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Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars

Abstract:

Abstract Pair instability should prevent the direct formation of black holes above about 50  M ⊙ , creating a ‘pair-instability’ mass gap. Yet gravitational-wave observations have detected black holes in this mass range. These systems can be explained with uncertainties in massive-star evolution, or hierarchical mergers in stellar clusters, which are expected to produce large spins with isotropi...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/s41550-026-02847-0

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Role:
Author
ORCID:
0000-0003-3138-6199
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Role:
Author
ORCID:
0000-0002-4181-8090
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Role:
Author
ORCID:
0000-0001-9892-177X
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Role:
Author
ORCID:
0000-0003-0657-3902
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Role:
Author
ORCID:
0000-0001-5867-5033


Publisher:
Nature Research
Journal:
Nature Astronomy More from this journal
Publication date:
2026-05-07
DOI:
EISSN:
2397-3366
ISSN:
2397-3366


Language:
English
Keywords:
Pubs id:
2420069
Local pid:
pubs:2420069
Source identifiers:
W7160516519
Deposit date:
2026-05-16
ARK identifier:
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