overture
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OVERTUREOVERTURE
TO THE “OLDS” IN THE ROOM TO THE “OLDS” IN THE ROOM
““NEVER UNDERESTIMATE THE NEVER UNDERESTIMATE THE PLASURE WE FEEL WHEN HEARING PLASURE WE FEEL WHEN HEARING SOMETHING ALREADY KNOWN”SOMETHING ALREADY KNOWN”
Enrico FERMIEnrico FERMI
HERA HERA HAS BEEN CLOSED,HAS BEEN CLOSED, LHC LHC IS BEING OPENINGIS BEING OPENING
((NEAR PAST AND NEAR FUTURE OF NEAR PAST AND NEAR FUTURE OF PARTICLE PHYSICS)PARTICLE PHYSICS)
Carlos García CanalCarlos García CanalUniversidad Nacional de La PlataUniversidad Nacional de La Plata
II LAWHEPII LAWHEP
. . GENERAL ACCOUNT ON THE EXPERIMENTAL GENERAL ACCOUNT ON THE EXPERIMENTAL RESULTS OF THE RECENTLY CLOSED DESY-RESULTS OF THE RECENTLY CLOSED DESY-HAMBURG HERA ACCELERATOR.HAMBURG HERA ACCELERATOR.
. . PRESENTATION OF THE PHYSICS EXPECTED TO BE PRESENTATION OF THE PHYSICS EXPECTED TO BE REVEALED BY THE LHC-CERN ACCELERATOR REVEALED BY THE LHC-CERN ACCELERATOR BEGINNING TO DELIVER DATA IN LESS THAN A YEAR.BEGINNING TO DELIVER DATA IN LESS THAN A YEAR.
. . ANALYSIS OF THE IMPACT OF THIS INFORMATION ANALYSIS OF THE IMPACT OF THIS INFORMATION ON THE THEORETICAL DEVELOPMENTS.ON THE THEORETICAL DEVELOPMENTS.
PARTICLE PHYSICS: PARTICLE PHYSICS: NEAR PAST AND NEAR FUTURENEAR PAST AND NEAR FUTURE
FROM M. MANGANO
PARTICLE PHYSICS 29.300PARTICLE PHYSICS 29.300
GENEVA, 22 JUNE 2007:
SPEAKING AT THE 142nd SESSION OF THE CERN COUNCIL TODAY, THE ORGANIZATION´S DIRECTOR GENERAL ROBERT AYMAR ANNOUNCED THAT THE LARGE HADRON COLLIDER (LHC) WILL START UP IN MAY 2008, TAKING THE FIRST STEPS TOWARDS STUDYING PHYSICS AT A NEW HIGH-ENERGY FRONTIER
ON JUNE 30, 2007, DATA TAKING AT THE ELECTRON-PROTON STORAGE RING HERA AT DESY WILL COME TO AN END:
FOR 15 YEARS THE PARTICLE PHYSICS EXPERIMENTS AT HERA HAVE PROVIDED A UNIQUE AND DETAILED PICTURE OF THE PROTON AND THE INTERACTING FORCES SAID PROF. ROLF-DIETER HEUER, RESEARCH DIRECTOR AT DESY
TODAYTODAY – – PHYSICS PHYSICS - - TODAYTODAY
FUNDAMENTALFUNDAMENTAL
SYMMETRIESSYMMETRIES
EINSTEIN 1905: SPECIAL THEORY OF EINSTEIN 1905: SPECIAL THEORY OF RELATIVITYRELATIVITY
WIGNER DIXIT:WIGNER DIXIT:
EINSTEIN´S WORK MARKS THE INVERSION OF A EINSTEIN´S WORK MARKS THE INVERSION OF A TENDENCY, FORMERLY THE INVARIANCE PRINCIPLES TENDENCY, FORMERLY THE INVARIANCE PRINCIPLES WERE OBTAINED FROM THE LAWS OF MOVEMENT. WERE OBTAINED FROM THE LAWS OF MOVEMENT. NOW IT IS NATURAL FOR US TO OBTAIN THE LAWS OF NOW IT IS NATURAL FOR US TO OBTAIN THE LAWS OF NATURE AND PROVE THEIR VALIDITY BY MEANS OF NATURE AND PROVE THEIR VALIDITY BY MEANS OF THE INVARIANCE LAWS.THE INVARIANCE LAWS.
