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28 March 2024
 
  » arxiv » 1905.5078

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Theory report on the 11th FCC-ee workshop
A. Blondel ; J. Gluza ; S. Jadach ; P. Janot ; T. Riemann ; S. Abreu ; J.J. Aguilera-Verdugo ; A.B. Arbuzov ; J. Baglio ; S.D. Bakshi ; S. Banerjee ; C. Bobeth ; C. Bogner ; S. Bondarenko ; S. Borowka ; S. Braß ; C.M. Carloni Calame ; J. Chakrabortty ; M. Chiesa ; M. Chrzaszcz ; D. d'Enterria ; F. Domingo ; J. Dormans ; F. Driencourt-Mangin ; Ya. Dydyshka ; F. Febres Cordero ; J.A. Gracey ; Zhi-Guo He ; G. Heinrich ; S. Heinemeyer ; I. Hönemann ; H. Ita ; S. Jahn ; F. Jegerlehner ; S. P. Jones ; L. Kalinovskaya ; A. Kardos ; M. Kerner ; W. Kilian ; S. Kluth ; B. A. Kniehl ; A. Maier ; P. Maierhöfer ; G. Montagna ; O. Nicrosini ; T. Ohl ; B. Page ; S. Paßehr ; S.K. Patra ; F. Piccinini ; R. Pittau ; W. Placzek ; J. Plenter ; S. Ramírez-Uribe ; J. Reuter ; G. Rodrigo ; V. Rothe ; L. Rumyantsev ; R. Sadykov ; J. Schlenk ; G. F. R. Sborlini ; A. Schweitzer ; C. Schwinn ; M. Skrzypek ; G. Somogyi ; M. Spira ; P. Stienemeier ; R. Szafron ; K. Tempest ; W. J. Torres Bobadilla ; S. Tracz ; Z. Trócsányi ; Z. Tulipánt ; J. Usovitsch ; A. Verbytskyi ; B.F.L. Ward ; Z. Was ; G. Weiglein ; C. Weiland ; S. Weinzierl ; V. Yermolchyk ; S.A. Yost ; J. Zurita ;
Date 13 May 2019
AbstractThe FCC at CERN, a proposed 100-km circular facility with several colliders in succession, culminates with a 100 TeV proton-proton collider. It offers a vast new domain of exploration in particle physics, with orders of magnitude advances in terms of Precision, Sensitivity and Energy. The implementation plan foresees, as a first step, an Electroweak Factory electron-positron collider. This high luminosity facility, operating between 90 and 365 GeV centre-of-mass energy, will study the heavy particles of the Standard Model, Z, W, Higgs, and top with unprecedented accuracy. The Electroweak Factory $e^+e^-$ collider constitutes a real challenge to the theory and to precision calculations, triggering the need for the development of new mathematical methods and software tools. A first workshop in 2018 had focused on the first FCC-ee stage, the Tera-Z, and confronted the theoretical status of precision Standard Model calculations on the Z-boson resonance to the experimental demands. The second workshop in January 2019, which is reported here, extended the scope to the next stages, with the production of W-bosons (FCC-ee-W), the Higgs boson (FCC-ee-H) and top quarks (FCC-ee-tt). In particular, the theoretical precision in the determination of the crucial input parameters, alpha_QED, alpha_QCD, M_W, m_t at the level of FCC-ee requirements is thoroughly discussed. The requirements on Standard Model theory calculations were spelled out, so as to meet the demanding accuracy of the FCC-ee experimental potential. The discussion of innovative methods and tools for multi-loop calculations was deepened. Furthermore, phenomenological analyses beyond the Standard Model were discussed, in particular the effective theory approaches.
Source arXiv, 1905.5078
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