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Evaluation of HPK $n^+$-$p$ planar pixel sensors for the CMS Phase-2 upgrade
/ Tracker Group of the CMS Collaboration
To cope with the challenging environment of the planned high luminosity upgrade
of the Large Hadron Collider (HL-LHC), scheduled to start operation in 2029, CMS will replace its entire tracking system. The requirements for the tracker are largely determined by the long operation time of 10~years with an instantaneous peak luminosity of up to
$7.5\times 10^{34}$~cm$^{-2}$s$^{-1}$ in the ultimate performance scenario.
Depending on the radial distance from the interaction point, the silicon sensors will receive a particle fluence corresponding to a non-ionizing energy loss of up to $\Phi_{\text{eq}} = 3.5\times 10^{16}$~cm$^{-2}$. [...]
arXiv:2212.04793; CMS-NOTE-2023-002.-
Geneva : CERN, 2023-05-09 - 18 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1053 (2023) 168326
Fulltext: NOTE2023_002 - PDF; 2212.04793 - PDF; 826201a370cac8eb0cb4bd0a37aa14d9 - PDF; External link: Fermilab Library Server
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2.
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Unitarity Triangle global fits beyond the Standard Model: UTfit 2021 NP update
/ Bona, Marcella (Queen Mary, U. of London (main)) ; Ciuchini, Marco (INFN, Rome3) ; Derkach, Denis (Unlisted, RU) ; Ferrari, Fabio (Bologna U. ; INFN, Bologna) ; Franco, Enrico (INFN, Rome) ; Lubicz, Vittorio (Rome III U.) ; Martinelli, Guido (Rome U.) ; Pierini, Maurizio (CERN) ; Silvestrini, Luca (INFN, Rome) ; Tarantino, Cecilia (Rome III U.) et al.
Flavour physics represents a unique test bench for the Standard Model (SM). New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. [...]
2022 - 4 p.
- Published in : PoS EPS-HEP2021 (2022) 500
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.500
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4.
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Unitarity Triangle global fits testing the Standard Model: UT$fit$ 2021 SM update
/ Bona, Marcella (Queen Mary, U. of London (main)) ; Ciuchini, Marco (INFN, Rome3) ; Derkach, Denis (Unlisted, RU) ; Ferrari, Fabio (Bologna U. ; INFN, Bologna) ; Franco, Enrico (INFN, Rome) ; Lubicz, Vittorio (Rome III U.) ; Martinelli, Guido (Rome U.) ; Pierini, Maurizio (CERN) ; Silvestrini, Luca (INFN, Rome) ; Tarantino, Cecilia (Rome III U.) et al.
Flavour physics represents a unique test bench for the Standard Model. New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. [...]
2022 - 6 p.
- Published in : PoS EPS-HEP2021 (2022) 512
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.512
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5.
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Global analysis of electroweak data in the Standard Model
/ de Blas, J. (CAFPE, Granada ; Granada U.) ; Ciuchini, M. (INFN, Rome3) ; Franco, E. (INFN, Rome) ; Goncalves, A. (Florida State U.) ; Mishima, S. (KEK, Tsukuba) ; Pierini, M. (CERN) ; Reina, L. (Florida State U.) ; Silvestrini, L. (INFN, Rome)
We perform a global fit of electroweak data within the Standard Model, using state-of-the art experimental and theoretical results, including a determination of the electromagnetic coupling at the electroweak scale based on recent lattice calculations. In addition to the posteriors for all parameters and observables obtained from the global fit, we present indirect determinations for all parameters and predictions for all observables. [...]
arXiv:2112.07274; KEK-TH-2378.-
2022-08-01 - 11 p.
- Published in : Phys. Rev. D 106 (2022) 033003
Fulltext: PhysRevD.106.033003 - PDF; 2112.07274 - PDF;
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6.
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Search for millicharged particles in proton-proton collisions at $\sqrt{s} = 13$ TeV
/ Ball, A. (CERN) ; Beauregard, G. (New York U. (main)) ; Brooke, J. (U. Bristol (main)) ; Campagnari, C. (UC, Santa Barbara (main)) ; Carrigan, M. (Ohio State U., Columbus (main)) ; Citron, M. (UC, Santa Barbara (main)) ; De La Haye, J. (CERN) ; De Roeck, A. (CERN) ; Elskens, Y. (Vrije U., Brussels) ; Franco, R. Escobar (UC, Santa Barbara (main)) et al.
We report on a search for elementary particles with charges much smaller than the electron charge (e) using a data sample of proton-proton collisions provided by the CERN Large Hadron Collider in 2018, corresponding to an integrated luminosity of 37.5/fb at a center-of-mass energy of 13 TeV. A prototype scintillator-based detector is deployed to conduct the first search at a hadron collider sensitive to particles with charges ≤ 0.1e. [...]
arXiv:2005.06518; CERN-EP-2020-072.-
Geneva : CERN, 2020-08-07 - 12 p.
- Published in : Phys. Rev. D 102 (2020) 032002
Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: 2005.06518 - PDF; CERN-EP-2020-072 - PDF; fermilab-pub-20-298-cms - PDF;
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7.
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$\texttt{HEPfit}$: a Code for the Combination of Indirect and Direct Constraints on High Energy Physics Models
/ De Blas, J. (Padua U. ; INFN, Padua) ; Chowdhury, D. (Ecole Polytechnique, CPHT ; Orsay, LPT) ; Ciuchini, M. (INFN, Rome) ; Coutinho, A.M. (PSI, Villigen) ; Eberhardt, O. (Valencia U., IFIC) ; Fedele, M. (Barcelona U.) ; Franco, E. (INFN, Rome) ; Grilli Di Cortona, G. (Warsaw U.) ; Miralles, V. (Valencia U.) ; Mishima, S. (KEK, Tsukuba) et al.
