Prof. Lionel J Mason | Mathematical Institute

Prof. Lionel J Mason

BA, DPhil

Status:

Academic Faculty

Professor of Mathematics Tutorial Fellow St Peter's College.

Contact form

Personal website:

http://people.maths.ox.ac.uk/lmason/

CV (140.45K)

+44 1865 615328

ORCID iD:

https://orcid.org/0000-0003-2464-6730

Research groups:

Address

Mathematical Institute
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG

Highlighted Publications:

Scattering on plane waves and the double copy

Scattering on plane waves and the double copy
Adamo, T; Casali, E; Mason, L; Nekovar, S
Classical and Quantum Gravity issue 1 volume 35 (5 December 2017)

One-loop amplitudes on the Riemann sphere

One-loop amplitudes on the Riemann sphere
Geyer, Y; Mason, L; Monteiro, R; Tourkine, P
JOURNAL OF HIGH ENERGY PHYSICS issue 3 (16 March 2016) Full text available

Two-loop scattering amplitudes from the Riemann sphere

Two-loop scattering amplitudes from the Riemann sphere
Geyer, Y; Mason, L; Monteiro, R; Tourkine, P
Physical Review D issue 12 volume 94 (1 January 2016)

New ambitwistor string theories

New ambitwistor string theories
Casali, E; Geyer, Y; Mason, L; Monteiro, R; Roehrig, K
JOURNAL OF HIGH ENERGY PHYSICS issue 11 (5 November 2015) Full text available

Loop Integrands for Scattering Amplitudes from the Riemann Sphere.

Loop Integrands for Scattering Amplitudes from the Riemann Sphere.
Geyer, Y; Mason, L; Monteiro, R; Tourkine, P
Physical review letters issue 12 volume 115 page 121603- (16 September 2015)

Ambitwistor strings at null infinity and (subleading) soft limits

Ambitwistor strings at null infinity and (subleading) soft limits
Geyer, Y; Lipstein, A; Mason, L
CLASSICAL AND QUANTUM GRAVITY issue 5 volume 32 (5 March 2015) Full text available

Ambitwistor strings in four dimensions.

Ambitwistor strings in four dimensions.
Geyer, Y; Lipstein, A; Mason, L
Physical review letters issue 8 volume 113 page 081602- (19 August 2014)

Scattering amplitudes and Wilson loops in twistor space

Scattering amplitudes and Wilson loops in twistor space
Adamo, T; Bullimore, M; Mason, L; Skinner, D
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL issue 45 volume 44 (11 November 2011) Full text available

Gravity, Twistors and the MHV Formalism

Gravity, Twistors and the MHV Formalism
Mason, L; Skinner, D
Communications in Mathematical Physics volume 294 page 827-862 (2010) Full text available

The polarized scattering equations for 6d superamplitudes

The polarized scattering equations for 6d superamplitudes
Geyer, Y; Mason, L
Physical Review Letters Full text available

Recent Publications:

Maximal-helicity-violating scattering of gluons and gravitons in chiral strong fields

Maximal-helicity-violating scattering of gluons and gravitons in chiral strong fields
Adamo, T; Mason, L; Sharma, A
Physical Review Letters issue 4 volume 125 page 041602- (24 July 2020)

Supersymmetric S-matrices from the worldsheet in 10 & 11d

Supersymmetric S-matrices from the worldsheet in 10 & 11d
Mason, L; Geyer, Y
Physics Letters B issue 10 May 2020 volume 804 (10 March 2020)

Supertwistor description of ambitwistor strings

Supertwistor description of ambitwistor strings
Berkovits, N; Guillen Quiroz, L; Mason, L
Journal of High Energy Physics issue 2020 volume 2020 (7 January 2020)

Celestial amplitudes and conformal soft theorems

Celestial amplitudes and conformal soft theorems
Adamo, T; Mason, L; Sharma, A
Classical and Quantum Gravity issue 20 volume 36 page 205018-205018 (27 September 2019)

Notes on the D=11 pure spinor superparticle

Notes on the D=11 pure spinor superparticle
Berkovits, N; Casali, E; Guillen, M; Mason, L
JOURNAL OF HIGH ENERGY PHYSICS issue 8 (30 August 2019) Full text available

Research interests:

My research interests lies in mathematical physics, focussing mostly on general relativity and quantum theory.

Much of my research is centred around twistor theory, a programme originally introduced by Roger Penrose as an approach to the unification of quantum theory and general relativity. Twistor theory now has strong links to string theory and finds wide application to problems in mathematical physics, geometry, nonlinear differential equations, particularly integrable systems. Much of my current work is on ideas arising from Witten's twistor-string theory and applications of twistor theory to scattering amplitudes. Further details of my research interests can be obtained from my publication list (see below for recent articles).

Prizes, awards, and scholarships:

Leverhulme Senior Research Fellow 2005-6, Leverhulme Research Fellow 2011-13

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