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WELCOME TO CERN...
LUCKY VISITORS!
Javier Santaolalla Camino
and
1
Lucky Visitors!
2
Lucky Visitors!
3
Lucky Visitors!
• YOU ARE IN THE BIGGEST ACCELERATOR
COMPLEX IN THE WORLD
• YOU ARE IN THE BIGGEST SCIENTIFIC
LABORATORY IN THE WORLD
• ONE OF THE MOST AMBITIOUS PROJECTS IN
THE HISTORY UN HUMAND KIND
• ONE OF THE BIGGEST COLABORATIONS EVER
MADE
• AND…
4
Lucky Visitors!
• YOU ARE IN THE BIGGEST ACCELERATOR
COMPLEX IN THE WORLD
• YOU ARE IN THE BIGGEST SCIENTIFIC
LABORATORY IN THE WORLD
• ONE OF THE MOST AMBITIOUS PROJECTS IN
THE HISTORY UN HUMAND KIND
• ONE OF THE BIGGEST COLABORATIONS EVER
MADE
• AND…
YOU HAVE 3 HOURS VISIT TO ENJOY IT
5
ABOUT THE VISIT
1.
Introduction (45 min)
2.
Visit experimental site (2
hours)
During the visit...
“MAKE AS MANY
QUESTIONS AS YOU
CAN”
6
ABOUT THE CREW
Dani Dominguez
Higgs Expert (CMS)
Jose Sanchez
Accelarators Expert (LINAC)
Garo Gonzalez
Higgs Expert (ATLAS)
7
ABOUT THE CREW
Dani Dominguez
Higgs Expert (CMS)
Jose Sanchez
Accelarators Expert (LINAC)
Garo Gonzalez
Higgs Expert (ATLAS)
8
WHAT TO LEARN FROM THE VISIT
1. WHY?
2. WHAT?
3. HOW?
4. WHERE?
9
WHAT TO LEARN FROM THE VISIT
1. WHY?
2. HOW?
3. WHAT?
4. WHERE?
WHY?
PRESENT STATUS OF PHYSICS
10
WHY?
EINSTEIN’S DREAM
1. SIMPLICITY
2. BEAUTY
3. UNIVERSALITY
INTERACTIONS
PHYSICS
PARTICLES
11
INTERACTIONS
EAK
WHY?
TRONG
RAVITY
12
PARTICLES
+ antipartículas
WHY?
I
II
III
I
II
III
u
d
eνe
c
s
μνμ
t
b
τντ
u
d
e+
νe
c
s
μ+
νμ
t
b
τ+
ντ
Lepto
nes
Gen.
Quarks
Periodic table of
the particles
15
WHY?
PROTON
NEUTRON
Gen.
I
Quarks
u
d
Lepto
nes
STANDARD MODEL
e-
II
III
WHY?
NEUTRINOS
Gen.
I
Quarks
100,000,000,000,000 n/s
coming from the sun!
u
d
Lepto
nes
Massless and chargeless.
Weakly interacting with matter.
Difficult to detect
eνe
II
III
WHY?
Gen.
I
Quarks
u
d
Lepto
ns
MORE INGREDIENTS
eνe
II
III
μνμ
τντ
mass
10000 muones / minuto /m2
WHY?
Gen.
I
II
III
Quarks
u
d
Lepto
nes
LAST INGREDIENTS
eνe
c
s
μνμ
t
b
τντ
masa
Quarks NEVER found alone,
always in groups called
HADRONS
WHY?
Antimatter
Vanishes when in contact
with matter
I
II
III
I
II
III
u
d
eνe
c
s
μνμ
t
b
τντ
u
d
e+
νe
c
s
μ+
νμ
t
b
τ+
ντ
Lepto
nes
Gen.
Quarks
ANTIMATTER
mass
I
II
III
I
II
III
Bosons
u
d
eνe
c
s
μνμ
t
b
τντ
u
d
e+
νe
c
s
μ+
νμ
t
b
τ+
ντ
Photon
W, Z
G
Graviton
Lepto
nes
Gen.
Quarks
WHY?
mass
+
Interactions
Particles
= STANDARD MODEL
+
Interactions
=
Particles
QUEST FOR SIMPLICITY
So close…
Gravity
Missing particles
…and yet, so far!
Too many
parameters
Cosmological questions
¿CCcómo conciliar gravitación y
mundo subatómico?
?
Dark Matter and Dark
energy?
?
Question about the beginning of the Universe
?
Why we have only matter in the
Universe? Where is the
antimatter?
Questions about the particles
How do they acquire
mass?
Why particles have
different masses?
?
William Ockham
“no hay que multiplicar los entes de la razón sin necesidad,
hay que ir siempre a las hipótesis más sencillas”
If this is the question…
New symmetries
Little Higgs
New particles
...
…this is the answer!
CMS
Propósito general
LHCb
Física del quark b
Violación CP
ALICE
Plasma de quarks
y gluones
ATLAS
Propósito general
WHAT TO LEARN FROM THE VISIT
1. WHY?
2. HOW?
3. WHAT?
4. WHERE?
HOW?
ACCELERATORS AND DETECTORS
32
HOW?
PARTICLE
PHYSICS
BIENVENIDOS
& ACCELERATORS
- QUE ES?
- PARA QUE?
ACCELERATOR
- COMO?
=
33
HOW?
ENERGY
WORK
ELASTIC
KINETIC
GRAVITATORY
ELECTR.
AND…
HOW?
ENERGY
WORK
ELASTIC
KINETIC
GRAVITATORY
and…
ELECTR.
I
II
III
I
II
III
u
d
eνe
c
s
μνμ
t
b
τντ
u
d
e+
νe
c
s
μ+
νμ
t
b
τ+
ντ
Lepto
nes
Gen.
Quarks
MASS
KINETIC
HOW?
WHAT TO LEARN FROM THE VISIT
1. WHY?
2. HOW?
3. WHAT?
4. WHERE?
WHAT?
ACCELERATORS AND DETECTORS
37
WHAT TO LEARN FROM THE VISIT
1. WHY?
2. HOW?
3. WHAT?
WHERE?
4. WHERE?
CERN
39
EUROPEAN LABORITY FOR PARTICLE PHYSICS
+ 10000 people
+ 50 years
.+ 62 country members
+ 20 experiments
Half of the
Particle
Physicist in th
world
WHERE?
41
CERN
We are HERE
ALICE
F
CH
ATLAS
CERN Meyrin
CERN Prévessin
CMS
SPS
Super Proton Synchrotron
LHCb
LHC
Large Hadron Collider
42
CERN
43
THANKS