cl99061_8_2007'ppt

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2007
Size 109 m x 80 m
Mass 420 t.
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Ninety Years of Super Conductivity
Normal conduction Wire
Nobel Prizes in
H. Kammerlingh-Onnes Discovery of
Superconductivity
1913
J. Barden, L.Cooper, J.Schrieffer Theory of
Superconductivity (BCS theory)
1972
current
1987
G.Bednorz, A.Müller Discovery of High
temperature Superconductivity
Metal atoms oscillate ? cause friction ? HEAT
Super-Conduction at -270C (Kammerlingh-Onnes
1911)
2003
A.A. Abrikosov, V.L. Ginzburg, A.J.
Leggett Theory of superconductors and
superfluids
current
Applications of Superconductivity Avoid Quench
Quench loss of superconductivity due to relative
motion of wire ? friction ? temperature increase
Metals Pb, Nb, Ti ? Atoms rest, Cooper pairs
of electrons move frictionless (Quantum Mech.)
Superconducting Super Collider (SSC)
1990
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Testing Coil to full current
It is not possible to quench the coils except by
outside heating
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Quench protection
To ensure not to loose all He in case of quench

• All coil cooling is by conduction
• Coils designed for heat removal
• from a small number of discrete points.

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Configuration of magnet supports
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Magnet support Straps
300K
The cold mass of 1.8 K has to be supported to
the vacuum case, which is approximately 300
K. This is achieved by 16 straps, which hold the
2-ton cold mass in position during launch
(acceleration 3g) and landing (de-acceleration
10g). In space, the straps are designed to be
nearly disconnected so as not to transfer heat
from the vacuum case to the cold mass.
Tension-only straps with a passive
orbital disconnect.
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Ground Support Equipment for cool down and
filling AMS with SFHe
(SJTU, ETH-MIT, NASA, SCL)
A B
B only
AMS to Shuttle
AMS arrival
3
1
1
AMS testing
2
A B
B
A
80K-1.8K
300-80K
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Ring Imaging Cerenkov Counter (RICH)
DV/V 0.1 to determine the mass
P mV
Q?? V
Q?? V
11040 (4mm x 4mm) photomultipliers
Major contribution from Spain M. Aguilar-Benitez
Coordinator G. Laurenti
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AMS-02 Calorimeter
3D Sampling
LAPP Annecy
INFN Pisa
IHEP Beijing
J.P. Vialle
F. Cervelli
H.S. Chen
Shower ? e energy
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AMS-02 Electronics
Production, Testing, QA Qualification
Bulk of flight electronics produced at CSIST,
Taiwan, established Mil-Spec technologies,
infrastructure QA 25 engineers 45
technicians. Quality assured by NASA, LMSO AMS
team reviews every 3 months. Testing (Vibration,
Thermal, EMC) at CSIST with established
facilities, teams. Testing (Thermal Vacuum) at
NSPO, Taiwan with space qualified facilities.
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AMS-02
After integration, the complete electronics and
detectors will undergo
Calibration Test Beam at CERN
Thermal-Vacuum Test at ESA (Noordwijk)
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AMS on ISS (search for antimatter
109
108
107
106
105
Yield on GV/c intervals, for 3 years on ISS
104
103
102
10
1
10-1
0
400
800
1200
-400
-800
-1200
GV
Search He sensitivity of 1/billion
?
If no antimatter is found ? there is no
antimatter to the edge (1000 Mpc) of Universe
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Search He sensitivity of 1 / billion
Alpha Magnetic Spectrometer on the International
Space Station (AMS-02) Antimatter Investigation
System (AIS) at Southeast University,
Nanjing June 2003
S.E.U.
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Unidentified Sources with AMS
g ? e e
g ? e.m.shower
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CONCLUSION
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TVT tests
Make stands
1-
Preparation group
2-
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Weight reduction
4 x JMDC
1-
Remove most USCM
2-
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WEIGHT meeting
November 28, 2003 S.C.C. Tingoffice 32/4B-03
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Electronics meeting
December 8 - 12, 2003 CSIST, Taiwan
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CSIST meeting, Dec. 8 - 12, 2003
December 8, 9 J, JT, JPD systems December 10,
11 T, U systems December 12 UPS systems
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CSIST meeting, Dec. 8 - 12, 2003

• Uni. of Geneva E. Cortina
• Karlsruhe F. Hauler
• Perugia M. Menichelli
• Perugia G. Ambrosi
• MIT S.C.C. Ting

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TIM meeting
January 19 - 23, 2004 at K.S.C.- NASA or at CERN
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The Thermal CDR is scheduled To be in Milano
(ITALY) At Carlo Gavazzi Space 29-30 January
2004
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Thermal CDR - Attendees

• Magnet SCL (S. Harrison)
• ACC LMSO (C. Clark)
• PDS CGS
• Cryocoolers GSFC (S. Breon)
• TTCS NLR, NIKHEF, GVA
• RICH-ECAL-TOF CGS
• TRD OHB-system / RWTH Aachen
• TRD GAS BOX LMSO (C. Clark)
• CAB Crisa
• UPS LMSO (C. Clark, P. Nemeth)
• Electronics MIT (M. Capell)
• Star Tracker INFN RM
• Bricks CNR-FI (G. Castellini)
• CVB ETH (J. Ulbricht)

• J. Burger, H. Hofer
• 3 from OHB
• R. Becker, Y. Wang
• 8 from CGS
• NSPO J.R. Tsai
• LMSO C. Clark, R. Harold,
• B. Sommer, T. Martin
• 2 PHASE expert GSFC

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Inputs Needed

• Coupled Loads Analysis from LMSO
• by end Nov.
• Confirmation of agreed configuration
• by Nov. 28 mass saving meeting
• Data from subdetectors by 19 Jan. 04

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Safety and rehearsal meetings combined with TIM
March 8 - 12, 2004 at CERN Council Chamber
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