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Image: ATLAS experiment courtesy of Tejinder Virdee
Satellite meeting organised by Professor John Ellis CBE FRS, Professor Tejinder Virdee FRS and Professor David Charlton
Strategies for exploiting the breakthrough in particle physics opened up by the apparent discovery of a Higgs boson at the LHC will be discussed. These will include more detailed studies of the Higgs boson at the LHC itself, in both high-luminosity and high-energy incarnations, and other possible future accelerators such as electron-positron colliders, a gamma-gamma collider and a muon collider.
Biographies of the key contributors are available below and you can also download a programme (PDF) . Recorded audio of the presentations will be available on this page shortly after the event.
This is a residential conference, which allows for increased discussion and networking. It is free to attend, however participants need to cover their accommodation and catering costs if required.
Places are limited, therefore pre-registration is essential. Please either:
Enquiries: Contact the events team
Participants are also encouraged to attend the related scientific discussion meeting which immediately precedes this event.
Professor John Ellis CBE FRS, King’s College London, UK
Biography not yet available
Professor David Charlton, University of Birmingham, UK
Dave Charlton has been the Spokesperson of the ATLAS Collaboration since March 2013. Before that he was Deputy Spokesperson for four years, and previously Physics Coordinator in 2008-9. He has been Professor of Particle Physics at the University of Birmingham since 2005. During ATLAS construction, he worked on two different pieces of the detector: hybrid readout circuits for the silicon strip sensors of the Semiconductor Tracker (SCT) detector; and on the first-level calorimeter trigger system, responsible for selecting one-in-ten-thousand interesting events within a few microseconds of the proton-proton interactions taking place in ATLAS. From 1989 to 2001, he worked on the OPAL experiment at the LEP electron-positron collider at CERN, on data analysis, components of the trigger and data acquisition systems, muon identification, and more. He was OPAL's Physics Coordinator in 1996-7. He was a Royal Society University Research Fellow from 1994 to 2002. Before 1989 he was a PhD student on the UA1 experiment, searching for – and failing to find – the top quark, which was too massive to be detected there.
Professor Tejinder Virdee FRS, Imperial College, UK
Tejinder (Jim) Virdee is Professor of Physics at Imperial College, London. After the UA1 experiment (1990), where W and Z bosons were discovered, Virdee has concentrated on the physics and experimentation at CERN’s Large Hadron Collider. He is one of the founding members of the Compact Muon Solenoid Collaboration (CMS) at the LHC. Virdee has played a major role in all phases of the experiment, from conception and design, through construction to the extraction of science that have already lasted around 25 years. He poineered some of the techniques used in its calorimeters crucial for the discovery of a Higgs boson announced by the CMS experiment in July 2012, along with the sister experiment ATLAS. Virdee was the Spokesperson of the CMS Collaboration for three years, from 2007, that included the start of collision data taking, and was its Deputy Spokesperson from 1993 to 2006. Virdee’s current work involves studies of the newly found Higgs boson and the definition of the upgraded CMS detector for very high luminosity LHC running. Amongst the prizes he has won is the 2013 European Physical Society-HEPP prize co-awarded for his “pioneering and outstanding leadership role in the making of the CMS experiment”.
Dr Kostas Nikolopoulos, University of Birmingham, UKAn Overview of ATLAS measurements
Kostas Nikolopoulos is an experimental particle physicist working on the ATLAS experiment at CERN. His research interests lie in electroweak symmetry breaking and the Higgs sector of the Standard Model (SM) of particle physics. He led the ATLAS H→ZZ group between October 2010 and October 2012, in the effort that resulted in the discovery of a SM-like Higgs boson. Currently, he is focusing in the detailed study of the properties of the newly observed particle. In May 2012, he joined the School of Physics and Astronomy at the University of Birmingham as a Birmingham Fellow.
Following the observation of a new boson during the summer of 2012, the ATLAS Collaboration has analysed the complete LHC Run I proton-proton collision dataset of 4.7/fb at the centre-of-mass-energy of 7 TeV and 20.7/fb at 8 TeV. An overview of the most recent results, including both the boson and fermion decay channels will be presented, and the current status of the coupling and spin/CP properties measurements of the Higgs boson will be presented.
Dr Nick Wardle, CERN, SwitzerlandHiggs measurements from CMS
Dr Nicholas Wardle studied high energy physics at Imperial College London and completed his PhD in 2013. After being awarded an STFC STEP grant, he continued research at Imperial College as a Post-doc. He is currently a CERN fellow.