GAUGE SYMMETRYGAUGE SYMMETRY
ENGINE OF THE PRESENT DEVELOPMENT OF PHYSICS ENGINE OF THE PRESENT DEVELOPMENT OF PHYSICS
UNIFICATION OF THE FUNDAMENTAL FORCESUNIFICATION OF THE FUNDAMENTAL FORCES
´T HOOFT DIXIT:´T HOOFT DIXIT:
““TEMPORARY SOLUTION TO NEARLY A CENTURY TEMPORARY SOLUTION TO NEARLY A CENTURY OF QUESTIONS”OF QUESTIONS”
STANDARD MODELSTANDARD MODEL
+ MECANISMO DE HIGGS+ MECANISMO DE HIGGS
(QCD)(QCD) (EW)(EW)
. ONE OF THE GREATEST SUCCESS OF PHYSICS. ONE OF THE GREATEST SUCCESS OF PHYSICS
. COMPRISES PRACTICALLY ALL THAT IS KNOWN OF . COMPRISES PRACTICALLY ALL THAT IS KNOWN OF THE SUBATOMIC WORLD IN A CONCISE SET OF THE SUBATOMIC WORLD IN A CONCISE SET OF PRINCIPLES AND EQUATIONS.PRINCIPLES AND EQUATIONS.
. EXCEEDED EXPERIMENTAL TESTS IN ENERGY . EXCEEDED EXPERIMENTAL TESTS IN ENERGY RANGES VERY DISTANT FROM THE ONES INCLUDED RANGES VERY DISTANT FROM THE ONES INCLUDED IN ITS ORIGINAL DESIGNIN ITS ORIGINAL DESIGN
GAUGE FIELD THEORYGAUGE FIELD THEORY
CHARACTERSCHARACTERS
1st. GENERATION1st. GENERATION
COUPLING CONSTANTSCOUPLING CONSTANTS
IS NOT COMPLETE !!!IS NOT COMPLETE !!!
.. AESTHETICAL DEFICIENCIES AESTHETICAL DEFICIENCIES .. PHENOMENA NOT INCLUDED PHENOMENA NOT INCLUDED
CAUSE OF THE SYMMETRY BREAKING CAUSE OF THE SYMMETRY BREAKING ??
GAUGE INTERACTIONS UNIFY GAUGE INTERACTIONS UNIFY ??
GRAVITY GRAVITY ??
DARK MATTER DARK MATTER ??
DARK ENERGY DARK ENERGY ??
SOMETHING ELSE SOMETHING ELSE ??
……
COLLIDERSCOLLIDERS
BEAMS OFBEAMS OF ACCELERATEDACCELERATED
IN OPPOSITE DIRECTIONS COLLIDE FRONTALLYIN OPPOSITE DIRECTIONS COLLIDE FRONTALLY
ELECTRONS ELECTRONS and / or and / or PROTONSPROTONS
ELECTRONS ARE “ELEMENTARY” ELECTRONS ARE “ELEMENTARY” WELL DEFINED INITIAL STATEWELL DEFINED INITIAL STATE
SMALLSMALL
SMALLSMALL SYNCHROTRON RADIATIONSYNCHROTRON RADIATION
INITIAL BREMSSTRAHLUNG WELL KNOWNINITIAL BREMSSTRAHLUNG WELL KNOWN
ELECTRON COLLIDERELECTRON COLLIDER
STANDARD MODEL MACHINESTANDARD MODEL MACHINE
Zº PHYSICSZº PHYSICS
MASSMASS
WIDTHWIDTH
COUPLING Zº TO FERMIONSCOUPLING Zº TO FERMIONS
ASYMMETRIESASYMMETRIES
LEPTON UNIVERSALITYLEPTON UNIVERSALITY
WEIBERG ANGLEWEIBERG ANGLE
FAMILY PICTUREFAMILY PICTURE
CROSS SECTION DIVERGESCROSS SECTION DIVERGES
ANOTHER DIAGRAMMANOTHER DIAGRAMM
Zº TO CURE!Zº TO CURE!
