Symmergent Gravity, Seesawic New Physics, and Their Experimental Signatures

Author

Demir, Durmuş Ali

Source

Advances in High Energy Physics

Issue

Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-15, 15 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2019-08-22

Country of Publication

Egypt

No. of Pages

15

Main Subjects

Physics

Abstract EN

The standard model of elementary particles (SM) suffers from various problems, such as power-law ultraviolet (UV) sensitivity, exclusion of general relativity (GR), and absence of a dark matter candidate.

The LHC experiments, according to which the TeV domain appears to be empty of new particles, started sidelining TeV-scale SUSY and other known cures of the UV sensitivity.

In search for a remedy, in this work, it is revealed that affine curvature can emerge in a way restoring gauge symmetries explicitly broken by the UV cutoff.

This emergent curvature cures the UV sensitivity and incorporates GR as symmetry-restoring emergent gravity (symmergent gravity, in brief) if a new physics sector (NP) exists to generate the Planck scale and if SM+NP is Fermi-Bose balanced.

This setup, carrying fingerprints of trans-Planckian SUSY, predicts that gravity is Einstein (no higher-curvature terms), cosmic/gamma rays can originate from heavy NP scalars, and the UV cutoff might take right value to suppress the cosmological constant (alleviating fine-tuning with SUSY).

The NP does not have to couple to the SM.

In fact, NP-SM coupling can take any value from zero to ΛSM2/ΛNP2 if the SM is not to jump from ΛSM≈500 GeV to the NP scale ΛNP.

The zero coupling, certifying an undetectable NP, agrees with all the collider and dark matter bounds at present.

The seesawic bound ΛSM2/ΛNP2, directly verifiable at colliders, implies that (i) dark matter must have a mass ≲ΛSM, (ii) Higgs-curvature coupling must be ≈1.3%, (iii) the SM RGEs must remain nearly as in the SM, and (iv) right-handed neutrinos must have a mass ≲1000 TeV.

These signatures serve as a concise testbed for symmergence.

American Psychological Association (APA)

Demir, Durmuş Ali. 2019. Symmergent Gravity, Seesawic New Physics, and Their Experimental Signatures. Advances in High Energy Physics،Vol. 2019, no. 2019, pp.1-15.
https://search.emarefa.net/detail/BIM-1118273

Modern Language Association (MLA)

Demir, Durmuş Ali. Symmergent Gravity, Seesawic New Physics, and Their Experimental Signatures. Advances in High Energy Physics No. 2019 (2019), pp.1-15.
https://search.emarefa.net/detail/BIM-1118273

American Medical Association (AMA)

Demir, Durmuş Ali. Symmergent Gravity, Seesawic New Physics, and Their Experimental Signatures. Advances in High Energy Physics. 2019. Vol. 2019, no. 2019, pp.1-15.
https://search.emarefa.net/detail/BIM-1118273

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-1118273