Photon Linear Linear Collider Collider - - Photon or the the - - PowerPoint PPT Presentation

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Photon Linear Linear Collider Collider - - Photon or the the fusion fusion of of light light or Florence, , September September 2007 2007 Florence General overview overview General LHC- -ILC ILC- -PLC PLC synergy synergy LHC

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SLIDE 1

Photon Photon Linear Linear Collider Collider -

  • r
  • r the

the fusion fusion of

  • f light

light

Florence Florence, , September September 2007 2007 General General overview

  • verview

LHC LHC-

  • ILC

ILC-

  • PLC

PLC synergy synergy Outlook Outlook Maria Maria Krawczyk Krawczyk University University of

  • f Warsaw

Warsaw

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SLIDE 2

LCWS 2007 LCWS 2007 – – DESY, 30.05 DESY, 30.05-

  • 4.06

4.06

PLC2000 PLC2000 PLC2001 PLC2001 PLC2005 PLC2005 LCWS2007 LCWS2007– –DESY DESY PHOTON2007 PHOTON2007-

  • Paris

Paris

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SLIDE 3

Backward Backward Compton Compton Scattering Scattering-

  • basic

basic idea idea of

  • f the

the photon photon collider collider Ginzburg Ginzburg, , Telnov Telnov ’85 ’85

  • PLC

PLC -

  • γ

γ γ γ and and e e γ γ options

  • ptions
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SLIDE 4

The The Photon Photon Collider Collider – – main main characteristics characteristics

  • Variable

Variable energy energy and and degree degree of

  • f polarization

polarization of

  • f the

the photon photon beams beams – – both both circular circular and and linear linear – – however however ( (almost almost) ) monochromatic monochromatic spectrum spectrum possible possible (a (a high high energy energy peak peak) )

  • Clean

Clean or

  • r dirty

dirty collider collider? ? Hadronic Hadronic interaction interaction of

  • f photon

photon …… ……

PLC PLC at at ILC ILC

  • For ILC

For ILC with with energy energy 500 500-

  • 1000

1000 GeV GeV: :

  • Characteristic

Characteristic energy energy up up to 0.8 to 0.8 E_ee E_ee (0.9 for ) (0.9 for )

  • Luminosity

Luminosity 0.2 0.2 L_ee L_ee Annual Annual luminosity luminosity 100 fb_1 (30 fb 100 fb_1 (30 fb-

  • 1

1 in in the the peak peak) )

  • Mean

Mean energy energy spread spread in in a a peak peak: 0.05 : 0.05-

  • 0.07

0.07

  • Mean

Mean helicity helicity at at the the peak peak: 0.9 : 0.9-

  • 0.95

0.95

  • Important

Important parameter parameter x: x: energy energy of

  • f e

e

x=4.5 to x=4.5 to avoid avoid pair pair production production

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SLIDE 5

Spectra Spectra – – dependence dependence on

  • n

polarization polarization of

  • f e

e P Pe

e and

and laser P laser PL

L

Ideal Ideal spectrum spectrum = = the the lowest lowest order QED

  • rder QED

Non Non-

  • linear

linear QED QED processes processes -

  • >

> realistic realistic spectrum spectrum for a for a single single photon photon beam beam and and for a for a γ γ γ γ or

  • r e

e γ γ system system

2 λγ

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SLIDE 6

Realistic Realistic γ γ γ γ spectra spectra -

  • For

For J Jz

z = 0, 2

= 0, 2

  • Here

Here peak peak for for

  • M=120

M=120 GeV GeV CompAZ CompAZ parametrizaton parametrizaton ( (A.F.Żarnecki A.F.Żarnecki) )

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SLIDE 7

Circular Circular and and linear linear photon photon polarization polarization at at PLC PLC

e e unpolarized unpolarized, , P PL

L=1

=1 Higgs Higgs production production σ σ( (γ γ γ γ -

  • >h)

>h) ∼ ∼ 1+ 1+λ λ1

1 λ

λ2

2

J Jz

z=0

=0 Main Main background background σ(γ γ -> b b) ∼ 1-λ1 λ2 Jz=2 Higgs Higgs production production σ σ( (γ γ γ γ -

  • >h)

