Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays

Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number o...
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Autor*in:	Wang, Shuang-Tao [verfasserIn] Pei, Su-Yan [verfasserIn] Wang, Tianhong [verfasserIn] Wang, Guo-Li [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2024

Anmerkung:	© The Author(s) 2024

Übergeordnetes Werk:	Enthalten in: The European physical journal - Springer Berlin Heidelberg, 1998, 84(2024), 5 vom: 06. Mai
Übergeordnetes Werk:	volume:84 ; year:2024 ; number:5 ; day:06 ; month:05

Links:	Volltext

DOI / URN:	10.1140/epjc/s10052-024-12796-5

Katalog-ID:	SPR055754589

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520			\|a Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied.
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allfields	10.1140/epjc/s10052-024-12796-5 doi (DE-627)SPR055754589 (SPR)s10052-024-12796-5-e DE-627 ger DE-627 rakwb eng 530 VZ 33.50 bkl Wang, Shuang-Tao verfasserin aut Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. Pei, Su-Yan verfasserin aut Wang, Tianhong verfasserin aut Wang, Guo-Li verfasserin (orcid)0000-0002-1695-2351 aut Enthalten in The European physical journal Springer Berlin Heidelberg, 1998 84(2024), 5 vom: 06. Mai (DE-627)253722934 (DE-600)1459069-4 1434-6052 nnns volume:84 year:2024 number:5 day:06 month:05 https://dx.doi.org/10.1140/epjc/s10052-024-12796-5 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 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 33.50 VZ AR 84 2024 5 06 05
spelling	10.1140/epjc/s10052-024-12796-5 doi (DE-627)SPR055754589 (SPR)s10052-024-12796-5-e DE-627 ger DE-627 rakwb eng 530 VZ 33.50 bkl Wang, Shuang-Tao verfasserin aut Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. Pei, Su-Yan verfasserin aut Wang, Tianhong verfasserin aut Wang, Guo-Li verfasserin (orcid)0000-0002-1695-2351 aut Enthalten in The European physical journal Springer Berlin Heidelberg, 1998 84(2024), 5 vom: 06. Mai (DE-627)253722934 (DE-600)1459069-4 1434-6052 nnns volume:84 year:2024 number:5 day:06 month:05 https://dx.doi.org/10.1140/epjc/s10052-024-12796-5 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 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 33.50 VZ AR 84 2024 5 06 05
allfields_unstemmed	10.1140/epjc/s10052-024-12796-5 doi (DE-627)SPR055754589 (SPR)s10052-024-12796-5-e DE-627 ger DE-627 rakwb eng 530 VZ 33.50 bkl Wang, Shuang-Tao verfasserin aut Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. Pei, Su-Yan verfasserin aut Wang, Tianhong verfasserin aut Wang, Guo-Li verfasserin (orcid)0000-0002-1695-2351 aut Enthalten in The European physical journal Springer Berlin Heidelberg, 1998 84(2024), 5 vom: 06. Mai (DE-627)253722934 (DE-600)1459069-4 1434-6052 nnns volume:84 year:2024 number:5 day:06 month:05 https://dx.doi.org/10.1140/epjc/s10052-024-12796-5 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 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 33.50 VZ AR 84 2024 5 06 05
allfieldsGer	10.1140/epjc/s10052-024-12796-5 doi (DE-627)SPR055754589 (SPR)s10052-024-12796-5-e DE-627 ger DE-627 rakwb eng 530 VZ 33.50 bkl Wang, Shuang-Tao verfasserin aut Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. Pei, Su-Yan verfasserin aut Wang, Tianhong verfasserin aut Wang, Guo-Li verfasserin (orcid)0000-0002-1695-2351 aut Enthalten in The European physical journal Springer Berlin Heidelberg, 1998 84(2024), 5 vom: 06. Mai (DE-627)253722934 (DE-600)1459069-4 1434-6052 nnns volume:84 year:2024 number:5 day:06 month:05 https://dx.doi.org/10.1140/epjc/s10052-024-12796-5 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 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 33.50 VZ AR 84 2024 5 06 05
