Hayk Hakobyan

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• The College of William and Mary group is actively involved in this proposal, as well as several other proposals using CLAS12. Other members of our group are also pursuing a proposal for Hall A, but their contributions are not included here. Among CLAS12 baseline equipment, the group is committed to building part of the forward tracking system, but the(More)
We report the exclusive photoproduction cross sections for the Σ 0 (1385), Λ(1405), and Λ(1520) in the reactions γ + p → K + + Y * using the CLAS detector for energies from near the respective production thresholds up to a center-of-mass energy W of 2.85 GeV. The differential cross sections are integrated to give the total exclusive cross sections for each(More)
We present a search for ten baryon-number violating decay modes of Λ hyperons using the CLAS detector at Jefferson Laboratory. Nine of these decay modes result in a single meson and single lepton in the final state (Λ → mm) and conserve either the sum or the difference of baryon and lepton number (B ± L). The tenth decay mode (Λ → ¯ pπ +) represents a(More)
The reaction γ + p → K + + Σ + π was used to determine the invariant mass distributions or " line shapes " of the Σ + π − , Σ − π + and Σ 0 π 0 final states, from threshold at 1328 MeV/c 2 through the mass range of the Λ(1405) and the Λ(1520). The measurements were made with the CLAS system at Jefferson Lab using tagged real photons, for center-of-mass(More)
The exclusive reaction p ! p þ À was studied in the photon energy range 3.0–3.8 GeV and the momentum transfer range 0:4 < Àt < 1:0 GeV 2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. In this kinematic range, the integrated luminosity was about 20 pb À1. The reaction was isolated by detecting the þ and(More)