The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation

The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum. This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictio...
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Autor*in:	Pablo G. Ortega [verfasserIn] Jorge Segovia [verfasserIn] David R. Entem [verfasserIn] Francisco Fernández [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Potential models Quark models Coupled-channels calculation Charmed strange mesons

Übergeordnetes Werk:	In: Physics Letters B - Elsevier, 2015, 827(2022), Seite 136998-
Übergeordnetes Werk:	volume:827 ; year:2022 ; pages:136998-

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.physletb.2022.136998

Katalog-ID:	DOAJ007355246

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spelling	10.1016/j.physletb.2022.136998 doi (DE-627)DOAJ007355246 (DE-599)DOAJ7ed35e0ad8c14a918b047475e2b59de5 DE-627 ger DE-627 rakwb eng QC1-999 Pablo G. Ortega verfasserin aut The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum. This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictions of naive quark models, which could indicate a non-negligible D(⁎)K(⁎) coupling which reduces its mass. Based on the importance of nearby meson-meson thresholds in the dynamics of P-wave Ds mesons such as the Ds0⁎(2317)+ and Ds1(2460)+, in this work we perform a coupled-channels calculation including the D(⁎)K(⁎), Ds(⁎)ω and Ds⁎η channels, and study the impact of incorporating those channels in the mass of the bare cs¯. The coupling between two and four-quark sectors is done by means of the P03 mechanism, with all the parameters constrained from previous studies of the heavy meson spectroscopy. The masses, widths and production line shapes of the resulting state are analyzed. Potential models Quark models Coupled-channels calculation Charmed strange mesons Physics Jorge Segovia verfasserin aut David R. Entem verfasserin aut Francisco Fernández verfasserin aut In Physics Letters B Elsevier, 2015 827(2022), Seite 136998- (DE-627)266015360 (DE-600)1466612-1 18732445 nnns volume:827 year:2022 pages:136998- https://doi.org/10.1016/j.physletb.2022.136998 kostenfrei https://doaj.org/article/7ed35e0ad8c14a918b047475e2b59de5 kostenfrei http://www.sciencedirect.com/science/article/pii/S0370269322001320 kostenfrei https://doaj.org/toc/0370-2693 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2111 GBV_ILN_2153 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 827 2022 136998-
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allfieldsSound	10.1016/j.physletb.2022.136998 doi (DE-627)DOAJ007355246 (DE-599)DOAJ7ed35e0ad8c14a918b047475e2b59de5 DE-627 ger DE-627 rakwb eng QC1-999 Pablo G. Ortega verfasserin aut The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum. This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictions of naive quark models, which could indicate a non-negligible D(⁎)K(⁎) coupling which reduces its mass. Based on the importance of nearby meson-meson thresholds in the dynamics of P-wave Ds mesons such as the Ds0⁎(2317)+ and Ds1(2460)+, in this work we perform a coupled-channels calculation including the D(⁎)K(⁎), Ds(⁎)ω and Ds⁎η channels, and study the impact of incorporating those channels in the mass of the bare cs¯. The coupling between two and four-quark sectors is done by means of the P03 mechanism, with all the parameters constrained from previous studies of the heavy meson spectroscopy. The masses, widths and production line shapes of the resulting state are analyzed. Potential models Quark models Coupled-channels calculation Charmed strange mesons Physics Jorge Segovia verfasserin aut David R. Entem verfasserin aut Francisco Fernández verfasserin aut In Physics Letters B Elsevier, 2015 827(2022), Seite 136998- (DE-627)266015360 (DE-600)1466612-1 18732445 nnns volume:827 year:2022 pages:136998- https://doi.org/10.1016/j.physletb.2022.136998 kostenfrei https://doaj.org/article/7ed35e0ad8c14a918b047475e2b59de5 kostenfrei http://www.sciencedirect.com/science/article/pii/S0370269322001320 kostenfrei https://doaj.org/toc/0370-2693 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2064 GBV_ILN_2111 GBV_ILN_2153 GBV_ILN_2336 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 827 2022 136998-
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callnumber-first	Q - Science
author	Pablo G. Ortega
spellingShingle	Pablo G. Ortega misc QC1-999 misc Potential models misc Quark models misc Coupled-channels calculation misc Charmed strange mesons misc Physics The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation
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topic_title	QC1-999 The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation Potential models Quark models Coupled-channels calculation Charmed strange mesons
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title	The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation
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title_full	The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation
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author_browse	Pablo G. Ortega Jorge Segovia David R. Entem Francisco Fernández
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title_sort	ds0(2590)+ as the dressed cs¯(21s0) meson in a coupled-channels calculation
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title_auth	The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation
abstract	The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum. This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictions of naive quark models, which could indicate a non-negligible D(⁎)K(⁎) coupling which reduces its mass. Based on the importance of nearby meson-meson thresholds in the dynamics of P-wave Ds mesons such as the Ds0⁎(2317)+ and Ds1(2460)+, in this work we perform a coupled-channels calculation including the D(⁎)K(⁎), Ds(⁎)ω and Ds⁎η channels, and study the impact of incorporating those channels in the mass of the bare cs¯. The coupling between two and four-quark sectors is done by means of the P03 mechanism, with all the parameters constrained from previous studies of the heavy meson spectroscopy. The masses, widths and production line shapes of the resulting state are analyzed.
abstractGer	The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum. This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictions of naive quark models, which could indicate a non-negligible D(⁎)K(⁎) coupling which reduces its mass. Based on the importance of nearby meson-meson thresholds in the dynamics of P-wave Ds mesons such as the Ds0⁎(2317)+ and Ds1(2460)+, in this work we perform a coupled-channels calculation including the D(⁎)K(⁎), Ds(⁎)ω and Ds⁎η channels, and study the impact of incorporating those channels in the mass of the bare cs¯. The coupling between two and four-quark sectors is done by means of the P03 mechanism, with all the parameters constrained from previous studies of the heavy meson spectroscopy. The masses, widths and production line shapes of the resulting state are analyzed.
abstract_unstemmed	The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum. This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictions of naive quark models, which could indicate a non-negligible D(⁎)K(⁎) coupling which reduces its mass. Based on the importance of nearby meson-meson thresholds in the dynamics of P-wave Ds mesons such as the Ds0⁎(2317)+ and Ds1(2460)+, in this work we perform a coupled-channels calculation including the D(⁎)K(⁎), Ds(⁎)ω and Ds⁎η channels, and study the impact of incorporating those channels in the mass of the bare cs¯. The coupling between two and four-quark sectors is done by means of the P03 mechanism, with all the parameters constrained from previous studies of the heavy meson spectroscopy. The masses, widths and production line shapes of the resulting state are analyzed.
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title_short	The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation
url	https://doi.org/10.1016/j.physletb.2022.136998 https://doaj.org/article/7ed35e0ad8c14a918b047475e2b59de5 http://www.sciencedirect.com/science/article/pii/S0370269322001320 https://doaj.org/toc/0370-2693
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This resonance, assigned to the radial excitation of the pseudoscalar Ds+ meson, has a mass much lower than the predictions of naive quark models, which could indicate a non-negligible D(⁎)K(⁎) coupling which reduces its mass. Based on the importance of nearby meson-meson thresholds in the dynamics of P-wave Ds mesons such as the Ds0⁎(2317)+ and Ds1(2460)+, in this work we perform a coupled-channels calculation including the D(⁎)K(⁎), Ds(⁎)ω and Ds⁎η channels, and study the impact of incorporating those channels in the mass of the bare cs¯. The coupling between two and four-quark sectors is done by means of the P03 mechanism, with all the parameters constrained from previous studies of the heavy meson spectroscopy. 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Entem</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Francisco Fernández</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">In</subfield><subfield code="t">Physics Letters B</subfield><subfield code="d">Elsevier, 2015</subfield><subfield code="g">827(2022), Seite 136998-</subfield><subfield code="w">(DE-627)266015360</subfield><subfield code="w">(DE-600)1466612-1</subfield><subfield code="x">18732445</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:827</subfield><subfield code="g">year:2022</subfield><subfield code="g">pages:136998-</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.physletb.2022.136998</subfield><subfield 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The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation

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