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Asymptotic Safety meets Particle Physics & Friends

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DESY Hamburg

DESY Hamburg
Description

Welcome to the homepage of the 2025 edition of the  'Asymptotic Safety meets Particle Physics and Friends' workshop, taking place on Dec 15th - 18th at DESY, Hamburg.

The aim of this informal workshop is to bring together QFT practitioners from different areas to discuss new ideas, progress, and challenges at the interface between formal theory and model building and data. Topics to be covered range from critical phenomena,  particle physics, condensed matter, gravity, to new directions in model building and LHC phenomenology, and more. This is the 12th event of this kind. The previous workshop is found here.

There is no conference fee. Registration is open for invited participants.

We have reserved a limited number of rooms at the DESY hostel.  Please register there ASAP mentioning and the name of workshop.

 

Sessions on Monday, Tuesday morning and Wednesday morning will take place in the main auditorium (Building 05). 

Sessions on Tuesday afternoon, Wednesday afternoon and Thursday morning take place in the Albert Einstein Flash Hall (Building 28C). 

A map of the DESY campus is found here.

The workshop dinner will take place on Tuesday, 19:00 at Dübelsbrücker Kajüt,  Elbchaussee 303, 22605 Hamburg.

 

 

 

 

 

 

This workshop is supported by the Helmholtz Alliance ``Physics at the Terascale".  

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  • Monday 15 December
    • Lunch DESY canteen

      DESY canteen
    • Afternoon Session DESY Auditorium

      DESY Auditorium
      • 13:45
        Welcome
      • 1
        The Gradient Flow in QCD and other theories
        Speaker: Robert Harlander (RWTH Aachen University)
        Hamburg_Gravity.pdf
      • 2
        Renormalizing the Non-Renormalizable
        Speaker: Yannick Kluth (University of Toronto)
        renorm-NonRenorm.pdf
      • 15:30
        Coffee
      • 3
        Gradient Flow
        Speaker: Oliver Witzel (Universität Siegen)
        Plaq_mu0_nu3.avi
        witzel_oliver.pdf
      • 4
        Surprises on the way to the QCD phase diagram
        Speakers: Owe Philipsen (Goethe-University Frankfurt), Owe Philipsen
        hamburg25.pdf
      • 17:30
        Discussion
  • Tuesday 16 December
    • Morning Session DESY Auditorium

      DESY Auditorium
      • 5
        Fixed points of classical Gravity
        Speaker: Neil Turok (University of Edinburgh)
      • 6
        Four-fermion interactions in four dimensions
        Speaker: Charlie Cresswell-Hogg
        4Fin4d.pdf
      • 11:00
        Coffee
      • 7
        Spectral Functions in Lorentzian Quantum Gravity
        Speaker: Gabriel Assant
        DESY_Assant.pdf
      • 8
        Towards Four Scalars Scattering in Asymptotically Safe Quantum Gravity
        Speaker: Angelo Portas Chiesa (University of Sussex)
        Portas-Chiesa-hamburg-25.pdf
    • Lunch DESY canteen

      DESY canteen
    • Afternoon Session FLASH experimental hall "Albert Einstein"

      FLASH experimental hall "Albert Einstein"
    • Lunch: Dinner Dübelsbrücker Kajüt

      Dübelsbrücker Kajüt
  • Wednesday 17 December
    • Morning Session DESY Auditorium

      DESY Auditorium
      • 13
        Gross-Neveu-Yukawa @ five loops
        Speaker: Peter Marquard (DESY)
        marquard.pdf
      • 14
        Operator renormalisation with emergent Supersymmetries
        Speaker: Mrigankamauli Chakraborty (Univeristy of Hamburg)
        emg_susy_talk.pdf
      • 10:45
        Coffee
      • 15
        Spontaneous breaking of SO(2N) in 3d Gross-Neveu
        Speaker: Max Uetrecht (TU Dortmund University)
        Uetrecht_GrossNeveu_SO2N.pdf
      • 16
        On the universal content of the proper time flow in scalar and Yang-Mills theories
        Speaker: Daniele Rizzo (KBFI-Tallinn)
        Daniele_Rizzo.pdf
    • Lunch DESY canteen

      DESY canteen
    • Afternoon Session FLASH experimental hall "Albert Einstein"

      FLASH experimental hall "Albert Einstein"
      • 17
        The real scalar singlet extension: theory and experimental probes
        Speaker: Simone Tentori (UCLouvain)
        DESY_tentori.pdf
      • 18
        Singlet Extensions and vacuum stability
        Speaker: Moritz Bosse
        Bosse.pdf
      • 19
        Stabilizing dark matter with quantum scale symmetry
        Speaker: Enrico Maria Sessolo
        Sessolo_DESY_2025.pdf
      • 15:45
        Coffee
      • 20
        Quark and lepton mixing in the Asymptotic Safe Standard Model
        Speaker: Zois Gyftopoulos (Heidelberg University)
        AS-ParticlePjhysicsHamburg.pdf
      • 21
        Quantum entanglement in perturbative scattering
        Speaker: Dr Kamila Kowalska (National Centre for Nuclear Research)
        2025.12.17_Hamburg.pdf
      • 17:30
        Discussion
  • Thursday 18 December
    • Morning Session FLASH experimantal hall "Albert Einstein"

      FLASH experimantal hall "Albert Einstein"
      • 22
        Functional Methods at (Multi-)Loop Order: Progress in EFT Matching and Running
        Speaker: Dr Anders Eller Thomsen (University of Bern)
        DESY_2025.pdf
      • 23
        Spontaneous CP breaking as a solution to the strong CP problem in SUSY
        Speaker: Martin Schmaltz
        Strong_CP_SUSY_talk_2025.pdf
      • 11:00
        Coffee
      • 24
        UV completing super-Yang-Mills theories through asymptotic safety
        Speaker: Gabriel Picanco Costa
        AS_SYM_Gabriel_Picanco.pdf
      • 25
        Primordial Black Holes -- Positivist Perspective, Quantum Quiddity and Galaxy Genesis
        Speaker: Florian Kühnel
        Kuhnel, Florian - DESY Workshop - December 2025.pdf
      • 13:00
        Discussion, Farewell & Lunch
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