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A high statistics sample of photoproduced charm particles from the FOCUS(E831) experiment at Fermilab has been used to measure the D0 and D+ lifetimes. Using about 210000 D0 and 110000 D+ events we obtained the following values: 409.6 +/-…

High Energy Physics - Experiment · Physics 2012-08-27 The FOCUS collaboration

The production of excited charm, D_1(2420)^0 and D_2^*(2460)^0, and charm-strange, D_{s1}(2536)^+-, mesons in ep collisions was measured with the ZEUS detector at HERA using an integrated luminosity of 126 pb^-1. Masses, widths and helicity…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Recent results on $B_d$, $B_u^{\pm}$, $B_s$, $\Lambda_b$ and Charm hadrons are reported from $\approx$ 75pb$^{-1}$ and $\approx$ 40 pb$^{-1}$ of data accumulated at the upgraded CDF and D0 experiments at the Fermilab Tevatron $\bar{p}-p$…

High Energy Physics - Experiment · Physics 2010-11-23 Farrukh Azfar

Measurements of open charm hadro-production from CERN and Fermilab experiments are reviewed, with particular emphasis on the absolute cross sections and on their A and sqrt(s) dependences. Differential pt and xf cross sections calculated…

Nuclear Experiment · Physics 2015-06-26 P. Braun-Munzinger , D. Miskowiec , A. Drees , C. Lourenco

We have measured the polarization of Lambda0 and antiLambda0 inclusively produced by 610GeV/c Sigma- and 525GeV/c proton beams in the experiment SELEX during the 1996/7 fixed target run at Fermilab. The polarization was measured as a…

High Energy Physics - Experiment · Physics 2007-06-26 SELEX Collaboration , J. L. Sanchez-Lopez , K. D. Nelson , J. Engelfried

Charm production in deep inelastic ep scattering was measured with the ZEUS detector using an integrated luminosity of 354 pb^{-1}. Charm quarks were identified by reconstructing D^{+} mesons in the D^{+} -> K^{-} pi^{+} pi^{+} decay…

High Energy Physics - Experiment · Physics 2013-02-21 ZEUS Collaboration

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The charm cross section sigma(gamma gamma…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

Heavy flavour production and spectroscopy are key components of the HERA physics programme. I will summarise a selection of the recent results obtained by the H1 and ZEUS collaborations. The production of excited charm mesons and J/psi will…

High Energy Physics - Experiment · Physics 2019-08-14 Markus Jüngst

Charm production in charged current deep inelastic scattering has been measured for the first time in $e^{\pm}p$ collisions, using data collected with the ZEUS detector at HERA, corresponding to an integrated luminosity of $358 pb^{-1}$.…

The heavy-ion programme of the NA61/SHINE experiment at the CERN SPS has been expanded to allow precise measurements of exotic particles with short lifetime. The study of open charm meson production is a sensitive tool for new detailed…

Nuclear Experiment · Physics 2018-10-10 Anastasia Merzlaya

I report BESIII preliminary results on: 1 Measurement of sigma(e+e- ->DDbar at Ecm = 3.773 GeV 2 Study of the DDbar production line shape near Ecm = 3.773 GeV 3 The first observation of singly Cabibbo-suppressed decay, D -> omega pi 4…

High Energy Physics - Experiment · Physics 2015-09-25 Hajime Muramatsu

We report on measurements of differential cross sections d sigma/d p_t for prompt charm meson production in p anti-p collisions at s**(1/2) = 1.96 TeV using 5.8 +/- 0.3 pb-1 of data from the CDF II detector at the Fermilab Tevatron. The…

High Energy Physics - Experiment · Physics 2010-05-12 The CDF Collaboration , D. Acosta

The elaborate analysis of spectrum of charmonium states and charmed hybrids in the mass region over DD-threshold is given. The combined approach based on the potential model and relativistic spherical symmetric top model for decay products…

High Energy Physics - Phenomenology · Physics 2011-08-31 M. Yu. Barabanov , A. S. Vodopyanov , V. Kh. Dodokhov , V. A. Babkin

We present highly excited spectra of charmonium, charm-light and charm-strange mesons using the dynamical anisotropic lattices of the Hadron Spectrum Collaboration. The use of novel techniques has allowed us to extract these spectra with a…

High Energy Physics - Lattice · Physics 2013-12-06 Graham Moir , Michael Peardon , Sinead M. Ryan , Christopher E. Thomas , Liuming Liu

Light and charmed hadrons are produced copiously in ep collisions with a centre-of-mass energy of 318 GeV at HERA. Results of the ZEUS Collaboration on pentaquark searches, deuteron and antideuteron production and charmed-meson…

High Energy Physics - Experiment · Physics 2007-05-23 Leonid Gladilin

Pion Virtual Compton Scattering (VCS) via the reaction pi e --> pi e gamma was observed in the Fermilab E781 SELEX experiment. SELEX used a 600 GeV/c pi- beam incident on target atomic electrons, detecting the incident pi- and the final…

High Energy Physics - Experiment · Physics 2012-08-27 FNAL SELEX Collaboration

About 2.9 fb$^{-1}$ data set had been collected with the BESIII detector at the BEPCII collider. Taking advantages of data near open-charm threshold, we present preliminary results on leptonic and semileptonic charm-meson decays, as well as…

High Energy Physics - Experiment · Physics 2015-06-11 Hai-Bo Li

We report here results on charm and strange hadron spectra. Adopting a mixed action approach, we use overlap fermions for valence quarks, on a background of 2+1+1 flavours HISQ gauge configurations of MILC collaboration. Two lattice…

High Energy Physics - Lattice · Physics 2012-11-28 S. Basak , S. Datta , M. Padmanath , P. Majumdar , N. Mathur

The measurement of open charm meson production provides a tool for the investigation of the properties of the hot and dense matter created in nucleus-nucleus collisions at relativistic energies. In particular, charm mesons are of vivid…

Nuclear Experiment · Physics 2024-11-01 Anastasia Merzlaya , the NA61/SHINE Collaboration

Using data recorded by the CLEO III detector at CESR, we have made measurements of some properties of the Sigma_c^{*++} and Sigma_c^{*0} charmed baryons. In particular: Gamma(Sigma_c^{*++})=14.4^{+1.6}_{-1.5}+-1.4 MeV,…

High Energy Physics - Experiment · Physics 2010-04-08 S. B. Athar
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