$\texttt{HEPfit}$ is a flexible open-source tool which, given the Standard Model or any of its extensions, allows to $\textit{i)}$ fit the model parameters to a given set of experimental observables; $\textit{ii)}$ obtain predictions for observables. $\texttt{HEPfit}$ can be used either in Monte Carlo mode, to perform a Bayesian Markov Chain Monte Carlo analysis of a given model, or as a library, to obtain predictions of observables for a given point in the parameter space of the model, allowing $\texttt{HEPfit}$ to be used in any statistical framework. [...]
arXiv:1910.14012; CERN-TH-2019-178; CPHT-RR060.102019; DESY-19-184; DESY 19-184; FTUV/19-1031; KEK-TH-2163; LPT-Orsay-19-36; PSI-PR-19-22; UCI-TR-2019-26; IFIC/19-44.-
2020-05-21 - 31 p.
- Published in : Eur. Phys. J. C 80 (2020) 456
Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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8.
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On hadronic uncertainties polluting the New Physics hunt in $b \rightarrow s$ transitions
/ Ciuchini, Marco (INFN, Rome3) ; Coutinho, Antonio M (INFN, Rome3 ; Rome III U.) ; Fedele, Marco (Orsay, LPT) ; Franco, Enrico (INFN, Rome) ; Paul, Ayan (DESY ; Humboldt U., Berlin) ; Silvestrini, Luca (INFN, Rome ; CERN) ; Valli, Mauro (UC, Irvine)
We review the hadronic uncertainties involved in the decay $B \rightarrow K^* \ell^+ \ell^-$, arguing that the non-factorizable hadronic contribution might account for some of the anomalies observed in $b \rightarrow s$ transitions, namely the ones relating to the $P^′_5$ observable. Moreover, we explore how alternative Beyond Standard Model interpretations of the anomalies pattern, e.g. [...]
2019 - 6 p.
- Published in : Nucl. Part. Phys. Proc. 303-305 (2018) 8-13
In : Seventh Workshop on Theory, Phenomenology and Experiments in Flavour Physics and the future of BSM physics, Anacapri, Italy, 8 - 10 Jun 2018, pp.8-13
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9.
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New Physics in $b \to s \ell^+ \ell^-$ confronts new data on Lepton Universality
/ Ciuchini, Marco (INFN, Rome3) ; Coutinho, António M. (INFN, Rome3 ; Lisbon, CFTP) ; Fedele, Marco (ICC, Barcelona U.) ; Franco, Enrico (INFN, Rome) ; Paul, Ayan (DESY ; Humboldt U., Berlin) ; Silvestrini, Luca (INFN, Rome ; CERN) ; Valli, Mauro (UC, Irvine)
In light of the very recent updates on the $R_K$ and $R_{K^*}$ measurements from the LHCb and Belle collaborations, we systematically explore here imprints of New Physics in $b \to s \ell^+ \ell^- $ transitions using the language of effective field theories. We focus on effects that violate Lepton Flavour Universality both in the Weak Effective Theory and in the Standard Model Effective Field Theory. [...]
arXiv:1903.09632; CERN-TH-2019-033; DESY-19-043; DESY 19-043; UCI-TR-2019-07; UCI-TR-2019-0.-
2019-08-27 - 30 p.
- Published in : Eur. Phys. J. C 79 (2019) 719
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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10.
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Report from Working Group 1 : Standard Model Physics at the HL-LHC and HE-LHC
/ Azzi, P. (INFN, Padua) ; Farry, S. (Liverpool U.) ; Nason, P. (INFN, Milan Bicocca ; Milan Bicocca U.) ; Tricoli, A. (Brookhaven Natl. Lab.) ; Zeppenfeld, D. (KIT, Karlsruhe, TP) ; Abdul Khalek, R. (Vrije U., Amsterdam ; NIKHEF, Amsterdam) ; Alimena, J. (Ohio State U.) ; Andari, N. (IRFU, Saclay) ; Aperio Bella, L. (CERN) ; Armbruster, A.J. (CERN) et al.
The successful operation of the Large Hadron Collider (LHC) and the excellent performance of the ATLAS, CMS, LHCb and ALICE detectors in Run-1 and Run-2 with $pp$ collisions at center-of-mass energies of 7, 8 and 13 TeV as well as the giant leap in precision calculations and modeling of fundamental interactions at hadron colliders have allowed an extraordinary breadth of physics studies including precision measurements of a variety physics processes. The LHC results have so far confirmed the validity of the Standard Model of particle physics up to unprecedented energy scales and with great precision in the sectors of strong and electroweak interactions as well as flavour physics, for instance in top quark physics. [...]
arXiv:1902.04070; CERN-LPCC-2018-03.-
Geneva : CERN, 2019-12-02 - 220 p.
- Published in : CERN Yellow Rep. Monogr. 7 (2019) 1-220
Fulltext: 950-Article Text-4160-1-10-20191204 - PDF; 1902.04070 - PDF;
In : HL/HE-LHC Workshop : Workshop on the Physics of HL-LHC, and Perspectives at HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018
Report on the Physics at the HL-LHC, and Perspectives for the HE-LHC, Geneva, Switzerland, 18 - 20 Jun 2018, pp.1-220
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