Torbjörn Sjöstrand - Home/News

Senior Professor
in the Theoretical Particle Physics group
at the Department of Astronomy and Theoretical Physics,
Lund University.

CERN user in the Theoretical Physics Department.
Work supported by the
Swedish Research Council,
contract number 2016-05996.

Member of MCnet.


23 March 2022:
New article A comprehensive guide to the physics and usage of PYTHIA 8.3
C. Bierlich et al.
LU TP 22-16, MCnet-22-04, arXiv:2203.11601 [hep-ph]
This 315-page article should be the standard PYTHIA main reference from now on.
In addition, separate physics articles should be referenced for specific aspects, where relevant for a given study.

9 March - 5 April 2022:
Contributed to five "white papers" of the 2022 Snowmass Summer Study, see the full publications list for details.

25 February 2022:
PYTHIA version 8.307 now available.

24 September 2021:
New article The Forward Physics Facility: Sites, Experiments, and Physics Potential
L.A. Anchordoqui et al.
Phys. Rep. 968 (2022) 1
LU TP 21-36, arXiv:2109.10905 [hep-ph]

29 August 2021:
My homepage has been moved to and reduced in scope to better comply with the EU accessibility directive.

10 August 2021:
New article Hadron Interactions for Arbitrary Energies and Species, with Applications to Cosmic Rays
with Marius Utheim
Eur. Phys. J. C82 (2022) 21
(LU TP 21-32, MCnet-21-14, arXiv:2108.03481 [hep-ph] )

28 June 2021:
All my outgoing mail will come from from now on, owing to a change of mailserver, while the old address becomes an alias accepted only for incoming mail.

3 June 2021:
The PYTHIA webpages have been moved to

31 May 2021:
Awarded the 2021 EPS High Energy and Particle Physics Prize together with Bryan Webber.

18 March 2021:
New article Hadronic Rescattering in pA and AA Collisions
with Christian Bierlich and Marius Utheim
Eur. Phys. J. A57 (2021) 227
(LU TP 21-08, MCnet-21-03, arXiv:2103.09665 [hep-ph] )

5 November 2020:
PYTHIA version 8.245 now available.
Note that PYTHIA 8.3 is the main branch; this update is for legacy applications.