$Evidence for $B^+ \rightarrow h_c K^+$ and observation of $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$$

Evidence for $B^+ \rightarrow h_c K^+$ and observation of $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$

A search for the decays $B^+ \rightarrow h_c K^+$ and $B^0 \rightarrow h_c K_S^0$ is performed. Evidence for the decay $B^+ \rightarrow h_c K^+$ is found; its significance is $4.8\sigma$. No evidence is found for $B^0 \rightarrow h_c K_S^0$. The branching fraction for \(B^+ \rightarrow h_c...

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Veröffentlicht in:	arXiv.org 2019-07
Hauptverfasser:	Chilikin, K, Adachi, I, Asner, D M, Aulchenko, V, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bansal, V, Behera, P, Beleño, C, Berger, M, Bilka, T, Biswal, J, Bozek, A, Bračko, M, Campajola, M, Červenkov, D, Chen, A, Cheon, B G, Cho, K, Cinabro, D, Doležal, Z, Eidelman, S, Epifanov, D, Fulsom, B G, Gaur, V, Gabyshev, N, Garmash, A, Giri, A, Grzymkowska, O, Haba, J, Hara, T, C -L Hsu, Ishikawa, A, Iwasaki, Y, Jin, Y, Joffe, D, Joo, K K, Julius, T, Kaliyar, A B, Karyan, G, Kato, Y, Kiesling, C, Kim, C H, Kim, D Y, Kim, S H, Kodyš, P, Kotchetkov, D, Kroeger, R, Krokovny, P, Lange, J S, Lee, J Y, Lee, S C, Li, L K, L Li Gioi, Libby, J, Liventsev, D, Luo, T, Masuda, M, Matsuda, T, Merola, M, Mizuk, R, Mohanty, G B, Nakao, M, Nath, K J, Niiyama, M, Nisar, N K, Nishida, S, Nishimura, K, Onuki, Y, Pardi, S, Park, H, Patra, S, Paul, S, Pestotnik, R, Piilonen, L E, Russo, G, Sakai, Y, Sanuki, T, Savinov, V, Schneider, O, Schnell, G, Schwanda, C, Seino, Y, Shwartz, B, Strube, J F, Sutcliffe, W, Uchida, M, Uno, S, Urquijo, P, Varner, G, M -Z Wang, Wang, P, Watanabe, M, Yang, S B, Yuan, C Z, Zhang, J, Zhang, Z P, Zhukova, V
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Sprache:	eng
Schlagworte:	Decay Mass distribution
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creator	Chilikin, K Adachi, I Asner, D M Aulchenko, V Aushev, T Ayad, R Babu, V Badhrees, I Bansal, V Behera, P Beleño, C Berger, M Bilka, T Biswal, J Bozek, A Bračko, M Campajola, M Červenkov, D Chen, A Cheon, B G Cho, K Cinabro, D Doležal, Z Eidelman, S Epifanov, D Fulsom, B G Gaur, V Gabyshev, N Garmash, A Giri, A Grzymkowska, O Haba, J Hara, T C -L Hsu Ishikawa, A Iwasaki, Y Jin, Y Joffe, D Joo, K K Julius, T Kaliyar, A B Karyan, G Kato, Y Kiesling, C Kim, C H Kim, D Y Kim, S H Kodyš, P Kotchetkov, D Kroeger, R Krokovny, P Lange, J S Lee, J Y Lee, S C Li, L K L Li Gioi Libby, J Liventsev, D Luo, T Masuda, M Matsuda, T Merola, M Mizuk, R Mohanty, G B Nakao, M Nath, K J Niiyama, M Nisar, N K Nishida, S Nishimura, K Onuki, Y Pardi, S Park, H Patra, S Paul, S Pestotnik, R Piilonen, L E Russo, G Sakai, Y Sanuki, T Savinov, V Schneider, O Schnell, G Schwanda, C Seino, Y Shwartz, B Strube, J F Sutcliffe, W Uchida, M Uno, S Urquijo, P Varner, G M -Z Wang Wang, P Watanabe, M Yang, S B Yuan, C Z Zhang, J Zhang, Z P Zhukova, V
description	A search for the decays $B^+ \rightarrow h_c K^+$ and $B^0 \rightarrow h_c K_S^0$ is performed. Evidence for the decay $B^+ \rightarrow h_c K^+$ is found; its significance is $4.8\sigma$. No evidence is found for $B^0 \rightarrow h_c K_S^0$. The branching fraction for $B^+ \rightarrow h_c K^+$ is measured to be $(3.7^{+1.0}_{-0.9}{}^{+0.8}_{-0.8}) \times 10^{-5}$; the upper limit for the $B^0 \rightarrow h_c K_S^0$ branching fraction is $1.4 \times 10^{-5}$ at $90\%$ C.L. In addition, a study of the $p \bar{p} \pi^+ \pi^-$ invariant mass distribution in the channel $B^+ \to (p \bar{p} \pi^+ \pi^-) K^+$ results in the first observation of the decay $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$ with $12.1\sigma$ significance. The analysis is based on the 711 $\mathrm{fb}^{-1}$ data sample collected by the Belle detector at the asymmetric-energy $e^+ e^-$ collider KEKB at the $\Upsilon(4S)$ resonance.
doi_str_mv	10.48550/arxiv.1903.06414
