Storage Ring Parameters
SESAME
SESAME - A
rd
3
Generation Synchrotron Light Source for the Middle East
Developed under the auspices of UNESCO & modelled on CERN, SESAME
(Synchrotron-light for Experimental Science & Applications in the Middle East) is an
international research centre in construction in Jordan. It will enable world-class
research by scientists from across the Middle East/Mediterranean region (in subjects
ranging from biology & medical sciences through materials & environmental science &
physics, to archaeology), preventing or reversing the brain drain. It will also build
bridges between diverse societies, contributing to a culture of peace through
international cooperation in science. The centrepiece of SESAME is a new 2.5 GeV 3rd
Generation Electron Storage Ring/Light Source (133.2m circumference, 26nm-rad
emittance & 12 places for insertion devices), which will provide very intense light from
infra-red to hard X-rays for a wide range of studies, including regional biomedical &
environmental issues. The microtron that produces electrons and the booster that then
accelerates and injects them into the new storage ring were originally used at the
former Berlin Synchrotron BESSY I (a gift from Germany), but have been greatly
upgraded and refurbished. SESAME offers excellent opportunities to train local
scientists & attract those working abroad to return. The project is governed by a
Council which currently meets twice each year & presently has nine Members (Bahrain,
Cyprus, Egypt, Iran, Israel, Jordan, Pakistan, Palestinian Authority, and Turkey).
Other countries are expected to join. Members have collective responsibility for the
project & provide the annual operations budget (~$2.2 million in 2011 and currently
expected to rise to $(5.7-8.5) million when operation starts in 2015). Jordan provided
the site, building, & infrastructure. A staff of 21 is now installing the greatly refurbished
0.8 GeV BESSY I injector system. The facility will have the capacity to serve 25 or more
experiments operating simultaneously. Decommissioned beamlines, which will be
upgraded and refurbished to provide the basis for five of the seven Phase 1 SESAME
beamlines, have been provided by the Daresbury laboratory in the UK, the Helmholtz
Association in Germany (this beamline was in use at the European Synchrotron
Radiation Facility), the Swiss Light Source, and LURE in France. Beamline components
and other equipment have been provided by the University of Liverpool, Elettra in Italy
and US labs. The capital funding needed to complete the construction of SESAME is
being sought from the Members and from various external sources. Jordan has
contributed $3.3 million, in addition to the building and land, and the European Union
has contributed $4.8 million. Commitments and offers announced and confirmed by
Members in May 2011 look set to provide most of the remaining $35 million that is
needed to complete SESAME itself and the three beamlines that will be in operation
Nobel Laureates visit SESAME site in June,2008. 45
Laureates sign statement endorsing SESAME “as a
beacon, demonstrating how shared scientific
initiatives can help light the way towards peace”.
Members of SESAME (August 2011)
Observers: France, Germany, Greece, Italy,
Japan, Kuwait, Portugal, Russia, Sweden,
Switzerland, UK, and USA
from day one. A training program in the use of beamlines, and on accelerator technology
& scientific applications, has been underway since 2000, funded by the International
Atomic Energy Agency (IAEA), the Abdus Salam International Centre for Theoretical
Physics (ICTP), the Japanese Society for the Promotion of Science (JSPS), the
Portuguese Foundation for Science and Technology (FCT), the US Department of Energy,
& fellowships by synchrotron radiation laboratories around the world. The laboratory is
managed by a Director, together with Scientific, Technical and Administrative Directors*.
The accelerator group has finalized the design of the facility. In July 2009 the first beam
was extracted from the microtron, and early in 2012 the booster is to be commissioned.
Construction of the shielding wall and of the tunnels where the accelerators are to be
installed has been completed. Four Advisory Committees* advise the Council and work
with the staff* on the technical design, beamlines, training and scientific programs. A
“soft” inauguration (marking building completion, staff occupancy, & start of installation
of the injector) was held on November 3, 2008, with the Director-General of UNESCO, a
representative of the King of Jordan, and many dignitaries present.