Dr Wardle joined the CMS collaboration at the start of the first run of the LHC in 2010 and was involved in the early measurements of electroweak processes. He joined the Higgs effort early in 2011 as one of the main analysts of the two photon Higgs decay channel and later became involved in Higgs combination efforts and measurements of its properties.
Since the discovery of a new boson in the summer of 2012, the CMS collaboration have focused attention on understanding the nature of this particle and its interactions. The complete Run 1 dataset corresponding to 4.1/fb and 19.7/fb of proton-proton collisions and centre of mass energies 7 and 8 TeV has been analysed.
The talk will provide an overview of the most recent measurements in both bosonic and fermionic decay Higgs decay channels using the full Run 1 dataset.
Dr Jonathan Hays, Queen Mary University of London, UKHiggs Boson Studies at the Tevatron
Dr Hays is currently Lecturer in Particle Physics at Queen Mary University of London. He began his career in particle physics at Imperial College London, in 1996 as a PhD student working on the design and performance of the electromagnetic calorimeter for the CMS experiment, using the diphoton decay of the Higgs as a benchmark process. Upon graduating, he moved out to Chicago to work on the D0 Experiment at the Fermilab Tevatron as a post-doctoral researcher, first for Imperial (2000-2003) and then for Northwestern University (2003-2006). He gained experience on a diverse range of projects from programming for the trigger and data acquisition system to measurements of W and Z boson production. He returned to London to take up a PPARC Advanced Fellowship at Imperial College (2006-2012) working on Higgs searches and the statistical combination of results at the Tevatron and more recently, searching for the Higgs boson in the diphoton channel for the CMS experiment. At Queen Mary since October 2012, he continues his research into the Higgs boson, now on the ATLAS experiment.
Run II at the Tevatron ran until September 2011, colliding protons with anti-protons at a centre of mass energy of 1.96 TeV. The combination of results from the CDF and D0 experiments for searches for a Standard Model Higgs boson using an integrated luminosity of
10fb-1 are presented. These are also interpreted in the context of fermiophobic and 4th generation models. An excess of events in the mass range 115 GeV to 140 GeV is observed consistent with the Higgs signal discovered at the LHC.
Dr Max Baak, CERN, SwitzerlandAfter the Higgs: status and prospects of the electroweak fit of the SM and beyond - with Gfitter
In 2007 Max Baak graduated on the measurement of CKM-angle gamma at the BaBar experiment, working for Nikhef. After this he joined the ATLAS experiment. In 2008 he became CERN fellow, focussing on commission work for ATLAS. In particular, he worked in the ATLAS data quality group, on the use of DQ information in ATLAS analyses.
Since 2011 he has been CERN research staff. He has been actively involved in a number of high-profile inclusive ATLAS susy searches. Since late 2009 he has been an active member of the Gfitter group
Today, all fundamental Standard Model parameters are known and the global electroweak fit is used as a powerful tool to assess the validity of the Standard Model and to constrain scenarios for new physics. We present and discuss the Standard Model predictions of several key observables of the electroweak fit, which are dramatically improved by the knowledge of the Higgs mass. These results are compatible with, and exceed in precision, the direct measurements.
Constraints from the electroweak fit on loop contributions from beyond-SM models are also obtained, through an analysis of the so-called oblique parameters. We discuss the impact of the electroweak fit on Higgs coupling studies and vice versa. Future measurements at the Large Hadron Collider and the International Linear Collider promise to improve the experimental precision of key observables used in the fit. We present the prospects of the global electroweak fit in view of these improvements.
Dr Sasha Nikitenko, Imperial College, UKSUSY Higgs bosons
Dr Sasha Nikitenko was born in Moscow, Russia. He graduated Moscow Engineering Physical Institute in 1983 and started to work in ITEP (Institute of Theortical and Experimental Physics) in Moscow, where he made hisPhD in 1992 based on analysis of the rare kaon decays with 180 liter xenon bubble chamber.
He joined CMS collaboration in 1992 with ITEP group and participated in the work of Physics, Electron/Photon, Calorimeter Trigger and Tau groups of CMS.
During 2002-2007 he was convener of the CMS Higgs group; convener of H2tau sub-group in 2008-2010 and since 2013 he is convener of Higgs-Exotics sub-group of CMS.
During LHC data taking 2010-2013 he has participated in the searches for SUSY Higgs bosons:
H->2tau, charged Higgs->tan nu and Higgs decays into Dark Matter Particles.
