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2017-04-15
08:30
Search for dark matter at $\sqrt{s}=13$ TeV in final states containing an energetic photon and large missing transverse momentum with the ATLAS detector / ATLAS Collaboration
Results of a search for physics beyond the Standard Model in events containing an energetic photon and large missing transverse momentum with the ATLAS detector at the Large Hadron Collider are reported. As the number of events observed in data, corresponding to an integrated luminosity of 36.1 $\textrm fb^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV, is in agreement with the Standard Model expectations, exclusion limits in models where dark-matter candidates are pair-produced are determined. [...]
CERN-EP-2017-044; arXiv:1704.03848.- Geneva : CERN, 2017-06-14 - 45 p. - Published in : Eur. Phys. J. C 77 (2017) 393 Article from SCOAP3: PDF; Preprint: PDF;

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2017-04-11
20:53
Search for t t-bar resonances in highly boosted lepton+jets and fully hadronic final states in proton-proton collisions at sqrt(s) = 13 TeV / CMS Collaboration
A search for the production of heavy resonances decaying into top quark-antiquark pairs is presented. The analysis is performed in the lepton+jets and fully hadronic channels using data collected in proton-proton collisions at sqrt(s) = 13 TeV using the CMS detector at the LHC, corresponding to an integrated luminosity of 2.6 inverse femtobarns. [...]
CMS-B2G-16-015; CERN-EP-2017-049; arXiv:1704.03366.- Geneva : CERN, 2017-07-03 - 47 p. - Published in : JHEP 07 (2017) 001 Article from SCOAP3: PDF; Fulltext: PDF; Preprint: PDF;

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2017-04-03
10:46
Measurements of the pp $\to W\gamma\gamma$ and pp $\to Z\gamma\gamma$ cross sections and limits on anomalous quartic gauge couplings at $ \sqrt{s}=8 $ TeV / CMS Collaboration
Measurements are presented of $ \mathrm{ W \gamma\gamma } $ and $ \mathrm{ Z \gamma\gamma } $ production in proton-proton collisions. Fiducial cross sections are reported based on a data sample corresponding to an integrated luminosity of 19.4 fb$^{-1}$ collected with the CMS detector at a center-of-mass energy of 8 TeV. [...]
CMS-SMP-15-008; CERN-EP-2017-039; arXiv:1704.00366.- Geneva : CERN, 2017-10-11 - 34 p. - Published in : JHEP 10 (2017) 072 Article from SCOAP3: PDF; Fulltext: PDF; Preprint: PDF;

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2017-04-01
00:22
First measurement of transverse-spin-dependent azimuthal asymmetries in the Drell-Yan process / COMPASS Collaboration
The first measurement of transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan (DY) process is reported. We use the CERN SPS 190 GeV/$c$, $\pi^{-}$ beam and a transversely polarized ammonia target. [...]
CERN-EP-2017-059; arXiv:1704.00488.- Geneva : CERN, 2017-09-12 - 7 p. - Published in : Phys. Rev. Lett. 119 (2017) 112002 Draft (restricted): PDF; Fulltext: CERN-EP-2017-059 - PDF; 10.1103_PhysRevLett.119.112002 - PDF; Preprint: PDF;

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2017-03-30
07:23
Measurement of $B^0$, $B^0_s$, $B^+$ and $\Lambda^0_b$ production asymmetries in 7 and 8 TeV proton-proton collisions / LHCb Collaboration
The $B^0$, $B^0_s$, $B^+$ and $\Lambda^0_b$ hadron production asymmetries are measured using a data sample corresponding to an integrated luminosity of 3.0 fb$^{-1}$, collected by the LHCb experiment in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. The measurements are performed as a function of transverse momentum and rapidity of the $b$ hadrons within the LHCb detector acceptance. [...]
CERN-EP-2017-036; LHCB-PAPER-2016-062; arXiv:1703.08464.- Geneva : CERN, 2017-11-10 - 20 p. - Published in : Phys. Lett. B 774 (2017) 139-158 Article from SCOAP3: PDF; Preprint: PDF; Related data file(s): ZIP; External link: Figures, tables and other information

