Glion Colloquium / June 20091

CERN Long-Term Plan

Accelerating Science and Innovation

R.-D. Heuer, CERN HiLumi Kick-Off, 18 Nov 2011

“Discovery” of Standard Model

through synergy of

hadron - hadron colliders (e.g. Tevatron)

lepton - hadron colliders (HERA)

lepton - lepton colliders (e.g. LEP, SLC)

Past few decades

possible due to • precision measurements • known higher order electroweak corrections

)ln(,)( 2

W

h

W

t

MM

MM

LEP

Test of the SM at the Level of Quantum Fluctuations

indirect determination of the top mass

prediction of the range for the Higgs mass

3

Joachim Mnich | DESY Scientific Council May 16, 2010 | Seite 4

HERA: Impact on PDF

a………………………………………………………………………………...a

Exciting Times

At the energy frontier, the LHC brings usinto unexplored territory:

Excellent progressAccelerator – Experiments – Grid

‘Today’

origin of mass/matter or origin of electroweak symmetry breaking

unification of forces

fundamental symmetry of forces and matter

where is antimatter

unification of quantum physics and general relativity

number of space/time dimensions

what is dark matter

what is dark energy

Key Questions of Particle Physics

For most questions:

new particles should appear

at TeV scale or below

territory of the LHC

Summary of Prospects

SM-Higgs Boson, with a mass between (114 - 600 GeV) will either be

discovered or excluded until

end 2012

SM Higgs Search Prospects (Mass in GeV) ATLAS + CMS

≈ 2 x CMS 95% CL

exclusion3 s

sensitivity 5 s

sensitivity

1 fb-1 120 - 530 135 - 475 152 - 1752 fb-1 114 - 585 120 - 545 140 - 2005 fb-1 114 - 600 114 - 600 128 - 48210 fb-1 114 - 600 114 - 600 117 - 535

8

LHC and the Standard Model

Finding the Higgs: Discovery

Excluding the SM-Higgs: Discovery

Reminder:

LHC is poised to clarify mechanism of electroweak symmetry breaking

Oversimplified Summary of Searches for New Physics

Murayama, ICFA Seminar, 2011 CERN

10

LHC and Theory…

LHC Strategy

Full exploitation of the LHC physics potential

maximize integrated luminosity useful for physics

11

The predictable future: LHC Time-line

~2021/22

2017 or 18

2013/14

2009 Start of LHC

Run 1: 7 TeV centre of mass energy, luminosity ramping up to few 1033 cm-2 s-1, few fb-1 delivered

2030

Phase-II: High-luminosity LHC. New focussing magnets and CRAB cavities for very high luminosity with luminosity levelling

Injector and LHC Phase-I upgrades to go to ultimate luminosity

LHC shut-down to prepare machine for design energy and luminosity

Run 4: Collect data until > 3000 fb-1

Run 3: Ramp up luminosity to 2.2 x design, reaching ~100 fb -1 / year accumulate few hundred fb-1

Run 2: Ramp up luminosity to design (1034 cm-2 s-1), ~50 to 100 fb-1

Key message

‘Tomorrow’

There is a 20 years programme at the energy frontier with the LHC:

7 TeV14 TeV design luminosity14 TeV high luminosity (HL-LHC)

Glion Colloquium / June 2009 14

clear and exciting prospects for the next two decades for the LHC and CERN at the energy frontier

Accelerating Science and Innovation

Glion Colloquium / June 200915

beyond LHC ?

CERN and the energy frontier

Accelerating Science and Innovation

Road beyond Standard Model

At the energy frontier through synergy of

hadron - hadron colliders (LHC, HE-LHC?)

lepton - hadron colliders (LHeC ??)

lepton - lepton colliders (LC (ILC or CLIC) ?)

(μ-collider ???)

Next decades

LHC results crucial for decisions at the energy frontier

HE-LHC – (33 TeV cms)

2-GeV Booster

Linac4

SPS+,1.3 TeV, 2030?

HE-LHC 2030?