>h) ∼ ∼ 1 1 ± ± l l1

1 l

l2

2

CP CP even even and and CP CP odd

  • dd
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SLIDE 8

PLC: PLC: Photon Photon Linear Linear Collider Collider γ γ γ γ and and e e γ γ

  • Resonance

Resonance production production of

  • f C=+

C=+ states states (eg. (eg. Higgs Higgs) ) Ginzburg

Ginzburg et et al al

  • Higher

Higher mass mass reach reach

Spira Spira, , Zerwas Zerwas

  • Polarised

Polarised beams beams – – CP CP filter filter

Gunion Gunion, , Grzadkowski Grzadkowski, , Godbole Godbole, , Zarnecki Zarnecki

  • H

H γ γ γ γ coupling coupling – – sensitive sensitive to to charged charged particles particles in in theory theory ( (nondecoupling nondecoupling) ) Ginzburg

Ginzburg et al.., et al.., Gunion Gunion.. ..

  • Direct

Direct production production of

  • f charged

charged scalars scalars, , fermions fermions and and vectors vectors – – higher higher cross cross section section

Monig, , Belanger Belanger

  • Pair

Pair production production of

  • f neutral

neutral particles particles (eg. (eg. light light-

  • on
  • n-
  • light

light) via ) via loops loops

Jikia Jikia, , Gounaris Gounaris

  • Study

Study of

  • f hadronic

hadronic interaction interaction of

  • f the

the photon photon

Godbole,Pancheri Godbole,Pancheri; MK ; MK Brodsky Brodsky, , deRoeck,Zerwa deRoeck,Zerwa

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SLIDE 9

, ,γ γ γ γ, e , e γ γ

e+e e+e-

  • γ

γ γ γ e eγ γ WW WW or

  • r W

W ν ν Belanger Belanger et et al al

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SLIDE 10

SUSY SUSY particle particle production production

  • in

in e e γ γ higher higher mass mass reach reach

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SLIDE 11

Hadronic Hadronic cross cross section section

Godbole,Pancheri,deRoeck Godbole,Pancheri,deRoeck

nb nb

  • Large

Large γ γ γ γ → → hadrons hadrons cross cross section section

  • Various

Various study study of

  • f QCD

QCD possible possible

  • Measurements

Measurements of

  • f the

the hadronic hadronic ( (partonic partonic) ) structure structure of

  • f the

the photon photon

  • In e

In e γ γ option

  • ption DIS on a

DIS on a real real photon photon for for the the first first time time possible possible

  • The

The structure structure of

  • f

polarized polarized photon photon

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SLIDE 12

Precise Precise Higgs Physics Higgs Physics at at ILC/PLC ILC/PLC

  • Precise measurements of Higgs

Precise measurements of Higgs production cross section and branching production cross section and branching fractions. fractions.

  • Higgs self coupling measurements

Higgs self coupling measurements

  • Heavy Higgs searches in MSSM.

Heavy Higgs searches in MSSM.

  • CP of the Higgs boson.

CP of the Higgs boson.

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SLIDE 13

Br Br and and relative relative precision precision at at ILC ILC e e+

+e

e-

  • Br for 120

Br for 120 GeV GeV, 500 fb , 500 fb-

  • 1

1

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SLIDE 14

Proof of the mass generation mechanism of elementary particles e+e-

GLC project

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SLIDE 15

Self Self couplings couplings in in γ γ γ γ → → hh hh Belusevic Belusevic, , Jikia Jikia ‘ ‘2004 2004

box box, triangle , triangle with with W,top W,top and and h* h*-

  • >hh

>hh

Cross Cross section section for for mass mass 115 115-

  • 150

150 GeV GeV for J for Jz

z=0, 2

=0, 2 For For mass mass = 120 = 120 GeV GeV, , anomalous anomalous contr

  • contr. |

. |δ δ|=0,1,0.3 |=0,1,0.3

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SLIDE 16

σ σ for for hhh hhh coupling coupling vs vs SM SM

γ γ γ γ e e+

+e

e-

  • δ

δ= =-

  • 1

1 cancels cancels the the SM SM hhh hhh contr contr. .

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SLIDE 17

SM SM Higgs Higgs decaying decaying in in b b b b

slide-18
SLIDE 18

Higgs Higgs coupling coupling to to

Niezurawski Niezurawski et al., et al., Monig Monig, , Rosca Rosca

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SLIDE 19

A.

