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CERN Document Server 6 записей найдено  Поиск длился 0.62 секунд. 
1.
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: 2305.02998 - PDF; Publication - PDF;
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2.
Simple and statistically sound recommendations for analysing physical theories / AbdusSalam, Shehu S. (Shahid Beheshti U.) ; Agocs, Fruzsina J. (Cambridge U. ; Cambridge U., KICC) ; Allanach, Benjamin C. (Cambridge U., DAMTP) ; Athron, Peter (Monash U. ; Nanjing Normal U.) ; Balázs, Csaba (Monash U.) ; Bagnaschi, Emanuele (PSI, Villigen) ; Bechtle, Philip (Bonn U.) ; Buchmueller, Oliver (Imperial Coll., London) ; Beniwal, Ankit (Louvain U., CP3) ; Bhom, Jihyun (Cracow, INP) et al.
Physical theories that depend on many parameters or are tested against data from many different experiments pose unique challenges to statistical inference. Many models in particle physics, astrophysics and cosmology fall into one or both of these categories. [...]
arXiv:2012.09874; PSI-PR-20-23; BONN-TH-2020-11; CP3-20-59; KCL-PH-TH/2020-75, P3H-20-080; TTP20-044; TUM-HEP-1310/20; IFT-UAM/CSIC-20-180; TTK-20-47, CERN-TH-2020-215; FTPI-MINN-20-36; UMN-TH-4005/20; HU-EP-20/37; DESY 20-222, ADP-20-33/T1143; DESY-20-222; Imperial/TP/2020/RT/04; UCI-TR-2020-19; gambit-review-2020.- 2022-04-29 - 15 p. - Published in : Rep. Prog. Phys.
Fulltext: PDF;
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3.
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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4.
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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5.
The CKM parameters in the SMEFT / Descotes-Genon, Sébastien (Orsay, LPT) ; Falkowski, Adam (Orsay, LPT) ; Fedele, Marco (ICC, Barcelona U.) ; González-Alonso, Martín (CERN) ; Virto, Javier (Munich, Tech. U. ; MIT, Cambridge, CTP)
The extraction of the Cabibbo-Kobayashi-Maskawa (CKM) matrix from flavour observables can be affected by physics beyond the Standard Model (SM). We provide a general roadmap to take this into account, which we apply to the case of the Standard Model Effective Field Theory (SMEFT). [...]
arXiv:1812.08163; LPT Orsay 18-92; CERN-TH-2018-276; TUM-HEP-1178/18; MIT-CTP/5081, NIOBE-2018-01.- 2019-05-27 - 37 p. - Published in : JHEP 1905 (2019) 172 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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6.
Hadronic uncertainties in the $B\to K^*\mu^+\mu^-$ decay / 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 (CERN ; INFN, Rome) ; Valli, Mauro (UC, Irvine)
Motivated by the persisting 'anomaly' in the measurement of $P_5^\prime$, we review hadronic uncertainties entering the angular observables of the decay $\bar B\to {\bar K}^*\mu^+\mu^-$. We argue that hadronic uncertainties could account for the present measurements. [...]
arXiv:1809.03789.- SISSA, 2018-09-11 - 9 p. - Published in : PoS BEAUTY2018 (2018) 044 Fulltext: PoS(BEAUTY2018)044 - PDF; 1809.03789 - PDF; External link: PoS server
In : The 17th International Conference on B-Physics at Frontier Machines, Isola D'elba, Italy, 6 - 11 May 2018, pp.044
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