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S-12 - Search for stable strange quark matter in lunar soil

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Properties23
type
source
id
S-12
source_type
preprint
url
https://arxiv.org/abs/0903.5055
venue
arXiv / Physical Review C
publication_date
2009
citation_count
unknown
citation_count_asof
2026-07-21
field
experimental astroparticle physics
authors
unknown
found_via
query (strangelet astrophysical/geological-bound search)
motivatedness
none known
trust_score
0.75
trust_reason
quantitative AMS measurement (Yale WNSL) giving a 95%-CL concentration limit (<1e-16 for Z=8) over A=42-70; PRC-published, clear method; capped by model-dependence of strangelet survival/mass window.
usefulness
2.5
usefulness_reason
independent geological/astrophysical null bound on stable strangelets, a different methodology from collider searches.
method_read
accelerator mass spectrometry of lunar soil across A=42-70, Z=5,6,8,9,11; 95%-CL exclusion, most sensitive to date for the range.
standing
Phys. Rev. C; authors unknown in frontmatter; described as most sensitive lunar-soil bound; no independent replication noted.
angle
strangelet-null-search
combined_score
0
curated
false
curation_reason
not curated: combined <= 0 at baseline 0.75 (below trust floor).
data_basis

Accelerator mass-spectrometry search for stable strangelets embedded in lunar-soil samples (which have been exposed to cosmic-ray strangelet flux over geological time), setting upper concentration/flux limits on stable strange quark matter reaching the Earth-Moon system. relevance_note: independent geological/astrophysical null-result bound on stable-strangelet existence, complementing the collider null results.

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