PROTON COLLIDER (TEVATRON)PROTON COLLIDER (TEVATRON)
SYNCHROTRON RADIATION NOT IMPORTANTSYNCHROTRON RADIATION NOT IMPORTANT
CROSS SECTION LARGE MANY EVENTSCROSS SECTION LARGE MANY EVENTS
PROTON HAS COMPONENTSPROTON HAS COMPONENTS
(COLLISION AMONG COMPONENTS SHARING THE PROTON MOMENTUM)(COLLISION AMONG COMPONENTS SHARING THE PROTON MOMENTUM)
Ex:Ex:
DISTRIBUTION FUNCTIONDISTRIBUTION FUNCTION
PARTON-PARTON CROSS SECTIONPARTON-PARTON CROSS SECTION
MOMENTUM FRACTIONMOMENTUM FRACTION
TEVATRONTEVATRONACCESS TO THE PHYSICS OF THE STANDARD MODELACCESS TO THE PHYSICS OF THE STANDARD MODEL
B PHYSICSB PHYSICSQCDQCDELECTROWEAKELECTROWEAKHIGGS SEARCHHIGGS SEARCH
W MASS WITH GREATER PRECISIONW MASS WITH GREATER PRECISION
PRODUCTION OF WW AND WZ PAIRSPRODUCTION OF WW AND WZ PAIRS
QCD WITH PHOTONSQCD WITH PHOTONS
JETSJETS
PHYSICS OF THE TOPPHYSICS OF THE TOP
CP VIOLATION IN BCP VIOLATION IN B
CABBIBO-KOBAYASHI-MASKAWA MATRIXCABBIBO-KOBAYASHI-MASKAWA MATRIX
ELECTRON AND PROTON COLLIDERSELECTRON AND PROTON COLLIDERSCOMPLEMENTARYCOMPLEMENTARY
PROVIDE “CLEAN” EXPERIMENTS (STANDARD MODEL)PROVIDE “CLEAN” EXPERIMENTS (STANDARD MODEL)
(PRECISION)(PRECISION)
PROVIDE ENOUGH ENERGY FOR DISCOVERIESPROVIDE ENOUGH ENERGY FOR DISCOVERIES
(POTENTIALITY)(POTENTIALITY)
ELECTRON - PROTON COLLIDERELECTRON - PROTON COLLIDER
HERAHERA
ELECTROWEAK PROBE TO ANALYSE ELECTROWEAK PROBE TO ANALYSE THE PROTON STRUCTURETHE PROTON STRUCTURE
SCATTERING OF A LEPTON BY A SCATTERING OF A LEPTON BY A
PROTON (AT HIGH ENOUGH ) PROTON (AT HIGH ENOUGH )
ELASTIC SCATTERING OF THE ELASTIC SCATTERING OF THE
LEPTON BY A POINTLIKE LEPTON BY A POINTLIKE
CONSTITUENT (INCOHERENT) OF CONSTITUENT (INCOHERENT) OF
THE PROTON (PARTON)THE PROTON (PARTON)
““RESOLVING POWER”RESOLVING POWER”
(SIZE RESOLVED IN THE PROTON)(SIZE RESOLVED IN THE PROTON)
EMISION AND ABSORTION OF GLUONSEMISION AND ABSORTION OF GLUONS
MEASURED ATMEASURED AT
PROVIDES EVOLUTION INPROVIDES EVOLUTION IN
