UK Nuclear Physics Status June Alex Murphy NuPECC Oslo 15 June

Transcription

1 UK Nuclear Physics Status June 2018 Alex Murphy NuPECC Oslo 15 June

2 Outline of presenta/on Overview of UK science funding Our place in the bigger picture Science interests Community Impact Conclusion

3 UK Science Funding: The BIG numbers c. 6 B/yr Ø International subscriptions Ø Facilities Ø Core Programmes Ø Astronomy Ø Particle Physics Ø Nuclear Physics Ø Other c. 620 M/yr

4 Financial summary (2016) Source:

5 Financial summary (2016) Nuclear Physics: c m/year (*) 7 years of ~constant funding (no increases for inflation!) * +Some additional funding from other sources Source:

6 A slide from the funding agency Chief Executive

7 UK Community UWS 65 academic/faculty staff Number has been growing with recent new appointments All but 3 (Daresbury) are University funded ~60 research and professional staff supporting the academic staff ~90 PhD students working with the academic staff Approximately 48 are funded by STFC 7

8 UK Nuclear Physics Science Areas: Nuclear Structure and Nuclear Astrophysics Hadronic Physics Nuclear Theory Non-primary science Industrial Nuclear Data Public Engagement & Outreach Applications and Innovation Strategy: Concentrate research on key areas where the community make significant contributions 8

9 Science areas by academic staff Nuclear Structure + Astrophysics Hadronic physics Theory 9

10 Funding: Core vs. Project 2% 25% 73%

11 45 Academics at 8 Institutions (Birmingham, Brighton, Edinburgh, Liverpool, Manchester, STFC Daresbury Laboratory, Surrey, UWS, York) NUCLEAR STRUCTURE & NUCLEAR ASTROPHYSICS The Mystery of Creation to the Limits of Existence 11

12 Nuclear Structure & Nuclear Astrophysics The determination of the structure of nuclear matter at the extremes of stability and angular momentum Driving the development of the understanding of the strong interaction on the nuclear scale and the synthesis of new atomic elements The study of key nuclear reactions important for energy generation and nucleosynthesis in a variety of astrophysical scenarios 12

13 Key Facilities The limits of nuclear existence are defined at the extremes of proton-to-neutron ratio, mass, angular momentum and temperature Radioactive Beam Facilities ISOL probing the precision frontier ISOLDE at CERN, ISAC at TRIUMF SPES at Legnaro (future) Fragmentation probing the Isospin and Mass frontier GSI (Germany), GANIL (France), RIKEN (Japan), NSCL (US), FAIR (future) Stable Beam Facilities GANIL, Jyvaskyla (Finland), Argonne National Laboratory (US) 13

14 Existing Project ISOL-SRS: 5Y project Spectrometer for charged-particle reaction products Helical Orbit Spectrometer utilising granular Si sensors For use with HIE-ISOLDE RIB ESR and CRYRING systems incorporating a modified chamber and detection system into CRYRING. This is now incorporated in Phase 0 of the FAIR project.

15 Future projects and opportunities Near-term Advance charged-particle array Silicon based granular array with a focus on ELI-NP Gamma-beam applications DRACULA Direct Reaction Array for the Core Understanding of Light-nuclei and Astrophysics Silicon based granular array with a focus on FRIB AGATA upgrade Additional gamma detectors and focus on signal decomposition HELIAC (HElmholtz LInear Accelerator) Next-generation superconducting cw linear accelerator for GSI/FAIR 15

