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WAVESTORMS

Financiado

Impact of foreshock transients on near-Earth space

This project addresses major open questions in plasma physics: the dynamics of collisionless shocks, their impact on the downstream medium and particle acceleration. Collisionless shocks are powerful particle accelerators, ubiquit... ver más

31/08/2029

HELSINGIN YLIOPIST...

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

HELSINGIN YLIOPISTO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-03-19

ERC-2023-COG: ERC CONSOLIDATOR GRANTS Scope:Objectives

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1 Participantes

HELSINGIN YLIOPISTO

2.00M€ | Lider

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Duración del proyecto: 65 meses Fecha Inicio: 2024-03-19
Fecha Fin: 2029-08-31

Líder del proyecto

HELSINGIN YLIOPISTO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Descripción del proyecto This project addresses major open questions in plasma physics: the dynamics of collisionless shocks, their impact on the downstream medium and particle acceleration. Collisionless shocks are powerful particle accelerators, ubiquitous in astrophysical plasmas. Recent works suggest that the dynamics of the shock precursor, or foreshock, contributes greatly to shock acceleration. Here we use near-Earth space as a natural laboratory to quantify the impact of transient kinetic structures forming in the foreshock. These foreshock transients are particularly intriguing because in addition to contributing to acceleration at the shock itself, they impact geospace as a whole in driving swift, intense wave storms in Earth's magnetosphere. In this proposal, I present recent data revealing that these waves accelerate energetic electrons in Earth's radiation belts, connecting for the first time the dynamics of two major acceleration sites at Earth. This issue has never been explored because of considerable challenges: multi-point in situ observations and global kinetic simulations are needed to unravel the complex processes at work. The WAVESTORMS project makes full use of recent advances on both of these fronts to resolve the impact of foreshock transients on near-Earth space in a holistic manner. Using a flagship kinetic model of the global magnetosphere and high-fidelity space- and ground-based measurements, we will (1) fully characterise their interaction with the shock and their contribution to shock acceleration, (2) quantify the radiation belt response (acceleration and losses), (3) connect our findings to the solar wind context, to finally (4) quantify their global impact on near-Earth space. My expertise in foreshock physics and in combining multi-mission data and cutting-edge simulations puts me in a unique position to lead this project. Our results will constitute a breakthrough in our understanding of near-Earth space dynamics and particle acceleration in general.

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