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Physics at 13 TeV with the CMS experiment at the LHC

English title Physics at 13 TeV with the CMS experiment at the LHC
Applicant Dissertori Günther
Number 162665
Funding scheme Project funding
Research institution Institut für Teilchen- und Astrophysik ETH Zürich
Institution of higher education ETH Zurich - ETHZ
Main discipline Particle Physics
Start/End 01.10.2015 - 30.09.2017
Approved amount 895'885.00
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Keywords (6)

Supersymmetry; CMS Detector; Electromagnetic Calorimeter; LHC Large Hadron Collider; Studies of the Higgs Boson; Standard Model

Lay Summary (German)

Lead
Im Jahre 2015 hat der LHC Beschleuniger wieder seinen Betrieb aufgenommen. Das Institut für Teilchenphysik der ETH Zürich ist führend involviert im CMS Experiment. Mit dem Neustart der Datennahme wird der Fokus der Forschungsaktivitäten auf der Suche nach supersymmetrischen Teilchen, sowie auf den Studien des Higgs Bosons liegen. Dieses Projekt hat zum Ziel, dass die ETH Gruppe weiterhin eine führende Rolle bei diesen Aktivitäten einnehmen wird.
Lay summary

Im Jahre 2015 hat der LHC Beschleuniger wieder seinen Betrieb aufgenommen, bei einer neuen Rekordenergie. Die ETH Gruppe von Prof. G. Dissertori, welche führend im CMS Experiment involviert ist, war massgeblich an den bisherigen grossen Erfolgen des Experiments, speziell an der Entdeckung des Higgs Bosons, beteiligt. Mit der Wiederaufnahme der Forschungsaktivitäten geht es nun vor allem darum, die Suche nach bisher unentdeckten Teilchen, z.B. sogenannten supersymmetrischen Teilchen, fortzuführen, sowie die Eigenschaften des neu entdeckten Higgs Bosons genauer zu vermessen. Ziel des vorliegenden Projekt ist es, der ETH Gruppe wieder eine führende Rolle bei diesen Aktivitäten zu verschaffen. Ein Schwerpunkt wird die optimale Ausnutzung des elektromagnetischen Kalorimeters sein, u.a. zur genauen Vermessung von Photonen. Ein weiterer Aspekt der Arbeiten besteht in der Entwicklungs- und Forschungsarbeit zu neuen Technologien im Hinblick auf eine mögliche Erneuerung von Komponenten des elektromagnetischen Kalorimeters, vorgesehen für ca. 2023.

Diese Grundlagenforschung erfolgt in einem sehr kompetitiven internationalen Umfeld. Das Projekt ermöglicht den beteiligten Doktorierenden und Postdoktoranden, am weltweit bedeutensten Projekt der Teilchenphysik führende Beiträge zu leisten.

 