During his life in CMS he has been employed by LIP, Lisbon (1995-1996), CERN as project associate (1996-1998), Saclay DAPNIA/SPP (1998-1999), HIP, Helsinki (1999-2000), CERN as Scientific Associate (2000-2001).
Since 2001 he has been Research Associate in Imperial College, UK.
Several Higgs bosons with masses smaller or larger that 125 GeV are predicted in the best-motivated extension of the Standard Model - supersimmetry (SUSY). I will talk about searches for SUSY Higgs bosons at LHC experiments, ATLAS and CMS with data accumulated during 2010-2013 runs at 7 and 8 TeV and about prospects for the future runs with increased center of mass energy, 13-14 TeV.
I will also talk about searches for the non-standard model decays of the discovered Higgs boson with mass 125 GeV, in particular about decays into Dark Matter particles.
Dr Matthew Dolan, SLAC National Accelerator Laboratory, USAAlternative Higgs Scenarios
Matthew Dolan studied Theoretical Physics at Trinity College Dublin and Cambridge University, completing his PhD in 2010 at the Department of Applied Mathematics and Theoretical Physics in Cambridge under the supervision of Ben Allanach on aspects of supersymmetric phenomenology at the LHC. From September 2010 to September 2013 he held a post-doctoral research position at the Institute for Particle Physics Phenomenology at the University of Durham, and since October 2013 has been a research associate at SLAC National Accelerator Laboratory. His work focusses on the interplay between Higgs physics, dark matter and Beyond-the-Standard-Model collider physics.
In this talk I will present and discuss some alternatives to the Standard Model Higgs which are consistent with current LHC measurements. I will distinguish between the two possibliities that the observed Higgs is either a fundamental scalar or a composite state, and emphasise the importance of top partner searches in both of these scenarios. I will also show how a variety of exotic Higgs decays can arise in these models, and briefly discuss search strategies for these.
Professor José R Espinosa, ICREA/IFAE Barcelona, SpainThe stability of the Electroweak Vacuum
Professor Espinosa obtained his PhD (Univ Autónoma de Madrid, Spain, 1994) working on Particle Physics beyond the Standard Model at IEM (CSIC, Madrid) under the supervision of Mariano Quirós. After postdoctoral stays at DESY (Hamburg, Germany), University of Pennsylvania (Philadelphia, USA) and CERN (Geneva, Switzerland), in 1999 he joined IMAFF (CSIC, Madrid) and then IFT-UAM/CSIC (Madrid) with a permanent position. In November of 2008 he joined ICREA as Research Professor to work at IFAE in Barcelona, Spain.
The discovery of the Higgs boson by the LHC in 2012, and especially the determination of its mass around 126 GeV, together with the absence of any trace of new physics, make it conceivable that we live in a metastable electroweak vacuum. This vacuum turns out to be extremely long-lived as that particular mass value means we live quite close to the stability boundary. I will describe the state-of-the-art calculation that leads to this intriguing conclusion and elaborate on possible implications as well as a simple cure of this instability of the Higgs potential.
Dr Giovanni Petrucciani, CERN, SwitzerlandHiggs coupling results from ATLAS and CMS
Born in Genova in 1982, Giovanni studied in Pisa, and eventually came to Geneva, where he lives and works since 2008.He graduated and completed his PhD in physics at Scuola Normale Superiore Pisa, and after a post-doc with University of California San Diego, he is now CERN & Marie Curie Fellow.
Interested in particle physics since his bachelor thesis, Giovanni joined the CMS Collaboration in 2006. He has been active in the searches for the Higgs boson since the start of the LHC run, and has lead the efforts of combining all the Higgs boson searches up to the discovery in July 2012, and of measuring the properties of the boson since then.
The combined results from searches for the Higgs boson separately for ATLAS and CMS will be presented, focusing on how the couplings of the boson can be tested from the measurements in many complementary final states. The compatibility of the data with the predictions for the standard model Higgs boson will be assessed in the context of benchmark models probing different patterns of deviations in the couplings expected from new physics scenarios.
The combination of the measurements of the Higgs boson mass and of the exclusions for different boson spin and parity hypotheses will also be briefly discussed.
Dr Veronica Sanz, University of Sussex, UKHigher-dimensional operators
Originally from Valencia, Spain, Dr Sanz was a Fulbright fellow and Research Scholar at Harvard, and a Marie Curie fellow at Yale. She has been awarded the Large Hadron Collider-Theory initiative prize for her work on LHC physics, and was a CERN associate. She recently moved from her associate professor position at York University (Canada) to join the University of Sussex.
