#toponium — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #toponium, aggregated by home.social.
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Observation of a cross-section enhancement near the #toponium production threshold in sqr(s) = 13 TeV pp collisions with the ATLAS detector: https://cds.cern.ch/record/2937636?ln=en -> Suddenly Visible - New Particle Challenges Long-Held Assumptions: https://www.uni-hamburg.de/en/newsroom/presse/2025/pm28.html
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Remember how the mean life of the top quark is so short that it couldn't possibly form a bound state? Well, forget all that.
DESY and CERN now provide strong evidence for the existence of toponium:
https://www.uni-hamburg.de/en/newsroom/presse/2025/pm28.html
#toponium #quark #ParticlePhysics #particle #physics #DESY #CERN #StandardModel -
#UHH:
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Plötzlich sichtbar: Neues Teilchen stellt alte Überzeugungen infrage
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"Forschende der Universität Hamburg und des DESY haben Hinweise auf das schwer fassbare Toponium gefunden. Mit dieser Entdeckung könnte die grundlegende Struktur aller Materie noch detaillierter entschlüsselt werden."https://www.uni-hamburg.de/newsroom/presse/2025/pm28.html
17.7.2025
#ATLAS #CERN #CMS #DESY #matter #LHC #Materie #Physik #Teilchenphysik #Toponium #TopQuark
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Physiker finden „nicht nachweisbares“ Teilchen. Teilchenschleuniger LHC liefert ersten Beleg für Verbindung aus Top-Quarks und ihren Antiteilchen. #Teilchenphysik #TopQuark #Toponium #CERN #Quarks
https://www.scinexx.de/news/physik/physiker-finden-nicht-nachweisbares-teilchen/ -
First #toponium articles are appearing, including this great one by Senne Starckx in De Standaard https://www.standaard.be/natuur-en-wetenschap/materiedeeltje-leeft-ultrakort-maar-toch-lang-genoeg-om-partner-te-vinden-en-toponium-te-vormen/77648213.html #particlephysics #physics #cern
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CW: quarks
I couldn't really find good explanations on why the #toponium results from CERN are so important. Fortunately, after a bit of tweaking, #ChatGPT came to the rescue. Can you identify where I made corrections? (Yes, always proofread what ChatGPT gives, peeps!) Or maybe you can do better? I'd love to see!
Read more (more lyrical but also more technical) in the CERN press release: https://home.cern/news/press-release/physics/elusive-romance-top-quark-pairs-observed-lhc
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Le #toponium : Une #forme #inconnue de la matière détectée au #LHC ?
https://www.techno-science.net/actualite/forme-inconnue-matiere-detectee-lhc-N26879.html
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Le #toponium : un nouvel objet exotique encore jamais observé bouleverse la #physique des #particules
Une découverte potentiellement révolutionnaire
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Le #toponium : un nouvel objet exotique encore jamais observé bouleverse la #physique des #particules
Une découverte potentiellement révolutionnaire
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Cautiously excited by the discovery of #toponium. See fx https://www.science20.com/tommaso_dorigo/toponium_found_by_cms-257373
I have many questions! Maybe the fediverse can help? ♥️🤓
Maybe most central: I thought the top quark is a fermion? And if so, must obey the Pauli exclusion principle. Then how can 2 top quarks occupy the same point in space? Does that not imply it must be a new fundamental particle on its own?