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Juan Alcaraz Carlos Pena Joachim Mnich

The Higgs Boson turns 10 years old (Part II)

Life and Matter Sciences Seminar Thursday, 12 May 2022, 18:00 hours Madrid

General information:

Venue: Fundación Ramón Areces - salón de actos. Calle Vitruvio, 5. 28006. Madrid.

Free admission. Necessary previous online registration. Limited capacity. Simultaneous interpretation.

It belongs to the cycle: The Higgs Boson turns 10 years old.

In cooperation with:

Real Academia de Ciencias, CIEMAT and CERN

  • Description
  • Programme
  • Speaker/s

On July 4 2022, 10 years will have gone since the announcement made at the CERN Main Auditorium of the discovery of the Higgs Boson at the CERN accelerator LHC (Large Hadron Collider). The discovery of this elementary particle, theoretically predicted in 1964, completes de Standard Model of Elementary Particle Physics, formulated in the sixties, which is, undoubted, one the greatest creations in physics developed in the second half of the XX century, as shown by the nearly thirty Nobel Prizes given to its most prestigious protagonists by the Royal Swedish Science Academy, among them François Englert and Peter Higgs in 2013, for inventing the Brout-Englert-Higgs mechanism of the spontaneous electroweak symmetry breaking, establishing the need of the Higgs Boson. The Swedish Academy explicitly recognized the decisive role played by CERN in its decision.

Fundación Ramón Areces wants to pay tribute to this formidable achievement with the organization of two scientific sessions in which the fundamental theoretical developments and the high precision measurements establish the basis for the search will be discussed. The very large scientific diplomacy and technological process leading to the construction of an exceptional infrastructure at CERN, the large hadron collider, will also be discussed, as well as its experimental areas, the systems for the detection of interactions, the storage and processing of large amounts of data, and the development of new highly complex algorithms, allowing the discovery of the Higgs Boson. This discovery is a wonderful milestone in the process of gathering deep knowledge on the microscopic world and a paradigmatic example of talent, stubbornness, determination and ability to overcome a variety of enormous challenges by the community of high energy elementary particle physicists, confirming the undisputed world leadership of CERN this field of fundamental research.  

In this Symposium, the relevant contributions of the Spanish scientific industrial communities to the development of this unique and ambitious adventure of knowledge will also be emphasized.

Juan Alcaraz. The Higgs Boson: Its discovery, what we have learnt after a decade of research
The Higgs Boson is an essential component of the standard model of elementary particle physics. Its search, initiated in a systematic way more than 30 years ago, was rewarded with its discovery by the ATLAS and CMS collaborations at the LHC collider in 2012. Its properties have been studied in detail for over a decade, with results that have widely surpassed the most optimistic expectations. This fits into an unprecedented international effort at both scientific and technological level, with Spanish research groups playing a major role. In this presentation we will review several aspects of its discovery, the present research status and the future plans.

Carlos Pena. The horizon of Particle Physics
Fundamental Physics is witnessing confusing and exciting times, as our theories and models are measured against immense experimental efforts. The talk will provide a panorama of current research efforts in Particle Physics from a theory viewpoint. We will discuss open problems and conceptual issues but, above all, the challenges faced by the Standard Model to explain and describe the available and upcoming data.

Joachim Mnich.  CERN Views on the Future of Particle Physics
The first observation of a Higgs Boson 10 years ago by the experiments at the Large Hadron Collider (LHC) was a centennial discovery shaping the field of particle physics. This is reflected by the 2020 Update of the European Strategy for Particle Physics in which an electron-positron Higgs factory is identified as highest priority project to succeed the LHC together with the long- term goal of a energy frontier hadron collider reaching approximately 100 TeV in the cms system. Following these recommendations CERN has initiated a feasibility study for a Future Circular Collider of about 100 km circumference which would be operated in its first stage as an electron-positron Higgs factory and in a second phase as a hadron collider. The status and goals of this project will be reported.

Thursday, 12 May

17:30 h.

Attendees check-in

18:00 h.


The Higgs Boson turns 10 years old (Part II)


Manuel Aguilar  
Consejo Científico de la Fundación Ramón Areces.



The Higgs Boson: Its discovery, what we have learnt after a decade of research

Juan Alcaraz   


The horizon of Particle Physics

Carlos Pena     
Universidad Autónoma de Madrid and IFT/UAM-CSIC.


CERN Views on the Future of Particle Physics

Joachim Mnich   



  Juan Alcaraz

Physics PhD by the Universidad Complutense de Madrid. Most of his scientific career has been associated to CERN and to particle physics research. He has been analysis coordinator and member of the executive and management boards of the L3 (LEP collider) and CMS (LHC collider) experiments, which were essential in the search and discovery of the Higgs boson.

Experimental physicist with extensive and demonstrated experience in standard model studies and the search for new particles, he has published more than 1000 scientific articles in specialized scientific journals and given numerous seminars and presentations at various university departments, laboratories and scientific conferences.


   Carlos Pena

PhD in Physics from the Universidad Autónoma de Madrid, member of IFT, Institute of Theoretical Physics (mixed center CSIC-Universidad Autónoma de Madrid). Internationally recognized expert in theoretical calculations in Lattice Quantum Chromodynamics.

Founding member of the consortium Coordinated Lattice Simulations and member of the collaboration ALPHA and of the Flavour Averaging Lattice group. At present time, he leads at the IFT the group on Lattice Flavour Physics. He has been Principal Investigator in two Projects of Excellence at the Ministry of Research, has received funds to participate in international collaborations and support from the Programa Ramón y Cajal.

Currently, his research activities are focused in flavor physics (charm and bottom) and in qualitative analyses in the underlying dynamics and phenomenology of kaons dominated by strong non perturbative effects. Recently, motivated by the covid-19 pandemic, he has been involved in the development of epidemiological mathematical models.


 Joachim Mnich

PhD in physics from the RWTH Aachen University (1987). Has participated in the experiments MARK J at the electron-positron accelerator PETRA at the DESY Laboratory (Hamburg), L3 at electron-positron accelerator LEP and CMS at the proton-proton accelerator LHC, both of them at CERN (1987-2004).

Professor at the RWTH Aachen University (2000-2004), Leading Scientist in DESY (2005-2008), Research Director at DESY (2009-2020), Director for Research and Computing at CERN since 2021.

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