  • A. Rosca

Rosca, K. , K. Moening Moening: : hep hep-

  • ph

ph/0705.1259 /0705.1259 SM SM Higgs Higgs 120 120 GeV GeV at at PLC PLC

  • Without

Without and and with with

  • verlying
  • verlying events

events

2.1 % 2.1 %

Knowing Knowing it it and and using using Br Br from from e e+

+e

e-

  • >

>

Γ Γ( (h h-

  • >

>γ γ γ γ) ) ∼ ∼ 3 % 3 %

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SLIDE 20

SM SM-

  • like

like h ( h (or

  • r H)

H) in in 2HDM 2HDM all all couplings couplings to to fermions fermions and and gauge gauge bososns bososns as as in in SM SM

Effect Effect due due to H to H+

+ contributions

contributions (600 (600-

  • 800

800 GeV GeV) ) Ginzburg Ginzburg, , Osland Osland, MK , MK -

  • 2001

2001

slide-21
SLIDE 21

Littlest Littlest Higgs Higgs model model

f f – – scale scale of

  • f new

new heavy heavy particle particle; ; Han,Logan,McElrath,Wang Han,Logan,McElrath,Wang 2003 2003

slide-22
SLIDE 22

Beate Beate Heinemann Heinemann at at LCWS2007 LCWS2007

slide-23
SLIDE 23

MSSM Higgs searches/overall discovery MSSM Higgs searches/overall discovery potential (300 fb potential (300 fb-

  • 1

1)

) at at LHC LHC

at least 1 Higgs boson is

  • bservable
  • in some parts >1 Higgs bosons
  • bservable in the whole

parameter space

  • but large area in which only
  • ne Higgs boson h (SM-like)
  • bservable

LHC wedge

Result assuming no HSUSY

Basic question: Could we distinguish SM and MSSM Higgs sector

  • e.g via rate measurements?
slide-24
SLIDE 24
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SLIDE 25

Covering Covering the the LHC LHC wedge wedge

Spira Spira et et al al Niezurawski Niezurawski et et al., al.,-

  • simulation

simulation

slide-26
SLIDE 26
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SLIDE 27

Asner Asner, , Gunion Gunion, , Gronberg Gronberg

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SLIDE 28

S.Y.Choi,J.Kalinowski,J.S.Lee S.Y.Choi,J.Kalinowski,J.S.Lee, M.M. , M.M. Muhlleitner Muhlleitner, , M.Spira,P.M.Zerwas M.Spira,P.M.Zerwas-

  • 0404119

0404119

Determining Determining tan tan β β in in τ τ-

  • τ

τ fusion fusion to Susy to Susy Higgs Higgs Bosons Bosons at at the the PLC PLC

Zerwas Zerwas et et al al

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SLIDE 29

Tau Tau fusion fusion -

  • > tan beta

> tan beta

  • Background

Background included included

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SLIDE 30

Accuracy Accuracy … …

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SLIDE 31

Coupling of Gauge Bosons Coupling of Gauge Bosons

  • Fermion pair production at 500 GeV and the Z pole (GigaZ)
  • Coupling among gauge bosons

anomalous couplings (V_mu nu and dual)

W W γ

slide-32
SLIDE 32

From From P.

  • P. Osland

Osland

slide-33
SLIDE 33

Neutral Neutral Higgs Higgs bosons bosons decaying decaying into into WW/ZZ WW/ZZ pairs pairs with with mass mass above above 200 200 GeV GeV

slide-34
SLIDE 34
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SLIDE 35
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SLIDE 36
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SLIDE 37
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SLIDE 38
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SLIDE 39
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SLIDE 40
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SLIDE 41
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SLIDE 42
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SLIDE 43
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SLIDE 44

Godbole Godbole at at al.

  • al. tt

tt/ /ττ ττ

slide-45
SLIDE 45
slide-46
SLIDE 46
slide-47
SLIDE 47

ZZh ZZh – – CPX ( CPX (mass mass ) ) Henemeyer Henemeyer, , Velasco Velasco 2005 2005

slide-48
SLIDE 48

CP CP-

  • even

even, , CP CP-

  • odd
  • dd states

states in in γ γ γ γ → → t t t t

Asakawa Asakawa, , Hagiwara Hagiwara.. ..

