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An Indirect Model-Dependent Probe of the Higgs Self-Coupling
Matthew McCullough
The Higgs associated production cross section at an collider is indirectly sensitive to the Higgs self-coupling, , at next-to-leading order (NLO). Utilizing this, a…
Gluon-initiated associated production boosts Higgs physics
Christoph Englert, Matthew McCullough, Michael Spannowsky
Analyses of boosted Higgs bosons from associated production comprise some of the main search channels for the Higgs boson at the LHC. The gluon-initiated subprocess has…
Auxiliary Gauge Mediation: A New Route to Mini-Split Supersymmetry
Yonatan Kahn, Matthew McCullough, Jesse Thaler
The discovery of a standard-model-like Higgs at 126 GeV and the absence of squark signals thus far at the LHC both point towards a mini-split spectrum for supersymmetry. Within sta…
Exothermic Double-Disk Dark Matter
Matthew McCullough, Lisa Randall
If a subdominant component of dark matter (DM) interacts via long-range dark force carriers it may cool and collapse to form complex structures within the Milky Way galaxy, such as…
A New Probe of Naturalness
Nathaniel Craig, Christoph Englert, Matthew McCullough
Any new scalar fields that perturbatively solve the hierarchy problem by stabilizing the Higgs mass also generate new contributions to the Higgs field-strength renormalization, irr…
Modified Higgs Sectors and NLO Associated Production
Christoph Englert, Matthew McCullough
Many beyond the Standard Model (BSM) scenarios involve Higgs couplings to additional electroweak fields. It is well established that these new fields may modify Higgs gamma-gamma a…