What question did this study set out to answer?

The research aims to analyze the decomposition of the cluster missing sector into components related to GCFT response and residual matter.

June 17, 2026Open Access

CDN-234: Residual Matter Boundary

Key Points

The research aims to analyze the decomposition of the cluster missing sector into components related to GCFT response and residual matter.
Analyzed sector decomposition at the CDN-230 separation threshold (q=8.71) with f_coll=0.12.
Calculated GCFT response against the CDN-232 cluster target to determine residual matter.
Evaluated the need for environmental amplification in relation to the CDN-229 response.
GCFT provides Xi/bar=0.365, while the CDN-232 target yields Xi/bar=5.836, showing a significant difference.
Residual matter calculation results in R/bar=5.471, determining the requirement for amplification.
Environmental amplification of A_env=16.000 is required to achieve zero residual matter.

Abstract

CDN-234 decomposes the cluster missing sector into GCFT response plus residual matter. At the CDN-230 separation threshold q=8. 71 and fiducial collisionless baryon share fcoll=0. 12, anchor-only GCFT supplies Xi/bar=0. 365 against the CDN-232 cluster target Xi/bar=5. 836, leaving residual matter R/bar=5. 471. Zero residual matter requires environmental amplification Aₑnv=16. 000 relative to the CDN-229 held-out galaxy response. Below that boundary, the GCFT dark sector remains two-component: coherent response plus residual matter.

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