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Understanding the mass scales in nature

Total Cost €


EC-Contrib. €






Project "NEO-NAT" data sheet

The following table provides information about the project.


Organization address
city: PISA
postcode: 56126

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Italy [IT]
 Project website
 Total cost 1˙876˙215 €
 EC max contribution 1˙876˙215 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-ADG
 Funding Scheme ERC-ADG
 Starting year 2015
 Duration (year-month-day) from 2015-12-01   to  2021-11-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITA DI PISA IT (PISA) coordinator 839˙179.00


 Project objective

The experimental results of the first run of the Large Hadron Collider lead to the discovery of the Higgs boson but have not confirmed the dominant theoretical paradigm about the naturalness of the electro-weak scale, according to which the Higgs boson should have been accompanied by supersymmetric particles or by some other new physics able of protecting the Higgs boson mass from quadratically divergent quantum corrections.

While the second LHC run is going to explore physics at higher energies in the next years, it is now the right moment to explore and develop new non conventional ideas about the origin of mass scales in nature and in particular of the electro-weak scale. Indeed, new theoretical ideas prompted by the fact that the standard paradigm is challenged by experiments, have been emerging in the past 1-2 years and are acquiring interest. Furthermore, in view of the large backgrounds unavoidably present at the Large Hadron Collider, unexpected discoveries could be delayed or even missed if experimentalists are not searching in the right direction. The experimental signatures of the new non-conventional models need to be identified now.

Research performed by the PI and by the senior team members shows that concrete progress can be achieved in developing new non-conventional ideas about how the electroweak scale and the gravitational Planck scale can be dynamically generated with a vastly different ratio, as observed in nature. However, dedicated funding is needed for younger researches that want to explore such directions outside the mainstream. The main goal of this project is developing such new ideas and identifying their experimental signals.


year authors and title journal last update
List of publications.
2018 J. R. Espinosa, D. Racco, A. Riotto
Cosmological Signature of the Standard Model Higgs Vacuum Instability: Primordial Black Holes as Dark Matter
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.121301
Physical Review Letters 120/12 2019-10-07
2018 Giulio Maria Pelaggi, Alexis D. Plascencia, Alberto Salvio, Francesco Sannino, Juri Smirnov, Alessandro Strumia
Asymptotically safe standard model extensions?
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.97.095013
Physical Review D 97/9 2019-10-07
2018 Guido D’Amico, Paolo Panci, Alessandro Strumia
Bounds on Dark-Matter Annihilations from 21-cm Data
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.011103
Physical Review Letters 121/1 2019-10-07
2018 Javi Serra, Riccardo Torre
Neutral naturalness from the brother-Higgs model
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.035017
Physical Review D 97/3 2019-10-07
2018 James M. Cline, José R. Espinosa
Axionic landscape for Higgs coupling near-criticality
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.035025
Physical Review D 97/3 2019-10-07
2017 Andrea Mitridate, Michele Redi, Juri Smirnov, Alessandro Strumia
Dark matter as a weakly coupled dark baryon
published pages: , ISSN: 1029-8479, DOI: 10.1007/JHEP10(2017)210
Journal of High Energy Physics 2017/10 2019-10-07
2018 Valerio De Luca, Andrea Mitridate, Michele Redi, Juri Smirnov, Alessandro Strumia
Colored dark matter
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.97.115024
Physical Review D 97/11 2019-10-07
2018 J. R. Espinosa, T. Konstandin
Resummation of Goldstone infrared divergences: A proof to all orders
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.056020
Physical Review D 97/5 2019-10-07
2017 J. R. Espinosa, M. Garny, T. Konstandin, A. Riotto
Gauge-independent scales related to the standard model vacuum instability
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.95.056004
Physical Review D 95/5 2019-10-07
2018 J. R. Espinosa, D. Racco, A. Riotto
Primordial black holes from Higgs vacuum instability: avoiding fine-tuning through an ultraviolet safe mechanism
published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-018-6274-2
The European Physical Journal C 78/10 2019-10-07

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