John Womersley Welcome Director of Particle Physics, CCLRC International Scoping Study Meeting, RAL April 2006

John Womersley Neutrino Programme in CCLRC MINOS Operate detector and computing Ensure a scientific return for the UK in physics analysis MICE Deliver Phase I and II Demonstrate muon cooling Learn more about mixing angles (govern CP violation) T2K Secure a strong role for the UK in detector and accelerator development and in physics analysis Build up UK neutrino community Explore CP violation Neutrino Factory Build community, create enthusiasm for a neutrino factory See the UK (RAL) as a logical site Technology demonstration

John Womersley MINOS Precision experiment to study ν µ oscillations High intensity ν beam projected through the earth and measured in two large detectors: –1kT near detector at Fermilab –5.4kT far detector 735km downstream, located in the Soudan Mine, Minnesota RAL has made a major contribution to the design and construction of the two detectors and we are actively engaged in operations and analysis. First results submitted March 2006

John Womersley T2K Primary aim –Measure final mixing angle θ 13 ( µ → e ) –CP violation if large Tokai to Super-Kamiokande –50 GeV PS, 0.75MW (Phase I) –Existing SK Detector, off-axis ‘narrow band’ ~ 1 GeV beam Accelerator construction underway –Beam in April 2009 Proposed UK participation –CCLRC, QMUL, IC, Sheffield, Liverpool, Lancaster, Warwick Seedcorn funding Full proposal with PPARC Plan to focus on –Beamline and beam dump Accelerator expertise –Near (280m) detector JPARC neutrino beamline

John Womersley MICE To explore CP violation in the neutrino sector… Muon storage ring as a neutrino factory: –requires storing muons within 2μs –Ionisation cooling of the muon beam –never been tried –MICE is the technology demonstrator An international collaboration of ~150 physicists Phase I (Beamline & detectors) approved Want results by the end of the decade 4T solenoid & tracker 4T solenoid & tracker Liquid hydrogen Accelerating cavities prototypes µ

John Womersley MICE installation starts this year, in R5 next to ISIS RF cavity test at FermilabMICE Hall 2005 Tracker prototype at KEK

John Womersley Statement by Professor Keith Mason, Chief Executive of PPARC and by Professor John Wood, Chief Executive of CCLRC

John Womersley The observation of neutrino oscillations is probably the most important result in particle physics in the last decade. It points to the existence of new particles, new forces, or both. There is an international consensus that detailed measurements of neutrino properties are essential for the underlying theory to be discovered, and there are strong arguments that the best accelerator facility to address these issues is a Neutrino Factory, a high-intensity, high-energy neutrino source based on a muon storage ring. The Neutrino Factory is unique among future facilities for particle physics in that it could be hosted in the UK. CCLRC and PPARC recognise the excellence of the science and strongly support the R&D programme required to establish the full conceptual design for the Neutrino Factory. A cornerstone of the this programme is the MICE experiment which will take place at the Rutherford Appleton Laboratory (RAL). MICE is the first attempt to demonstrate the feasibility of muon-beam cooling and is being constructed by a collaboration of physicists and engineers drawn from Europe, Japan, and the US. In parallel, the international scoping study of a future Neutrino Factory and super-beam facility, launched by CCLRC with the support of PPARC, is laying the foundations for the international design-study phase.

John Womersley (Timescale ~ June 2006) (continued) The UK contributions to the MICE project and the UK Neutrino Factory collaboration’s R&D programme have always been supported jointly by CCLRC and PPARC. The two Councils recognise the strategic importance of the timely development of a full conceptual design of the facility and therefore seek to support: –The implementation of Phase II of MICE and the exploitation of both Phase I and Phase II with the goal of delivering results on cooling by 2009/10; and –The UK Neutrino Factory collaboration’s activity in the context of an International Design Study of the facility with the goal of producing an interim conceptual design report by 2009/10 and a full conceptual design report by 2011/12. To this end, the two Councils are working towards a call for proposals for accelerator R&D programmes. CCLRC and PPARC will continue to work together in strong support of both neutrino physics and accelerator R&D in the UK.

John Womersley CCLRC  PPARC = ?

John Womersley nextsteps.pdf

John Womersley Make no little plans… ISIS ISIS 1MW upgrade ESS-class 5MW spallation source Neutrino factory Future multi-TeV muon collider Harwell Science and Innovation Campus

John Womersley Welcome to RAL I wish you a most productive meeting…