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Gruppo I – Milano Bicocca Consiglio di Sezione – 30 Giugno 2014 S.Malvezzi.

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Presentazione sul tema: "Gruppo I – Milano Bicocca Consiglio di Sezione – 30 Giugno 2014 S.Malvezzi."— Transcript della presentazione:

1 Gruppo I – Milano Bicocca Consiglio di Sezione – 30 Giugno 2014 S.Malvezzi

2 Le attivita’ di Gruppo I di Milano Bicocca – CMS – LHCb si intrecciano con la “schedula” di LHC e del CERN RUN 1 up to 2012 Scoperta del Bosone di Higgs … Nobel…ma non solo, Papers in CDS 2011-today CMS: 320, LHCb: 193 LS Fase di consolidamento dell’acceleratore e degli esperimenti RUN Aumento energia della macchina 13 TeV molta attesa per New non solo Studi di precisione e ricerca di segnali rari LS Upgrade Phase 1 (LHCb & CMS) LS Upgrade Phase 2 (CMS: R&D )

3 Run 2Run 3 Run 4 LS 2 LS 3 LS 4LS 5Run 5 LS2 starting in 2018 (July)=> 18 months + 3 months BC LS3LHC: starting in 2023 =>30 months + 3 months BC Injectors: in 2024=>13 months + 3 months BC LHC schedule beyond LS1 Beam commissioning Technical stop Shutdown Physics Run 2Run 3 Run 4 LS 2 LS 3 LS 4LS 5Run 5 EYETS YETS 300 fb -1 3’000 fb fb -1 To be updated 100 fb -1

4 The past: RUN 1 The luminosity has reached a value of 7.7x10 33 cm -2 s -1, The collision energy has reached 8 TeV in The present: LS1 Superconducting interconnections have been upgraded to avoid electrical faults (19 Sptember 2008) There are 10,000 "splices” superconducting connections between magnets on the LHC. Each splice carries 13,000 amps. An additional piece a "shunt” has been added to each splice. A total of 27,000 shunts have been installed in the 27-kilometre accelerator. The next future: RUN2 Running will resume in 2015 (20 month shutdown) with increased collision energy of 13 TeV and another increase in luminosity Run 2 is currently planned for , 2015 will involve starting up the machine at a new energy and collision rate, and so a lot of time in 2015 will be spent on making the machine work properly and efficiently. Most of the data in the next run will appear in

5 2015: Q1 & Q2 - preliminary One thing we learnt from Run 1 – the schedule is flexible LHC Draft schedule 2015

6 2015: Q3 & Q4 Relaxed beta* Somewhat more challenging beta* Mike Lamont

7 Experiments See 2015 as a commissioning year and an investment – 25 ns very strongly favored – Will accept up to 1 fb 50 ns Target energy by the end of summer 14 – 6.5 TeV is target (and the maximum) – Will only be confirmed at end of powering tests Peak mean pile-up of around 50 “is considered to be acceptable”. Benedetto Gorini Summary of the 2014 Evian workshop Mike Lamont -

8 LS1: Phase1 detector work by region Tracking region: Beampipe -> remove 59.6mm central beampipe/ install 45.0mm.. Yoke and Tracker bulkhead humidity seal revision + new dry gas system (for colder Tracker operation) CO2 system + cabling + demonstrators for 4-layer pixel New PLT + BHM, revised BCM Calorimeters: HF calorimeters PMT --> multi-anode (in garages off crit. path) HO calorimeter HPD --> SiPM HB/HE control module replacement, cable/fibre installation for LS2 Minor revisions and repairs of EB/EE ES removal repair and re-installation (unexpected) Muon detectors: Yoke Endcap disk 4 construction at +z and –z ends in situ. 4’th muon endcap stations +z and –z (CSC & RPC) 1’st endcap muon station readout granularity restoration +z and –z Muon barrel electronics consolidation -move sector collectors to USC55, replace  TRB Prepare for TeV, ~100fb -1 and ~1 x cm -2 s -1, 25ns Installed Tracker OK at -20deg C, Det. dry gas system installed Installed On track to install after pixel PMT’s and cables done All wheels done CCM & most cabling done Done Both ends complete Both ends installed Re-installed, commissioning Complete for all wheels Summary status