The approach to discover new physics could be the detailed study of effects in the Higgs couplings. Indeed, new physics could show up as higher-dimensional operators which exhibit interesting kinematic properties, besides modifying the total rates. More data and a better theoretical understanding of the Standard Model is required to perform these studies, and in this talk we will discuss the road-map to perform to a consistent treatment of these effects.
Dr Sven Heinemeyer, IFCA (CSIC, Santander), SpainThe LHC Higgs cross section working group: predictions for the Higgs discovery and precision measurements
S H obtained his degree in Karlsruhe, Germany. Following postdoc positions at DESY (Hamburg), Brookhaven Natl. Lab. (USA), Ludwig Maximilians University Munich and CERN he moved to Spain with a Ramon y Cajal fellowship. From 2007 on he is permanent research staff at the Spanish Research Council (CSIC) in Santander, Spain.
He is an expert on the theory of Higgs boson physics at the LHC and future colliders. His main field are precision predictions within the Standard Model and its mimimal supersymmetric extension.
Currently he is leading the "LHC Higgs Cross Section Working Group" at CERN as well as of the Spanish LHC network.
The search for the Higgs boson at the LHC, its discovery and subsequent precision measurements require theory predictions at the highest possible level of accuracy. The LHC Higgs Cross Section Working Group (LHCHXSWG) was created to provide and facilitate theory predictions for Higgs boson production cross sections and branching ratios at the LHC to the ATLAS and CMS collaborations. The group also provides recommendations for extraction and measurement of Higgs boson quantities such as spin, CP quantum numbers and Higgs boson couplings. The predictions and recommendations of the LHCHXSWG are reviewed.
Dr Sinead Farrington, CERN, SwitzerlandFuture experimental measurements from LHC Run 2 to HL-LHC
Dr Sinead Farrington is an Associate Professor leading the ATLAS group at the University of Warwick. Her research focuses on the decay of the Higgs boson into tau leptons and she is currently the co-convenor of the group analysing the Higgs to tau tau decay at ATLAS. She previously carried out research in B physics, understanding rare decays of B mesons.
The LHC will reach a record-breaking centre of mass energy of 13 or 14 TeV during 2015. This will extend the capability of the LHC experiments to move from a discovery to a precision era in Higgs Physics. This will allow the Higgs couplings and spin and CP quantities to be measured with a precision that will further test the Standard Model. Looking ahead several more years from now, the LHC and its experiments aim to undergo further upgrades which would provide very high rates of collisions (so-called High Luminosity LHC) which opens the possibility of measurements of the Higgs self-coupling and di-Higgs production. This talk will anticipate these upgraded phases and the physics precision that they will yield, discussing projected expectations of experimental reach.
Professor Nigel Glover FRS, Durham University, UKPrecision calculations for the LHC
Professor Glover's interest in high energy particle physics dates from approximately 1020 am on the 17th November 1981 during a 3rd year lecture at Cambridge when Richard Ansorge explained that all matter was made of quarks and leptons. Shortly thereafter he began work on a PhD under the enthusiastic direction of Professor Alan Martin FRS at Durham.The main goals were (and still are) to study the fundamental forces and particles of nature using information gained in high energy particle physics experiments. His PhD thesis was titled Studies in high energy proton-antiproton collisions. This research has taken him back to Cambridge (185-87) and to the major international accelerator laboratories at CERN, Geneva (1987-89) and Fermilab, Batavia (1989-91). In 1991 he returned to Durham. He was promoted to Reader in 1996 and to Professor in 2002 and has since held a PPARC Senior Fellowship (2003-6) and a Wolfson Research Merit Award (2008-13). He was Director of the Institute for Particle Physics Phenomenology (2005-10) and elected as a Fellow of the Royal Society in 2013.
I review recent progress and developments in precision calculations for benchmark and multiparticle processes at the Large Hadron Collider. Particular attention will be given to perturbative QCD calculations at next-to-leading order, next-to-next-to-leading order and beyond.
Dr James Ferrando, University of Glasgow, UKProspects for measurements of Higgs boson pair production and the HHH self-coupling
Dr James Ferrando studied Physics at the University of Oxford obtaining his D Phil in Experimental Particle Physics in 2004. He has held post-doctoral posts at the University of Glasgow and University of Oxford as a member of the ZEUS and ATLAS collaborations.
