U potrazi za Božijom česticom
Milan Milošević
Milošević
Astronomsko društvo ALFA – Niš
društvo Niš
Vršac, 22. 11. 2008

Credits: http://www.ipp.phys.ethz.ch/

Credits: http://www.ipp.phys.ethz.ch/

Lagranžijan
standardnog
modela
Credits: T.D. Gutierrez
http://nuclear.ucdavis.edu/~tgutierr

Credits: http://www.particleadventure.org/

Credits: http://www.valdostamuseum.org/hamsmith/cosm.html

Linearni akceleratori
Credit: TESLA, Hamburg, Nemačka
http://www.desy.de

• SAD:
– TEVATRON (Batavia, Illinois)
– SLC (SLAC, Stanford, California)
– RHIC (Brookhaven, NY)
• EVROPA: -
– LEP, SPS (LHC) (CERN, Geneve)
– HERA (DESY, Hamburg)
• AZIJA:
– TRISTAN (KEK, Tokyo, Japan)
– BEPC (Peking, China)

(C) Maximilien Brice, CERN

(C) Maximilien Brice, CERN

Malo brojeva:
Sudar Energija Luminoznost
[cm-2s-1]
LEP e+ - e- 200 GeV 1032
p-p 14 TeV 1034
LHC
Pb - Pb 1312 TeV 1027
• Temperatura: 1.8K
• Dužina: 27 km
• 1300 magneta (~ 13 metara, ukupno 24 kilometara)
• Struja: 6500 – 9000 A
• Magnetno polje: 8.5 T

Detektori
• ATLAS (A Toroidal LHC AparaturuS)
• CMS (Compact Muon Solenoid)
• ALICE (A Large Ion Colider)
• LHCb (Large Hadron Collider beauty)
• TOTEM (TOTal Elastic and diffractive
cross section Measurement)
• LHCf (Large Hadron Collider forward)

• Size: 46 m long, 25 m high
and 25 m wide. The ATLAS
detector is the largest
volume particle detector
ever constructed.
• Weight: 7000 tones
Credits: http://public.web.cern.ch • Design: barrel plus end
caps
ATLAS • Location: Meyrin,
Switzerland.

Installation of the Beam Pipe in the ATLAS cavern (Maximilien Brice, © CERN)

View of the ATLAS detector during July 2007 (Claudia Marcelloni, © CERN)

Lowering of one of the two ATLAS muon small wheels into the cavern. (Claudia
Marcelloni, © CERN)

View of the ATLAS cavern side A beginning of February 2008, before lowering of the Muon Small
Wheels (Maximilien Brice; Claudia Marcelloni, © CERN)

• Size: 21 m long, 15 m wide
and 15 m high.
• Weight: 12 500 tones
• Design: barrel plus end caps
• Location: Cessy, France.
Credits: http://public.web.cern.ch
CMS

View of the CMS (Compact Muon Solenoid) experiment Tracker Outer Barrel (TOB)
in the cleaning room. (Maximilien Brice, © CERN)

Insertion of the tracker in the heart of the CMS detector. (Maximilien Brice, © CERN)

• Size: 26 m long, 16 m
high, 16 m wide
• Weight: 10 000 tones
• Design: central barrel
plus single arm forward
muon spectrometer
Credits: http://public.web.cern.ch
• Location: St Genis-
ALICE Pouilly, France.

• Size: 21m long, 10m
high and 13m wide
• Weight: 5600 tones
• Design: forward
spectrometer with planar
detectors
• Location: Ferney-
Voltaire, France.
LHCb

Nobelova nagrada 2008
Yoichiro Nambu Makoto Kobayashi Toshihide Maskawa
1/2 of the prize 1/4 of the prize 1/4 of the prize
USA Japan Japan
Kyoto Sangyo University;
Enrico Fermi Institute, University High Energy Accelerator Research
Yukawa Institute for Theoretical
of Chicago Organization (KEK)
Physics (YITP), Kyoto University
Chicago, IL, USA Tsukuba, Japan
Kyoto, Japan
b. 1921
b. 1944 b. 1940
(in Tokyo, Japan)

TOTEM detector
Size: 440 m long, 5 m high and 5 m wide
Weight: 20 tonnes
Design: Roman pot and GEM detectors and cathode strip chambers
Location: Cessy, France (near CMS)
LHCf detector
Size: two detectors, each measures 30 cm long, 80 cm high, 10 cm wide
Weight: 40 kg each
Design:
Location: Meyrin, Switzerland (near ATLAS)

Zašto?

(credit: CERN & Alan Walker/AFP/Getty Images)

Lagranžijan
standardnog
modela
Credits: T.D. Gutierrez
http://nuclear.ucdavis.edu/~tgutierr

CERN danas?

Credits: http://lhc-operation.web.cern.ch/

Milan Milošević
mm@mmilan.com
http://www.mmilan.com/
http://www.elefmagazin.com http://www.creemaginet.com
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