BINDEDBINDED
SEASEA
Q LARGER MORE PARTONSQ LARGER MORE PARTONS INVOLVED WITH LOWER xINVOLVED WITH LOWER x
2
FUNCTIONS OFFUNCTIONS OF
VALENCEVALENCE
RADIATIVELY CREATED SEARADIATIVELY CREATED SEA
SLAC 1970SLAC 1970
PROTONPROTONSTRUCTURE FUNCTIONSTRUCTURE FUNCTION
VALENCE QUARKSVALENCE QUARKS
EXCELENT MEASUREMENTS OF ANGULAR DISTRIBUTIONS IN DISEXCELENT MEASUREMENTS OF ANGULAR DISTRIBUTIONS IN DIS
(NEGATIVE CHARGE)(NEGATIVE CHARGE) LINEAR GROWINGLINEAR GROWING
LINEAR GROWINGLINEAR GROWING
SLOPE = INTERSECTIONSLOPE = INTERSECTION
DOMINANTDOMINANT
PROTON [AT LARGE RESOLUTION ( )] HAS PROTON [AT LARGE RESOLUTION ( )] HAS
VALENCE STRUCTUREVALENCE STRUCTURE
WEAKNESS OF WEAKWEAKNESS OF WEAK ANDAND
SLOWSLOW
FASTERFASTER
UNIFICATIONUNIFICATION
AT A LARGE MOMENTUM TRANSFER, THE CROSS SECTIONS OF AT A LARGE MOMENTUM TRANSFER, THE CROSS SECTIONS OF CHARGED (W) AND NEUTRAL (PHOTON + Z) CURRENTS ARE CHARGED (W) AND NEUTRAL (PHOTON + Z) CURRENTS ARE
EQUALEQUAL
THE ELECTROMAGNETIC AND WEAK FORCES HAVE THE THE ELECTROMAGNETIC AND WEAK FORCES HAVE THE SAME SAME INTENSITYINTENSITY!!!!!!
W BOSONS ARE LEFTISTS!!!W BOSONS ARE LEFTISTS!!!
CC CROSS SECTION AS A FUNCTION OF and POLARIZATIONCC CROSS SECTION AS A FUNCTION OF and POLARIZATION
QUARKSQUARKS
POINTLIKEPOINTLIKE
10% OF DIS EVENTS !!!10% OF DIS EVENTS !!!
IMPACT OF HERA IN LHCIMPACT OF HERA IN LHC
. DISTRIBUTION OF PARTONS MEASURED. DISTRIBUTION OF PARTONS MEASUREDIN HERA FUNDAMENTAL FOR EVENT IN HERA FUNDAMENTAL FOR EVENT PREDICTIONS IN LHCPREDICTIONS IN LHC
. DIFRACTION IN HERA (GAPS) ALLOW TO . DIFRACTION IN HERA (GAPS) ALLOW TO QUANTIFY RESCATTERING IN LHCQUANTIFY RESCATTERING IN LHC
EXPLORES AN ENERGY SCALE (and d)EXPLORES AN ENERGY SCALE (and d)
TOTALLY NEWTOTALLY NEW
OBJECTIVESOBJECTIVES
HIGGS SEARCHHIGGS SEARCH
NEW PHYSICS SEARCHNEW PHYSICS SEARCH SUPERSYMMETRYSUPERSYMMETRY
EXTRA DIMENSIONSEXTRA DIMENSIONS
““SEARCH” OF WHAT IS NOT SEARCHED !SEARCH” OF WHAT IS NOT SEARCHED !
