Name: LLP2025: Fifteenth workshop of the Long-Lived Particle Community
Start: 2025-06-02T07:00:00+02:00
End: 2025-06-06T19:00:00+02:00
Location: València - ADEIT

LLP2025: Fifteenth workshop of the Long-Lived Particle Community

from Monday 2 June 2025 (07:00) to Friday 6 June 2025 (19:00)

Monday 2 June 2025

09:00

09:00 - 09:30
09:30
09:30 - 10:10
Contributions

09:30 Introduction to the LLP Community - José Francisco Zurita (IFIC - Univ. of Valencia and CSIC (ES))

09:40 Welcome from the IFIC authorities - Nuria Rius

09:50 Welcome from the GVA authorities - Rafael Sebastian (DG Science and Research. Consellería de Educación, Cultura, Universidades y Ocupación, GVA)

10:00 Details on logistics - Emma Torro Pastor (Univ. of Valencia and CSIC (ES))
10:10
10:10 - 11:10
Contributions

10:10 LHCb overview and latest results - Andrii Usachov (Nikhef and VU (NL))

10:40 CMS: Overview of recent LLP results - Bryan Cardwell (University of Virginia (US))
11:10 Coffee
Coffee
11:10 - 11:40
11:40
11:40 - 12:40
Contributions

11:40 ATLAS: Overview of recent LLP results - Louie Dartmoor Corpe (Laboratoire de Physique Clermont Auvergne (LPCA))

12:10 The MoEDAL-MAPP experiment – Status Report - Igor Ostrovskiy (The University of Alabama)
12:40
12:40 - 13:00
Contributions

12:40 Latest results from the NA64 experiment - Balint Radics (York University)
13:00 Lunch
Lunch
13:00 - 15:00
15:00
15:00 - 16:20
Contributions

15:00 Recent results from the SND@LHC experiment - Zhibin Yang (EPFL - Ecole Polytechnique Federale Lausanne (CH))

15:20 Neutrino results from FASER - Wissal Filali (Bonn (DE))

15:40 Long lived BSM particle searches at FASER - Sinead Eley (University of Liverpool (GB))

16:00 First NA62 search for long-lived new physics particle hadronic decays - Jan Jerhot (Max Planck Society (DE))
16:20 Coffee
Coffee
16:20 - 16:50
16:50
16:50 - 18:30
Contributions

16:50 Heavy Neutral Leptons in Ice, Water and Rock - Nicholas Kamp (Harvard University)

17:10 UHE muons at KM3NeT in the context of the anomalous ANITA-IV events - Antoni Bertólez-Martínez (Departament de Física Quàntica i Astrofísica, Universitat de Barcelona)

17:30 Probing long-lived HNLs via top-philic interactions at the LHC - Rebeca Beltran (IFIC (CSIC-UV))

17:50 Probing HNL properties through their lifetime distribution - Juraj Klaric (Universiteit van Amsterdam, Nikhef)

18:10 Lepton Number Violation in Symmetry-protected Seesaw Models - Bruno M. S. Oliveira (Centro de Física Teórica de Partículas (CFTP), Instituto Superior Técnico (IST), Universidade de Lisboa (UL))
18:30

18:30 - 19:30
Tuesday 3 June 2025
09:30
09:30 - 11:00
Contributions

09:30 Cosmology and Long-Lived Particles - Jose Miguel No (IFT-UAM/CSIC)

10:00 Exploring Long-Lived Hidden Valleys - Joshua Lockyer

10:20 Dark showers from sneaky dark matter - Adrian Carmona Bermudez (Universidad de Granada (ES))

10:40 Probing conversion-driven freeze-out at the LHC - Lucas Magno Dantas Ramos
11:00 Coffee
Coffee
11:00 - 11:30
11:30
11:30 - 13:10
Contributions

11:30 Search for emerging jets in pp collisions at √s=13.6 TeV with the ATLAS experiment - Luka Selem (CNRS – LPSC)

11:50 Searches for displaced Scalar decays to dimuons: LHCb’s extended reach in Run 3 - Izaac Sanderswood (Univ. of Valencia and CSIC (ES))

12:10 CMS: Muon detector showers with B-parking dataset - Daniel Diaz (Univ. of California San Diego (US))

12:30 Search for displaced leptons in 13 TeV and 13.6 TeV 3 $pp$ collisions with the ATLAS detector - Yvonne Ng (Univ. Illinois at Urbana Champaign (US))

12:50 CMS: Dark showers in B-parked data - Kai Hong Law (Imperial College (GB))
13:10 Lunch
Lunch
13:10 - 15:10
15:10
15:10 - 16:30
Contributions

15:10 Searches for Long-Lived Particles with MATHUSLA - Runze Ren

15:30 Update on the CODEX-b Experiment - Emilio Xose Rodriguez Fernandez (Universidade de Santiago de Compostela (ES))

15:50 Exploring the Projected Sensitivity of the ANUBIS detector to exotic LLP models - Michael Revering (University of Cambridge (GB))

16:10 SHIFT: Shifted Interaction on a Fixed Target - Jeremi Niedziela (Deutsches Elektronen-Synchrotron (DE))
16:30 Coffee
Coffee
16:30 - 17:00
17:00
17:00 - 18:10
Contributions

17:00 Status of GeV-scale LLPs - Maksym Ovchynnikov (CERN)

17:30 Leptophilic ALPs in Laboratory Experiments - Marco Fedele

17:50 Underexplored Challenges in LLP/FIP Searches at Colliders and Cosmology - Brij Kishor Jashal (Rutherford appelton laboratory)
18:10 [CLOSED SESSION to SC and LOC] Logistics for LLP2026
[CLOSED SESSION to SC and LOC] Logistics for LLP2026
18:10 - 18:40
Wednesday 4 June 2025
09:30
09:30 - 11:10
Contributions

