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Observation of B0→ψ(2S)KS0π+π- and Bs0→ψ(2S)KS0 decays.

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Title: Observation of B0→ψ(2S)KS0π+π- and Bs0→ψ(2S)KS0 decays.
Authors: Tumasyan, A.1 (AUTHOR), Adam, W.2 (AUTHOR), Andrejkovic, J. W.2 (AUTHOR), Bergauer, T.2 (AUTHOR), Chatterjee, S.2 (AUTHOR), Damanakis, K.2 (AUTHOR), Dragicevic, M.2 (AUTHOR), Valle, A. Escalante Del2 (AUTHOR), Frühwirth, R.2,3 (AUTHOR), Jeitler, M.2,3 (AUTHOR), Krammer, N.2 (AUTHOR), Lechner, L.2 (AUTHOR), Liko, D.2 (AUTHOR), Mikulec, I.2 (AUTHOR), Paulitsch, P.2 (AUTHOR), Pitters, F. M.2 (AUTHOR), Schieck, J.2,3 (AUTHOR), Schöfbeck, R.2 (AUTHOR), Schwarz, D.2 (AUTHOR), Templ, S.2 (AUTHOR)
Source: European Physical Journal C -- Particles & Fields. May2022, Vol. 82 Issue 5, p1-25. 25p.
Subjects: Branching ratios, Proton-proton interactions, Standard deviations, Mesons, Luminosity
Abstract: Using a data sample of s = 13 TeV proton-proton collisions collected by the CMS experiment at the LHC in 2017 and 2018 with an integrated luminosity of 103 fb - 1 , the B s 0 → ψ (2S) K S 0 and B 0 → ψ (2S) K S 0 π + π - decays are observed with significances exceeding 5 standard deviations. The resulting branching fraction ratios, measured for the first time, correspond to B (B s 0 → ψ (2S) K S 0) / B (B 0 → ψ (2S) K S 0) = (3.33 ± 0.69 (stat) ± 0.11 (syst) ± 0.34 (f s / f d)) × 10 - 2 and B (B 0 → ψ (2S) K S 0 π + π -) / B (B 0 → ψ (2S) K S 0) = 0.480 ± 0.013 (stat) ± 0.032 (syst) , where the last uncertainty in the first ratio is related to the uncertainty in the ratio of production cross sections of B s 0 and B 0 mesons, f s / f d . [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Observation of B0→ψ(2S)KS0π+π- and Bs0→ψ(2S)KS0 decays.
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  Data: <searchLink fieldCode="AR" term="%22Tumasyan%2C+A%2E%22">Tumasyan, A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Adam%2C+W%2E%22">Adam, W.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Andrejkovic%2C+J%2E+W%2E%22">Andrejkovic, J. W.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bergauer%2C+T%2E%22">Bergauer, T.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chatterjee%2C+S%2E%22">Chatterjee, S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Damanakis%2C+K%2E%22">Damanakis, K.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dragicevic%2C+M%2E%22">Dragicevic, M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Valle%2C+A%2E+Escalante+Del%22">Valle, A. Escalante Del</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Frühwirth%2C+R%2E%22">Frühwirth, R.</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jeitler%2C+M%2E%22">Jeitler, M.</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Krammer%2C+N%2E%22">Krammer, N.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lechner%2C+L%2E%22">Lechner, L.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liko%2C+D%2E%22">Liko, D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mikulec%2C+I%2E%22">Mikulec, I.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Paulitsch%2C+P%2E%22">Paulitsch, P.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pitters%2C+F%2E+M%2E%22">Pitters, F. M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schieck%2C+J%2E%22">Schieck, J.</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schöfbeck%2C+R%2E%22">Schöfbeck, R.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schwarz%2C+D%2E%22">Schwarz, D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Templ%2C+S%2E%22">Templ, S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. May2022, Vol. 82 Issue 5, p1-25. 25p.
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  Data: <searchLink fieldCode="DE" term="%22Branching+ratios%22">Branching ratios</searchLink><br /><searchLink fieldCode="DE" term="%22Proton-proton+interactions%22">Proton-proton interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Standard+deviations%22">Standard deviations</searchLink><br /><searchLink fieldCode="DE" term="%22Mesons%22">Mesons</searchLink><br /><searchLink fieldCode="DE" term="%22Luminosity%22">Luminosity</searchLink>
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  Data: Using a data sample of s = 13 TeV proton-proton collisions collected by the CMS experiment at the LHC in 2017 and 2018 with an integrated luminosity of 103 fb - 1 , the B s 0 → ψ (2S) K S 0 and B 0 → ψ (2S) K S 0 π + π - decays are observed with significances exceeding 5 standard deviations. The resulting branching fraction ratios, measured for the first time, correspond to B (B s 0 → ψ (2S) K S 0) / B (B 0 → ψ (2S) K S 0) = (3.33 ± 0.69 (stat) ± 0.11 (syst) ± 0.34 (f s / f d)) × 10 - 2 and B (B 0 → ψ (2S) K S 0 π + π -) / B (B 0 → ψ (2S) K S 0) = 0.480 ± 0.013 (stat) ± 0.032 (syst) , where the last uncertainty in the first ratio is related to the uncertainty in the ratio of production cross sections of B s 0 and B 0 mesons, f s / f d . [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=157532302
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