# CERN Preprints

Najnovije dodano:
2014-04-15
14:38
 Proceedings of the 2013 MPP Workshop / Jonker, M (CERN) The principle aims of the workshop are to discuss mid-and longer-term improvements of the MP systems: - Review of the current operational experience with MP systems during the first running period (2010-2012). [...] CERN-ACC-2014-0041. - 2014. - 151 p.

2014-04-15
04:25
 Complete Higgs Sector Constraints on Dimension-6 Operators / Ellis, John ; Sanz, Veronica ; You, Tevong Constraints on the full set of Standard Model dimension-6 operators have previously used triple-gauge couplings to complement the constraints obtainable from Higgs signal strengths. [...] arXiv:1404.3667 ; KCL-PH-TH-2014-15 ; LCTS-2014-14 ; CERN-PH-TH-2014-061. - 2014. - 20 p. Preprint

2014-04-15
04:24
 Tensor B mode and stochastic Faraday mixing / Giovannini, Massimo Following a recent proposal, the formation of Faraday rotation is treated as a stationary, random and Markovian process. [...] arXiv:1404.3663 ; CERN-PH-TH-2014-054. - 2014. - 32 p. Preprint

2014-04-12
11:37
 Measurement of jet multiplicity distributions in t-tbar production in pp collisions at sqrt(s) = 7 TeV / CMS Collaboration The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. [...] CERN-PH-EP-2014-048 ; CMS-TOP-12-018-003 ; arXiv:1404.3171. - 2014. Additional information for the analysis - CMS AuthorList - Full text

2014-04-11
15:10
 Evidence for the decay $B_c^+ \to J/\psi 3pi^+ 2pi^-$ Evidence is presented for the decay $B_c^+\rightarrow J/\psi 3\pi^+2\pi^-$ using proton-proton collision data, corresponding to an integrated luminosity of 3fb$^{-1}$, collected with the LHCb detector [...] CERN-PH-EP-2014-054 ; LHCB-PAPER-2014-009. - 2014. Fulltext - Previous draft version - Related data file(s)

2014-04-11
15:02
 Evidence for the decay $X(3872)\to\psi(2S)\gamma$ Evidence for the decay mode $X(3872)\rightarrow\psi(2S)\gamma$ in $B^+\rightarrow X(3872)K^+$ decays is found with a significance of 4.4 standard deviations. [...] CERN-PH-EP-2014-050 ; LHCB-PAPER-2014-008. - 2014. Fulltext - Previous draft version - Full text

2014-04-11
09:28
 Advances in the Understanding of the Physical Processes of Vacuum Breakdown / Wuensch, Walter (CERN) Advances in the fundamental understanding of vacuum breakdown achieved during the program to develop high-gradient accelerating structures for a TeV-range linear collider project are described.. CERN-OPEN-2014-028 ; clic_note_1025. - 2013. - 18 p. Preprint

2014-04-11
09:07
 Observation of the resonant character of the $Z(4430)^-$ state Resonant structures in $B^0\to\psi'\pi^-K^+$ decays are analyzed by performing a four-dimensional fit of the decay amplitude, using $pp$ collision data corresponding to $\rm 3~fb^{-1}$ collected with the LHCb detector. [...] CERN-PH-EP-2014-061 ; LHCB-PAPER-2014-014. - 2014. Fulltext - Previous draft version - Related data file(s)

2014-04-11
04:37
 Spectator Effects during Leptogenesis in the Strong Washout Regime / Garbrecht, Bjorn ; Schwaller, Pedro By including spectator fields into the Boltzmann equations for Leptogenesis, we show that partially equilibrated spectator interactions can have a significant impact on the freeze-out value of the asymmetry in the strong washout regime. [...] arXiv:1404.2915 ; TUM-HEP-938-14 ; CERN-PH-TH-2014-059. - 2014. - 23 p. Preprint

2014-04-10
11:15
 Focussing in a synchrotron with periodic field : perturbation treatment / Sigurgeirsson, Thorbjørn CERN-T-TS-3. - Geneva : CERN, May 1953. - 14 p. Full text