See
www.sesame.org.jo
SESAME staff at work on 22 MeV BESSY I Microtron
Left to Right:
Dincer Ulku, Past Vice President of SESAME Council until June 2011
Chris Llewellyn-Smith, President of SESAME Council (Nov.2008 -)
Yasser Khalil, Administrative Director of SESAME
Khaled Toukan, Director of SESAME
Herwig Schopper, Past President SESAME Council until Nov. 2008
Hafeez Hoorani, Scientific Director of SESAME
Amor Nadji, Technical Director of SESAME
Albin Wrulich, Chair of SESAME Technical Advisory Committee
SESAME location in Allan, Jordan
Shielding
installed in
SESAME
building
Science with S E S A M E
Several hundred Middle East scientists have participated in ten scientific
workshops & eight Users’ Meetings. These events have facilitated the
establishment of contacts between potential users of SESAME and provided
scientists from the region with opportunities to embark on joint projects. Based
on input from many of these meetings, 70 proposals received, & joint meetings of
the Scientific & Beamlines Advisory Committees, the following first phase
beamlines are planned (the first three being the “day-one” beamlines):
1
2
3
4
5
6
7
Beamline
Energy
Source
Protein Crystallography
4 -14 keV Bending Magnet
X-ray absorption fine
3- 30 keV Bending Magnet
structure and X-ray
fluorescence spectroscopy
Infrared
0.01 -1 eV Bending magnet
Powder diffraction
3-25 keV Wiggler
Small and wide angle X-ray 8-12 keV Bending magnet
scattering
Extreme ultraviolet
10- 200 eV Bending magnet
Soft X-ray ultraviolet
50-2000 eVElliptically polarizing undulator
Flux
The SESAME Building
Joint meeting of SESAME Scientific
& Beamlines Advisory Committees.
In front center are Zehra Sayers &
Zahid Hussain, Chairs of these
Committees.
The SESAME building, designed by Rafiq Sarraf & the Engineering Dept of
the Al-Balqa’ Applied University in Salt, Jordan, together with engineers from
the Karlsruhe Research Center in Germany, & funded by Jordan, was
completed in 2008. The ground floor will contain the ring, injector & up to 25
independent beamlines. By offsetting the ring by 5m, some of these
beamlines will have lengths up to 37m. The experimental area is 60m x 60m
with extensions of 7.5m on each side. 12 laboratories & 3 workshops are in
the corners. The 1st floor provides 2100m² space for 20m² offices for staff &
users plus the control room.
Brightness
Storage Ring Parameters
1E +19
1E+16
In-Vacuum (6mm gap)
Undulator, 25mm
In-Vacuum (6mm gap) Undulator, 25mm
1E +18
Photons/s/mm^2*mrad^2*0.1BW
Photons / sec / 0.1% BW
1E+15
Wiggler, 2.5T, 120mm
Undulator, 40mm
1E+14
Bending, 2.5GeV
1E+13
1E +17
Wiggler, 3.5T,
60mm
1E +16
Wiggler, 2.5T,
120mm
1E +15
Bending,
2.5GeV
1E +14
1E +13
1E+12
1
Photonenergy (KeV)
10
2.5
Maximum Beam Current (mA)
400
Bending Flux Density (T)
1.455
Circumference (m)
133.2
Emittance (nm.rad)
26
Maximum ID Length (m)
3.9
Beam Cross Section in the Long
Straight Sections (σx, σy) (µm)
828 x 21
Available Straight Sections for
Insertion Devices
Number of Bending Magnets
12
Number of Quadrupoles
64
Number of Sextupoles
64
Environmental science &
Archaeology Laboratory
Physics Laboratory
Undulator, 40mm
Wiggler, 3.5T, 60mm
0.1
Energy (GeV)
100
0 .1
1
10
P ho t o ne ne rgy ( Ke V )
10 0
BessyI
0.8 GeV
injector
16
*Directorate: K. Toukan (Director/Jordan), H. Hoorani (Scientific Dir./Pakistan), A. Nadji (Technical Dir./France-Algeria), M.Y. Khalil
(Administrative Dir./Egypt)
*SESAME Staff: I.Abid, S.Abu-Ghannam, T.Abu-Hanieh, S.Al-Faques, H.Al-Mohamad, A.Al-Zoubi, M.Al-Zoubi, A.Alkurdi, M.Alnajdawi, A.Amro,
A.Ateieh, M.Attal, S.Budair, D.Foudeh, A.Ghnaimat, A.Hamad, M.Harfouche, S.Jafar, F.Makahleh, S.Matalgah, O.Nour, I.Radwan, I.Saleh, R.
Sarraf, N.Sawai, M.Shehab, H.Tarawneh, Q.Ziaulhaque
*Advisory Committee Chairs: Beamlines: Z. Hussain (ALS-US/Pakistan), Scientific: Z. Sayers (Sabanci Univ, Turkey), Technical: A. Wrulich
(PSI, Switzerland) Training: J. Rahighi (Institute for Research in Fundamental Sciences, Iran)
* UNESCO: M. Nalecz (Secretary to the SESAME Council), C. Formosa-Gauci (UNESCO Division of Basic & Engineering Sciences)
July 10, 2011
Bio-Medical
Laboratory
Materials science
Laboratory
The 2.5 GeV Storage Ring
The lattice uses “TME-Optics” for lowest emittance & highest percentage of the
circumference for insertion devices. The ring has 8 Super Periods, each with 2x22.5
degree combined function bend magnets. Quadrupoles & sextupoles on each side provide
focusing & chromatic correction. 12 straight sections are available for insertion devices
with lengths up to 3.9 meters.