1. European Strategy for Particle Physics 11/2/12JJG, Europ. Strat. Forum.1

2. Mandate At appropriate intervals, at most every 5 years, the European Strategy Session of Council will re-enact the process aimed at updating the medium and long-term European Strategy for Particle Physics, by setting up a Working Group, the European Strategy Group (ESG), similar to the Strategy Group in 2005/2006. The ESG will be a Working Group of Council which will cease to exist each time Council has adopted the new medium and long-term Strategy. 11/2/12JJG, Europ. Strat. Forum.2

3. Composition The European Strategy Group (ESG) Members Member States AustriaProf. A.H. Hoang BelgiumProf. W. Van Doninck BulgariaProf. L. Litov Czech RepublicProf. J. Chyla DenmarkProf. J.J. Gaardhøje FinlandProf. P. Eerola FranceProf. E. Augé GermanyProf. S. Bethke GreeceProf. P. Rapidis HungaryProf. P. Levai ItalyProf. F. Ferroni NetherlandsProf. S. De Jong NorwayProf. A. Read PolandProf. A. Zalewska PortugalProf. G. Barreira SlovakiaDr L. Sandor SpainProf. F. del Aguila SwedenProf. B. Asman SwitzerlandProf. K. Kirch U.K.Prof. J. Butterworth CERN Director GeneralProf. R. Heuer Major European National Laboratories CIEMATC. Lopez DESYJ. Mnich IRFUPh. Chomaz LALA. Stocchi NIKHEFF. Linde LNFU. Dosselli LNGSL. Votano PSIL. Rivkin STFC-RAL J. Womersley Invitees Candidate for Accession RomaniaDr S. Dita Associate Member in the pre-stage of Membership IsraelProf. E. Rabinovici Observer States IndiaProf. T. Aziz JapanProf. Sh. Asai Russian Fed.Prof. A. Bondar TurkeyProf. Dr M. Zeyrek United StatesProf. M. Shochet EUDr R. Lecbychová ApPECDr S. Katsanevas Chair FALCProf. Y. Osaka Chair ESFRI Dr B. Vierkorn-Rudolph Chair NuPECCProf. A. Bracco JINR, DubnaProf. V. Matveev Scientific AssistantProf. E. Tsesmelis Strategy Secretariat Members Scientific Secretary (Chair)Prof. T. Nakada SPC ChairProf. F. Zwirner ECFA ChairDr M. Krammer Reps. EU Lab. Dir Mtg Dr. Ph. Chomaz The European Strategy Preparatory Group (ESPG) Members Strategy Secretariat Members Prof. T. NakadaScientific Secretary (Chair) Prof. F. ZwirnerSPC Chair Dr M. KrammerECFA Chair Dr Ph. ChomazRepres. EU Lab. Directors SPC Prof. R. Aleksan (FR) Prof. P. Braun-Munzinger (DE) Prof. M. Diemoz (IT) Prof. D. Wark (UK) ECFA Prof. K. Desch (DE) Prof. K. Huitu (FI) Prof. A. P. Zarnecki (PL) Prof. C. De Clercq (BE) CERN Dr P. Jenni ASIA/AMERICAS Prof. Y. Kuno (Asia) Prof. P. McBride (Americas) Prof. E. TsesmelisScientific Assistant 11/2/12JJG, Europ. Strat. Forum.3

4. REMINDER: European Strategy for Particle Physics Current strategy adopted by the Council in July 2006 17 strategy statements: General issues: Necessity of strategy due to globalization, Europe should maintain its central position in PP 8 Scientific activities LHC, Accelerator R&D, ILC, Neutrino, Astroparticle, Flavour, Nuclear physics, Theory 4 Organizational issues CERN Council’s role in coordinating European particle physics Globalization Relation with EU Non-member state relations and role 3 Complementary issues Outreach Technology Transfer Network Relation with industry 11/2/12JJG, Europ. Strat. Forum.4