ATLAS
CMS
FIRST STEPSFIRST STEPS
UNDERSTANDING THE DETECTORSUNDERSTANDING THE DETECTORS
MEASURING JETS AND COMPARISON WITH QCDMEASURING JETS AND COMPARISON WITH QCD
CALIBRATION OF ENERGYCALIBRATION OF ENERGY
EVENTS WITH W AND ZEVENTS WITH W AND Z
PHYSICS OF THE TOP LOST ENERGYPHYSICS OF THE TOP LOST ENERGY
SEARCH FOR THE HIGGSSEARCH FOR THE HIGGS
HIGGSHIGGS
(FROM RADIATIVE CORRECTIONS ANALYSIS)(FROM RADIATIVE CORRECTIONS ANALYSIS)
ONE ROAD TO HIGGS:ONE ROAD TO HIGGS:
ALLALL
GLUONS IN THE PROTONGLUONS IN THE PROTON
QCD COUPLINGQCD COUPLING
HIGGS COUPLING HIGGS COUPLING
GAUGE COUPLINGGAUGE COUPLING
QUANTUM THEORY (LOOPS)QUANTUM THEORY (LOOPS)
VIRTUAL PARTICLESVIRTUAL PARTICLES
BEYOND THE STANDARD MODELBEYOND THE STANDARD MODEL
ORIGIN OF THE MASSES ORIGIN OF THE MASSES (HIGGS + SOMETHING) (CONFINEMENT)(HIGGS + SOMETHING) (CONFINEMENT)
UNIFICATION (?) UNIFICATION (?)
QUANTUM THEORY AND GENERAL RELATIVITY QUANTUM THEORY AND GENERAL RELATIVITY (STRINGS (?))(STRINGS (?))
LARGELARGE EXTRA DIMENSIONSEXTRA DIMENSIONS
SUPERSYMMETRYSUPERSYMMETRY
UNPARTICLESUNPARTICLES
THEORYTHEORY
SUSYSUSY
PREDICTS THE EXISTENCE OF A NEW WORLD OF PREDICTS THE EXISTENCE OF A NEW WORLD OF PARTICLES WITH MASSES IN THE RANK OF TeVPARTICLES WITH MASSES IN THE RANK OF TeV
(SUPERSYMMETRIC MATES OF THE KNOWN PARTICLES)(SUPERSYMMETRIC MATES OF THE KNOWN PARTICLES)
THEY HAVE: THEY HAVE:
THE SAME QUANTUM NUMBERS BUT THEIR SPINS DIFFER IN ½THE SAME QUANTUM NUMBERS BUT THEIR SPINS DIFFER IN ½
DIFFERENT MASSES (THEY DID NOT APPEAR)DIFFERENT MASSES (THEY DID NOT APPEAR)
GAUGINOS (S=1/2) : GAUGINOS (S=1/2) : WINO, ZINO, GLUINO, FOTINOWINO, ZINO, GLUINO, FOTINO
SPARTICLES (S=0) : SPARTICLES (S=0) : SQUARKS, SLEPTONSSQUARKS, SLEPTONS
HIGGSINOS, GRAVITINOS, …HIGGSINOS, GRAVITINOS, …
R PARITYR PARITY
B: BARYON NUMBERB: BARYON NUMBERL: LEPTON NUMBERL: LEPTON NUMBERS: SPINS: SPIN
B, L, S CONSERVEDB, L, S CONSERVED R CONSERVED R CONSERVED
LIGHTEST SUSY PARTICLE LIGHTEST SUSY PARTICLE (WITH R = -1) (WITH R = -1)
SHOULD BE STABLESHOULD BE STABLE
NORMAL: R= +1NORMAL: R= +1SUSY : R= -1SUSY : R= -1
R = R = ((-1-1))3B+L+2S3B+L+2S
http://mlm.web.cern.ch/mlm/talks/Mangano-Bern.pdf
MANIFESTATIONS OF MANIFESTATIONS OF SUSYSUSY
JETS + TMEJETS + TMESQUARKS/GLUINOSSQUARKS/GLUINOS
EQUAL SIGN DILEPTONS + TMEEQUAL SIGN DILEPTONS + TMEGLUINOSGLUINOS
t tt t + TME + TMESTOPSTOP
PHOTONS + TMEPHOTONS + TME SUSY BREAKINGSUSY BREAKING
SUPERSYMMETRYSUPERSYMMETRY
STABILIZING THE HIGGS MASSSTABILIZING THE HIGGS MASS
ENABLING UNIFICATION ENABLING UNIFICATION
PROVIDING DARK MATTER CANDIDATEPROVIDING DARK MATTER CANDIDATE
UNIFICATION (3 + 2 + 1)UNIFICATION (3 + 2 + 1)
LSP LSP STABLE AT COSMOLOGICAL SCALES!!!STABLE AT COSMOLOGICAL SCALES!!!
