Article

# Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons

03/2009;
Source: arXiv

ABSTRACT To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitations, the physics of strange and charm quarks and nucleon structure studies will be performed with unprecedented accuracy thereby allowing high-precision tests of the strong interaction. The proposed PANDA detector is a state-of-the art internal target detector at the HESR at FAIR allowing the detection and identification of neutral and charged particles generated within the relevant angular and energy range. This report presents a summary of the physics accessible at PANDA and what performance can be expected. Comment: 216 pages

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##### Article: Development of electromagnetic calorimeter detectors and simulations for spectroscopic measurements of charmonium with PANDA
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ABSTRACT: The subject of the thesis is the study of electromagnetic transitions in charmonium with PANDA. The possible registration of the $h_c$ state in charmonium, observed recently by the E760 and E835 Fermilab experiments, is used for demonstration of the physics performance of the PANDA detector. The measurement of the angular distribution of $\gamma$-rays from radiative transitions can be used for the verification of its $J^{PC}$ quantum numbers. The electromagnetic calorimeter of the PANDA detector is the crucial component for this studies from the point of view of signal registration and background suppression. Comment: PhD Thesis (The Andrzej Soltan Institute for Nuclear Studies, Warsaw, Poland), Defended on November 2009, 152 pages
03/2010;
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##### Article: Large Q2 Electrodisintegration of the Deuteron in Virtual Nucleon Approximation
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ABSTRACT: The two-body break up of the deuteron is studied at high $Q^2$ kinematics, with main motivation to probe the deuteron at small internucleon distances. Such studies are associated with the probing of high momentum component of the deuteron wave function. For this, two main theoretical issues have been addressed such as electromagnetic interaction of the virtual photon with the bound nucleon and the strong interaction of produced baryons in the final state of the break-up reaction. Within virtual nucleon approximation we developed a new prescription to account for the bound nucleon effects in electromagnetic interaction. The final state interaction at high $Q^2$ kinematics is calculated within generalized eikonal approximation (GEA). We studied the uncertainties involved in the calculation and performed comparisons with the first experimental data on deuteron electrodisintegration at large $Q^2$. We demonstrate that the experimental data confirm GEA's early prediction that the rescattering is maximal at $\sim 70^0$ of recoil nucleon production relative to the momentum of the virtual photon. Comparisons also show that the forward recoil nucleon angles are best suited for studies of the electromagnetic interaction of bound nucleons and the high momentum structure of the deuteron. Backward recoil angle kinematics show sizable effects due to the $\Delta$-isobar contribution. The latter indicates the importance of further development of GEA to account for the inelastic transitions in the intermediate state of the electrodisintegration reactions. Comment: 22 pages, 9 figures
Physical Review C 10/2009; · 3.72 Impact Factor
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##### Article: Production of excited double hypernuclei via Fermi breakup of excited strange systems
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ABSTRACT: Precise spectroscopy of multi-strange hypernuclei provides a unique chance to explore the hyperon–hyperon interaction. In the present work we explore the production of excited states in double hypernuclei following the micro-canonical break-up of an initially excited double hypernucleus which is created by the absorption and conversion of a stopped Ξ− hyperon. Rather independent on the spectrum of possible excited states in the produced double hypernuclei the formation of excited states dominates in our model. For different initial target nuclei which absorb the Ξ−, different double hypernuclei nuclei dominate. Thus the ability to assign the various observable γ-transitions in a unique way to a specific double hypernuclei by exploring various light targets as proposed by the Panda Collaboration seems possible. We also confront our predictions with the correlated pion spectra measured by the E906 Collaboration.
Physics Letters B 01/2011; · 4.57 Impact Factor