9 Dismounting of the Be Beam Pipe preparing for a third section Lighter support structure for the beam pipe Consolidation work on the LHCb Dipole Iron shielding behind the last muon filter to protect from back-splash LS1 Consolidation work

10 10 Run 2 physics program is well-defined  Increase of cross sections from LHC8 to LHC13  Increase discovery potential at LHC  Higgs factory  5.5 M Higgs events produced  100 K events useful for precision measurements o Note: today ATLAS+CMS have 1400 Higgs events  Higgs precision measurement o Mass, J PC, BR, Cross section o Measurements of Higgs couplings to fermions and bosons  W L W L scattering at high E and Higgs self-couplings needs more lumi  Search for SUSY or other BSM solutions  SM measurements necessary to control systematics for above  B-physics “window”  high precision measurements  Investigate possible “deviation” from SM predictions (mainly LHCb) Physics Prospects at RUN 2

11 The Next to Next Future La comunita’ internazionale si interroga: INFN: WHAT”s Next (7-8 Aprile meeting di kick-off …ongoing) CSN1: LTS1 Workshop Maggio La Biodola EUROPA : Strategy Update Maggio 2013 U.S: P5 Report 22 Maggio 2014 GIAPPONE: ILC Japan is proceeding on a bid to host ILC. International negotiation for the next 3-5 (?) years CINA : FCC 100 TeV machine Km circumference Future Circular Collider

12 Workshop on the Long Term Strategy of INFN-CSN1: the next ten year of accelerator-based experiments – The goal of this workshop is the development of a strategic plan for the CSN1 to be executed over the next 10-year timescale, in the context of a 20-year global vision for the field. The plan should identify clear scientific priorities, while taking into account technical readiness and financial feasibility of the potential new activities and infrastructures. The unique aspects of the science achievable with accelerator based experiments relative to other approaches should also be emphasized. – This event is an integral part of the INFN "What's Next" process started with the kick-off meeting held in Rome on April 7-8, 2014.What's Next – Documento (White Paper) in preparazione CSN1 strategy workshop, Elba, Maggio 2014 F. Bedeschi, INFN-Pisa12

13 European Context EU strategy update May 2013 – Europe’s top priority should be the exploitation of the full potential of the LHC, including the high-luminosity upgrade. – CERN should undertake design studies for accelerator projects in a global context, with emphasis on proton-proton and electron-positron high-energy frontier machines. high-field magnets and high-gradient accelerating structures – Europe looks forward to a proposal from Japan to discuss a possible participation. – Experiments in Europe with unique reach should be supported, as well as participation in experiments in other regions of the world. CSN1 strategy workshop, Elba, Maggio 2014 F. Bedeschi, INFN-Pisa13

14 An updated strategic plan for the U.S that can be executed in a ten-year timescale, in the context of a twenty-year global vision for the field. Recommendation 10 : Complete the LHC phase-1 upgrades and continue the strong collaboration in the LHC with the phase-2 (HL-LHC) upgrades of the accelerator and both general-purpose experiments (ATLAS and CMS). The LHC upgrades constitute our highest-priority near-term large project.



17 The charge calls for planning under two specific budget Scenarios, reflecting current fiscal realities, as well as for an additional unconstrained Scenario.

18 INFN Current activities evolution: LHC Large INFN involvement ~ 500 FTE/ 60% of CSN1 budget: – ATLAS/CMS: Phase 1 fully funded and in progress – ATLAS/CMS: Phase 2 R&D funded & starting – ATLAS/CMS: Phase 2 upgrades under discussion Logical continuation for INFN-LHC community Strong physics case Strong international support in Europe, US and Japan Construction: 2018 – 2025, data: – A long way to get to 3000 fb Is it sustainable? – Does TOTEM makes still sense after completion run2... (3)? – LHCb: Upgrade approved by INFN Construction: now – 2019, data: > 2028 ??? – How long can it really last? How far can we push flavor physics at LHC? – Where does the community go? CSN1 strategy workshop, Elba, Maggio 2014 F. Bedeschi, INFN-Pisa18

19 19 CHANGED! Electronic revision: LHCC, 12 March 2013  CHANGED! Geometry and optics to be tuned to reduce occupacy at high luminosity  PLUS TRIGGER UPGRADE !!!!!

