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Laboratoire d'Annecy-le-Vieux de
Physique Théorique


LAPTh, an overview

LAPTh is a mixed research unit (UMR 5108) of the CNRS lapth-lapp(within the Institute of Physics, INP) and the Université de Savoie. It is  located in Annecy-le-Vieux, 5km from the centre of Annecy and about 40km from CERN and Geneva.  The activities of LAPTh are centred around three main areas of research:

  • phenomenology of particle physics,
  • astroparticles and cosmology,
  • mathematical physics in particular field and string theory and  aspects of symmetry. 


Unknown forces could be hiding in the values of fundamental constants


The values of fundamental constants of nature might be affected by new particles and unknown forces of nature, according to a study by an international group of researchers that includes Cédric Delaunay from LAPTh (Annecy) and Jean-Philippe Karr from LKB (Paris). The findings were published in the journal Physical Review Letters (https://doi.org/10.1103/PhysRevLett.130.121801).

Read more: Unknown forces could be hiding in the values of fundamental constants


Pasquale Serpico, lauréat du Prix Friedel-Volterra 2022

serpico.pasquale lapth laureat

Le prix Friedel-Volterra 2022 de la SFP a été décerné à Pasquale Serpico chercheur au LAPTh.

Pour honorer la mémoire de Vito Volterra et Jacques Friedel, la Société italienne de physique (SIF) en collaboration avec la Société française de physique (SFP), décerne un prix à un physicien impliqué dans une collaboration italo-française, en reconnaissance de son travail distingué pour ses recherches en physique menées au cours des 10 dernières années.

L'ensemble du laboratoire le félicite.

En savoir plus ici


Research involving LAPTh astroparticle group members makes the INTEGRAL picture of the month.


A new analysis of the ESA INTEGRAL/SPI satellite data ("Diffuse Galactic emission spectrum between 0.5 and 8.0 MeV") of LAPTh members (Joanna Berteaud, Francesca Calore, Joaquim Iguaz and Pasquale Serpico) with researchers of the Max-Planck-Institute for extraterrestrial Physics and Univ. of Würzburg was able to set a new record in determining the diffuse Galactic soft gamma-ray photon spectrum in the 0.5-8.0 MeV band, superseding the existing best measurements (due to the Compton telescope onboard NASA's Compton Gamma-Ray Observatory) going back to two decades ago.

Read more: Research involving LAPTh astroparticle group members makes the INTEGRAL picture of the month.


Portrait de chercheur David Andriot


"I have the chance to become this year a member of the CNRS within the LAPTh, as a Directeur de Recherche. This is to me an old dream becoming true. Indeed, already in high school, I became interested in theoretical physics of fundamental interactions. I remember some popular scientific works that led me to decide to try to become a researcher in this field. From there, I went to classes préparatoires, then to the École Normale Supérieure de Lyon, did a Ph.D. at UPMC Paris 6, and then 11 years of fixed term contracts in Europe, before being finally offered a permanent position. During my stays in Germany (LMU and MPI Munich, MPI Potsdam), in Switzerland (CERN Geneva) and in Austria (TU Wien), my wife joined me, followed then by two children. We all had nice experiences abroad, but we are eventually happy to be back to France, and in addition, to Rhône-Alpes where we come from.

Read more: Portrait de chercheur David Andriot


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