specific target dates for review. Funding levels and duration vary; the solicitation does not promise a fixed individual award. Investigators should contact the relevant programme about overlapping proposals or existing Physics awards.

Conference

Workshop on Liouville Theory: Spacelike, Timelike and Beyond

Princeton, United States

Sep 30 – Oct 2, 2026

The Institute for Advanced Study's School of Natural Sciences convenes mathematicians and physicists working on Liouville theory for a three-day workshop spanning its spacelike, timelike and related formulations. Andreas Blommaert and Beatrix Muehlmann organize the programme at Rubenstein Commons, and the official event page states that drop-in attendance is welcome.

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