Physics with photons in ATLAS: Standard Model and beyond

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• Dr Miguel Villaplana, University of Milan
• Tuesday 10 October 2017, 15:00-16:00
• Ryle Seminar Room (Rutherford 930) .

If you have a question about this talk, please contact Lorena Escudero.

The production of prompt isolated photons at hadron colliders provides a stringent test of perturbative QCD and can be used to probe the proton structure with a hard colourless probe less affected by hadronisation effects than jet production. Furthermore, searches for new physics in final states involving photons, despite the relatively small cross-section compared to hadronic signatures, provide a powerful handle in the signal over background discrimination. Such searches find their motivation in a wide panorama of theoretical models such as minimal extensions of the Standard Model, extra dimensions and dark matter. Over the past years the ATLAS collaboration has developed and optimised a set of photon reconstruction and identification techniques in order to reach the detectors design performance. Such techniques are described in this talk. A summary of recent Standard Model measurements is shown and promising results on searches for new physics involving photons are presented.

This talk is part of the Cavendish HEP Seminars series.

This talk is included in these lists:

• All Cavendish Laboratory Seminars
• All Talks (aka the CURE list)
• Cavendish HEP Seminars
• Centre for Health Leadership and Enterprise
• Featured lists
• ME Seminar
• Neurons, Fake News, DNA and your iPhone: The Mathematics of Information
• Ryle Seminar Room (Rutherford 930)
• School of Physical Sciences
• Thin Film Magnetic Talks
• few29

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