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arxiv: 2605.01980 · v1 · submitted 2026-05-03 · ✦ hep-ph

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· Lean Theorem

Non-Holomorphic Impact on t-b-τ Yukawa Unification in minimal GMSB

Ali \c{C}i\c{c}i , B\"u\c{s}ra Ni\c{s} , Cem Salih \"Un
Authors on Pith no claims yet

Pith reviewed 2026-05-08 19:35 UTC · model grok-4.3

classification ✦ hep-ph
keywords solutionsanalyseslighttestedbosonhiggslighternon-holomorphic
0
0 comments X

The pith

Non-holomorphic terms enable t-b-τ Yukawa unification in minimal GMSB for μ>0, producing solutions with Higgs-mass consistency, charginos as light as 120 GeV, and staus around 600 GeV that are testable via lifetime and compressed-spectra searches.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

In supersymmetry, Yukawa unification requires the interaction strengths of the top quark, bottom quark, and tau lepton to be equal at very high energies. Minimal gauge-mediated supersymmetry breaking transmits the breaking of supersymmetry through ordinary gauge forces. The authors add non-holomorphic soft terms, which are extra interactions that do not follow the usual complex-structure rules of supersymmetry. These terms open up solutions where the mu parameter is positive while still satisfying unification. Numerical scans then show many such solutions that also reproduce the 125 GeV Higgs boson. In these solutions the strongly interacting supersymmetric particles are heavy, but the electroweak ones remain lighter. Charginos can sit below 1 TeV and are often nearly mass-degenerate with the lightest neutralino; some points reach 120 GeV. Staus can be as light as 600 GeV. The paper gives five benchmark points and notes that the light charginos decay in roughly 10^{-2} ns, placing them within reach of current and near-future lifetime analyses at the LHC.

Core claim

We find that the chargino can be lighter than 1 TeV and it is degenerate with the lightest neutralino in most of such solutions. Consistent solutions in this region can accommodate charginos as light as about 120 GeV... stau is realized to be another light supersymmetric particle... as light as about 600 GeV consistently.

Load-bearing premise

That non-zero non-holomorphic soft terms can be introduced while preserving the minimal GMSB structure, maintaining consistency with all other low-energy constraints, and without generating new instabilities or violating theoretical bounds on the soft-term sector.

read the original abstract

We study and explore the low scale implications of Yukawa unification in the minimal gauge mediated supersymmetry breaking models. We also assume non-zero non-holomorphic terms, with which the YU solutions can be accommodated in the cases with $\mu > 0$. These results can be considered a direct effect from the non-holomorphic terms, but they also lead to testable low scale implications compatible with YU. We observe abundant solutions consistent with the Higgs boson mass. This constraint leads to heavy strongly interacting supersymmetric particles, while the electroweak sector can be realized relatively lighter and they can be probed by several experiments. We find that the chargino can be lighter than 1 TeV and it is degenerate with the lightest neutralino in most of such solutions. Consistent solutions in this region can accommodate charginos as light as about 120 GeV, and they will be tested more likely soon by the analyses over the compressed spectra. These solutions are also be subjected in the lifetime analyses. Our analyses identify such light charginos decaying in about $10^{-2}$ ns. Probing such points may need a slight improvement in sensitivity of the analyses, and one can expect them to be tested very soon. In the same region, stau is realized to be another light supersymmetric particle, and some of the solutions can be inconsistently lighter. We find that it can weigh as light as about 600 GeV consistently, and it can be tested also soon over its lifetime. We summarize and also exemplify our findings with five benchmark scenarios. Most of the benchmark solutions also reveal that the solutions can be tested in heavy Higgs boson searches, which shape the whole Higgs boson spectrum in models.

Editorial analysis

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Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Axiom & Free-Parameter Ledger

2 free parameters · 2 axioms · 0 invented entities

Central claim rests on numerical exploration of soft-term parameter space in minimal GMSB augmented by non-holomorphic contributions; unification and Higgs-mass constraints are imposed as selection criteria rather than derived.

free parameters (2)
  • non-holomorphic soft-term coefficients
    Non-zero values are introduced by hand to open Yukawa-unification solutions with μ>0; their magnitudes are scanned to produce viable points.
  • GMSB messenger scale and number of messengers
    Standard GMSB parameters that are varied to generate the soft spectrum.
axioms (2)
  • domain assumption Minimal gauge-mediated supersymmetry breaking framework
    Assumed as the base model throughout; no derivation of the mediation mechanism is provided.
  • domain assumption t-b-τ Yukawa unification imposed at the GUT scale
    Central boundary condition used to filter solutions.

pith-pipeline@v0.9.0 · 5634 in / 1545 out tokens · 33546 ms · 2026-05-08T19:35:39.025682+00:00 · methodology

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Reference graph

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