Direct link to Lay Summary Last update: 28.09.2015

Responsible applicant and co-applicants

Employees

Publications

Publication
Measurements of properties of the Higgs boson in the diphoton decay channel with the full 2016 data set
CMS Collaboration (2017), Measurements of properties of the Higgs boson in the diphoton decay channel with the full 2016 data set, CERN, Geneva.
Search for high-mass diphoton resonances in proton–proton collisions at 13 TeV and combination with the 8 TeV search
CMS Collaboration (2017), Search for high-mass diphoton resonances in proton–proton collisions at 13 TeV and combination with the 8 TeV search, in Phys. Lett. , 67, 147-170.
Measurement of differential fiducial cross sections for Higgs boson production in the diphoton decay channel in pp collisions at √s = 13 TeV
CMS Collaboration (2017), Measurement of differential fiducial cross sections for Higgs boson production in the diphoton decay channel in pp collisions at √s = 13 TeV, CERN, Geneva.
Search for High-Mass Diphoton Resonances in Proton-Proton Collisions at 13 TeV and Radiation Studies for Calorimetry at the High-Luminosity LHC
Quittnat Milena (2017), Search for High-Mass Diphoton Resonances in Proton-Proton Collisions at 13 TeV and Radiation Studies for Calorimetry at the High-Luminosity LHC, ETH Zurich, Zurich.
LHC Higgs Cross Section Working Group, “Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector”,
P. Musella et al (2017), LHC Higgs Cross Section Working Group, “Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector”,.
Search for new physics with the MT2 variable in all-jets final states produced in pp collisions at sqrt(s) = 13TeV and Design of the electric test of the HDI components of the CMS pixel detector in th
M. Masciovecchio (2016), Search for new physics with the MT2 variable in all-jets final states produced in pp collisions at sqrt(s) = 13TeV and Design of the electric test of the HDI components of the CMS pixel detector in th, ETH Zurich, Zurich.
Energy Resolution and Timing Performance Studies of a W-CeF3 Sampling Calorimeter with a Wavelength-Shifting Fiber Readout
F. Micheli (2016), Energy Resolution and Timing Performance Studies of a W-CeF3 Sampling Calorimeter with a Wavelength-Shifting Fiber Readout, in IEEE Nuclear Science Symposium , 2016 IEEE NSS/MIC, Strasbourg.
Updated measurements of Higgs boson production in the diphoton decay channel at √s= 13 TeV in pp collisions at CMS
CMS Collaboration (2016), Updated measurements of Higgs boson production in the diphoton decay channel at √s= 13 TeV in pp collisions at CMS, CERN, Geneva.
Search for Supersymmetry with Jets and Missing Transverse Momentum in pp Collisions at 13 TeV at CMS
Pandolfi Francesco (2016), Search for Supersymmetry with Jets and Missing Transverse Momentum in pp Collisions at 13 TeV at CMS, in PoS(ICHEP2016)111, ChicagoPoS, PoS(ICHEP2016)111.
Search for resonant production of high-mass photon pairs in proton-proton collisions at √s = 8 and 13 TeV
CMS Collaboration (2016), Search for resonant production of high-mass photon pairs in proton-proton collisions at √s = 8 and 13 TeV, in Phys. Rv. Lett, 117(051802), 1-19.
First results on Higgs to γγ at 13 TeV
CMS Collaboration (2016), First results on Higgs to γγ at 13 TeV.
Search for new physics with the MT2 variable in all-jets final states produced in pp collisions at sqrt(s)=13 TeV
M. Masciovecchio F. Pandolfi M. Schönenberger et al. [CMS Collaboration] (2016), Search for new physics with the MT2 variable in all-jets final states produced in pp collisions at sqrt(s)=13 TeV, in JHEP, 10(2016 006), 1-56.
High-Energy Electron Test Results of a Calorimeter Prototype Based on CeF3 for HL-LHC Applications
F. Micheli (2015), High-Energy Electron Test Results of a Calorimeter Prototype Based on CeF3 for HL-LHC Applications, in IEEE Nuclear Science Symposium (2015, San Diego, USA).
Search for new phenomena with the MT2 variable in the all-hadronic final state produced in proton-proton collisions at sqrt(s)=13 TeV
M. Masciovecchio F. Pandolfi M. Schönenberger et al. [CMS Collaboration], Search for new phenomena with the MT2 variable in the all-hadronic final state produced in proton-proton collisions at sqrt(s)=13 TeV, in EP JC.

Collaboration

Group / person Country
Types of collaboration
National Collaboration Switzerland (Europe)
- in-depth/constructive exchanges on approaches, methods or results
- Publication
International Collaboration of many institutions Switzerland (Europe)
- in-depth/constructive exchanges on approaches, methods or results
- Publication