allfieldsSound	10.1140/epjc/s10052-024-12796-5 doi (DE-627)SPR055754589 (SPR)s10052-024-12796-5-e DE-627 ger DE-627 rakwb eng 530 VZ 33.50 bkl Wang, Shuang-Tao verfasserin aut Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. Pei, Su-Yan verfasserin aut Wang, Tianhong verfasserin aut Wang, Guo-Li verfasserin (orcid)0000-0002-1695-2351 aut Enthalten in The European physical journal Springer Berlin Heidelberg, 1998 84(2024), 5 vom: 06. Mai (DE-627)253722934 (DE-600)1459069-4 1434-6052 nnns volume:84 year:2024 number:5 day:06 month:05 https://dx.doi.org/10.1140/epjc/s10052-024-12796-5 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 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 33.50 VZ AR 84 2024 5 06 05
language	English
source	Enthalten in The European physical journal 84(2024), 5 vom: 06. Mai volume:84 year:2024 number:5 day:06 month:05
sourceStr	Enthalten in The European physical journal 84(2024), 5 vom: 06. Mai volume:84 year:2024 number:5 day:06 month:05
format_phy_str_mv	Article
institution	findex.gbv.de
dewey-raw	530
isfreeaccess_bool	true
container_title	The European physical journal
authorswithroles_txt_mv	Wang, Shuang-Tao @@aut@@ Pei, Su-Yan @@aut@@ Wang, Tianhong @@aut@@ Wang, Guo-Li @@aut@@
publishDateDaySort_date	2024-05-06T00:00:00Z
hierarchy_top_id	253722934
dewey-sort	3530
id	SPR055754589
language_de	englisch
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author	Wang, Shuang-Tao
spellingShingle	Wang, Shuang-Tao ddc 530 bkl 33.50 Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays
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topic_title	530 VZ 33.50 bkl Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays
topic	ddc 530 bkl 33.50
topic_unstemmed	ddc 530 bkl 33.50
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format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays
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title_full	Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays
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author_browse	Wang, Shuang-Tao Pei, Su-Yan Wang, Tianhong Wang, Guo-Li
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title_sort	production of $$d_{s0}(2590)^+$$ in b nonleptonic decays
title_auth	Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays
abstract	Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. © The Author(s) 2024
abstractGer	Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. © The Author(s) 2024
abstract_unstemmed	Abstract In 2021, a new charm-strange meson, $$D_{s0}(2590)^+$$, was discovered, which is believed to be the $$D_s^+(2^1S_0)$$. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the $$D_{s0}(2590)^+$$ in the B meson nonleptonic decays, $$B_q\rightarrow D^{()}_qD_{s0}(2590)^+$$ ($$q=u,d$$), followed by $$D_{s0}(2590)^+\rightarrow D^K$$. We find that $$Br(B_q\rightarrow D^{()}_qD_{s0}(2590)^+)\times Br(D_{s0}(2590)^+\rightarrow D^{}K)=(2.16\sim 2.82)\times 10^{-3}$$ is very large, and the result is not sensitive to the mass of $$D_{s0}(2590)^+$$. Due to the large branching ratio, numerous $$D_{s0}(2590)^+$$ events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied. © The Author(s) 2024
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title_short	Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays
url	https://dx.doi.org/10.1140/epjc/s10052-024-12796-5
remote_bool	true
author2	Pei, Su-Yan Wang, Tianhong Wang, Guo-Li
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doi_str	10.1140/epjc/s10052-024-12796-5
up_date	2024-07-03T17:47:01.137Z
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score	7.3989544

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Production of $$D_{s0}(2590)^+$$ in B nonleptonic decays

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Zugang & Verfügbarkeit

Vorhandene Bände

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