Hannah Arnold

Particle physicist @ATLASexperiment @CERN | Postdoctoral researcher @Nikhef (based @CERN) | NWO-Veni 2020 laureate "The Higgs boson's beauty and charm"

[ATLAS Early Career Scientist Board @ATLASecsb]

The ATLAS Early Career Scientist party was a resounding success! Check out the pictures below and tag anyone you recognize 👏🍾

[Tristan du Pree @Tristan_duPree]

Congratulations @realBrianMoser and @mariamironova42! 👏 https://t.co/V6JEnRSV3H

[ATLAS Experiment @ATLASexperiment]

The ATLAS Collaboration at @CERN is turning 30! 🎂

On 1 Oct 1992, thirty years ago today, we submitted our letter of intent to the LHC Experiments Committee - marking the start of a new era of scientific discovery. Check out our timeline to learn more!

[Tristan du Pree @Tristan_duPree]

Published! 🥳

https://t.co/wkbjFznUjf

[Tristan du Pree @Tristan_duPree]

ATLAS ITk in progress!

[National Institute for Subatomic Physics Nikhef @_nikhef]

Definite proof: the proton has some intrinsic charm
https://t.co/axWghGEU1l

[Tristan du Pree @Tristan_duPree]

This Autumn we @_Nikhef organize the @ATLASexperiment workshop on flavor-tagging developments at @AdamSciencePark!

[Higgs from Z to A @HiggsZtoA]

Perfect climax of our research project

[Marco Delmastro @marcodelmastro]

Ten years after the discovery of the Higgs boson, the CERN Academic Training Program is proposing 3 lecture on the theoretical and experimental status of Higgs physics, and a view of the future.

It begins today with Jonathan Ellis theory lecture:

https://t.co/RE7XoM8ncd

[Tristan du Pree @Tristan_duPree]

Article on Higgs decays to charm quarks that I co-wrote in the new @CERNCourier

[CERN @CERN]

📣 Beam in the accelerator!

After over three years of intense upgrade work, we are #restartingLHC.

Two beams of #protons are now circulating in opposite directions around the Large Hadron Collider, expecting to reach the record energy of 13.6 TeV in the summer of 2022.

[Tristan du Pree @Tristan_duPree]

🌐Thursday 5 May at CERN

⚡️Collider Cross Talk on the #LHC searches for H→cc by @ATLASexperiment and @CMSExperiment

👩‍🏫@HanRuAr from @_Nikhef will present the results of the @ATLASexperiment!

[CERN @CERN]

Since the discovery of the #Higgsboson a decade ago, the @ATLASexperiment and @CMSExperiment have been trying to unlock its secrets. Now they have placed tight  limits on the strength of its interaction with a charm quark, a second-generation quark: https://t.co/jKpKTgJgEj

[Tristan du Pree @Tristan_duPree]

Congratulations Dr. Stamenkovic! Marko just got his PhD degree @UvA_Amsterdam on Higgs boson decays to charm quarks! 👨‍🎓

It was a great to work in @ATLASexperiment with Marko @_Nikhef and I wish him all the best as postdoc in @CMSExperiment!

[National Institute for Subatomic Physics Nikhef @_nikhef]

New PAPERCLIP video: Brian Moser explains his PhD thesis ‘The Beauty and the Boost: a Higgs Boson Tale’ that he defended last Friday! Congratulations, @realBrianMoser https://t.co/4cge5U5oEW

[Hannah Arnold @hanruar]

@Tristan_duPree @_nikhef @UvA_Amsterdam @CERN @realBrianMoser Congratulations @realBrianMoser , very well done!

[Tristan du Pree @Tristan_duPree]

Congratulations Dr. Moser! Brian just defended his PhD research @_Nikhef and got his degree ‘cum laude’ 👨‍🎓

Very proud of my first PhD student, graduated at @UvA_Amsterdam, and wish him all the best as research fellow @CERN!

[ATLAS Experiment @ATLASexperiment]

The ATLAS Collaboration @CERN has found that the #Higgsboson interaction strength is weaker for charm quarks than for beauty quarks.

But what can this tell us about the nature of matter particles? 📽️ Members of the analysis team explain! Learn more: https://t.co/TNr29Ye381