1. LPNHE Universite Paris 6 et 7
10-25 years of DØ France
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Hugh Montgomery
Jefferson Laboratory
LPNHE Universite Paris 6 et 7
October 14, 2008

2. Test
To our hosts
Pascal Debu
and everyone at the LPNHE
Thank you

3. Test
The Organisers
Greg Bernardi, Marc Besancon, Arnaud Duperrin, Phillipe Gay, Pierre Petroff, Isabelle Ripp-Baudot, Gerard Sajot, Patrick Verdier Thank you

4. Test
To The Speakers
Etienne Auge, Frederique Badaud, Ursula Bassler, John Campbell, Marcela Carena, Dima Denisov, Frederic Deliot, Arnaud DuPerrin, Albert DeRoeck, Jos Engelen, Paul Grannis, Sebastian Greder, Jean-Francois Grivaz, Beate Heinemann, Matt Herndon, Karl Jakobs, Eric Kajfasz, Patrice Lebrun, Arnaud Lucotte, Bruno Mansoulie, Klaus Moenig, Christophe Royon, Yves Sirois, Jan Stark, Boris Tuchming, Patrice Verdier, Harry Weerts, John Womersley, Darien Wood, Terry Wyatt
Especially to the non-DØ people
Thank you

5. Test
Fermilab Antiprotons

6. Test
CDF - The Competition

7. Transition Radiation Detector, ret.
Xe/CH4 conversion gap
polypropelene foils
TRD inside CDC
X-ray converter and charge collection chamber
Flash ADC time distribution of TRD response to electrons & pions (CERN test beam). Pion rejection > 50:1
Charge clusters from converted X rays drifted to anode wires

8. Transition Radiation Detector
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Transition Radiation Detector
The Scarlet Pimpernel, I failed to find a figure until I collected Paul’s Talk yesterday!!!
In Pluquet’s Thesis on the web the figures do not survive into .pdf.
But:
TRD played a major role in the “weeks of top”
and for my association with it, the LHCC declared me a TRD expert and had me give an internal briefing as a precursor to the discussion of the Atlas TRT.

9. Tevatron Run I and Top 57pb 19pb Dec 94 Aug 93 Yagil – Top Turns Ten
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Tevatron Run I and Top
19pb
57pb
- quick time line (run0, between the runs, preparations, a first hint, how we worked...)
- glimpse into our planning and execution...
-key dates (ev, dis)
-Lumi delivered/used
Aug 93
Dec 94
Yagil – Top Turns Ten

10. DØ Author List Thanks to all Abachi to Zylberstejn
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DØ Author List
Abachi to Zylberstejn
Thanks to all
(Grannis), Hadley – Top Turns Ten

11. Saclay Participation in Top Paper
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Saclay Participation in Top Paper
J. Alitti,
L. Chevalier,
Y. Ducros,
J.F. Glicenstein,
J-F. Lebrat,
B. Mansoulie,
A. Pluquet,
J. Teiger,
A. Zylberstejn

12. Run II Participation: Saclay and IN2P3
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Run II Participation: Saclay and IN2P3
“ Apres moi c’est le deluge!!!”
a dit Armand
(ou Louis XV ou Mme de Pompadour)
Bernardi, Bassler, Petroff, Kajfasz, Sajot, …
Clermont Ferrand, Grenoble, Lyon, Marseille, Paris, Orsay, CEA-Saclay, Strasbourg

13. Run II: The Calorimeter
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Run II: The Calorimeter
The heart of DØ needed help
Electronics
Calibration system
Purity Control
….. Lafayette a l’aide des Etats Unis contre les Anglais!?
Silicon, and much more

14. Test
DZero

15. QCD: Inclusive Jet Production
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QCD: Inclusive Jet Production

16. Physics of the Bs Meson Introduction The Bs Meson More Bs Mesons
Lifetimes and 
Direct CP Violation
Bs Oscillations
CP Violation in BsJ/
Conclusions

17. Wb- -> J/Y W- -> J/Y L K- -> (m+ m-)(p p-)K-
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18. Searches for New Phenomena
Searches for new particles predicted by many beyond the SM theories:
Leptoquarks – generations 1 and 2 (lljj, lnjj) and combined 1,2,3 (nnjj)
Susy – squark/gluino in MET+jets, lepton + jets
Wino/Zino trileptons, dileptons
top squarks
bottom squarks
GMSB gauginos
GMSB photons
R-parity violating couplings
Right-handed W
Heavy W,Z
4th generation b-quark
Leptophobic Higgs
Large extra dimensions (di-EM, monojets)
Anomalous trilinear couplings
Magnetic monopoles
Model independent searches (SLEUTH)
Excellent Run 1 MET resolution key for many searches.
Nothing Found!

19. New Phenomena Nothing So Far!!!!!
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New Phenomena
Nothing So Far!!!!!
But SUSY is running out of places to hide
Technicolor has not undergone resurrection
The extra dimensions are really rolled up tightly

20. Vector Boson Production
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Vector Boson Production

21. Summary of the Top Quark Mass Measurements
7/21/2018
( 1.2 GeV)
F. Déliot, D0-France 13-OCT-2008
M/M = 0.7%

22. Test
Electroweak Fits

23. Higgs Particle – CDF & DØ Combined
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Higgs Particle – CDF & DØ Combined

24. Test
Tevatron Luminosity

25. Efficient Operations: A DØ Hallmark
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Efficient Operations: A DØ Hallmark

26. Test
LHC: A new era to come?
We all look forward to the operation of the LHC with collisions at multi-TeV energies
The cross-sections for known high-mass processes such as top production will increase by a factor of ten from the TeVatron.
The experiments are superbly equipped in this region and higher.
The challenge is the low mass; if the Higgs is very light, finding it will be a challenge, anywhere

27. Nous ne regrettons rien
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Conclusions
The decision by the Saclay and IN2P3 groups to participate in DØ for run II appears, in retrospect, to have been the precursor to an explosion of participation from Europe in both CDF and DØ at the Tevatron.
It was of great importance for DØ ( and German, UK, other European participation in the Tevatron program)
It led to great physics.
Nous ne regrettons rien