20 LHCb upgrade (Phase 1) Cronologia eventi rilevanti CSN1 Approvazione Scientifica del progetto in CSN1: giugno 2013 – ME CSN1 alloca, per 2014, kE s.j all’approvazione CTS : Settembre 2013 Parere di congruita` espresso dal CTS : Dicembre 2013 – CTS believes that the explanations provided by the Collaboration in response to CTS requests have been entirely satisfactory and therefore it recommends the project for the approval. – The only warning the Council gives is that the project is recommended on condition that other major Funding Agencies (CERN, France, Germany, Netherlands, Russia, Switzerland, UK, US) involved in the upgrade, will also agree to finance it. Approvazione CD 29 Gennaio 2014 Review progetto da parte dei referee Marzo 2014 Referee Status Report : 9 Aprile 2014 Programmazione e richiesta sblocchi : Maggio 2014 Panorama Internazionale -> in fieri ….urgenti alcuni pronunciamenti importanti (UK) Sandra Malvezzi20



23 CMS upgrade (Phase 2) INFN garantisce un finanziamento specifico per l' R&D fase2 articolato su 3 anni e fino ad un massimo di 2.2 MEu. La gestione di questi fondi avverrà tramite una sigla dedicata RD_FASE2 che raccoglie tutte le attività presentate e analizzate dai referees. Temporaneamente i finanziamenti associati a RD_FASE2 sono gestiti dai responsabili nazionali di ATLAS e CMS, ma nel corso della riunione di settembre di CSN1 verra' discussa e finalizzata la struttura di responsabilita’ finale. Sandra Malvezzi23

24 In order to further increase its discovery potential beyond 2020, LHC would need an upgrade to increase the total number of collisions by a factor of 10. a number of innovative technologies to be explored  11-13T superconducting magnets,  Compact/ultraprecise superconducting radio-frequency cavities for beam rotation  300-m-long, high-power superconducting links with zero energy dissipation. new demands on vacuum, cryogenics and machine protection, and will require new concepts for collimation and diagnostics, advanced modelling for the intense beam and novel schemes of beam crossing to maximize the physics output of the collisions.

25 Con quali forze la sezione di MiB si prepara? Anagrafica ufficiale sezione 2014 in attesa dei numeri definitivi 2015 Ric. 2014Tec 2014Persone 2014FTE 2014FTE 2015 Preliminare CMS LHCb Totale CMS ,518, LHCb UA9 2.7 SuperB Gli ultimi 5 anni: FTE

26 Gruppo CMS FPIX Pixel Upgrade Commissioning per Run2 Analisi dati Run1 e preparazione Run2

27 Ricercatori/tecnolo gi QualificaGruppo I (FTE) RD_F2(FT E) Servizio Calcolo (FTE) Dinardo MauroRic.Univ0.5 Fiorendi SaraPh.D1.0 Gennai SimoneRic. INFN Malvezzi SandraPrim. Ric. INFN Manzoni RiccardoPh.D1.0 Menasce DarioPrim. Ric. INFN 0.5 Moroni LuigiDir. Ric. INFN 0.5 Pedrini DanieleDir. Ric. INFN 1.0 Paolo Dini Tecn. INFN Totale FTE Gruppo Pixel Milano-Bicocca FTE: (6.1 CMS RD_fase2 ) Piu` laureandi

28 Pixel Upgrade for HL-LHC (aka Phase II) Iniziato gia’ dal 2010 un R&D per la scelta e la qualificazione di un sensore per pixel capace di resistere a dosi dell’ordine di neq/cm 2 – FNAL T992 collaboration (MIB + FNAL + al) “Tests of radiation-hard sensors for the HL-LHC” Diamante poli e monocristallino, Si3D, Si planare e sottile, etc Maggior contributi del gruppo MIB ( Moroni, Menasce,laureandi) – Programmi di ricostruzione tracce e allineamento telescopio – Organizzazione & conduzione programma – Analisi Gia’ pubblicato un lavoro dettagliato sulle prestazioni e limiti del Diamante – “Tracking performance of a single-crystal and a polycrystalline diamond pixel-detector” 2013_JINST_8_P06006,

