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Theoretical High Energy Particle Physics Group


  • 2014-date Principal Investigator on STFC High Energy Physics theory consolidated grant
  • 2004-date Faculty, Department of Applied Mathematics and Theoretical Physics, University of Cambridge
  • 2004-2009 PPARC Advanced Fellow, University of Cambridge
  • 2002-2004 Postdoctoral researcher, Laboratoire d'Annecy de Physique des Particules Theorie
  • 2000-2002 Fellow, TH Division, CERN
  • 1998-2000 Postdoctoral researcher, Department of Applied Mathematics and Theoretical Physics, University of Cambridge
  • 1995-1998 Higher Scientific Officer, Rutherford Appleton Laboratory


Ben Allanach is a member of the Department of Applied Mathematics and Theoretical Physics High Energy Physics research group and The Cambridge Pheno Working Group based at the Cavendish Laboratory.

Ben is a particle phenomenologist and is primarily interested in interpreting data coming from the CERN experiments in terms of new particles and forces. He retains an interest in neutrino physics.

Recent Preprints 

Selected Publications

  • B.C. Allanach. B. Gripaios and J. Tooby-Smith, "Anomaly cancellation with an extra gauge boson", Phys. Rev. Lett. 125 (2020) 161601, 2006.03588 [hep-th]
  • B.C. Allanach, F.S. Queiroz, A. Strumia and S. Sun, "Z' models for the LHCb and g-2 muon anomalies", Phys. Rev. D 93 (2016) 5, 055045, 1511.07447 [hep-ph]
  • B.C. Allanach, "SOFTSUSY: a program for calculating supersymmetric spectra", Comput.Phys.Commun. 143 (2002) 305-331, hep-ph/0104145 [hep-ph]
  • P.Z. Skands, B.C. Allanach et al, "SUSY Les Houches Accord: Interfacing SUSY spectrum calculators, decay packages and event generators",  JHEP 07 (2004) 036, hep-ph/0311123 [hep-ph]
  • B.C. Allanach, K. Odagiri, M.A. Parker and B.R. Webber, "Searching for narrow graviton resonances with the ATLAS detector at the Large Hadron Collider", JHEP 09 (2000) 019, hep-ph/0006114 [hep-ph]

Ph.D. Students

  • Hannah Banks: 2019-
  • Maeve Madigan: 2018-2021
  • Tom Cridge: 2014-2018
  • Sophie Renner: 2012-2016
  • Matt Dolan: 2007-2010
  • Jordan Skittrall: 2006-2009
  • Steve Kom: 2005-2008

Selected External Activities


Semisimple extensions of the Standard Model gauge algebra
BC Allanach, B Gripaios, J Tooby-Smith
– Physical Review D
Semisimple extensions of the Standard Model gauge algebra
BC Allanach, B Gripaios, J Tooby-Smith
– Physical Review D: Particles, Fields, Gravitation and Cosmology
Global fits of third family hypercharge models to neutral current B-anomalies and electroweak precision observables
BC Allanach, JE Camargo-Molina, J Davighi
– The European Physical Journal C
Higgs-mass predictions in the MSSM and beyond
P Slavich, S Heinemeyer, E Bagnaschi, H Bahl, M Goodsell, HE Haber, T Hahn, R Harlander, W Hollik, G Lee, M Mühlleitner, S Paßehr, H Rzehak, D Stöckinger, A Voigt, CEM Wagner, G Weiglein, BC Allanach, T Biekötter, S Borowka et al.
– European Physical Journal C
$U(1)_{B_3-L_2}$ Explanation of the Neutral Current $B-$Anomalies
BC Allanach
– European Journal of Physics
Anomaly Cancellation with an Extra Gauge Boson.
BC Allanach, B Gripaios, J Tooby-Smith
– Phys Rev Lett
Reinterpretation of LHC results for new physics: status and recommendations after run 2
W Abdallah, S AbdusSalam, A Ahmadov, A Ahriche, G Alguero, BC Allanach, JY Araz, A Arbey, C Arina, P Athron, E Bagnaschi, Y Bai, MJ Baker, C Balazs, D Barducci, P Bechtle, A Bharucha, A Buckley, J Butterworth, H Cai et al.
– SciPost Phys
Review of particle physics
PA Zyla, RM Barnett, J Beringer, O Dahl, DA Dwyer, DE Groom, CJ Lin, KS Lugovsky, E Pianori, DJ Robinson, CG Wohl, WM Yao, K Agashe, G Aielli, BC Allanach, C Amsler, M Antonelli, EC Aschenauer, DM Asner, H Baer et al.
– Progress of Theoretical and Experimental Physics
Geometric General Solution to the $U(1)$ Anomaly Equations
BC Allanach, B Gripaios, J Tooby-Smith
– Journal of High Energy Physics
Next-to-Minimal SOFTSUSY (vol 185, pg 2322, 2014)
BC Allanach, P Athron, LC Tunstall, A Voigt, AG Williams
– Computer Physics Communications
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Research Group

High Energy Physics




01223 766889