Andreas Papaefstathiou
Assistant Professor of Physics
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The aim of my research is to understand the basic building blocks of matter and energy
and their interactions. This involves the study of the tiniest particles that we know
of - quarks, leptons, gauge bosons and the Higgs boson.
Collider Experiments
One of the best ways to investigate Nature at the sub-microscopic level is through experiments that rapidly smash particles together at very high energies, and record the outcomes. The biggest such experiment is the CERN Large Hadron Collider in Geneva, Switzerland, colliding protons together at 99.9999991 percent the speed of light.
I specialize in the phenomenology of particle physics. In particular, I write simulation tools and perform calculations that are crucial for the success of modern particle physics experiments. These tools allow us not only to predict what will be seen at experiments, but also to design future experiments and interpret their results.
Undergraduate Research Opportunities
Are you an undergraduate student keen on conducting cutting-edge research within the realm of particle physics (and beyond!)? Contact me via e-mail if you are interested! A non-exhaustive list of possible projects can be found on my "Student Projects" page.
First-Year Scholars (Fall 2024) see here for a short presentation!
Computational Physics I (Spring 2024/25): Book draft available here.
2011 Ph.D. in Theoretical Physics, University of Cambridge, United Kingdom.
2007 MPhys in Physics, University of Manchester, United Kingdom.
2019-2021 Post-Doctoral Researcher, University of Edinburgh, United Kingdom.
2016-2019 Post-Doctoral Researcher, University of Amsterdam & Nikhef, The Netherlands.
2014-2016 Post-Doctoral Fellow (Marie Skลodowska-Curie Fellowship), European Organisation for Nuclear Research (CERN), Switzerland.
2011-2014 Post-Doctoral Researcher, University of Zรผrich, Switzerland.
- [10/25/24] Talk at "Extended Scalar Sectors From All Angles" workshop (CERN, Geneva, Switzerland).
- [9/11/24] Talk at Institute of Nuclear and Particle Physics, NCSR Democritus (Athens, Greece).
- [7/31/24] Talk at "Mini workshop on HHH and other extended scalar sector signatures" at Ruฤer Boลกkoviฤ Institute, Zagreb, Croatia, available here.
- [7/3/24] New pre-print summarizing results for triple Higgs boson production: HHH Whitepaper [https://arxiv.org/abs/2407.03015]
- [6/5/24] New pre-print: ๐ฟ๐ข๐๐๐๐๐๐: How To Write a Toy Parton Shower [https://arxiv.org/abs/2406.03528]. The associated code repository can be found here.
- [5/24 & 28 & 31/24] Seminars at Nikhef (The Netherlands), Durham IPPP (UK) and U. Manchester (UK), available here.
- [5/1/24] Seminar at Wichita State University, Kansas, available here.
- [4/30/24] The Computational Physics I Online Book is available here!
- [4/22/24] New pre-print out: Triple Higgs boson production and electroweak phase transition in the two-real-singlet model [https://arxiv.org/abs/2404.12425].
- [12/20/23] New pre-print out: Multi-Higgs Boson Production with Anomalous Interactions at Current and Future Proton Colliders [https://arxiv.org/abs/2312.13562].
- [10/25/23] New pre-print out: Using machine-learning methods to discriminate between black hole and sphaleron processes at the Large Hadron Collider [https://arxiv.org/abs/2310.15227].
- [10/19/23] I gave a talk at the SCM 2000 course at KSU.
- [9/29/23] Colloquium at Georgia State University, find the slides here and a YouTube video here.
- [9/12/23] I gave a brief talk at the follow-up HHH meeting.
You can find an up-to-date list of my publications in the INSPIRE database.
See the Computer Code page for my publicly-available open-source particle physics programs and tutorials.
Check out my Research page for an overview of my research activities and themes.
[Languages: ๐ฌ๐ง ๐ฌ๐ท ๐จ๐พ]
Older News
- [7/15/23] I gave a talk at the "HHH Workshop", Dubrovnik, Croatia.
- [3/28/23] New pre-print: "HEJ 2.2: W boson pairs and Higgs boson plus jet production at high energies." [https://arxiv.org/abs/2303.15778].
- [12/9/22] New pre-print out with Jonathan Zuk, Csaba Balazs and Graham White on "The Effective Potential in Fermi Gauges Beyond the Standard Model" [https://arxiv.org/abs/2212.04046].
- [12/6/22] The new webpage for MonteCarloNet is online [https://www.montecarlonet.org]. MonteCarloNet is an umbrella community for all working in methods, codes, and applications of general-purpose MC event generators. Kennesaw State University is a participating institute.
- [10/19/22] New pre-print by the HEJ Collaboration "High Energy Resummed Predictions for the Production of a Higgs Boson with at least One Jet", [https://arxiv.org/abs/2210.10671].
- [7/22/22] I have been awarded an NSF grant, "Deciphering Electro-Weak Scale Physics at Particle Colliders", see the relevant NSF page for the abstract.
- [6/2/22] For a semi-popularized review of some of my recent work, check out our article with Graham White on the electro-weak phase transition at current and future colliders, written for the CERN Experimental Physics Newsletter: https://ep-news.web.cern.ch/content/deciphering-electro-weak-phase-transition-current-and-future-colliders.
- [6/2/22] Talk at the Higgs Pairs Workshop (Croatia) on Triple Higgs boson production with extended scalar sectors.
- [5/28/22] A contribution to the US "Snowmass" high-energy physics study that examines "Signal strength and W-boson mass measurements as a probe of the electro-weak phase transition at colliders" with Tania Robens and Graham White: https://arxiv.org/abs/2205.14379.
