Top/HQ/QCD Subgroup

Top Quark, other heavy quarks and QCD

conveners: Roman Pöeschl, Adrián Irles; working group mailing list

Ongoing Analyses for ILC Physics Case

• ssbar at 250GeV (Yuichi Okugawa- PhD,  IJClab, Tohoku Un.)
• bbbar & ccbar at 250GeV  (Adrian Irles  -IFIC, Roman Poeschl & François Richard IJCLab)
• bbbar & ccbar at 500GeV, implementing the use of dEdx information for flavour tagging with standard tools  (Jesús P. Márquez - PhD, Adrian Irles- IFIC)
• qqbar production at NLO in whizard and matching with new Pythia versions (Zhijie Zhao, M. Berggren, J. List - DESY)

Uncovered topics

• ttbar threshold analysis with the newest full simulation
• t->cγ (MPI?)
• QCD e.g. alpha_s  (?)
• single top at 250GeV (Irfu? Paul?)

Analyses for ILD benchmark (IDR)

• Electroweak couplings from tt → 6f (Sohail Amjad, Adrian Irles, Yuichi Okugawa, Roman Pöschl, Ryo Yonamine)
  

List of Journal Publications

• mb at mH: The Running Bottom Quark Mass and the Higgs Boson

  • Phys.Rev.Lett. 128 (2022) 12, 122001 https://arxiv.org/abs/2110.10202
  • Javier Aparisi(Valencia U., IFIC), Juan Fuster(Valencia U., IFIC), André Hoang(PSI, Villigen), Adrián Irles(Valencia U., IFIC), Christopher Lepenik(PSI, Villigen), Germán Rodrigo(Valencia U., IFIC), Michael Spira(PSI, Villigen), Seidai Tairafune(Tohoku U. ), Marcel Vos(Valencia U., IFIC), Hitoshi Yamamoto (Valencia U., IFIC), Ryo Yonamine(Tohoku U.)

• The electro-weak couplings of the top and bottom quarks — Global fit and future prospects

  • 2019,  JHEP 12 (2019) 98,JHEP 01 (2021) 195 (erratum) https://arxiv.org/abs/1907.10619
    

  • Gauthier Durieux(Technion), Adrian Irles (Orsay, LAL ), Víctor Miralles(Valencia U., IFIC ), Ana Peñuelas(Valencia U., IFIC), Roman Pöschl(Orsay, LAL), Martín Perelló(Valencia U., IFIC), Marcel Vos(Valencia U., IFIC)

• Top quark mass measurement in radiative events at electron-positron colliders

  • 2020 Phys.Lett.B 804 (2020) 135353 https://inspirehep.net/literature/1768198

  • Marça Boronat(,Valencia U., IFIC) Esteban Fullana(,Valencia U.) Juan Fuster(Valencia U.), Pablo Gomis(Valencia U. ), André Hoang( Vienna U. ), Vicent Mateu(Salamanca U., IUFFyM and ,Madrid, IFT) Marcel Vos( Valencia U., IFIC ), Angelika Widl(Salamanca U., IUFFyM)

• CP-violating top quark couplings at future linear e+e− colliders, 
  • 2017 Eur.Phys.J.C 78 (2018) 2, 155 https://arxiv.org/abs/1710.06737
    
  • W. Bernreuther, L. Chen, I. García, M. Perelló, R. Poeschl, F. Richard, E. Ros, M. Vos,

• A robust jet reconstruction algorithm for high-energy lepton colliders

  • 2014, Phys.Lett.B 750 (2015) 95-99 https://inspirehep.net/literature/1291037
  • M. Vos et al

List of  Notes / Reports

• Experimental methods and prospects on the measurement of electroweak b and c-quark observables at the ILC operating at 250 GeV

  • 2023, ILD Note https://arxiv.org/abs/2306.11413
  • A. Irles, R. Pöschl, F. Richard
• Complementarity between ILC250 and ILC-GigaZ
  • 2019, (A. Irles, R. Pöschl, F. Richard, H. Yamamoto)  https://arxiv.org/abs/1905.00220
• Measurement of b quark EW couplings at ILC,
  • 2017, S. Bilokin, R. Pöschl, F. Richard, https://arxiv.org/abs/1709.04289

List of conference proceedings

• Experimental prospects for indirect BSM searches in $e^{+}e^{-} \rightarrow q\bar{q}$ ​ ($q=b,c$) processes at Higgs Factories

  • EPS-HEP2023 https://arxiv.org/abs/2310.17617
  • Jesús P. Márquez (IFIC CSIC/UV)

• Experimental prospects for precision observables in $e^{+}e^{-} \rightarrow q\bar{q}$ ​ with $q=b,c$ processes at the ILC operating at 250 and 500 GeV of center of mass

  • LCWS2023 https://arxiv.org/abs/2307.14888
  • Adrian Irles and Jesús P. Márquez (IFIC CSIC/UV)
• Tunning Pythia8 for future  colliders
  • LCWS2023 https://arxiv.org/abs/2307.15537
  • Zhijie Zhao, M. Berggren, J. List  (DESY)

• Quark production in high energy electron positron collisions: from strange to top

  • ICHEP 2022 https://pos.sissa.it/414/871
  • Yuichi Okugawa(U. Paris-Saclay and Tohoku U.), Adrian Irles(IFIC CSIC/UV), Hitoshi Yamamoto(IFIC CSIC/UV), François Richard(IJClab), Roman Pöschl(IJCLab)

• Top-quark mass determination in the optimised threshold scan

  • DIS2021, https://arxiv.org/abs/2107.12647
  • Kacper Nowak(Warsaw U.), Aleksander Filip Zarnecki(Warsaw U.)

• Prospects for the measurement of the $b$-quark mass at the ILC

  • PANIC2021, https://pos.sissa.it/380/382, S. Tairafune et al
    
  • LCWS 2021https://arxiv.org/abs/2104.09924 A. Irles (IFIC) et al

• Production and measurement of e+e−→ccˉ signatures at the 250 GeV ILC

  • LCWS2019 https://arxiv.org/abs/2002.05805
  • Adrian Irles(IIJCLab), François Richard(IJClab), Roman Pöschl (IJCLab)

• Production and electroweak couplings of 3rd generation quarks at the ILC

  • 29th Lepton Photon Conference LP2019 https://pos.sissa.it/367/170

  • Y. Okugawa(Tohoku U.), A. Irles(Orsay, LAL), V. Lohezic(Orsay, IPN),S. Amjad(University Coll. London),R. Yonamine(Tohoku U.),F. Richard(Orsay, LAL), H. Yamamoto (Tohoku U.), R. Pöschl (Orsay, LAL)

• Determination of the electroweak couplings of the 3rd generation of quarks at the ILC

  • EPS-HEP 2019 https://pos.sissa.it/364/624
  • Adrian Irles(LAL), François Richard(LAL), Roman Pöschl (LAL)

• Prospects for improving top-quark mass measurement precision at future e+e−

  • Proceedings, 41th Wilga Symposium on Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments : Wilga, Poland  https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10808/2501488/Prospects-for-improving-top-quark-mass-measurement-precision-at-future/10.1117/12.2501488.short
  • Kacper Nowak(Warsaw U.), Aleksander Filip Zarnecki(Warsaw U.)

• Top physics at CLIC and ILC

  • ICHEP 2016 https://pos.sissa.it/282/666
  • A. F. Zarnecki (Warsaw U.)