THERMAL HISTORY OF THE UNIVERSETHERMAL HISTORY OF THE UNIVERSE
RELIC DENSITY APPROPRIATE TO PROVIDERELIC DENSITY APPROPRIATE TO PROVIDE
DARK MATTERDARK MATTER
CORRECT ABUNDANCE AND VERY WEAK INTERACTIONCORRECT ABUNDANCE AND VERY WEAK INTERACTION
BLACK HOLE MASSBLACK HOLE MASS
HIERARCHY PROBLEMHIERARCHY PROBLEM
WHY IS 16 ORDERS OF MAGNITUDE HIGHER WHY IS 16 ORDERS OF MAGNITUDE HIGHER
THAN THAN ??
POSSIBLE ANSWER :POSSIBLE ANSWER :
EXTRA DIMENSIONS IN THE UNIVERSEEXTRA DIMENSIONS IN THE UNIVERSE
EXTRA DIMENSIONS UP TOEXTRA DIMENSIONS UP TO
(UP TO WHERE THE BEHAVIOR WAS MEASURED OF GRAVITY(UP TO WHERE THE BEHAVIOR WAS MEASURED OF GRAVITY))
But:But:
FORCESFORCES
ARE SENSITIVE TO THE EXTRA DIMENSIONS!ARE SENSITIVE TO THE EXTRA DIMENSIONS!
ORDINARY MATTER LIVES IN DIMENSIONSORDINARY MATTER LIVES IN DIMENSIONS
WIDTH OF EXTRA DIMENSIONSWIDTH OF EXTRA DIMENSIONS
IN EXTRA DIMENSIONS IN EXTRA DIMENSIONS ONLYONLY GRAVITY GRAVITY (BULK)(BULK)
EFFECTIVE SCALE FROM A FUNDAMENTALEFFECTIVE SCALE FROM A FUNDAMENTAL
IN LARGER DIMENSIONSIN LARGER DIMENSIONS
IF IS LARGEIF IS LARGE
((PLANCK MASS IN PLANCK MASS IN ))
IFIF CONTACT BETWEEN GRAVITYCONTACT BETWEEN GRAVITYAND PARTICLE SCALES !AND PARTICLE SCALES !
SPECTACULARSPECTACULAR
BLACK HOLE PRODUCTIONBLACK HOLE PRODUCTION
BASIC IDEABASIC IDEA
IFIF
PARTICLE COLLISIONS CAN PRODUCEPARTICLE COLLISIONS CAN PRODUCE
BUTBUT
SCENARIOS WITHSCENARIOS WITH
GRAVITATION ATGRAVITATION AT
LARGE EXTRA DIMENSIONSLARGE EXTRA DIMENSIONS
LARGE WARPINGLARGE WARPING
METRIC IN D-DIMENSIONS (WARPED)METRIC IN D-DIMENSIONS (WARPED)
EXTRA COORDINATESEXTRA COORDINATES WARP FACTORWARP FACTOR
WARPED VOLUME (WV)WARPED VOLUME (WV)
WV LARGEWV LARGE
DILUTION OF FIELD LINES IN THE EXTRA DIMENSIONS DILUTION OF FIELD LINES IN THE EXTRA DIMENSIONS
SCENARIO WITH BRANES NECESSARYSCENARIO WITH BRANES NECESSARY
(BEHAVIOR OF GAUGE FORCES)(BEHAVIOR OF GAUGE FORCES)
PRODUCTION AND DECAY OF BLACK HOLESPRODUCTION AND DECAY OF BLACK HOLES
(PRODUCTION PROLIFIC AND WITH SIGNATURES)(PRODUCTION PROLIFIC AND WITH SIGNATURES)
CLASSICAL GRAVITYCLASSICAL GRAVITY
BLACK HOLE FORMATION IF IMPACT PARAMETERBLACK HOLE FORMATION IF IMPACT PARAMETER
