arXiv · 2008.08215
Strange Hadron Spectroscopy with Secondary KL Beam in Hall D
Abstract
We propose to create a secondary beam of neutral kaons in Hall D at Jefferson Lab to be used with the GlueX experimental setup for strange hadron spectroscopy. The superior CEBAF electron beam will enable a flux on the order of $1\times 10^4~K_L/sec$, which exceeds the flux of that previously attained at SLAC by three orders of magnitude. The use of a deuteron target will provide first measurements ever with neutral kaons on neutrons. The experiment will measure both differential cross sections and self-analyzed polarizations of the produced $\Lambda$, $\Sigma$, $\Xi$, and $\Omega$ hyperons using the GlueX detector at the Jefferson Lab Hall D. The measurements will span CM $\cos\theta$ from $-0.95$ to 0.95 in the range W = 1490 MeV to 2500 MeV. The new data will significantly constrain the partial wave analyses and reduce model-dependent uncertainties in the extraction of the properties and pole positions of the strange hyperon resonances, and establish the orbitally excited multiplets in the spectra of the $\Xi$ and $\Omega$ hyperons. Comparison with the corresponding multiplets in the spectra of the charm and bottom hyperons will provide insight into he accuracy of QCD-based calculations over a large range of masses. The proposed facility will have a defining impact in the strange meson sector through measurements of the final state $K\pi$ system up to 2 GeV invariant mass. This will allow the determination of pole positions and widths of all relevant $K^\ast(K\pi)$ $S$-,$P$-,$D$-,$F$-, and $G$-wave resonances, settle the question of the existence or nonexistence of scalar meson $\kappa/K_0^\ast(700)$ and improve the constrains on their pole parameters. Subsequently improving our knowledge of the low-lying scalar nonet in general.
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KLF Collaboration, Moskov Amaryan, Mikhail Bashkanov, Sean Dobbs, James Ritman, Justin Stevens, Igor Strakovsky, Shankar Adhikari, Arshak Asaturyan, Alexander Austregesilo, Marouen Baalouch, Vitaly Baturin, Vladimir Berdnikov, Olga Cortes Becerra, Timothy Black, Werner Boeglin, William Briscoe, William Brooks, Volker Burkert, Eugene Chudakov, Geraint Clash, Philip Cole, Volker Crede, Donal Day, Pavel Degtyarenko, Alexandre Deur, Gail Dodge, Anatoly Dolgolenko, Simon Eidelman, Hovanes Egiyan, Denis Epifanov, Paul Eugenio, Stuart Fegan, Alessandra Filippi, Sergey Furletov, Liping Gan, Franco Garibaldi, Ashot Gasparian, Gagik Gavalian, Derek Glazier, Colin Gleason, Vladimir Goryachev, Lei Guo, David Hamilton, Avetik Hayrapetyan, Garth Huber, Andrew Hurley, Charles Hyde, Isabella Illari, David Ireland, Igal Jaegle, Kyungseon Joo, Vanik Kakoyan, Grzegorz Kalicy, Mahmoud Kamel, Christopher Keith, Chan Wook Kim, Eberhard Klemp, Geoffrey Krafft, Sebastian Kuhn, Sergey Kuleshov, Alexander Laptev, Ilya Larin, David Lawrence, Daniel Lersch, Wenliang Li, Kevin Luckas, Valery Lyubovitskij, David Mack, Michael McCaughan, Mark Manley, Hrachya Marukyan, Vladimir Matveev, Mihai Mocanu, Viktor Mokeev, Curtis Meyer, Bryan McKinnon, Frank Nerling, Matthew Nicol, Gabriel Niculescu, Alexander Ostrovidov, Zisis Papandreou, KiJun Park, Eugene Pasyuk, Peter Pauli, Lubomir Pentchev, William Phelps, John Price, Jorg Reinhold, Dimitri Romanov, Carlos Salgado, Todd Satogata, Susan Schadmand, Amy Schertz, Axel Schmidt, Daniel Sober, Alexander Somov, Sergei Somov, Victor Tarasov, Simon Taylor. 2020-08-19. Strange Hadron Spectroscopy with Secondary KL Beam in Hall D. https://arxiv.org/abs/2008.08215
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