Scientific events

Active participation

Title Type of contribution Title of article or contribution Date Place Persons involved
Meeting of the CERN Scientific Policy Committee Talk given at a conference CMS Status Report 25.09.2017 CERN, Geneva, Switzerland Dissertori Günther;
Annual Meeting of the Swiss and Austrian Physical Societies Talk given at a conference Physics at the HL-LHC 23.08.2017 Geneva, Switzerland Dissertori Günther;
Joint annual meeting of the Swiss Physical Society and the Austrian Physical Society 2017 Talk given at a conference Combination of Higgs differential observables and limits on Higgs couplings at CMS 23.08.2017 Geneva, Switzerland Klijnsma Thomas;
EPS2017 Conference, Venice (Italy) Talk given at a conference Searches for supersymmetry via strong production in fully hadronic final states at CMS 05.07.2017 Venice, Italy Schönenberger Myriam Angelika;
EPS Conference on High Energy Physics 2017, Talk given at a conference Measurement of the Higgs boson differential and fiducial cross sections at CMS”, EPS Conference on High Energy Physics 2017 05.07.2017 Venice, Italy Tavolaro Vittorio Raoul;
CMS Data Analysis School Talk given at a conference CMS Physics and Outlook 09.01.2017 FNAL, Geneva, United States of America Dissertori Günther;
ICHEP 2016 conference, Chicago (USA) Talk given at a conference Search for Supersymmetry with Jets and Missing Transverse Momentum in pp Collisions at 13 TeV at CMS 03.08.2016 Chicago, United States of America Pandolfi Francesco;
SUSY 2016 conference, Melbourne (Australia) Talk given at a conference Experimental and Collider Aspects of SUSY / 58 // presentation Nr. 58 in the book of abstracts 03.07.2016 Melbourne, Australia Masciovecchio Mario;
Guido Altarelli Memorial Symposium Talk given at a conference From LEP to the LHC 10.06.2016 CERN, Geneva, Switzerland Dissertori Günther;
17th Int. Conf. on Calorimetry in Particle Physics - CALOR2016 (2016, Daegu, Rep. of Korea); Talk given at a conference Performance Studies of a Tungsten-CeF3 Sampling Calorimeter 19.05.2016 Daegu, Korean Republic (South Korea) Schönenberger Myriam Angelika;
PSI Physics Colloquium Individual talk The needle in the haystack or an elephant in the room:Searches for new physics at the LHC 28.04.2016 PSI Villigen, Switzerland Dissertori Günther;
US LHC User Association Annual Meeting Talk given at a conference CMS Run2 Results 11.11.2015 Fermilab, Chicago, United States of America Dissertori Günther;
EDIT 2015 Detector School Talk given at a conference LHC Physics and Detectors 20.10.2015 Frascati, Italy Dissertori Günther;


Communication with the public

Communication Title Media Place Year
Talks/events/exhibitions International Master Classes German-speaking Switzerland 2017
Talks/events/exhibitions International Master Classes German-speaking Switzerland 2016
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Bozen (It), Nov 2016 International 2016
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Gymnasium Bozen (It), Okt 2016 International 2016
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Heidelberg (D), Apr 2016 International 2016
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Innsbruck (A), Jun 2016 International 2016
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Pisa (It), Jan 2016 International 2016
Talks/events/exhibitions Ringvorlesung Volkshochschule Zürich, G.Dissertori German-speaking Switzerland 2016
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Bern (CH), Nov 2015 German-speaking Switzerland 2015
Talks/events/exhibitions Öffentlicher Vortrag von G. Dissertori, Regensburg (D), Nov 2015 International 2015