His main research interests are in top quark physics, physics with boosted heavy objects, and searches for new physics at the LHC. He played an important role in the first ATLAS measurements of the top-pair production cross section, convened the ATLAS subgroups dedicated to searches for new physics in di-boson and top quark final states from 2011-2012, and leads searches for new physics at ATLAS using boosted top-quarks. He is currently a research fellow at the University of Glasgow, having joined in March 2011.
In this talk, prospects for measurements of Higgs boson pair production at the LHC and future colliders will be reviewed. Particular attention will be paid to the sensitivity of such measurements to the Higgs self-coupling. Measuring the Higgs self-coupling is important to establish the Higgs mechanism as being responsible for electroweak symmetry breaking.
Dr Chiara Mariotti , INFN Torino, Italy Vector Boson scattering
Chiara Mariotti graduated in 1987 with a master thesis in Elementary Particle Physics at the E760 experiment at the Fermi Laboratory. The subject of the PhD thesis was the measurement the gluon structure function via J/psi production in deep inelastic muon scattering at the NMC experiment at CERN. She then joined the DELPHI experiment at LEP. First she measured with high precision some of the parameters of the Standard Model (of particular importance the partial width of the Z into b quarks); later, during the LEP2 phase, she started the adventure of the search of the Higgs boson.
In DELPHI she coordinated two physics groups and she later became the physics coordinator of the experiment. Since 2000 she has been working in the CMS experiment at LHC, where she participated in the construction of the muon detector and she continued the search of the Higgs boson. In CMS she has been responsible of the Higgs Physic Group, and she founded and coordinated the LHC Higgs Cross Section Working Group: a collaboration between theoretical and experimental physicists for precision Higgs physics at LHC. Many students in the Torino University graduated and got the PhD with her.
Boson-boson scattering holds the key to electroweak symmetry breaking. The identity of the Higgs boson comes from its role in the unitarization of the longitudinal boson scattering. Thus this measurement is necessary as a closure test of the Standard Model theory, and to determine the nature of the Higgs boson discovered at LHC.
The measurement of the vector boson scattering at LHC is very challenging, due to the presence of many other subprocesses that contribute to the 6-fermion final state, and because of the difficult experimental environment created by the expected very high pileup.
Recent studies will be reviewed and prospect for the measurements in the future runs will be presented.
Dr Christoph Englert, University of Glasgow, UKIdeas for other Higgs measurements
Dr Christoph Englert studied Physics at the University of Karlsruhe, Germany and at ETH Zurich, Switzerland. He obtained his PhD from the Karlsruhe Insitute of Technology in April 2010, working at the Institute for Theoretical Physics. He held postdoctoral positions at the Institute for Theoretical Physics at the University of Heidelberg, Germany (July 2010 - September 2011), and at the Institute for Particle Physics Phenomenology at Durham University (October 2011 - June 2013). In July 2013 he joined the Theoretical Particle Physics Group at the University of Glasgow as a lecturer. His work mainly focuses on physics beyond the Standard Model with an emphasis on Higgs and top quark phenomenology, as well as on radiative corrections and Monte Carlo event generation.
In this talk I will review proposals to measure non-standard Higgs properties related exotic decays and non-doublet gauge representations that would also manifest in non-SM contributions to longitudinal gauge boson scattering unitarisation. I will discuss examples of how to improve and complement current measurement strategies through exploiting new analysis techniques and BSM interference effects in Standard Model Higgs production processes. The described programme not only provides an opportunity to phenomenologically gain insights into the mechanism of electroweak symmetry breaking itself, but also allows to establish a "no-hide" theorem for natural extensions of the Standard Model through precision analyses at a future lepton collider.
Professor Philip P Allport, University of Liverpool, UKHL-LHC status and detector upgrades
At Liverpool Phil Allport works on the ATLAS Experiment at CERN’s Large Hadron Collider and in the RD50 collaboration. Before that he worked on the DELPHI experiment at the CERN’s LEP collider, looking for indications of Super-Symmetric particles being produced in what are still the highest energy electron-positron collisions achieved to date. He also worked at Cambridge on the OPAL experiment at LEP, both at the Cavendish Laboratory and as research fellow at St Edmund’s college. His DPhil from Oxford was on high energy neutrino interactions and his first degree was from Imperial College, London. Prior to that, he worked on non-destructive testing at the UK Atomic Energy Authority laboratories in Harwell.