July 23, 2011 S. Myers ECFA-EPS, Grenoble 17

CERN working group since April 2010EuCARD AccNet workshop HE-LHC’10 , 14-16 October 2010, Proc. CERN-2011-003key topicsbeam energy 16.5 TeV; 20-T magnetscryogenics: synchrotron-radiation heatradiation damping & emittance controlvacuum system: synchrotron radiationnew injector: energy > 1 TeVparameters

High Energy-LHC (HE-LHC)

0

20

40

60

80

0 20 40 60 80 100 120

y (m

m)

x (mm)

HTS

HTS

HTS

Nb3Sn

Nb3Sn

Nb3Sn

Nb3Sn

Nb-Ti

Nb-Ti

Turns %Nb-Ti 40 28%Nb3Sn 58 41%HTS 45 31%

LHC HE-LHCbeam energy [TeV] 7 16.5dipole field [T] 8.33 20dipole coil aperture [mm] 56 40#bunches 2808 1404IP beta function [m] 0.55 1 (x), 0.43 (y)number of IPs 3 2beam current [A] 0.584 0.328SR power per ring [kW] 3.6 65.7arc SR heat load dW/ds [W/m/ap] 0.21 2.8peak luminosity [1034 cm-2s-1] 1.0 2.0events per crossing 19 76

E. Todesco

hybrid magnet

July 23, 2011 S. Myers ECFA-EPS, Grenoble 18

19

Lepton – Hadron Collider

LHeC

Determining Leptoquark Quantum Numbers

Single production gives access to quantum numbers:- fermion number (below) - spin (decay angular

distributions) - chiral couplings (beam lepton polarisation asymmetry)

LHeC options: RR and LRRR LHeC:new ring in LHC tunnel,with bypassesaround experiments

RR LHeCe-/e+ injector10 GeV,10 min. filling time

LR LHeC:recirculatinglinac withenergy recovery,or straightlinac

Frank Zimmermann, UPHUK4 Bodrum 2010July 23, 2011S. Myers ECFA-EPS, Grenoble 21

22

Lepton – Lepton Colliders

23

Linear Colliders: ILC / CLIC

Both projects are global endeavours

Wide range of Physics Topics, e.g.

Higgs (self) couplings

Z, W, Top studies

new physics

July 23, 2011 S. Myers ECFA-EPS, Grenoble 24

25

High Priority Items for Linear Collider Projects

ILC and CLIC projects LC project

Construction Cost

Power Consumption

Value Engineering

26

Muon Collider

• CLIC conceptual design report by 2012

• Participation in all LC activities

• LHeC conceptual design report 2011/early2012

• R&D for high-field magnets (towards HE-LHC)

• Generic R&D (high-power SPL, Plasma Acc)

27

CERN today….into the future

• Update of the European Strategy for Particle Physics in 2012/13

- Several Meetings with international participation bottom-up process: community input requested - Finalization: May/June 2013 • Started with the ICFA Seminar 3-6 October

2011 at CERN Use as 1st step to harmonize globally Particle Physics Strategy

28

from Choices ? to Choice !

Results from LHC will guide the way

We are NOW in a new exciting era of accelerator planning-design-construction-running

and need intensified efforts on R&D and technical design work

to enable these decisions global collaboration and stability on long time scales

(don‘t forget: first workshop on LHC was 1984)

more coordination and more collaboration required

29

CERN: opening the door…

• Membership for Non-European countries• New Associate Membership defined• Romania in accession to membership• Israel now Associate Member in accession to Membership• Negotiations started with Cyprus, Serbia, Slovenia, and

Turkey concerning membership• Several countries expressed interest in Associate

Membership• CERN participation in global projects

independent of location

In summary

By year 2013, experimental results will be dictating the agenda of the field.

Early discoveries will greatly accelerate the case for the construction of the next facilities (Linear Collider, n-factory, HE-LHC…)

No time to idle: a lot of work has to be done in the meantime

In summary

We will needFlexibilityCoordinationPreparednessVisionary global policies

Thank you!

...and a bit of luck!