29 RD_FASE2 Naturale confluire nella sigla RD_fase2 Attivita’ previste: Coordinamento attivita' di test beam & irraggiamento Software & DAQ per testbeam di Fermilab Selezione & caratterizzazione dei campioni da testare su fascio Preparazione dei supporti meccanici e altre infrastrutture per irraggiamento Partecipazione alle campagne di test su fascio Analisi dati Possiamo contare sul nostro laboratorio ed in particolare su una stazione di test con laser e tavolo micrometrico X Y con chuck termoregolabile

30 30 Attivita` Commissioning 2013/2014 Dinardo

31 Il gruppo e` stato impegnato nell’analisi dei dati (2011 & 2012) Analisi H →ττ (SM & MSSM & associated production with a single top) – Manzoni, Gennai, Malvezzi e laureandi – Responsabilita’: – SM H  TauTau nel canale full hadronic – MSSM H  TauTau nel canale full hadronic – ESP/EPR: trigger  POG B c (J/  n  – Fiorendi, Dini, Malvezzi e laureandi – Responsabilita’ : tutto! – ESP/EPR: trigger BPH  PAG e  POG Angular analysis and branching ratio measurement of the decay B 0 → K ∗ 0 μ + μ − – Dinardo – Responsabilita’: tutto! 31 Analisi dati

32 32 H  Pubblicazioni referate: Searches for Higgs bosons in pp collisions at sqrt(S) = 7 and 8 TeV iin tthe context of four-generation and fermiophobic models Phys. Lett. B.725 (2013) 36 Observation of a new boson with mass near 125 GeV in pp collisions at sqrt(S) = 7 and 8 TeV JHEP 1307 (2013) 081 Evidence for the 125 GeV Higgs boson decaying to a pair of tau JHEP 1405 (2014) 104 Evidence for the direct decay of the 125 GeV Higgs boson to fermions Nature Phys. (2014) 10 (dedicated to Lorenzo Foa`) MSSM H->tau tau (full statistics) CDS Record: ( final paper draft) The search for Higgs bosons decaying to tau pairs is important for probing the Yukawa couplings in the case of leptons. Ideal experimental signature for MSSM Higgs

33 B-Physics B 0 → K ∗ 0 μ + μ - is a FCNC decay. Suppressed in the SM ( penguin/box diagrams). Sensitive to new phenomena Angular analysis and branching fraction measurement of the decay B 0 → K ∗ 0 μ + μ - Phys.Lett.B727 (2013) 77 -analysis of 2012 data is in progress B c ±  J/  ± and J/  ±  ±  analysis CDS: ARC Final Reading B c meson is unique: both b and c quark compete with each other in the decay. Theoretical literature is rich The experimental scenario starts being enriched!! Uniche conferme sperimentali a LHCb; Sezioni d’urto e produzioni in regioni di rapidita’ complementari

34 34 All in all per il 2015….. Detector commissioning Proseguire con le responsabilita’ sui pixel Analisi: Portare a termine le analisi on going e pubblicare Estendere le analisi TeV (Bc lifetime) Intensificare gli sforzi verso Searches BSM Upgrade: Partecipare a RD_fase2 Continuare nello studio comparato delle prestazioni dei sensori per upgrade di fase II.

35 Richieste CMSPIX 2015 Missioni Interne – 8.4 FTE  1 k€/FTE = 8.4 k€ Missioni Estere: 94 k€ (25.4 mu x k€ ) – Metabolismo: 8.4 FTE  1 mu/FTE = 8.4 m.u – ESP: 8.0 autori  m.u/autore = 12.0 m.u – Pixel Maintenance&Support 2 m.u. L3 2.0 m.u – Pixel DB e DQM: 2 m.u L3 2.0 m.u – Test beam 1.0 m.u Consumi: 19.6 k€ – Metabolismo: 8.4 FTE  1.5 k€/FTE = 12.6 k€ – Auto 4.0 k€ – Camera pulita 3.0 k€ – Sensori RD_Fase 2 15 k€ Totale k€

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