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Related papers: Inclusive Hadron Yields from Ds+ Decays

200 papers

I present here a selection of preliminary results on charmed hadron decays from BESIII collaboration, including the study of $D^{+}\to K^{-}\pi^{+}e^{+}\nu_{e}$, the measurement of the form factors in $D^{+}\to \omega e^{+}\nu_{e}$ and the…

High Energy Physics - Experiment · Physics 2019-08-13 Liaoyuan Dong

We discuss the recent developments in inclusive decays of hadrons containing a heavy quark. The subject is approached in a model independent way using an operator product expansion for the time-ordered product of weak currents. We discuss…

High Energy Physics - Phenomenology · Physics 2009-10-28 Martin J. Savage

We study exclusive chi_c0, chi_c1 and chi_c2 decays to four-hadron final states involving two charged and two neutral mesons: pi^+pi^-pi^0pi^0, K^+K^-pi^0pi^0, pppi^0pi^0, K^+K^-etapi^0, and K^+-pi^-+K^0pi^0o. The chi_c states are produced…

High Energy Physics - Experiment · Physics 2010-04-08 Q. He

Measurements of the total cross section of e+e- -> hadrons are presented in two different ranges of centre-of-mass energy. The measurements are made using the CLEO III and CLEO-c detectors at the Cornell Electron Storage Ring. The absolute…

High Energy Physics - Experiment · Physics 2008-11-07 CLEO Collaboration , Jim Libby

We report preliminary measurements of absolute hadronic branching fractions of Ds mesons determined using a double tag technique. These measurements are from 195 pb^{-1} of e+e- collisions recorded at center of mass energies near 4.17 GeV…

High Energy Physics - Experiment · Physics 2007-05-23 N. Adam , CLEO Collaboration

Quantum-correlated psi(3770)->DDbar decays collected by the CLEO-c experiment are used to perform first measurements of F+, the fractional CP-even content of the self-conjugate decays D->pi+pi-pi0 and D->K+K-pi0. Values of 0.968 +/- 0.017…

High Energy Physics - Experiment · Physics 2015-01-05 M. Nayak , J. Libby , S. Malde , C. Thomas , G. Wilkinson , R. A. Briere , P. Naik , T. Gershon , G. Bonvicini

Using a data sample with integrated luminosity of about 3.9 fb^{-1} collected in e+ e- annihilation with the CLEO-II detector at the Cornell Electron Storage Ring, we have measured the branching ratios for the decay modes Ds -> (eta, eta')…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , C. P. Jessop et al

Our analysis suggests that the charmless yield in B decays is enhanced over traditional estimates. The c c.bar pair produced in b to c c.bar transitions may be seen significantly as light hadrons due to non-perturbative effects. Existing…

High Energy Physics - Phenomenology · Physics 2016-11-03 Isard Dunietz

Using the entire CLEO-c \psi(3770)-> D\bar{D} event sample, corresponding to an integrated luminosity of $818 pb^-1 and approximately 5.4 million D\bar{D} events, we present a study of the decays D^0 -> \pi^- e^+ \nu_e, D^0 -> K^- e^+…

High Energy Physics - Experiment · Physics 2010-04-08 The CLEO Collaboration , D. Besson

The tau decays to four hadrons have been studied with the CLEO III detector at the Cornell Electron Storage Ring (CESR) using (7.56 +- 0.15) fb^{-1} of data collected near the Y(4S) resonance. We present the first statistically significant…

High Energy Physics - Experiment · Physics 2010-04-08 K. Arms , CLEO Collaboration

We present results for the inclusive semileptonic $D_s \to X_s \ell\bar\nu$ decay rate from lattice QCD. Chiral and continuum extrapolations are performed using gauge ensembles generated with 2+1 flavours of M\"obius domain-wall fermions.…

High Energy Physics - Lattice · Physics 2026-04-27 Ryan Kellermann , Alessandro Barone , Ahmed Elgaziari , Shoji Hashimoto , Zhi Hu , Andreas Jüttner , Takashi Kaneko

I present highlights of recent CLEO results on the hadronic decay modes of the B meson. Topics covered include two body rare B decays modes, a new measurement of $(B^0 \to D^0 K^+) / (B^0 \to D^0 \pi^+)$, an in depth study of the decay $B^0…

High Energy Physics - Experiment · Physics 2007-05-23 J. E. Duboscq

Measurements are reported of the production of high energy pi^0 mesons at large pseudorapidity, coincident with charged hadrons at mid-rapidity, for proton+proton and deuteron+gold collisions at sqrt{s_{NN}}=200 GeV. The p+p cross section…

Nuclear Experiment · Physics 2019-08-14 G. Rakness

We report measurements of the inclusive electron energy spectrum and hadron invariant mass spectrum for charmed semileptonic decays of B mesons in a 140 fb^-1 data sample collected with the Belle detector at the KEKB e+e- collider. We…

High Energy Physics - Experiment · Physics 2019-08-14 Phillip Urquijo

PHENIX has extended the measurement of the pi0, eta, identified and inclusive charged hadron up to 20 GeV/c, and extended the measurement to the Cu+Cu collision system. A strong suppression is observed for both pi0 and charged hadron yields…

Nuclear Experiment · Physics 2007-05-23 Maya Shimomura

New measurements of Ds+ and Ds*+ meson production rates from B decays and from qqbar continuum events near the Y(4S) resonance are presented. Using 20.8 fb-1 of data on the Y(4S) resonance and 2.6 fb-1 off resonance, we find the inclusive…

High Energy Physics - Experiment · Physics 2008-11-26 The BABAR Collaboration , B. Aubert

Inclusive hadronic decays of the $\tau$ lepton are very interesting from the phenomenological point of view since they give access to the CKM matrix elements $V_{ud}$ and $V_{us}$. In this paper, for the first time, by employing the HLT…

Measurements of the inclusive yields of pi0 mesons in p+p and d+Au collisions at center of mass energy sqrt(s_NN)=200 GeV and pseudorapidity <eta>=4.00 (d beam direction) are reported. The yield for p+p collisions is in general agreement…

High Energy Physics - Experiment · Physics 2019-08-14 G. Rakness

We present new results from the study of B decays at SLD: a measurement of the inclusive double-charm branching fraction in B-hadron decays and a search for the rare exclusive charmless decays B+ --> Rho0 Pi+(K+) and B+ --> K*0 Pi+(K+).…

High Energy Physics - Experiment · Physics 2007-05-23 M. Daoudi

We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high $p_T$) in minimum bias and central d+Au collisions at $\sqrt{s_{NN}}$=200 GeV. The…

Nuclear Experiment · Physics 2008-11-26 J. Adams