16 The Advanced Charged-Particle ELI-NP GBS Compact, segmented (DSSSD) silicon array with digital PSA and low-energy capabilities. Timing: (accepted SOI) Potential coupling to external arrays for coincident γ-ray and neutron detection: ELIGANT-GN and ELIADE Light-ion v.s. electron selectivity through Pulse-Shape Discrimination (rise-time or maximum-current) ACPA@ELI demonstrator installed at ELI-NP (2017) Test experiment at HIγS (2017) for measurement of 7 Li(γ,t)α York, Liverpool, Daresbury Birmingham, West of Scotland, Sheffield H., ELI-NP GBS C.Aa. Diget Alex Murphy NuPECC Oslo 15 June 2018 Clustering and light-ion dynamics, including: 7Li(γ,t)α; 9Be(γ,n)2α; and 12C(γ,3α) for nuclear structure/dynamics and Big Bang Nucleosynthesis Collective phenomena, including Pygmy dipole resonances and the impact of deformation on alpha capture. Fission dynamics and barrier heights, including their impact on: neutron-star r- process; isotope production for nuclear medicine; and selectivity in γ-beam ISOL production. Rise time [ns] Mengoni et al. NIMA 764:241 (2014) Dueñas et al. NIMA 743:44 (2014) Diget, et al.,j. Inst, 6:P02005 (2011)

17 DIGITAL Charged-particle array for reaction studies at fragmentation facilities Direct Reaction Array for the Core Understanding of Light-nuclei and Astrophysics G. Lotay, P.I. (University of Surrey) Plan to utilize unique suite of beams available at MeV/u Si telescopes backed with CsI provide necessary stopping for high-energy light particles and large angular coverage γ s detected in GRETA to provide high-resolution γ Detection 26 Si(d,p) 27 Si MeV/u Particle Detection S800 used to detect recoils and reduce background Inverse (d,p) and ( 6 Li,d) studies for spectroscopic information, as well as unique possibilities of (d, 3 He) and (d,t) Possibility to move to FAIR and GANIL for use with AGATA Recoil Detection

18 Direct investigation of r process reactions and insight into neutron star mergers [e.g. 76 Ni(d,p) 77 Ni as a surrogate for (n,γ) reactions around 78 Ni] Study of proton-rich nuclei involved in the rp process and their influence on X-ray bursts targets of the ESA s ATHENA satellite [e.g. resonance strengths in the 56 Ni(α,p) reaction via 56 Ni( 6 Li,d)] ATHENA Study of the evolution of magic numbers away from stability via single nucleon transfer reactions [e.g. 54 Ca(d,p)] and the 2 nd island of inversion [e.g. 64 Cr(d,p)]

19 Tracking array for gamma spectroscopy High-sensitivity device for nuclear structure studies of exotic nuclei 2010 à 2011 LNL : 5TC 2012 à GSI/FRS 6TC+3 DC 2014 à GANIL/SPIRAL1 15TC 2018 AGATA D.+PRISMA Total Eff Nominal. ~2.6% FRS Total Eff. (β=0.5) ~ 10% Total Eff ~ 8% to 14% AGATA + DIAMANT + NEDA AGATA Phase 1 will operate up to 60 crystals by 2020 (1/3 of final array) Alex Murphy NuPECC Oslo 15 June 2018

20 Future projects and opportunities Mid-term Scintillator tracking array SiPM based highly granular gamma-ray array for ISOL facilities (RIKEN, ISOLDE) Detector upgrades at Jyvaskyla Upgrades to detector systems at the JYFL laboratory Longer term NuSTAR Upgrade EURISOL 20

21 10 Academics at 5 Institutions (Birmingham, Edinburgh, Glasgow, Liverpool, STFC Daresbury Laboratory) HADRONIC PHYSICS The Building Blocks of Matter 21

22 Hadronic Physics The nature of the strong force within hadrons through the characterisation of mesons and baryons, the determination of the quark and gluonic structure of nucleons and the nature of matter an instant after the Big Bang (the Quark Gluon Plasma - QGP) Pion photo- and electron-production tests of chiral effective field theories, to describe the pion exchange ( long range ) part of the nucleon-nucleon interaction ALICE highlights from RUN 1 with UK analysis: Data Strangeness production in small systems (pp and p-pb collisions) Investigating jet shapes to explore the mechanism of jet quenching 22

23 Existing projects JLab Upgrade project: Key elements of a Forward Tagger for CLAS12 in Hall B, and the Super Bigbite Spectrometer (SBS) in Hall A ALICE upgrade Upgrade of the Inner Tracking system and Trigger 23

