Research output per year
Research output per year
Personal profile
Biography
I am a professor of theoretical particle physics. I began studying theoretical physics at Trinity College, Dublin before moving to Caltech for my PhD, where I worked with Mark Wise. My research continued at the IAS in Princeton, the NBI in Copenhagen and now here in Edinburgh. I was awarded an ERC advanced grant in 2025.
Research Interests
I have broad interests, having worked on effective theories in lattice gauge theory, physics beyond the standard model, and on more theoretical issues in particle physics. For the last several years I have concentrated on scattering amplitudes and their many applications.
Teaching
I am the lecturer and course organiser for Quantum Field Theory. Previously, I taught courses on Electromagnetism and Relativity, Classical Electrodynamics, and Gauge Theories in Particle Physics.
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Collaborations and top research areas from the last five years
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Research output
- 50 Article
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Supertranslations from Scattering Amplitudes
Elkhidir, A., O'Connell, D. & Roiban, R., 10 Oct 2025, In: Physical Review Letters. 135, 15, p. 1-9 9 p., 151601.Research output: Contribution to journal › Article › peer-review
Open Access -
Observables from the Spinning Eikonal
Luna, A., Moynihan, N., O'Connell, D. & Ross, A., 6 Aug 2024, In: Journal of High Energy Physics. 2024, 8, p. 1-31 31 p., 045.Research output: Contribution to journal › Article › peer-review
Open Access -
Radiation and Reaction at One Loop
Elkhidir, A., O'Connell, D., Sergola, M. & Vazquez-Holm, I. A., 30 Jul 2024, In: Journal of High Energy Physics. 2024, 7, p. 1-65 65 p., 272.Research output: Contribution to journal › Article › peer-review
Open Access -
The Uncertainty Principle and Classical Amplitudes
Cristofoli, A., Gonzo, R., Moynihan, N., O'Connell, D., Ross, A., Sergola, M. & White, C. D., 26 Jun 2024, In: Journal of High Energy Physics. 2024, p. 1-71 71 p., 181.Research output: Contribution to journal › Article › peer-review
Open Access -
Large gauge effects and the structure of amplitudes
Cristofoli, A., Elkhidir, A., Ilderton, A. & O’Connell, D., 29 Jun 2023, In: Journal of High Energy Physics. 2023, 6, p. 1-40 40 p., 204.Research output: Contribution to journal › Article › peer-review
Open AccessFile
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Classical and Semiclassical Aspects of Amplitudes
O'Connell, D. (Principal Investigator)
1/09/25 → 31/08/30
Project: Research
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Classical spinning black holes from quantum spinning particles
O'Connell, D. (Principal Investigator)
1/10/24 → 30/09/26
Project: Research
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Gravitational Waves from Worldline Quantum Field Theory
O'Connell, D. (Principal Investigator)
1/09/24 → 31/08/32
Project: Research
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Radial Action from Spinning Probe Amplitudes
O'Connell, D. (Principal Investigator)
Scottish Universities Physics Alliance, The
4/01/22 → 3/02/22
Project: Research
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O' Connell - Luna SUPA Saltire Emerging Research Visit
O'Connell, D. (Principal Investigator)
4/01/22 → 3/02/22
Project: Research