TSL - The Svedberg Laboratory

The TSL is a university facility, based in Uppsala, Sweden.

Gustaf Werner cyclotron

The Gustaf Werner cyclotron at TSL provides particle beams for:


Radiation testing: Beamtime can be used for neutron and proton irradiation projects. Read more about our irradiation facilities.

Basic Research

Basic research: There are some time for basic (academic) research and in this case the experiments should be associated to Uppsala University or to EU projects. Read more about basic (academic) research at TSL.

TSL logo

This week

Machine running in FM-mode and producing 180 MeV protons.  Users in Blue Hall using PAULA(protons) resp ANITA(neutrons < 180MeV) irradiation facilities.

Long Term Schedule


2nd half of year 2015

1st half of year 2016

Apply for beamtime

Notice board

TSL Surplus campaign nr 1 is over, we are now clearing out leftovers and gathering equipment for next campaign. TSL Surplus campaign nr 2 will start within the coming weeks..

More information about TSL Surplus

(updated: 2016-02-03)


New year, new challenges

TSL wish all present and former customers a Happy and Prosperous New Year!

(updated: 2016-01-11)


Closing down for service and vacations

service man

On Friday Dec 18 we are closing down for service and vacations.

(updated: 2015-12-21)



The Svedberg by the cyclotron

There was a symposium held on November 27, 2015, giving highlights of the scientific activities at GWI and TSL from 1949 until 2015.

Here is the program of the Symposium with links to the presentations. 

(updated: 2015-12-03)


Proton therapy at TSL has ended.

Börje Larsson and The Svedberg
Börje Larsson and The Svedberg, GWI, 1954

The first patient was irradiated on 23 November 1957.

The last patient was irradiated on Friday 12 Juni 2015.

The proton therapy will continue at the new Skandion clinic, also in Uppsala.

(updated: 2015-06-15)


CUP - close user position

A new irradiation position, CUP (Close User Position) has been constructed, characterized, and put into operation at the ANITA facility for accelerated testing of components and systems for single event effects. The energy-integrated neutron flux above 10 MeV, amounting to more than 107 cm-2 · s-1, is the highest among the facilities with atmospheric-like spectra. Results of beam characterization measurements are reported in the recent publication:

A.V. Prokofiev, E. Passoth, A. Hjalmarsson and M. Majerle, ”CUP – A New High-Flux Irradiation Position at the ANITA Neutron Facility at TSL”, IEEE Transactions on Nuclear Science, Vol. 61, pp 1929-1936 (2014).

(updated: 2014-11-13)


Looking for old updates and outdated news? Check in this link: Old Notice Board News