The Higgs boson can decay to many different particles from the standard model. But... is the Higgs boson also decaying to undiscovered particles? This #CMSPaper looks for extra (light) bosons that would create the Higgs boson to four electron signature arxiv.org/abs/2511.19563

This #CMSPaper looks for production of photons in these boson collisions, meaning the LHC is a W boson collider, which is the first time this has ever been seen! It measures properties of the photons produced and compares them to the standard model predictions arxiv.org/abs/2512.00502

This #CMSPaper measures the simultaneous production of Z bosons and photons. That way their interactions can be measured and can be compared to predictions by the standard model arxiv.org/abs/2512.08582

One of the classical ways to look for undiscovered particles at the LHC is to look for unexpected resonances in the jets coming from quarks and gluons. This #CMSPaper compares the cutting edge of #machinelearnining #ai methods to see how well they do for top quark resonances arxiv.org/abs/2512.20395

This #CMSPaper searches for a heavy particle decaying into pairs of undiscovered light bosons, which in turn decay into photons that can partially overlap. This is technically a difficult signature because overlapping photons are not easy to disentangle arxiv.org/abs/2601.00183

Are there undiscovered charged heavy Higgs bosons? If they are heavier than the top quark, they would decay into a top quark + b quark signature. This #CMSPaper looks for these, and also compares them in dedicated theory frameworks that include neutral heavy Higgs bosons arxiv.org/abs/2512.24471

Are there extra Z-boson like undiscovered particles made at higher mass? Or did we miss them because they can only see them when they're made together with quarks? This #CMSPaper scans the dimuon spectrum - it is a #nullresult (no extra Z' bosons spotted!) arxiv.org/abs/2511.11853

Gravitons exist in all sorts of grand unification physics theories. This #CMSPaper looks for them in the photon+missing energy signature, which is also a good signature to check for #darkmatter by the way. It looks in the 2016 through 2018 CMS data, and is a #nullresult arxiv.org/abs/2511.17310

Hypothetical supersymmetry particles linked to Higgs bosons (called Higgsinos) are linked to #darkmatter. This #CMSPaper looks for the low-momentum + missing-energy signature. There is some deviation (2.2 sigma) in this analysis, so we will look at it again with more data! arxiv.org/abs/2511.16394

How does a bottom #quark become a spray of many composite particles called a bottom jet? This is actually a very difficult and open research question, and this #CMSPaper tries to measure that jet fragmentation process in heavy ion collisions arxiv.org/abs/2511.10666