OpenAccess

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2018-08-21
14:44
OpenAccess [PUBDB-2018-03095] Preprint/Report
; ; ; et al
Search for narrow H$\gamma$ resonances in proton-proton collisions at $\sqrt{s} =$ 13 TeV
[arXiv:1808.01257; CMS-EXO-17-019; CERN-EP-2018-200]
 GO
A search for heavy, narrow resonances decaying to a Higgs boson and a photon (H$\gamma$) has been performed in proton-proton collision data at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb$^{-1}$ collected with the CMS detector at the LHC in 2016. Events containing a photon and a Lorentz-boosted hadronically decaying Higgs boson that is reconstructed as a single, large-radius jet are considered, and the $\gamma$+jet invariant mass spectrum is analyzed for the presence of narrow resonances. [...]
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2018-08-21
14:41
OpenAccess [PUBDB-2018-03094] Preprint/Report
; ; ; et al
Search for heavy resonances decaying into two Higgs bosons or into a Higgs boson and a W or Z boson in proton-proton collisions at 13 TeV
[arXiv:1808.01365; CMS-B2G-17-006; CERN-EP-2018-182]
 GO
A search is presented for massive narrow resonances decaying either into two Higgs bosons, or into a Higgs boson and a W or Z boson. The decay channels considered are HH$\to \mathrm{b\overline{b}}\tau^{+}\tau^{-}$ and VH$ \to \mathrm{q\overline{q}}\tau^{+}\tau^{-}$, where H denotes the Higgs boson, and V denotes the W or Z boson. [...]
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2018-08-21
14:36
OpenAccess [PUBDB-2018-03093] Preprint/Report
; ; ; et al
Search for production of Higgs boson pairs in the four b quark final state using large-area jets in proton-proton collisions at $\sqrt{s}=$ 13 TeV
[arXiv:1808.01473; CMS-B2G-17-019; CERN-EP-2018-195]
 GO
A search is presented for pair production of the standard model Higgs boson using data from proton-proton collisions at a centre-of-mass energy of 13 TeV, collected by the CMS experiment at the CERN LHC in 2016, and corresponding to an integrated luminosity of 35.9 fb$^{-1}$. The final state consists of two b quark-antiquark pairs. [...]
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2018-08-21
14:33
OpenAccess [PUBDB-2018-03092] Preprint/Report
; ; ; et al
Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at $\sqrt{s} =$ 8 and 13 TeV
[arXiv:1808.01890; CMS-HIG-16-017; CERN-EP-2018-204]
 GO
A search for resonances in the mass range 12-70 GeV produced in association with a b quark jet and a second jet, and decaying to a muon pair, is reported. The analysis is based on data from proton-proton collisions at center-of-mass energies of 8 and 13 TeV, collected with the CMS detector at the LHC and corresponding to integrated luminosities of 19.7 and 35.9 fb$^{-1}$, respectively. [...]
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2018-08-21
14:30
OpenAccess [PUBDB-2018-03091] Preprint/Report
; ; ; et al
Evidence for the associated production of a single top quark and a photon in proton-proton collisions at $\sqrt{s}=$ 13 TeV
[arXiv:1808.02913; CMS-TOP-17-016; CERN-EP-2018-206]
 GO
The first evidence of events consistent with the production of a single top quark in association with a photon is reported. The analysis is based on proton-proton collisions at $\sqrt{s}=$ 13 TeV and recorded by the CMS experiment in 2016, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. [...]
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2018-08-21
14:28
OpenAccess [PUBDB-2018-03090] Preprint/Report
; ; ; et al
Search for long-lived particles with displaced vertices in multijet events in proton-proton collisions at $\sqrt{s}= $13 TeV
[arXiv:1808.03078; CMS-EX-17-018; CERN-EP-2018-203]
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Results are reported from a search for long-lived particles in proton-proton collisions at $\sqrt{s}=$ 13 TeV delivered by the CERN LHC and collected by the CMS experiment. The data sample, which was recorded during 2015 and 2016, corresponds to an integrated luminosity of 38.5 fb$^{-1}$. [...]
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2018-08-21
14:25
OpenAccess [PUBDB-2018-03089] Preprint/Report
; ; ; et al
Search for pair-produced resonances decaying to quark pairs in proton-proton collisions at $\sqrt{s}=$ 13 TeV
[arXiv:1808.03124; CMS-EXO-17-021; CERN-EP-2018-211]
 GO
A search for the pair production of resonances, each decaying to two quarks, is reported. The search is conducted separately for heavier resonances (masses above 400 GeV), where each of the four final-state quarks generates a hadronic jet resulting in a four-jet signature, and for lighter resonances (masses between 80 and 400 GeV), where the pair of quarks from each resonance is collimated and reconstructed as a single jet resulting in a two-jet signature. [...]
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2018-08-21
14:23
OpenAccess [PUBDB-2018-03088] Preprint/Report
; ; ; et al
Search for an $L_{\mu}-L_{\tau}$ gauge boson using Z$\to4\mu$ events in proton-proton collisions at $\sqrt{s} =$ 13 TeV
[arXiv:1808.03684; CMS-EXO-18-008; CERN-EP-2018-208]
 GO
A search for a narrow Z$'$ gauge boson with a mass between 5 and 70 GeV resulting from an $L_{\mu}-L_{\tau}$ $U(1)$ local gauge symmetry is reported. Events containing four muons with an invariant mass near the standard model Z boson mass are analyzed, and the selection is further optimized to be sensitive to the events that may contain Z$\to$Z$'\mu\mu\to4\mu$ decays. [...]
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2018-08-21
14:18
OpenAccess [PUBDB-2018-03087] Preprint/Report
; ; ; et al
Search for pair production of second-generation leptoquarks at $\sqrt{s}=$ 13 TeV
[arXiv:1808.05082; CMS-EXO-17-003; CERN-EP-2018-218]
 GO
A search for pair production of second-generation leptoquarks is performed using proton-proton collision data collected at $\sqrt{s}=$ 13 TeV in 2016 with the CMS detector at the CERN LHC, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. Final states with two muons and two jets, or with one muon, two jets, and missing transverse momentum are considered. [...]
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2018-08-17
10:46
OpenAccess [PUBDB-2018-02994] Journal Article
; ; ; et al
Ab initio calculation of electron-impact-ionization cross sections for ions in exotic electron configurations
Atomic or molecular assemblies irradiated with intense hard x-ray pulses, such as those emitted from x-ray free-electron lasers (XFELs), are subject to a strong ionization, which also releases electrons from atomic inner shells. The resulting core-hole states relax via various channels, including fluorescence and Auger decay [...]
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ddc:530
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