Journal
PHYSICAL REVIEW LETTERS
Volume 127, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.091602
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Funding
- Japan Society for the Promotion of Science [19J00895, 20K14468]
- JSPS KAKENHI [JP17H02894, 20H01902]
- MEXT KAKENHI [21H00075]
- JSPS [202000912, 21K13922]
- Grants-in-Aid for Scientific Research [20K14468, 19J00895, 21H00075, 21K13922, 20H01902] Funding Source: KAKEN
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This study investigates the compatibility between the standard model of particle physics and general relativity by analyzing gravitational positivity bounds. The cutoff scale for the standard model coupled to gravity is identified, taking into account different scenarios, providing valuable insights into the relationship between gravitational theory and particle physics.
We study compatibility of the standard model of particle physics and general relativity by means of gravitational positivity bounds, which provide a necessary condition for a low-energy gravitational theory to be UV completable within the weakly coupled regime of gravity. In particular, we identify the cutoff scale of the standard model coupled to gravity by studying consistency of light-by-light scattering. While the precise value depends on details of the Pomeron effects in QCD, the cutoff scale reads 10(16) GeV if the single-Pomeron exchange picture works well up to this scale. We also demonstrate that the cutoff scale is lowered to 10(13) GeV if we consider the electroweak theory without the QCD sector.
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