09:30 Long-lived Light Mediators in a Higgs Portal Model at the FCC-ee and FCC-hh - Rhitaja Sengupta (BCTP and Physikalisches Institut der Universität Bonn, Germany)

09:50 Long-Lived Particle Searches at a Future Higgs Factory with the ILD experiment - Jan Franciszek Klamka (University of Warsaw (PL))

10:10 Heavy Neutral Leptons without prejudice - Kuldeep Deka (New York University Abu Dhabi)

10:30 The LOHENGRIN Experiment: Status and Theory Predictions - Martin Schürmann

10:50 Improved Mass Bounds on HECOs via Dyson-Schwinger Resummation Technique - Emanuela Musumeci (IFIC - Univ. of Valencia and CSIC (ES))
11:10 Photo. Coffee
Photo. Coffee
11:10 - 11:40
11:40
11:40 - 13:00
Contributions

11:40 The SHiP Experiment - Albert De Roeck (Imperial College (GB)) Albert De Roeck (CERN)

12:10 First physics results from milliQan - Chris Hill (Ohio State University (US))

12:30 The Forward Physics Facility - Juan Salvador Tafoya Vargas (University of California Davis (US))
13:00 Lunch
Lunch
13:00 - 15:00

15:00 Free time
Free time
15:00 - 18:30

18:30

18:30 - 20:30

20:30 Workshop dinner at Only You
Workshop dinner at Only You
20:30 - 22:30

22:30 Dinner Menu
Dinner Menu
22:30 - 22:50
Thursday 5 June 2025
10:10
10:10 - 11:10
Contributions

10:10 Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in $\sqrt{s}$ = 13 TeV pp collisions with the ATLAS detector - Guglielmo Frattari (Brandeis University (US))

10:30 CMS: Compressed electroweakinos in events with a low-momentum, displaced track - Samuel Louis Bein (Universite Catholique de Louvain (UCL) (BE))

10:50 Results and prospects of an LHCb Run 3 HNL analysis with very displaced vertex reconstruction - Spencer Collaviti
11:10 Coffee
Coffee
11:10 - 11:40
11:40
11:40 - 13:00
Contributions

11:40 Placing Bounds on New Physics with Displaced Photons - Joel Jones-Perez

12:00 Long-lived particles in a scotogenic-like model - Giovanna Cottin (Pontificia Universidad Católica de Chile (CL))

12:20 Using BDTs as Surrogate Models for BSM searches in ATLAS - Abdelhamid Haddad (Laboratoire de Physique de Clermont-Auvergne (LPCA))

12:40 Probing exotic long-lived particles from the prompt side using the CONTUR method - Bruna Pascual (Université Clermont Auvergne (FR))
13:00 Lunch
Lunch
13:00 - 15:00
15:00
15:00 - 16:50
Contributions

15:00 ATLAS: TLA/anomaly - Tatiana Ovsiannikova (University of Washington (US))

15:30 CMS: scouting & parking - Robert John Bainbridge (Imperial College (GB))

15:55 CMS: Anomaly Detection Triggers - Jannicke Pearkes (University of Colorado Boulder (US))

16:10 BuSca: New Strategies for LLP Searches at 30 MHz at LHCb - Valerii Kholoimov (Instituto de Física Corpuscular (Univ. of Valencia))

16:30 Discussion
16:50 Coffee
Coffee
16:50 - 17:20
17:20
17:20 - 18:40
Contributions

17:20 Search for massive, long-lived charged particles with large specific ionisation and low-$\beta$ in $140~\mathrm{fb^{-1}}$ of $pp$ collisions at $\sqrt{s} = 13$~TeV using the ATLAS experiment - Judith Höfer (IFIC (Univ. of Valencia and CSIC) (ES))

17:40 CMS: VLLs in the muon system - Daniel Guerrero (Fermi National Accelerator Lab. (US))

18:00 Limits on long-lived axion-like particles from previous searches for exotic decays of the Higgs boson with the ATLAS detector - Marzieh Bahmani (Humboldt University of Berlin (DE))

18:20 Search for long-lived particles in the ATLAS hadronic calorimeter in association with leptons or jets using 13 TeV collision data - Gordon Watts (University of Washington (US))
Friday 6 June 2025
09:30
09:30 - 10:30
Contributions

09:30 Long-Lived Particle Searches at Beam-Dump Experiments - Josu Hernandez Garcia (Instituto de Física Corpuscular (IFIC), CSIC-UV)

09:50 Beyond Standard Model searches @protoDUNE-SPS - Animesh Chatterjee (CERN)

10:10 Probing for light new particles with the LUXE experiment - Raquel Quishpe Quishpe (Karlsruhe Institute of Technology)
10:30 Coffee
Coffee
10:30 - 11:00
11:00
11:00 - 11:40
Contributions

11:00 Dark Higgs interpretation of H -> LLP LLP searches - Alberto Escalante Del Valle (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))

11:20 Revealing the Origin of Neutrino Masses through Displaced Shower Searches in the CMS Muon System - Wei Liu (Nanjing University of Science and Technology)
11:40
11:40 - 12:20
Contributions

11:40 CMS: Search for long-lived particles using displaced vertices with low-momentum tracks and missing transverse momentum in proton-proton collisions at $\sqrt{s}=13$ TeV - Ang Li (Austrian Academy of Sciences (AT))

12:00 Search for events with one displaced vertex from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\sqrt{s} = 13$ TeV - Julian Friedrich Wack (University of Cambridge (GB))
12:20
12:20 - 12:40
Contributions

12:20 Looking forward to LLP 2026 - TBC

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