24 Future projects and opportunities Mid-term High precision electron beam at the upgraded facility at Jlab Exploitation of the upgraded ALICE detector at the LHC Longer term Electron Ion Collider Collide electrons with heavy ions or protons 20 GeV 140 GeV Addresses nucleon structure and high density QCD Highest priority new build in 2015 US LRP Earliest possible physics exploitation >

25 JLab Upgrade Project University of Edinburgh University of Glasgow Alex Murphy NuPECC Oslo 15 June 2018

26 Hadron Structure and Spectroscopy Courtesy D. Ireland Form factors (polarisation) Generalised Parton Distributions Transverse Momentum-dependent Distributions Spin structure of the Nucleon Exotic Mesons Very Strange baryons Photoproduction of charmonium / pentaquark searches Alex Murphy NuPECC Oslo 15 June

27 Jefferson Lab 12 GeV Upgrade New Hall Add 5 cryomodules Upgrade arc magnets and supplies Electronics and Hodoscope for Super Bigbite Spectrometer (Hall A) 20 cryomodules Add arc CHL upgrade Add 5 cryomodules 20 cryomodules Enhanced capabilities in existing Halls Forward Tagger Hodoscope for CLAS12 (Hall B) Alex Murphy NuPECC Oslo 15 June

28 10 Academics at 3 Institutions (Manchester, York, and Surrey) NUCLEAR THEORY 28

29 Theory areas 29

30 Nuclear Theory New Initiative led by Prof. Jacek Dobaczewski. To strengthen the national and international role of the UK theory community. Activities for 2015 to 2018: Training of students on advanced theoretical topics. Three international TALENT summer schools A visitor programme will attract theorists to the UK. Regular bi-annual theory meetings Proposed Theory project Neutrino-nucleus interactions Use modern ab-initio methods and effective field theory. Calculate experimentally-crucial cross-sections with greater precision and sophistication than most currently-used codes. c. 0.5M funding for workforce and 0.4M for computer required. 30

31 Balance of existing programme 9% 2% 6% 8% 2% 73% NP Grants (incl. M&O, theory) NP Theory Grants (York) ISOL-SRS JLAB Upgrade ALICE Upgrade NP Other (SubscripKons ) ¾ Exploitation, ¼ Projects going forward

32 Diversity of exploitation programme Facilities CG support requested in 2017

33 Roadmap for existing projects and future opportunities 33

34 The Nuclear Physics Strategy document Scope and range of Physics Current projects Future projects Other issues 5 10 horizon Last revision April 2016 Minor update in progress 34

35 Alex Murphy NuPECC Oslo 15 June 2018 Bruxelles 27 of November 2017

36 IMPACT The science programme was endorsed in the recent STFC IMPACT report (2016) which ranked our community first in the world by measure of impact and citations. Publications Nuclear Physics Number of Publications! 347! 296! 489! 496! 476! 393! 520! Citations per paper! 6.74! 13! 16! 5.4! 36

37 Nuclear Physics Masterclasses Courtesy Elizabeth Cunningham, STFC Once day events for GCSE or A Level students focussing on the delights of nuclear physics! o o o o o o o Lectures Laboratory experiments Hands on workshops Careers ackvikes Computer sessions Skype chats Tours of facilikes

38 Industrial & Societal engagement Kromek & York Handheld SiPM+ CsI(Tl) gamma-ray detector Canberra & Liverpool/Daresbury Gamma-ray imaging & nuclear decommissioning Christie Hospital & Manchester Nuclear medicine dose calculations Royal Liverpool University Hospital & Liverpool/Daresbury SPECT/CT training & development National Nuclear Laboratory & Glasgow Cosmic muon tomography of radioactive waste

39 Another Review Slides from UK Nuclear Physics Forum, 1 June 2018, Andy Boston

40 Preliminary findings Slides from UK Nuclear Physics Forum, 1 June 2018, Andy Boston

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