5. Five working groups 1) Working mode of CERN Council for the European Strategy matters Chaired by M. Spiro 2) Framework for the European participation to a global project and role of national laboratories and CERN Geneva laboratory. Chaired by S. de Jong 3) CERN relation with the European and International bodies such as EU, ESFRI, and others Chaired by B. Åsman 4) Knowledge Transfer and iIndustrial relations Chaired by E. Augè 5) Education, Outreach and Communication Chaired by S. Bethke 11/2/12JJG, Europ. Strat. Forum.5

6. European Strategy for PP Timetable Pre-town meetings within disciplines, before summer 2012 General Town Meeting in Krakow, September 10-12, 2012 Briefing book will be written by the Preparatory Group and Scientific Secretaries of the sessions, summarizing the outputs of the symposium. Briefing book will be the scientific input for the Strategy Group for the drafting of the Strategy. Preparation of Strategy drafting session: CERN 11 december Strategy drafting session by the Strategy Group in January 21-26 2013 in ERICE, Sicily. Strategy on scientific and other issues-> Draft for Strategy statements and deliberation document. Draft strategy will be submitted to the CERN Council for the March 2013 session for discussion. Formal adoption of the strategy in a special Council session in Brussels in May 2013 (22 or 23) (coincides with EU council of ministers competitiveness meeting). Outreach event 1 week later? 1) Strategy statement, 2) deliberation document, 3) brochure 11/2/12JJG, Europ. Strat. Forum.6

7. Krakow Town meeting 10-12 September: 2.5 days of session; Close to 500 participants Plenary speakers summarising the current status and future options, with long discussion sessions, for – High energy frontier – Flavour and symmetries – Strong interactions – Astroparticle physics – Neutrino – Theoretical physics – Accelerator science – Instrumentation, computing, and infrastructure 11/2/12JJG, Europ. Strat. Forum.7

8. Some initial observations/conclusions. Direct-search of new particles at High Energy Frontier and Indirect-search of new physics, i.e. precision measurements at any energy machines to study rare processes looking for a deviation from the Standard Model calculations,are providing fruitful complementary results. But no compelling sign of New Physics so far. Continue pushing at two fronts is essential. Discovery of “Higgs” like boson at LHC opens a new line of indirect-search: precision measurement of “Higgs” properties. Is LHC alone enough or a new facility also needed? Linear or Circular e+e colliders, Circular μ+μ collider γ-γ collider based on circular e storage rings A high energy frontier machine (VLHC etc.) needs more input: from LHC run @ 13~14 TeV e.g. Some of the astropartice projects are addressing particle physics questions: – proton decays,, direct search of dark matter, neutrino-less double beta decays A facility for a long baseline neutrino detector share common interests between astropartice physics and particle physics (both accelerator and non- accelerator based) Major challenges in neutrino physics: mass hierarchy, precision measurement of the mixing parameters (in particular the CP violation phase), sterile neutrinos. European neutrino community presented – CERN SPS long baseline neutrino beam to Finland with a massive liquid Ar detector for the mass hierarchy and mixing parameter measurements ApPEC joint coordination? – CERN SPS short baseline neutrino beam for sterile neutrino search, with exiting detector moving from GSNL to CERN – Neutrino factory for ultimate precision measurements of the mixing parameters for a longer term future. USA vision based on cosmology-astropartice programme and long baseline neutrino programme, followed by physics with multi-MW proton driver. JAPAN community pushes 250-500 GeV linear e+e collider with a hope to start data taking before 2030, and Hyper Kamiokande water Cherenkov (or liquid-Ar in Okinoshima) detector for JPARC neutrino beam with a hope to start construction in ~2018, while SuperKEKB construction is in progress. Upgrade of ALICE and with a plan to run till 2026 is the highest priority of the European Heavy Ion community. 11/2/12JJG, Europ. Strat. Forum.8