From NANOGrav to LIGO with metastable cosmic strings

Buchmuller, Wilfried; Domcke, Valerie; Schmitz, Kai

doi:10.1016/j.physletb.2020.135914

Journal Article

PUBDB-2020-04632

From NANOGrav to LIGO with metastable cosmic strings

Buchmuller, W.DESY* ; Domcke, V. (Corresponding author)DESY* ; Schmitz, K.

2020
North-Holland Publ. Amsterdam

Physics letters / B 811, 135914 (1-4) (2020) [10.1016/j.physletb.2020.135914]

This record in other databases:

Please use a persistent id in citations: doi:10.1016/j.physletb.2020.135914 doi:10.3204/PUBDB-2020-04632

Report No.: CERN-TH-2020-157; DESY-20-154; arXiv:2009.10649

Abstract: We interpret the recent NANOGrav results in terms of a stochastic gravitational wave background from metastable cosmic strings. The observed amplitude of a stochastic signal can be translated into a range for the cosmic string tension and the mass of magnetic monopoles arising in theories of grand unification. In a sizable part of the parameter space, this interpretation predicts a large stochastic gravitational wave signal in the frequency band of ground-based interferometers, which can be probed in the very near future. We confront these results with predictions from successful inflation, leptogenesis and dark matter from the spontaneous breaking of a gauged B − L symmetry.

Keyword(s): * Automatic Keywords * ; gravitational radiation: stochastic ; gravitational radiation: background ; magnetic monopole: mass ; cosmic string ; spontaneous symmetry breaking ; grand unified theory ; interferometer ; string tension ; leptogenesis ; dark matter ; B-L number ; inflation ; LIGO

Classification:

ddc:530

Contributing Institute(s):

Theorie-Gruppe (T)

Research Program(s):

611 - Fundamental Particles and Forces (POF3-611) (POF3-611)

Experiment(s):

No specific instrument

Appears in the scientific report 2020

Database coverage:
Medline

;

;

;

;

; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; Nationallizenz