Results 11 to 20 of about 17,508 (258)

The hierarchion, a relaxion addressing the Standard Model’s hierarchies

open access: yesJournal of High Energy Physics, 2018
We present a mechanism that addresses the electroweak, the strong CP, and the flavor hierarchies of the Standard Model (including neutrino masses) in a unified way. The naturalness of the electroweak scale is solved together with the strong CP problem by
Oz Davidi   +4 more
doaj   +1 more source

Explicit holography for vector models at finite N, volume and temperature

open access: yesJournal of High Energy Physics, 2023
In previous work we constructed an explicit mapping between large N vector models (free or critical) in d dimensions and a non-local high-spin gravity theory on AdS d+1, such that the gravitational theory reproduces the field theory correlation functions
Ofer Aharony   +3 more
doaj   +1 more source

Data-directed search for new physics based on symmetries of the SM

open access: yesEuropean Physical Journal C: Particles and Fields, 2022
We propose exploiting symmetries (exact or approximate) of the Standard Model (SM) to search for physics Beyond the Standard Model (BSM) using the data-directed paradigm (DDP).
Mattias Birman   +5 more
doaj   +1 more source

The cryogenic RWELL: a stable charge multiplier for dual-phase liquid argon detectors

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
The operation of a cryogenic Resistive WELL (RWELL) in liquid argon vapor is reported for the first time. It comprises a Thick Gas Electron Multiplier (THGEM) structure coupled to a resistive Diamond-Like Carbon (DLC) anode deposited on an insulating ...
A. Tesi   +6 more
doaj   +1 more source

DAMA/LIBRA results and perspectives

open access: yesEPJ Web of Conferences, 2017
The DAMA/LIBRA experiment (~ 250 kg sensitive mass composed by highly radio-pure NaI(Tl)) is in data taking in the underground Laboratory of Gran Sasso (LNGS).
Bernabei R.   +15 more
doaj   +1 more source

O(N) invariance of the multi-field bounce

open access: yesJournal of High Energy Physics, 2017
In his 1977 paper on vacuum decay in field theory: The Fate of the False Vacuum, Coleman considered the problem of a single scalar field and assumed that the minimum action tunnelling field configuration, the bounce, is invariant under O(4) rotations in ...
Kfir Blum   +4 more
doaj   +1 more source

Astrophysical Searches of Ultralight Particles

open access: yesProceedings of 41st International Conference on High Energy physics — PoS(ICHEP2022), 2022
The Standard Model of particle physics is a $SU(3)_c\times SU(2)_L\times U(1)_Y$ gauge theory that can explain the strong, weak, and electromagnetic interactions between the particles. The gravitational interaction is described by Einstein's General Relativity theory which is a classical theory of gravity.
openaire   +2 more sources

NEMA characterization of the SAFIR prototype PET insert

open access: yesEJNMMI Physics, 2022
Background The SAFIR prototype insert is a preclinical Positron Emission Tomography (PET) scanner built to acquire dynamic images simultaneously with a 7 T Bruker Magnetic Resonance Imaging (MRI) scanner.
Parisa Khateri   +4 more
doaj   +1 more source

The double scaled limit of super-symmetric SYK models

open access: yesJournal of High Energy Physics, 2020
We compute the exact density of states and 2-point function of the N $$ \mathcal{N} $$ = 2 super-symmetric SYK model in the large N double-scaled limit, by using combinatorial tools that relate the moments of the distribution to sums over oriented chord ...
Micha Berkooz   +3 more
doaj   +1 more source

Parametric resonance in neutrino oscillations induced by ultra-light dark matter and implications for KamLAND and JUNO

open access: yesJournal of High Energy Physics, 2023
If Ultra-light dark matter (ULDM) exists and couples to neutrinos, the neutrino oscillation probability might be significantly altered by a parametric resonance. This resonance can occur if the typical frequency of neutrino flavor-oscillations ∆m 2 /(2E),
Marta Losada   +4 more
doaj   +1 more source

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