Scalar Scalar ( (dashed dashed) ) Pseudoscalar Pseudoscalar ( (thick thick solid solid) ) Mass Mass – – 400 400 GeV GeV

slide-49
SLIDE 49

Probing Probing the the CP CP-

  • violating

violating Higgs Higgs contribution contribution in in γ γ γ γ → → ff ff; ; Godbole Godbole, , Kraml Kraml, , Rindani Rindani, , Singh Singh – – Phys Phys. . Rev

  • Rev. D (2006)

. D (2006)

  • For f = top,

For f = top, tau tau

  • Using

Using fermion fermion polarization polarization to to construct construct various various asymmetries asymmetries

  • Both

Both for CP for CP conserving conserving and and CP CP violating violating case case

  • Model independent

Model independent analysis analysis and and in in addition addition CPX CPX scenario scenario (MSSM) (MSSM) – – for for light light Higgs Higgs numerical numerical analysis analysis

ff ff democratic democratic CP CP-

  • even

even and and CP CP-

  • odd
  • dd coupling

coupling In In contrast contrast to VV to VV case case – – typically typically A_V A_V dominates dominates

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SLIDE 50

Higgs Higgs physics physics at at PLC PLC

  • Precision

Precision measurements measurements of

  • f light

light H ( H (-

  • >

>bb bb) ) Jikia,Gunion

Jikia,Gunion

  • Distinguishing

Distinguishing SM SM-

  • like

like scenarios scenarios

Ginzburg,Gunion Ginzburg,Gunion

  • Establishing

Establishing CP CP property property of

  • f Higgs

Higgs bosons bosons

Grzadkowski,Godbole,Zerwas,Kalinowski Grzadkowski,Godbole,Zerwas,Kalinowski Heinemeyer Heinemeyer, , Asakawa,Ellis,Pilaftsis,Lee Asakawa,Ellis,Pilaftsis,Lee

  • Covering

Covering LHC LHC wedge wedge

Spira,Muhlleitner Spira,Muhlleitner, , Kramer,Zerwas,Gunion Kramer,Zerwas,Gunion Niezurawski,MK Niezurawski,MK

  • Testing

Testing Higgs Higgs selfinteraction selfinteraction

Kanemura Kanemura, , Okada,Belusevic Okada,Belusevic

  • Determination

Determination of

  • f tan beta

tan beta in in τ τ+

+τ

τ-

  • fusion

fusion

Zerwas,Kalinowski Zerwas,Kalinowski

  • Testing

Testing non non-

  • standard

standard scenarios scenarios

slide-51
SLIDE 51

Signal Signal and and background background

Full Full bakground bakground simulation simulation

slide-52
SLIDE 52

Using Using lum lum process process to to detect detect KK KK graviton graviton in in ADD ADD at at PLC ; PLC ; Zhou,Ma,Han,Zhang Zhou,Ma,Han,Zhang hep hep-

  • ph

ph/07081195 /07081195

  • γ

γ γ γ → → e e+

+e

e-

  • G

Gn

n

For J=2 For J=2 large large cross cross section section Polarization Polarization efficiency efficiency P Pγ

γ=(N

=(N+

+-

  • N

N-

  • )/(.+.)

)/(.+.) Fund.

  • Fund. scale

scale M Ms

s=1.5

=1.5 TeV TeV

slide-53
SLIDE 53
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SLIDE 54

Compton light sources are Compton light sources are developing the laser technology developing the laser technology

  • Resonant cavities are

Resonant cavities are being developed for: being developed for:

– – Polarized positron Polarized positron source source – – Laser wire Laser wire – – Beam diagnostics Beam diagnostics – – Medical and industrial Medical and industrial applications applications – – Photon Photon collider collider Laser development is being pushed by applications inside and outside of HEP

e- beam tube beam Interaction point e- beam

LAL - Orsay KEK - Hiroshima

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SLIDE 55

Other Other PLC related PLC related conferences conferences and workshops and workshops 2007/8 2007/8

  • Photon 2007 Paris in July

Photon 2007 Paris in July

– – Workshop on photon linear Workshop on photon linear colliders colliders and physics of photon and physics of photon-

  • photon

photon collisions collisions

  • Hiroshima workshop on intense laser

Hiroshima workshop on intense laser electron beam interactions, electron beam interactions, Dec 2007 Dec 2007 http:// http://home.hiroshima home.hiroshima-

  • u.ac.jp

u.ac.jp/lei2007/ /lei2007/

  • Posipol

Posipol 2008, Hiroshima in May 2008, Hiroshima in May

– – Laser and resonant cavities for Laser and resonant cavities for photon beam production photon beam production

slide-56
SLIDE 56

Photon Photon Linear Linear Collider Collider