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2019-11-20
14:12
Observation of the semileptonic decay $B^+ \to p \bar{p} \mu^+ \nu_\mu$
The Cabibbo-suppressed semileptonic decay $B^{+}\to p\overline{p}\mu^{+}\nu_{\mu}$ is observed for the first time using a sample of $pp$ collisions corresponding to an integrated luminosity of 1.0, 2.0 and 1.9fb$^{-1}$ at centre-of-mass energies of 7, 8 and 13TeV, respectively. [...]
CERN-EP-2019-236 ; arXiv:1911.08187 ; LHCB-PAPER-2019-034.
- 2019.
Fulltext - Related data file(s) - Supplementary information

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2019-11-20
06:01
Impact of Energy Dependence on Ground Level and Avionic SEE Rate Prediction When Applying Standard Test Procedures / Cecchetto, Matteo (CERN ; IES, Montpellier) ; García Alía, Rubén (CERN) ; Wrobel, Frédéric (IES, Montpellier)
Single event effects (SEEs) in ground level and avionic applications are mainly induced by neutrons and protons, of which the relative contribution of the latter is larger with increasing altitude. [...]
2019.
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2019-11-20
04:05
New hard-TeV extreme blazars detected with the MAGIC telescopes / MAGIC Collaboration
Extreme high-frequency peaked BL Lac objects (EHBLs) are blazars which exhibit extremely energetic synchrotron emission. [...]
arXiv:1911.06680.
- 30 p.
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2019-11-20
04:05
Decaying Sterile Neutrinos and the Short Baseline Oscillation Anomalies / Dentler, Mona (Inst. Astrophys. Gottingen) ; Esteban, Ivan (ICC, Barcelona U.) ; Kopp, Joachim (CERN ; U. Mainz, PRISMA ; Mainz U.) ; Machado, Pedro (Fermilab)
The MiniBooNE experiment has observed a significant excess of electron neutrinos in a muon neutrino beam at source-detector distances too short to be compatible with standard neutrino oscillations. [...]
arXiv:1911.01427 ; FERMILAB-PUB-19-538-T.
- 5 p.
FERMILABPUB - Fulltext - Fulltext

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2019-11-20
04:04
Fabrication and beam test of a silicon-tungsten electromagnetic calorimeter / Muhuri, Sanjib (Calcutta, VECC) ; Mukhopadhyay, Sourav (HBNI, Mumbai) ; Chandratre, Vinay B. (HBNI, Mumbai) ; Nayak, Tapan K. (Calcutta, VECC ; CERN) ; Saha, Sumit Kumar (Calcutta, VECC) ; Thakur, Sanchari (Calcutta, VECC) ; Singaraju, Rama N. (Calcutta, VECC) ; Saini, Jogender (Calcutta, VECC) ; Van Den Brink, Anthony (Utrecht U.) ; Chujo, Tatsuya (Tsukuba U. (main)) et al.
A silicon-tungsten (Si-W) sampling calorimeter, consisting of 19 alternate layers of silicon pad detectors (individual pad area of 1~cm$^2$) and tungsten absorbers (each of one radiation length), has been constructed for measurement of electromagnetic showers over a large energy range [...]
arXiv:1911.00743.
- 15 p.
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2019-11-19
06:00
Overview and Status of the Long-Baseline Neutrino Facility Cryogenics System / Montanari, David (Fermilab) ; Adamowski, Mark (Fermilab) ; Bremer, Johan (CERN) ; Delaney, Michael (Fermilab) ; Doubnik, Roza (Fermilab) ; Freitag, Justin (Fermilab) ; Haaf, Kevin (Fermilab) ; Nichols, Trevor (Fermilab) ; Parchet, Adrien (CERN)
The Sanford Underground Research Facility (SURF) will host the Deep Underground Neutrino Experiment (DUNE), an international multi-kiloton Long-Baseline neutrino experiment that will be installed about a mile underground in Lead, SD. [...]
FERMILAB-CONF-19-012-LBNF.
- 2019. - 6 p.
FERMILABCONF - Fulltext

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2019-11-19
04:10
Analytic results for deep-inelastic scattering at NNLO QCD with the nested soft-collinear subtraction scheme / Asteriadis, Konstantin (KIT, Karlsruhe) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Melnikov, Kirill (KIT, Karlsruhe) ; Röntsch, Raoul (CERN)
We present analytic results that describe fully-differential NNLO QCD corrections to deep-inelastic scattering processes within the nested soft-collinear subtraction scheme. [...]
arXiv:1910.13761.
- 46 p.
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2019-11-18
20:06
Search for supersymmetry in pp collisions at $\sqrt{s} = $ 13 TeV with 137 fb$^{-1}$ in final states with a single lepton using the sum of masses of large-radius jets / CMS Collaboration
Results are reported from a search for new physics beyond the standard model in proton-proton collisions in final states with a single lepton; multiple jets, including at least one jet tagged as originating from the hadronization of a bottom quark; and large missing transverse momentum. [...]
arXiv:1911.07558 ; CMS-SUS-19-007 ; CERN-EP-2019-213 ; CMS-SUS-19-007-003.
- 2019.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2019-11-18
14:23
A quadrupole magnet of large acceptance / Wilson, E J N
CERN-MPS-EP-29.
- 1962.
Full text

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2019-11-17
04:59
NNLO QCD$\times$EW corrections to Z production in the $q\bar{q}$ channel / Bonciani, Roberto ; Buccioni, Federico ; Rana, Narayan ; Triscari, Ilario ; Vicini, Alessandro
We present the first results for the ${\cal O}(\alpha\alpha_s)$ corrections to the total partonic cross section of the process $q\bar q\to Z+X$, with the complete set of contributions, that include photonic and massive weak gauge boson effects. [...]
arXiv:1911.06200 ; CERN-TH-2019-154 ; OUTP-19-13P ; TIF-UNIMI-2019-17.
- 6 p.
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