The Oskar Klein Centre for cosmoparticle physics is an excellence centre base in Stockholm, Sweden. The organization within the centre is one of the key features to increase collaboration among groups belonging to different areas of research or to traditionally different institutes.

1. The
Oskar Klein
Centre
The organisation

2. 2
Oskar Klein
(1894 -1977)
Professor at Stockholm University (1930-1962)
He started a great tradition in Stockholm in the field of
cosmology
Klein’s paradox, Klein-Nishina formula, Kaluza-Klein theory of
extra dimentions, Alfvén-Klein matter-antimatter cosmology…

3. 3
The Oskar Klein Centre for
Cosmoparticle Physics (OKC)
A Linnaeus excellence centre awarded
in mid-2008 in strong national
competition.
Groups from the Astronomy Department
and Physics Department at Stockholm
University and the experimental
astroparticle physics group at KTH.
The grant was originally for 10 years,
7 MSEK/yr. This was increased by 10%,
from July 2010, after successful VR
evaluation, to 7.7 MSEK/yr.
There is a much larger co-funding from
the participating Universities and other
grants from VR, the Swedish National
Space Board, and private foundations
(esp. Wallenberg).

4. 95% of the
energy content
of the Universe
is of unknown
form
Energy Content of the
Universe (data from the
Planck satellite, March
2013)
5%
68% Dark
Energy
27%
68%
27% Dark
Matter
5% Ordinary
Matter
4

5. OKC binds together many
research groups towards
common goals
KTH Particle
Physics
Invisible Matter
in the universe
SU
Astronomy
Accelarated Expansion
- Dark Energy
SU
Particle
Physics
SU
Astroparticle
KTH
Astroparticle
Extreme Objects and
distant universe
SU
Supernova
5

6. The structure in working
groups stimulates
collaborations
SU
Astronomy
KTH Particle
Physics
SU
Particle
Physics
Dark Matter
working group
n
Structure Evolution
working group
Dark Energy
working group
OKC
Theorists
SU
Astroparticle
KTH
Astroparticle
Physics of Extreme Objects
working group
SU
Supernova
6

7. OKC organization
K. Freese, Ann Arbor, Michigan
B. Gustafsson, Uppsala
W. Hillebrandt, MPI München
H. Montgomery, JLAB
J. Peacock, Edinburgh
Adjoint member; L. Thorlacius, NORDITA
L. Bergström, Physics, SU (chair)
C. Fransson, AStronomy, SU (vice chair)
S. Nobili (secretary)
J. Conrad, Physics, SU
C. Clement, Physics, SU
A. Goobar, Physics, SU
K. Hulthqvist, Physics, SU
G. Mellema, Astronomy, SU
M. Pearce, Physics, KTH
S. Strandberg, Physics, SU
G. Östlin, Astronomy, SU
The Oskar Klein Centre
Project Leader
Lars Bergström
The Oskar Klein Centre
Steering Group
OKC-Day Forum
(assembly of all members)
International Advisory
Board
Outreach Group
Juniors
Journal Club
Dark Energy
Working Group
Dark Energy
Working Group
Structure Formation
Working Group
Steering Group - once a month
Working Groups - twice per month
Extreme Object
Working Group
Fundamental Theory
Working Group
OKC colloquium
Group
OKC-Day forum – twice a year
OKC colloquia - once a week
Junior Journal Club – once a week
7

8. Gender Representation in
The OKC Environment
14
Number of Doctoral 12
10
Exams
8
Total 40 PhDs =
26 male + 14 female 6
4
2
0
Male
Female
Total
2008 2009 2010 2011 2012 2013
Number of people in the
OKC environment
2009:
2011:
2013:
73
98
104
8
Professor 17 + 2 (M + F)
Senior researcher 14 + 1
Junior researcher 3 + 2
Post-doc 16 + 5
Other research staff 2 + 2
PhD student 25 + 13
Technical and admin. staff 1 + 1
Total 78 + 26 = 104