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2017-03-29
21:26
Search for new physics with dijet angular distributions in proton-proton collisions at $\sqrt{s} = $ 13 TeV / CMS Collaboration
A search is presented for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at $\sqrt{s} = $ 13 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 2.6 fb$^{-1}$. [...]
CMS-EXO-15-009; CERN-EP-2017-047; arXiv:1703.09986.- Geneva : CERN, 2017-07-05 - 34 p. - Published in : JHEP 07 (2017) 013 Article from SCOAP3: PDF; Fulltext: PDF; Preprint: PDF; External link: Rivet analyses reference

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2017-03-24
09:54
J/$\psi$ production as a function of charged-particle pseudorapidity density in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration
We report measurements of the inclusive J/$\psi$ yield and average transverse momentum as a function of charged-particle pseudorapidity density ${\rm d}N_{\rm ch}/{\rm d}\eta$ in p-Pb collisions at $\sqrt{s_{\rm NN}}= 5.02$ TeV with ALICE at the LHC. The observables are normalised to their corresponding averages in non-single diffractive events. [...]
CERN-EP-2017-056; arXiv:1704.00274.- Geneva : CERN, 2018-01-10 - 14 p. - Published in : Phys. Lett. B 776 (2018) 91-104 Article from SCOAP3: PDF; Draft (restricted): PDF; Preprint: PDF;

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2017-03-20
12:28
Measurement of the $B^0_s\to\mu^+\mu^-$ branching fraction and effective lifetime and search for $B^0\to\mu^+\mu^-$ decays / LHCb Collaboration
A search for the rare decays $B^0_s\to\mu^+\mu^-$ and $B^0\to\mu^+\mu^-$ is performed at the LHCb experiment using data collected in $pp$ collisions corresponding to a total integrated luminosity of 4.4 fb$^{-1}$. An excess of $B^0_s\to\mu^+\mu^-$ decays is observed with a significance of 7.8 standard deviations, representing the first observation of this decay in a single experiment. [...]
CERN-EP-2017-041; LHCB-PAPER-2017-001; arXiv:1703.05747.- Geneva : CERN, 2017-05-11 - 11 p. - Published in : Phys. Rev. Lett. 118 (2017) 191801 APS Open Access Article: PDF; Fulltext: PDF; Preprint: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information

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2017-03-18
23:25
Search for a heavy resonance decaying to a top quark and a vector-like top quark at $ \sqrt{s}=13 $ TeV / CMS Collaboration
A search is presented for massive spin-1 Z' resonances decaying to a top quark and a heavy vector-like top quark partner T. The search is based on a 2.6 inverse femtobarns sample of proton-proton collisions at 13 TeV collected with the CMS detector at the LHC. [...]
CMS-B2G-16-013; CERN-EP-2017-035; arXiv:1703.06352.- Geneva : CERN, 2017-09-13 - 40 p. - Published in : JHEP 09 (2017) 053 Article from SCOAP3: PDF; Fulltext: PDF; Preprint: PDF;

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2017-03-18
22:59
Search for anomalous couplings in boosted $\mathrm{ WW/WZ }\to\ell\nu\mathrm{ q \bar{q} }$ production in proton-proton collisions at $\sqrt{s} =$ 8 TeV / CMS Collaboration
This Letter presents a search for new physics manifested as anomalous triple gauge boson couplings in WW and WZ diboson production in proton-proton collisions. The search is performed using events containing a W boson that decays leptonically and a W or Z boson whose decay products are merged into a single reconstructed jet. [...]
CMS-SMP-13-008; CERN-EP-2017-029; arXiv:1703.06095.- Geneva : CERN, 2017-09-10 - 22 p. - Published in : Phys. Lett. B 772 (2017) 21-42 Article from SCOAP3: PDF; Preprint: PDF;

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