(SCHWARZSCHILD RADIUS)(SCHWARZSCHILD RADIUS)
PARTONIC LEVEL
CONVOLUTION WITH STRUCTURE FUNCTIONS
DECAYDECAY(SEVERAL PHASES)(SEVERAL PHASES)
FORMATION ASYMMETRIES MULTIPOLAR MOMENTSFORMATION ASYMMETRIES MULTIPOLAR MOMENTS
STATIONARY BLACK HOLE HAS NOT HAIRSSTATIONARY BLACK HOLE HAS NOT HAIRS
LOOSE THEM LOOSE THEM BALDINGBALDING
EMISION OF RADIATION (GRAVITATIONAL AND GAUGE) EMISION OF RADIATION (GRAVITATIONAL AND GAUGE)
AND EMISION OF CHARGESAND EMISION OF CHARGES
KERR BLACK HOLEKERR BLACK HOLE (WITHOUT ROTATING CHARGE) (WITHOUT ROTATING CHARGE)
LOOSING ANGULAR MOMENTUMLOOSING ANGULAR MOMENTUM
HAWKING RADIATION (THERMAL EMISION)HAWKING RADIATION (THERMAL EMISION)
TEMPERATURE:TEMPERATURE:
QUANTUM GRAVITYQUANTUM GRAVITY
EXPERIMENTAL SIGNALSEXPERIMENTAL SIGNALS
SPHERICITYSPHERICITY
HIGH MULTIPLICITYHIGH MULTIPLICITY
LEPTONS AND JETS WITH HIGHLEPTONS AND JETS WITH HIGH
THERMAL DISTRIBUTION OF SPECIESTHERMAL DISTRIBUTION OF SPECIES
ANGULAR DISTRIBUTIONS SPINDOWNANGULAR DISTRIBUTIONS SPINDOWN
OTHER “EXPERIMENTS” OTHER “EXPERIMENTS”
NUCLEAR PHYSICSNUCLEAR PHYSICS““RIP”RIP”
REQUIESCAT IN PACEM (?)
DATA FROM HUBBLE + CHANDRA + LENSINGDATA FROM HUBBLE + CHANDRA + LENSING BULLET CLUSTERBULLET CLUSTER
COLISSION OF TWO CLUSTERS OF GALAXIES. COLISSION OF TWO CLUSTERS OF GALAXIES. INTERACTING ORDINARY MATTER GENERATED X RAYS. INTERACTING ORDINARY MATTER GENERATED X RAYS. DARK MATTER GOES THROUGH WITH ALMOST NO INTERACTIONDARK MATTER GOES THROUGH WITH ALMOST NO INTERACTIONRED: X RAYS X DETECTED BY CHANDRARED: X RAYS X DETECTED BY CHANDRABLUE: INVISIBLE MASS INVISIBLE DETECTED BY LENSINGBLUE: INVISIBLE MASS INVISIBLE DETECTED BY LENSING
DARK MATTER 25%DARK MATTER 25%DARK ENERGY 70%DARK ENERGY 70%
WE… WE… 5% 5%
IT IS DIFFICULT TO MANTAIN ONESELF IT IS DIFFICULT TO MANTAIN ONESELF ANTHROPICANTHROPIC
WHEN OUR COMPONENTSWHEN OUR COMPONENTSARE ONLY ARE ONLY 5%5% OF THE UNIVERSE… OF THE UNIVERSE…
THE UNIVERSE TODAY “IS” QUITE THE UNIVERSE TODAY “IS” QUITE DIFFERENT FROM THE ONE WE HAVEDIFFERENT FROM THE ONE WE HAVE
10 YEARS AGO !!!10 YEARS AGO !!!
garcia@fisica.unlp.edu.ar
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