K^+\Lambda$(1405) photoproduction at the BGO-OD experiment
Since the discovery of the $\Lambda(1405)$, it remains poorly described by conventional constituent quark models, and it is a candidate for having an "exotic" meson-baryon or "penta-quark" structure, similar to states recently reported in the hidden charm sector. The $\Lambda(140...
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| creator | Scheluchin, Georg Alef, Stefan Bauer, Patrick Beck, Reinhard Braghieri, Alessandro Cole, Philip Di Salvo, Rachele Elsner, Daniel Fantini, Alessia Freyermuth, Oliver Ghio, Francesco Gridnev, Anatoly Hammann, Daniel Hannappel, Jürgen Jude, Thomas Kohl, Katrin Kozlenko, Nikolay Lapik, Alexander Sandri, Paolo Levi Lisin, Valery Mandaglio, Giuseppe Messi, Roberto Moricciani, Dario Nedorezov, Vladimir Novinsky, Dmitry Pedroni, Paolo Polonski, Andrei Reitz, Björn-Eric Romaniuk, Mariia Schmieden, Hartmut Sumachev, Victorin Tarakanov, Viacheslav Tillmanns, Christian |
| description | Since the discovery of the $\Lambda(1405)$, it remains poorly described by
conventional constituent quark models, and it is a candidate for having an
"exotic" meson-baryon or "penta-quark" structure, similar to states recently
reported in the hidden charm sector.
The $\Lambda(1405)$ can be produced in the reaction $\gamma p \rightarrow
K^+\Lambda(1405)$. The pure I=0 decay mode into $\Sigma^0\pi^0$ is prohibited
for the mass-overlapping $\Sigma(1385)$. Combining a large aperture forward
magnetic spectrometer and a central BGO crystal calorimeter, the BGO-OD
experiment is ideally suited to measure this decay with the $K^+$ in the
forward direction. Preliminary results are presented.
*Supported by DFG (PN 388979758, 405882627). |
| doi_str_mv | 10.48550/arxiv.2007.08898 |
| format | Article |
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conventional constituent quark models, and it is a candidate for having an
"exotic" meson-baryon or "penta-quark" structure, similar to states recently
reported in the hidden charm sector.
The $\Lambda(1405)$ can be produced in the reaction $\gamma p \rightarrow
K^+\Lambda(1405)$. The pure I=0 decay mode into $\Sigma^0\pi^0$ is prohibited
for the mass-overlapping $\Sigma(1385)$. Combining a large aperture forward
magnetic spectrometer and a central BGO crystal calorimeter, the BGO-OD
experiment is ideally suited to measure this decay with the $K^+$ in the
forward direction. Preliminary results are presented.
*Supported by DFG (PN 388979758, 405882627).</description><identifier>DOI: 10.48550/arxiv.2007.08898</identifier><language>eng</language><subject>Physics - Nuclear Experiment</subject><creationdate>2020-07</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2007.08898$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2007.08898$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Scheluchin, Georg</creatorcontrib><creatorcontrib>Alef, Stefan</creatorcontrib><creatorcontrib>Bauer, Patrick</creatorcontrib><creatorcontrib>Beck, Reinhard</creatorcontrib><creatorcontrib>Braghieri, Alessandro</creatorcontrib><creatorcontrib>Cole, Philip</creatorcontrib><creatorcontrib>Di Salvo, Rachele</creatorcontrib><creatorcontrib>Elsner, Daniel</creatorcontrib><creatorcontrib>Fantini, Alessia</creatorcontrib><creatorcontrib>Freyermuth, Oliver</creatorcontrib><creatorcontrib>Ghio, Francesco</creatorcontrib><creatorcontrib>Gridnev, Anatoly</creatorcontrib><creatorcontrib>Hammann, Daniel</creatorcontrib><creatorcontrib>Hannappel, Jürgen</creatorcontrib><creatorcontrib>Jude, Thomas</creatorcontrib><creatorcontrib>Kohl, Katrin</creatorcontrib><creatorcontrib>Kozlenko, Nikolay</creatorcontrib><creatorcontrib>Lapik, Alexander</creatorcontrib><creatorcontrib>Sandri, Paolo Levi</creatorcontrib><creatorcontrib>Lisin, Valery</creatorcontrib><creatorcontrib>Mandaglio, Giuseppe</creatorcontrib><creatorcontrib>Messi, Roberto</creatorcontrib><creatorcontrib>Moricciani, Dario</creatorcontrib><creatorcontrib>Nedorezov, Vladimir</creatorcontrib><creatorcontrib>Novinsky, Dmitry</creatorcontrib><creatorcontrib>Pedroni, Paolo</creatorcontrib><creatorcontrib>Polonski, Andrei</creatorcontrib><creatorcontrib>Reitz, Björn-Eric</creatorcontrib><creatorcontrib>Romaniuk, Mariia</creatorcontrib><creatorcontrib>Schmieden, Hartmut</creatorcontrib><creatorcontrib>Sumachev, Victorin</creatorcontrib><creatorcontrib>Tarakanov, Viacheslav</creatorcontrib><creatorcontrib>Tillmanns, Christian</creatorcontrib><title>K^+\Lambda$(1405) photoproduction at the BGO-OD experiment</title><description>Since the discovery of the $\Lambda(1405)$, it remains poorly described by
conventional constituent quark models, and it is a candidate for having an
"exotic" meson-baryon or "penta-quark" structure, similar to states recently
reported in the hidden charm sector.
The $\Lambda(1405)$ can be produced in the reaction $\gamma p \rightarrow
K^+\Lambda(1405)$. The pure I=0 decay mode into $\Sigma^0\pi^0$ is prohibited
for the mass-overlapping $\Sigma(1385)$. Combining a large aperture forward
magnetic spectrometer and a central BGO crystal calorimeter, the BGO-OD
experiment is ideally suited to measure this decay with the $K^+$ in the
forward direction. Preliminary results are presented.
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conventional constituent quark models, and it is a candidate for having an
"exotic" meson-baryon or "penta-quark" structure, similar to states recently
reported in the hidden charm sector.
The $\Lambda(1405)$ can be produced in the reaction $\gamma p \rightarrow
K^+\Lambda(1405)$. The pure I=0 decay mode into $\Sigma^0\pi^0$ is prohibited
for the mass-overlapping $\Sigma(1385)$. Combining a large aperture forward
magnetic spectrometer and a central BGO crystal calorimeter, the BGO-OD
experiment is ideally suited to measure this decay with the $K^+$ in the
forward direction. Preliminary results are presented.
*Supported by DFG (PN 388979758, 405882627).</abstract><doi>10.48550/arxiv.2007.08898</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Nuclear Experiment |
| title | K^+\Lambda$(1405) photoproduction at the BGO-OD experiment |
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