P. Srisawad

Suranaree University of Technology

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P. Achenbach

Thomas Jefferson National Accelerator Facility

B. Cederwall

KTH Royal Institute of Technology

Ajay Kumar

Sardar Vallabhbhai National Institute of Technology Surat

R. Kliemt

GSI Helmholtz Centre for Heavy Ion Research

V. Rigato

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro

M. Thiel

Johannes Gutenberg University Mainz

K. Korcyl

Institute of Nuclear Physics, Polish Academy of Sciences

T. Fiutowski

AGH University of Krakow

D. Melnychuk

National Centre for Nuclear Research

D. Rodríguez Piñeiro

Johannes Gutenberg University Mainz

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GSI Helmholtz Centre for Heavy Ion Research

118

Joint Institute for Nuclear Research

109

Johannes Gutenberg University Mainz

Kurchatov Institute

Forschungszentrum Jülich

University of Giessen

Ruhr University Bochum

Institute of High Energy Physics

European Organization for Nuclear Research

Helmholtz Institute Mainz

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Study of Excited $\Xi$ Baryons with the PANDA Detector

HAL (Le Centre pour la Communication Scientifique Directe) (2021)

G. Barucca F. Davi G. Lancioni P. Mengucci L. Montalto

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Feasibility studies of time-like proton electromagnetic form factors at $\overline{\rm P}$ P ¯ ANDA at FAIR

The European Physical Journal A (2016)

B. P. Singh W. Erni B. Krusche M. Steinacher N. K. Walford

Simulation results for future measurements of electromagnetic proton form factors at $\overline{\rm P}$ ANDA (FAIR) within the PandaRoot software framework are reported. The statistical precision with which the proton form factors can be determined is estimated. The signal channel $\bar{p}p\rightarrow e^{+}e^{-}$ is studied on the basis of two different but consistent procedures. The suppression of the main background channel, i.e. $\bar{p}p\rightarrow \pi^{+}\pi^{-}$ , is studied. Furthermore, the background versus signal efficiency, statistical and systematical uncertainties on the extracted proton form factors are evaluated using two different procedures. The results are consistent with those of a previous simulation study using an older, simplified framework. However, a slightly better precision is achieved in the PandaRoot study in a large range of momentum transfer, assuming the nominal beam conditions and detector performance.

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Statistical error

Momentum transfer

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10.1140/epja/i2016-16325-5

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Study of excited $$\varvec{\varXi }$$ baryons with the $$\overline{\text{ P }}$$ANDA detector

The European Physical Journal A (2021)

G. Barucca Fabrizio Davı́Giovanni Lancioni P. Mengucci Luigi Montalto

The study of baryon excitation spectra provides insight into the inner structure of baryons. So far, most of the world-wide efforts have been directed towards $N^*$ and $\Delta$ spectroscopy. Nevertheless, the study of the double and triple strange baryon spectrum provides independent information to the $N^*$ and $\Delta$ spectra. The future antiproton experiment PANDA will provide direct access to final states containing a $\bar{\Xi}\Xi$ pair, for which production cross sections up to $\mu$b are expected in $\bar{p}p$ reactions. With a luminosity of $L=10^{31}\,cm^{-2}s^{-1}$ in the first phase of the experiment, the expected cross sections correspond to a production rate of $\sim 10^6$ events$/$day. With a nearly $4\pi$ detector acceptance, PANDA will thus be a hyperon factory. In this study, reactions of the type $\bar{p}p\rightarrow \bar{\Xi}^+ \Xi^{*-}$ as well as $\bar{p}p\rightarrow \bar{\Xi}^{*+} \Xi^{-}$ with various decay modes are investigated. For the exclusive reconstruction of the signal events a full decay tree fit is used, resulting in reconstruction efficiencies between $3\,\%$ and $5\,\%$. This allows high statistics data to be collected within a few weeks of data taking.

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10.1140/epja/s10050-021-00444-5

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Feasibility study for the measurement of πN transition distribution amplitudes at P¯<…

Physical review. D/Physical review. D. (2017)

B. P. Singh W. Erni B. Krusche M. Steinacher N. K. Walford

The exclusive charmonium production process in $\overline{p}p$ annihilation with an associated ${\ensuremath{\pi}}^{0}$ meson $\overline{p}p\ensuremath{\rightarrow}J/\ensuremath{\psi}{\ensuremath{\pi}}^{0}$ is studied in the framework of QCD collinear factorization. The feasibility of measuring this reaction through the $J/\ensuremath{\psi}\ensuremath{\rightarrow}{e}^{+}{e}^{\ensuremath{-}}$ decay channel with the AntiProton ANnihilation at DArmstadt ($\overline{\mathsf{P}}\mathsf{ANDA}$) experiment is investigated. Simulations on signal reconstruction efficiency as well as the background rejection from various sources including the $\overline{p}p\ensuremath{\rightarrow}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{0}$ and $\overline{p}p\ensuremath{\rightarrow}J/\ensuremath{\psi}{\ensuremath{\pi}}^{0}{\ensuremath{\pi}}^{0}$ reactions are performed with PandaRoot, the simulation and analysis software framework of the $\overline{\mathsf{P}}\mathsf{ANDA}$ experiment. It is shown that the measurement can be done at $\overline{\mathsf{P}}\mathsf{ANDA}$ with significant constraining power under the assumption of an integrated luminosity attainable in four to five months of data taking at the maximum design luminosity.

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Antiproton

10.1103/physrevd.95.032003

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Citations (29)