CERN Accelerating science

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1.
Futur collisionneur circulaire—Rapport d’étude de faisabilité, volume 3 : Génie civil, implantation et durabilité / Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
CERN-FCC-ACC-2025-0003-FR.- Geneva : CERN, 2025-03 - 357 p. - Published in : 10.17181/CERN.WE26.NJC0
2.
Measurements of $W^+W^-$ production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Measurements of $W^+W^-\rightarrow e^\pm \nu \mu^\mp \nu$ production cross-sections are presented, providing a test of the predictions of perturbative quantum chromodynamics and the electroweak theory. The measurements are based on data from $pp$ collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider in 2015-2018, corresponding to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2505.11310; CERN-EP-2025-091.- Geneva : CERN, 2025-08-19 - 62 p. - Published in : JHEP 2508 (2025) 142 Fulltext: ANA-STDM-2020-16-PAPER - PDF; 2505.11310 - PDF; document - PDF; External link: Previous draft version
3.
Future Circular Collider Feasibility Study Report Volume 2 : Accelerators, technical infrastructure and safety / Benedikt, M. (ed.) (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
In response to the 2020 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) Feasibility Study was launched as an international collaboration hosted by CERN. The FCC ‘integrated programme’, described in this report, in a first stage consists of a highest-luminosity electron-positron collider, FCC-ee, serving as Higgs, top and electroweak factory, with a subsequent energy-frontier proton-proton collider, FCC-hh, as the second stage.     The FCC-ee is designed to operate at four baseline centre-of-mass energies, corresponding to the Z pole, the WW pair production threshold, the ZH production peak, and the top/anti-top production threshold, always delivering the highest possible luminosities to four experiments. [...]
arXiv:2505.00274; CERN-FCC-ACC-2025-0004.- Geneva : CERN, 2025 - 627 p. Fulltext: CERN-FCC-ACC-2025-0004 - PDF; 2505.00274 - PDF;
4.
Future Circular Collider Feasibility Study Report Volume 3 : Civil Engineering, Implementation and Sustainability / Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
Volume 3 of the FCC Feasibility Report presents studies related to civil engineering, the development of a project implementation scenario, and environmental and sustainability aspects. The report details the iterative improvements made to the civil engineering concepts since 2018, taking into account subsurface conditions, accelerator and experiment requirements, and territorial considerations. [...]
arXiv:2505.00273; CERN-FCC-ACC-2025-0003.- Geneva : CERN, 2025-03 - 357 p. - Published in : 10.17181/CERN.I26X.V4VF Fulltext: CERN-FCC-ACC-2025-0003 - PDF; 2505.00273 - PDF;
5.
Future Circular Collider Feasibility Study Report Volume 1 : Physics and Experiments / Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
Volume 1 of the FCC Feasibility Report presents an overview of the physics case, experimental programme, and detector concepts for the Future Circular Collider (FCC). This volume outlines how the FCC would address some of the most profound open questions in particle physics, from precision studies of the Higgs and EW bosons and of the top quark, to the exploration of physics beyond the Standard Model. [...]
arXiv:2505.00272; CERN-FCC-PHYS-2025-0002.- Geneva : CERN, 2025 - 290 p. - Published in : 10.17181/CERN.9DKX.TDH9 Fulltext: CERN-FCC-PHYS-2025-0002 - PDF; 2505.00272 - PDF;
6.
Towards podio v1.0 - A first stable release of the EDM toolkit / Carceller, Juan Miguel (CERN) ; Gaede, Frank (DESY) ; Ganis, Gerardo (CERN) ; Hegner, Benedikt (CERN) ; Helsens, Clement (CERN ; KIT, Karlsruhe, IPE) ; Madlener, Thomas (DESY) ; Sailer, André (CERN) ; Stewart, Graeme A. (CERN) ; Volkl, Valentin (CERN)
A performant and easy-to-use event data model (EDM) is a key component of any HEP software stack. The podio EDM toolkit provides a user friendly way of generating such a performant implementation in C++ from a high level description in yaml format. [...]
arXiv:2312.08206.- 2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 06018 Fulltext: document - PDF; 2312.08206 - PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.06018
7.
Of Frames and schema evolution -- The newest features of podio / Fernandez Declara, Placido (CERN) ; Gaede, Frank (DESY) ; Ganis, Gerardo (CERN) ; Hegner, Benedikt (CERN) ; Helsens, Clement (KIT, Karlsruhe) ; Madlener, Thomas (DESY) ; Sailer, Andre (CERN) ; Stewart, Graeme A. (CERN) ; Volkl, Valentin (CERN)
The podio event data model (EDM) toolkit provides an easy way to generate a performant implementation of an EDM from a high level description in yaml format. [...]
arXiv:2312.08199.
- 5 p.
Fulltext
8.
Search for high-mass resonances in final states with a $\tau$-lepton and missing transverse momentum with the ATLAS detector / ATLAS Collaboration
A search for high-mass resonances decaying into a tau-lepton and a neutrino using proton–proton collisions at a center-of-mass energy of $\sqrt{s}= 13$ TeV is presented. The full Run 2 data sample corresponding to an integrated luminosity of 139 fb$^{-1}$ recorded by the ATLAS experiment in the years 2015-2018 is analyzed. [...]
arXiv:2402.16576; CERN-EP-2023-298.- Geneva : CERN, 2024-06-01 - 28 p. - Published in : Phys. Rev. D 109 (2024) 112008 Fulltext: 2402.16576 - PDF; Publication - PDF; External link: Previous draft version
9.
Prospects for $B_c^+$ and $B^+\rightarrow \tau ^+ \nu _\tau $ at FCC-ee / Zuo, Xunwu (KIT, Karlsruhe, ETP) ; Fedele, Marco (KIT, Karlsruhe, TTP) ; Helsens, Clément (KIT, Karlsruhe ; Ecole Polytechnique, Lausanne ; CERN) ; Hill, Donal (Ecole Polytechnique, Lausanne) ; Iguro, Syuhei (KIT, Karlsruhe, TTP ; KIT, Karlsruhe, IAP) ; Klute, Markus (KIT, Karlsruhe)
The prospects are presented for precise measurements of the branching ratios of the purely leptonic $B_c^+ \to \tau^+ \nu_\tau$ and $B^+ \to \tau^+ \nu_\tau$ decays at the Future Circular Collider (FCC). This work is focused on the hadronic $\tau^{+} \to \pi^+ \pi^+ \pi^- \bar{\nu}_\tau$ decay in both $B_c^+ \to \tau^+ \nu_\tau$ and $B^+ \to \tau^+ \nu_\tau$ processes. [...]
arXiv:2305.02998; TTP23-015; P3H-23-28.- 2024-01-26 - 28 p. - Published in : Eur. Phys. J. C 84 (2024) 87 Fulltext: Publication - PDF; 2305.02998 - PDF;
10.
Measurement of the total and differential cross-sections of $t\bar{t}W$ production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Measurements of inclusive and differential production cross-sections of a top-quark-top-antiquark pair in association with a $W$ boson ($t\bar{t}W$) are presented. They are performed by targeting final states with two same-sign or three isolated leptons (electrons or muons) and are based on $\sqrt{s}=13$ TeV proton-proton collision data with an integrated luminosity of 140 fb$^{-1}$, recorded from 2015 to 2018 with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2401.05299; CERN-EP-2023-260.- Geneva : CERN, 2024-05-10 - 71 p. - Published in : JHEP 2405 (2024) 131 Fulltext: 2401.05299 - PDF; document - PDF; External link: Previous draft version

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