Awards

Title Year
Fellow of the American Physical Society 2016

Associated projects

Number Title Start Funding scheme
152601 Preparation for and exploitation of the CMS data taking at the next LHC run 01.05.2014 SCOPES
153664 Measurements of Higgs boson properties and Searches for Supersymmetry with CMS 01.04.2014 Project funding
166294 Characterization of the Higgs Boson and Searches for Supersymmetry with CMS 01.04.2016 Project funding
175625 Exploitation and Upgrades of the CMS experiment at the LHC 01.10.2017 Project funding
173602 FLARE 2017-2019: Operation, Computing and Upgrades of the CMS Experiment 01.04.2017 FLARE
160433 FLARE: Maintenance & Operation for the LHC Experiments 2015 01.04.2015 FLARE
154216 FLARE 2014-16: Operation, Computing and Upgrades of the CMS Experiment 01.04.2014 FLARE
141847 Particle Physics with high-quality data from the CERN LHC 01.10.2012 Sinergia
160814 Particle Physics with high-quality data from the CERN LHC 01.10.2015 Sinergia
160434 FLARE - GRID Infrastructure for LHC Experiments 01.04.2015 FLARE
149870 Physics at 13-14 TeV with the CMS experiment at the LHC 01.10.2013 Project funding
149870 Physics at 13-14 TeV with the CMS experiment at the LHC 01.10.2013 Project funding
166922 FLARE 2016-17: Operation, Computing and Upgrades of the CMS Experiment 01.04.2016 FLARE

Abstract

This funding proposal seeks support by the SNF in order to carry out a world-class research programme in the context of the CMS experiment at the Large Hadron Collider (LHC) at CERN, Geneva. The first three years of very successful LHC running at 7 and 8 TeV have shown that CMS in general, and the ETH group within CMS in particular, have taken important roles in this unique quest for Physics beyond the Standard Model and for understanding the mechanism behind electroweak symmetry breaking. In particular, the discovery of a new scalar boson with mass ~125 GeV, consistent with the long-sought Standard Model Higgs boson, represents a major breakthrough for the whole field.The overarching aim of the CMS groups of ETH Zurich, led by Prof. G. Dissertori, Prof. C. Grab, Prof. F. Pauss and Prof. R. Wallny, is to maintain and consolidate the leadership role of the ETH group within CMS on a level commensurate with the important investments made by the Swiss funding agencies into the CMS experiment (Electromagnetic Calorimeter (ECAL), Barrel Pixel Detector, Solenoid, Silicon Strip Tracker). This continuation proposal, under the leadership of the PI G. Dissertori, specifically requests funds to exploit the potential of CMS centred on the ECAL and to complete our R&D program towards future upgrades of the CMS calorimetry system. Starting in late spring 2015, Run 2 of the LHC will be launched, with proton-proton collisions at the unprecedented centre-of-mass energy of 13 TeV. This increased energy, together with the expected high luminosity, gives extremely promising prospects for an early discovery of new physics, and for precise studies of the newly discovered Higgs boson in particular and electroweak symmetry breaking in general. In view of the unique and exciting period ahead of us, this proposal presents a streamlined physics analysis program with clear emphasis on studies of electroweak symmetry breaking using diphoton final states, and on searches for supersymmetric particles. Our proposed research programme builds on our previous developments and recognized expertise in terms of event reconstruction and analysis software. The period of this SNF grant is very well aligned with this important period for high-energy physics, with an interesting first data sample to be collected by the end of 2015, and considerably more data anticipated by the end of 2017. Furthermore, this period coincides with an important phase of the CMS activities towards long-term calorimetry upgrades, to which we intend to contribute in an essential manner in terms of electronic readout developments.The planned research efforts are in excellent synergy, complementarity and close coordination with the other CMS efforts at ETH (groups of R. Wallny and C. Grab), which focus on the optimal Physics exploitation of the CMS Pixel detector and on its upgrades. Close ties also exist to other Swiss CMS groups at PSI and the University of Zurich. The analysis efforts of the PI and the Co-PIs follow a common analysis master plan, sharing the overall responsibilities in order to increase efficiency and exploit synergies between the different groups. It is very important to highlight that the CMS data analysis environment is extremely competitive, with notably very strong and large groups from the US, the UK and Germany, such as MIT, Fermilab, Imperial College and KIT, to mention a few. Given the experience gained over the last years, we will have the necessary know-how to compete with such groups and thus make visible impacts, provided strong support is given by the SNF in terms of funding for Postdocs and PhD students, thus complementing other investments related to detector operations and upgrade efforts.
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