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Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 110: Topical Workshop: Gravitational Waves and Particle Physics

T 110.1: Semi-Invited Talk

Thursday, March 30, 2017, 16:45–17:15, H 4

Gravitational waves from cosmological phase transitions — •Geraldine Servant — DESY and U. Hamburg

Strong first-order cosmological phase transitions produce a stochastic gravitational wave background. We discuss the resulting contributions from bubble collisions, magnetohydrodynamic turbulence, and sound waves, and estimate the total corresponding signal predicted in gravitational waves. We demonstrate that LISA is able to probe many well-motivated scenarios beyond the Standard Model of particle physics predicting strong first-order cosmological phase transitions in the early Universe.

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