Talks (non-conference)

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2018-04-06
13:45
OpenAccess [PUBDB-2018-01635] Talk (non-conference) (Invited)

Beyond the Standard Model: Non-minimal Supersymmetry at the LHC
GK 1504 Concluding colloquium, Meeting locationHU Berlin, 9 Mar 20182018-03-09  GO
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2018-03-25
23:19
OpenAccess [PUBDB-2018-01555] Talk (non-conference) (Invited)

The fate of Little Higgs Models with LHC Run 2 data
Seminar, Meeting locationGrenoble, CNRS Grenoble, France, 21 Mar 2018 - 21 Mar 20182018-03-212018-03-21  GO
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2018-03-16
11:16
OpenAccess [PUBDB-2018-01490] Talk (non-conference) (Invited)

Proposal of new BSM searches at the LHC and at telescopes
 GO
The LHC has pushed the scale of the needed new physics (NP) beyond the ~ TeV range. How to experimentally test NP models at and beyond those scales?A first possibility is to look for low energy remnants of such theories, like pseudo-Goldstone bosons (aka ALPs) from an approximate global symmetry. [...]
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2018-03-15
20:26
OpenAccess [PUBDB-2018-01489] Talk (non-conference) (Invited)

The flattened road to acceleration in string theory
DAMTP Wednesday HEP-GR Colloquium, Meeting locationCambridge, Cambridge University, United Kingdom, 21 Feb 2018 - 21 Feb 20182018-02-212018-02-21  GO
Stages of accelerated expansion during the history of the universe – both a very late and very early variant – have very strong support from cosmological data. A phase of (almost) de Sitter space-time can describe both stages of acceleration, both the extremely tiny dark energy of today and the stage of cosmological inflation early on. [...]
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2018-03-05
15:15
OpenAccess [PUBDB-2018-01378] Talk (non-conference) (Invited)

Probing the early Universe with gravitational waves
Joint Seminar, Meeting locationRehovot, Tel-Aviv, Weizmann Institute, Israel, Israel, 14 Feb 2018 - 15 Feb 20182018-02-142018-02-15  GO
Gravitational waves are unique messengers to explore the very early universe, probing energy ranges far beyond the reach of photon or even neutrino astronomy. The holy grail in this context is to detect imprints left by cosmic inflation, which would shed light on the microphysics of inflation as well as on the entire subsequent cosmological history. [...]
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2018-03-01
16:26
[PUBDB-2018-01353] Talk (non-conference)

Baryon Number: a Key to Physics Beyond the Standard Model
Seminar I.N.F.N. Firenze, Meeting locationINFN Firenze,
Baryon number, one of the accidental global symmetries of the Standard Model, can act as a key to open the door to new physic. After a recap of the history of theories for baryon number, I will show that interesting implications arise from writing down a consistent gauge theory for baryon number. [...]

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2018-02-28
14:52
[PUBDB-2018-01334] Talk (non-conference) (Invited)

Bootstrapping an Argyres-Douglas theory
Seminar, Meeting locationUppsala, Uppsala University, Sweden, 28 Feb 20182018-02-28
We approach the "simplest" Argyres-Douglas theory by employing numerical and analytical bootstrap techniques. We "zoom in" to the theory by specifying Coulomb branch data, and obtain constraints on its operator spectrum and OPE coefficients. [...]

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2018-02-24
10:52
[PUBDB-2018-01308] Talk (non-conference) (Invited)

Dark Matter from dark sectors: phenomenology and challenges
I will discuss some phenomenological consequences of extensions of the Standard Model containing a mediator lighter than the Dark Matter.I will focus on DM heavier than 10 TeV, and on the dilution of the DM abundance via late decays of the mediator, that allows to evade the so-called unitarity bound.I will show how this enriches the physics case of several ongoing and planned telescopes (HESSII, HAWC, CTA, ANTARES, IceCube, KM3NeT, CALET,...) observing cosmic rays around and beyond 10 TeV. If time allows, I will discuss constraints on the lower DM mass region, where these models realise DM self interactions as a solution to putative discrepancies between collisionless cold DM and observations of galactic structures..

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2018-02-24
10:50
OpenAccess [PUBDB-2018-01307] Talk (non-conference) (Invited)

Dark Matter from Dark Sectors - Self Interactions & Beyond
Seminar, Meeting locationScuola Normale Superiore, Pisa, 12 Feb 20182018-02-12  GO
I will discuss some phenomenological consequences of extensions of the Standard Model containing a mediator lighter than the Dark Matter.A first example is that of DM self interactions, as a solution to putative discrepancies between collisionless cold DM and observations of galactic structures.I will show how this possibility is in tension with indirect detection constraints (from the CMB, gamma-rays and antiprotons), and what are the challenges to evade them via the introduction of an asymmetry in the DM population.A second example is that of dilution of the DM abundance via late decays of the mediator, that allows to evade the so-called unitarity bound.This enriches the physics case of several ongoing and planned telescopes (HESSII, HAWC, CTA, ANTARES, IceCube, KM3NeT, CALET,...) observing cosmic rays at and beyond 100 TeV..
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2018-02-23
11:27
[PUBDB-2018-01304] Talk (non-conference) (Invited)

Simple and discrete: a unified model of fermionic mass and mixing
Theory Seminar, Meeting locationAmsterdam, Nikhef/VU Amsterdam, Netherlands, 15 Feb 20182018-02-15

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