Phil Allport is director of the Liverpool Semiconductor Detector Centre (LSDC) and was a founder member in 2001 of CERN research and development collaboration RD50, which looks to enhance radiation hardness of silicon based tracking detectors. In 2003, he initiated the study of radiation-hard sensors which can provide a cost-effective technology for the high radiation environments anticipated at the High Luminosity LHC, presenting, with Liverpool colleagues, the first results on detectors irradiated at CERN to the extreme doses required.
He was a founder member of ATLAS in 1992 and from 1994 was Sensor Research and Development Coordinator in the ATLAS Silicon Tracker Steering Group. He led prototyping of the first forward silicon sensors for the ATLAS tracker and became Strip Tracker Forward Module Convenor from 2003 to 2007 coordinating the construction of 2,300 modules in 14 institutes from 8 countries for the ATLAS “SCT EndCaps” (with array assembly in the LSDC). He has been on the ATLAS Upgrade Project Office from 2006 and the Upgrade Steering Group from 2009 becoming Chair in 2011 when he was elected ATLAS Upgrade Coordinator by a vote of the 174 institutes of the ATLAS Collaboration on 4th March 2011. He was re-elected to this position on 5th October 2012 and in this capacity is also a member of the ATLAS Executive Board which helps oversee the day-to-day running of the experiment.
Building on the spectacular successes of the LHC, the High-Luminosity LHC reflects planning to considerably extend the physics reach over that of the initially proposed LHC programme. The planned factor of 10 increase in accumulated data will bring: significantly improved precision measurements of the properties of the newly discovered Higgs boson, enhanced studies of rare processes including reaching sensitivity to key low rate decays of the Higgs, extended searches for physics beyond the Standard Model at the world’s highest energy facility and a broad programme of high precision measurements on the decays and properties of Standard Model particles. If further new particles are found when the LHC reaches its design energy, their masses will be such that the HL-LHC will also be needed to properly determine their properties. There is also scope for a rich programme of heavy ion collision physics with much increased statistics. The potential of this programme is recognised in the European Strategy for Particle Physics, published earlier this year (https://cds.cern.ch/record/1551933/files/Strategy_Report_LR.pdf?version=1) and adopted at the special European Strategy Session of CERN Council in Brussels on 30th May 2013. In that document, the priorities are set for European particle physics taking account of the Higgs boson discovery at the LHC in 2012 and of the global frontier energy research landscape. This contains a key message for the HL-LHC programme: “Europe’s top priority should be the exploitation of the full potential of the LHC, including the high-luminosity upgrade of the machine and detectors with a view to collecting ten times more data than in the initial design, by around 2030. This upgrade programme will also provide further exciting opportunities for the study of flavour physics and the quark-gluon plasma.”
In this presentation, some of the key physics benefits of this programme are discussed, along with the status of the work towards realising the HL-LHC and meeting the severe challenges posed by the very high collision rates required to achieve the desired integrated luminosity.
Dr Mark Thomson, University of Cambridge, UKHiggs physics at a future linear collider
Mark Thomson is professor of experimental particle physics at the University of Cambridge. Before moving to Cambridge in 2000, he worked for CERN and played leading roles in measurements of the properties of the W and Z boson from the OPAL experiment at LEP. His main research interests are electroweak physics, higgs physics and neutrino physics. Over the past ten years he has played leading a number of roles in the development of the physics cases and the design of the detectors and for the ILC and CLIC linear colliders. He currently chairs the STFC peer review panel for astrophysics, particle physics and nuclear physics. In addition, he is an experience lecturer and is the author of a major new undergraduate textbook on particle physics "Modern Particle Physics", published by Cambridge University press in 2013.
The International Linear Collider (ILC) is one of the main options for the next generation particle collider, possibly to be hosted in Japan. It will operate in the energy range 250-500 GeV, with the possibility of an upgrade to 1 TeV. The clean environment of a lepton collider will allow precise measurements of the properties of the Higgs boson. In this presentation, I will discuss the prospects for precise Higgs boson measurements at the ILC and how these measurements provide model-independent determinations of its couplings to fermions and gauge bosons with the precision of order 1 %. I will also discuss Higgs physics at CLIC, which is an option for a post-LHC electron-positron collider operating in the centre-of-mass range 350 GeV - 3 TeV.
Dr Michael Benedikt, CERN, SwitzerlandFuture circular colliders
Book prize event 6 Mar
History of science lecture 7 Mar
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