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CERN Document Server Sök i 539 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.59 sekunder. 
1.
Measurement of the inclusive semileptonic $B$ meson branching fraction in 62.8 fb$^{-1}$ of Belle II data / Belle-II Collaboration
We report a measurement of the branching fraction of inclusive semileptonic $B$ meson decays $B\to X_c\ell\nu\ell$ in $\Upsilon(4S)\to B\bar B$~data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+e^-$ collider and corresponding to 62.8 fb$^{-1}$ of integrated luminosity. [...]
arXiv:2111.09405 ; BELLE2-CONF-PH-2021-012. - 17.
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2.
Exclusive $B \to X_u \ell \nu_\ell$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb$^{-1}$ of Belle II Data / Belle-II Collaboration
We present a reconstruction in early data of the semileptonic decay $B^+ \to \pi^0 \ell^+ \nu_\ell$, and first results of a reconstruction of the decays $B^+ \to \rho^0 \ell^+ \nu_\ell$ and $B^0 \to \rho^- \ell^+ \nu_\ell$ in a sample corresponding to 62.8 fb$^{-1}$ of Belle II data using hadronic $B$-tagging via the full-event-interpretation algorithm. [...]
arXiv:2111.00710 ; BELLE2-CONF-PH-2021-013. - 24.
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3.
Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data / Belle-II Collaboration
We report on measurements of branching fractions ($\mathcal{B}$) and CP-violating charge asymmetries ($\mathcal{A}_{\rm CP}$) of multibody charmless $B$ decays reconstructed by the Belle II experiment at the SuperKEKB electron-positron collider. [...]
arXiv:2109.10807 ; BELLE2-CONF-PH-2021-002. - 28.
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4.
The Alpha Magnetic Spectrometer (AMS) on the International Space Station. I: Results from the test flight on the space shuttle / AMS Collaboration
The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 (June 1998) in a 51.7° orbit at altitudes between 320 and 390 km . A search for antihelium nuclei in the rigidity range 1– 140 GV was performed. [...]
2002 - 75 p. - Published in : Phys. Rep. 366 (2002) 331-405
- Published in : Phys. Rep. 380 (2003) 97-98
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5.
Beam test performance of prototype silicon detectors for the Outer Tracker for the Phase-2 Upgrade of CMS / CMS Tracker Group Collaboration
A new CMS tracker detector will be installed for operation at the High Luminosity LHC (HL-LHC). This detector comprises modules with two closely spaced parallel sensor plates and front-end ASICs capable of transmitting tracking information to the CMS Level-1 (L1) trigger at the 40 MHz beam crossing rate. [...]
2020 - 32 p. - Published in : JINST 15 (2020) P03014 Fulltext: PDF;
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6.
Study of central exclusive $\pi^{+}\pi^{-}$ production in proton-proton collisions at $\sqrt{s} = $ 5.02 and 13 TeV / CMS Collaboration
Central exclusive production of $\pi^{+}\pi^{-}$ pairs is measured with the CMS detector in proton-proton collisions at the LHC at center-of-mass energies of 5.02 and 13 TeV. The theoretical description of these nonperturbative processes, which have not yet been measured in detail at the LHC, poses a significant challenge to models. [...]
arXiv:2003.02811; CMS-FSQ-16-006; CERN-EP-2020-005; CMS-FSQ-16-006-003.- Geneva : CERN, 2020-08-10 - 28 p. - Published in : Eur. Phys. J. C 80 (2020) 718 Article from SCOAP3: PDF; Fulltext: 2003.02811 - PDF; CMS-FSQ-16-006-arXIv - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
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7.
Measurement of single-diffractive dijet production in proton-proton collisions at $\sqrt{s} =$ 8 TeV with the CMS and TOTEM experiments / CMS and TOTEM Collaborations
Measurements are presented of the single-diffractive dijet cross section and the diffractive cross section as a function of the proton fractional momentum loss $\xi$ and the four-momentum transfer squared $t$. Both processes ${\mathrm{p}}{\mathrm{p}} \to {\mathrm{p}}\mathrm{X}$ and ${\mathrm{p}}{\mathrm{p}} \to \mathrm{X}{\mathrm{p}}$, ie with the proton scattering to either side of the interaction point, are measured, where $\mathrm{X}$ includes at least two jets; the results of the two processes are averaged [...]
arXiv:2002.12146; CMS-FSQ-12-033; TOTEM-2020-001; CERN-EP-2019-260; CMS-FSQ-12-033-003.- Geneva : CERN, 2020-12-17 - 42 p. - Published in : Eur. Phys. J. C Article from SCOAP3: PDF; Fulltext: PDF; External links: Additional information for the analysis; CMS AuthorList
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8.
Search for an excited lepton that decays via a contact interaction to a lepton and two jets in proton-proton collisions at ${\sqrt{s}} = $ 13 TeV / CMS Collaboration
Results are presented from a search for events containing an excited lepton (electron or muon) produced in association with an ordinary lepton of the same flavor and decaying to a lepton and two hadronic jets. Both the production and the decay of the excited leptons are assumed to occur via a contact interaction with a characteristic energy scale $\Lambda$. [...]
arXiv:2001.04521; CMS-EXO-18-013; CERN-EP-2019-280; CMS-EXO-18-013-004.- Geneva : CERN, 2020-05-12 - 20 p. - Published in : JHEP 2005 (2020) 052 Article from SCOAP3: PDF; Fulltext: CMS-EXO-18-013-arXiv - PDF; 2001.04521 - PDF; External links: Additional information for the analysis; CMS AuthorList
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9.
Search for a heavy Higgs boson decaying to a pair of W bosons in proton-proton collisions at $\sqrt{s} =$ 13 TeV / CMS Collaboration
A search for a heavy Higgs boson in the mass range from 0.2 to 3.0 TeV, decaying to a pair of W bosons, is presented. The analysis is based on proton-proton collisions at $\sqrt{s} = $ 13 TeV recorded by the CMS experiment at the LHC in 2016, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. [...]
arXiv:1912.01594; CMS-HIG-17-033; CERN-EP-2019-230; CMS-HIG-17-033-004.- 2020-03-06 - 49 p. - Published in : JHEP 2003 (2020) 034 Article from SCOAP3: PDF; Fulltext: cms-hig-17-033-arxiv - PDF; 1912.01594 - PDF; Fulltext from publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
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10.
Search for lepton flavour violating decays of a neutral heavy Higgs boson to $\mu\tau$ and e$\tau$ in proton-proton collisions at $\sqrt{s}=$ 13 TeV / CMS Collaboration
A search for lepton flavour violating decays of a neutral non-standard-model Higgs boson in the $\mu\tau$ and e$\tau$ decay modes is presented. The search is based on proton-proton collisions at a center of mass energy $\sqrt{s}=$ 13 TeV collected with the CMS detector in 2016, corresponding to an integrated luminosity of 35.9 fb$^{-1}$ . [...]
arXiv:1911.10267; CMS-HIG-18-017; CERN-EP-2019-170; CMS-HIG-18-017-003.- Geneva : CERN, 2020-03-18 - 50 p. - Published in : JHEP 2003 (2020) 103 Article from SCOAP3: PDF; Fulltext: cms-hig-18-017-arxiv - PDF; 1911.10267 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; Fulltext from publisher; CMS AuthorList
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141 Cecchi, C.
295 Cecchi, Claudia
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