M. Sachs

University of Giessen

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Co-Authors

O. Mündt

University of Stuttgart

P. Achenbach

Thomas Jefferson National Accelerator Facility

V. Rodin

University of Groningen

B. Cederwall

KTH Royal Institute of Technology

M. Urban

University of Bonn

E. Pyata

Budker Institute of Nuclear Physics

Ajay Kumar

Sardar Vallabhbhai National Institute of Technology Surat

R. Kliemt

GSI Helmholtz Centre for Heavy Ion Research

G. Becker

University of Stuttgart

M. Yu. Barabanov

Joint Institute for Nuclear Research

Cooperative Institutions

Kurchatov Institute

107

GSI Helmholtz Centre for Heavy Ion Research

103

Ruhr University Bochum

Johannes Gutenberg University Mainz

Institute of High Energy Physics

Joint Institute for Nuclear Research

University of Giessen

Forschungszentrum Jülich

European Organization for Nuclear Research

Institute for High Energy Physics

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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.

Bar (unit)

10.1140/epja/s10050-021-00444-5

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Citations (6)

CCDC 117117: Experimental Crystal Structure Determination

The Cambridge Structural Database (1999)

G. Becker W. Golla Joseph Grobe K.W. Klinkhammer D. Le Van

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

Crystal (programming language)

10.5517/cc3xvzt

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Citations (0)

Simultaneous nuclide indentification and energy measurement of nuclear reaction products

Nuclear Instruments and Methods (1961)

Carl E. Anderson D. A. Bromley M. Sachs

Nuclide

Alpha particle

Isotopes of boron

Isotopes of lithium

Carbon fibers

10.1016/0029-554x(61)90197-5

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Citations (14)

THE REACTION $sup 18$O + $sup 12$C $Yields$ $sup 16$O + $sup 14$C.

G. Goldring M. Loebenstein I. Plesser M. Sachs

Source

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CCDC 103733: Experimental Crystal Structure Determination

The Cambridge Structural Database (2001)

G. Becker O. Mündt M. Sachs H.J. Breunig E. Lork

10.5517/cc3gy7q

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Citations (0)

CCDC 153615: Experimental Crystal Structure Determination

The Cambridge Structural Database (2001)

G. Becker O. Mündt M. Sachs H.J. Breunig Enno Lork

Crystal (programming language)

10.5517/cc54vbg

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The potential of $$\varLambda $$ and $$\varXi ^-$$ studies with PANDA at FAIR

The European Physical Journal A (2021)

G. Barucca Fabrizio Davı́Giovanni Lancioni P. Mengucci Luigi Montalto

The antiproton experiment PANDA at FAIR is designed to bring hadron physics to a new level in terms of scope, precision and accuracy. In this work, its unique capability for studies of hyperons is outlined. We discuss ground-state hyperons as diagnostic tools to study non-perturbative aspects of the strong interaction, and fundamental symmetries. New simulation studies have been carried out for two benchmark hyperon-antihyperon production channels: $\bar{p}p \to \bar{\Lambda}\Lambda$ and $\bar{p}p \to \bar{\Xi}^+\Xi^-$. The results, presented in detail in this paper, show that hyperon-antihyperon pairs from these reactions can be exclusively reconstructed with high efficiency and very low background contamination. In addition, the polarisation and spin correlations have been studied, exploiting the weak, self-analysing decay of hyperons and antihyperons. Two independent approaches to the finite efficiency have been applied and evaluated: one standard multidimensional efficiency correction approach, and one efficiency independent approach. The applicability of the latter was thoroughly evaluated for all channels, beam momenta and observables. The standard method yields good results in all cases, and shows that spin observables can be studied with high precision and accuracy already in the first phase of data taking with PANDA.

10.1140/epja/s10050-021-00386-y

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Citations (17)

CCDC 117116: Experimental Crystal Structure Determination

The Cambridge Structural Database (1999)

G. Becker W. Golla Joseph Grobe K.W. Klinkhammer D. Le Van

Crystal (programming language)

10.5517/cc3xvys

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Citations (0)

CCDC 153616: Experimental Crystal Structure Determination

The Cambridge Structural Database (2001)