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Evidence for the decay $B^+ \rightarrow h_c K^+$ is found; its significance is $4.8\sigma$. No evidence is found for $B^0 \rightarrow h_c K_S^0$. The branching fraction for $B^+ \rightarrow h_c K^+$ is measured to be $(3.7^{+1.0}_{-0.9}{}^{+0.8}_{-0.8}) \times 10^{-5}$; the upper limit for the $B^0 \rightarrow h_c K_S^0$ branching fraction is $1.4 \times 10^{-5}$ at $90\%$ C.L. In addition, a study of the $p \bar{p} \pi^+ \pi^-$ invariant mass distribution in the channel $B^+ \to (p \bar{p} \pi^+ \pi^-) K^+$ results in the first observation of the decay $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$ with $12.1\sigma$ significance. 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Evidence for the decay $B^+ \rightarrow h_c K^+$ is found; its significance is $4.8\sigma$. No evidence is found for $B^0 \rightarrow h_c K_S^0$. The branching fraction for $B^+ \rightarrow h_c K^+$ is measured to be $(3.7^{+1.0}_{-0.9}{}^{+0.8}_{-0.8}) \times 10^{-5}$; the upper limit for the $B^0 \rightarrow h_c K_S^0$ branching fraction is $1.4 \times 10^{-5}$ at $90\%$ C.L. In addition, a study of the $p \bar{p} \pi^+ \pi^-$ invariant mass distribution in the channel $B^+ \to (p \bar{p} \pi^+ \pi^-) K^+$ results in the first observation of the decay $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$ with $12.1\sigma$ significance. 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arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20190711</creationdate><title>Evidence for $B^+ \rightarrow h_c K^+$ and observation of $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$</title><author>Chilikin, K ; Adachi, I ; Asner, D M ; Aulchenko, V ; Aushev, T ; Ayad, R ; Babu, V ; Badhrees, I ; Bansal, V ; Behera, P ; Beleño, C ; Berger, M ; Bilka, T ; Biswal, J ; Bozek, A ; Bračko, M ; Campajola, M ; Červenkov, D ; Chen, A ; Cheon, B G ; Cho, K ; Cinabro, D ; Doležal, Z ; Eidelman, S ; Epifanov, D ; Fulsom, B G ; Gaur, V ; Gabyshev, N ; Garmash, A ; Giri, A ; Grzymkowska, O ; Haba, J ; Hara, T ; C -L Hsu ; Ishikawa, A ; Iwasaki, Y ; Jin, Y ; Joffe, D ; Joo, K K ; Julius, T ; Kaliyar, A B ; Karyan, G ; Kato, Y ; Kiesling, C ; Kim, C H ; Kim, D Y ; Kim, S H ; Kodyš, P ; Kotchetkov, D ; Kroeger, R ; Krokovny, P ; Lange, J S ; Lee, J Y ; Lee, S C ; Li, L K ; L Li Gioi ; Libby, J ; Liventsev, D ; Luo, T ; Masuda, M ; Matsuda, T ; Merola, M ; Mizuk, R ; Mohanty, G B ; Nakao, M ; Nath, K J ; Niiyama, M ; Nisar, N K ; Nishida, S ; Nishimura, K ; Onuki, Y ; Pardi, S ; Park, H ; Patra, S ; Paul, S ; Pestotnik, R ; Piilonen, L E ; Russo, G ; Sakai, Y ; Sanuki, T ; Savinov, V ; Schneider, O ; Schnell, G ; Schwanda, C ; Seino, Y ; Shwartz, B ; Strube, J F ; Sutcliffe, W ; Uchida, M ; Uno, S ; Urquijo, P ; Varner, G ; M -Z Wang ; Wang, P ; Watanabe, M ; Yang, S B ; Yuan, C Z ; Zhang, J ; Zhang, Z P ; Zhukova, V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_21934066513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Decay</topic><topic>Mass distribution</topic><toplevel>online_resources</toplevel><creatorcontrib>Chilikin, K</creatorcontrib><creatorcontrib>Adachi, I</creatorcontrib><creatorcontrib>Asner, D M</creatorcontrib><creatorcontrib>Aulchenko, V</creatorcontrib><creatorcontrib>Aushev, T</creatorcontrib><creatorcontrib>Ayad, R</creatorcontrib><creatorcontrib>Babu, V</creatorcontrib><creatorcontrib>Badhrees, I</creatorcontrib><creatorcontrib>Bansal, V</creatorcontrib><creatorcontrib>Behera, P</creatorcontrib><creatorcontrib>Beleño, C</creatorcontrib><creatorcontrib>Berger, M</creatorcontrib><creatorcontrib>Bilka, T</creatorcontrib><creatorcontrib>Biswal, J</creatorcontrib><creatorcontrib>Bozek, A</creatorcontrib><creatorcontrib>Bračko, M</creatorcontrib><creatorcontrib>Campajola, M</creatorcontrib><creatorcontrib>Červenkov, D</creatorcontrib><creatorcontrib>Chen, A</creatorcontrib><creatorcontrib>Cheon, B G</creatorcontrib><creatorcontrib>Cho, K</creatorcontrib><creatorcontrib>Cinabro, D</creatorcontrib><creatorcontrib>Doležal, Z</creatorcontrib><creatorcontrib>Eidelman, S</creatorcontrib><creatorcontrib>Epifanov, D</creatorcontrib><creatorcontrib>Fulsom, B G</creatorcontrib><creatorcontrib>Gaur, V</creatorcontrib><creatorcontrib>Gabyshev, N</creatorcontrib><creatorcontrib>Garmash, A</creatorcontrib><creatorcontrib>Giri, A</creatorcontrib><creatorcontrib>Grzymkowska, O</creatorcontrib><creatorcontrib>Haba, J</creatorcontrib><creatorcontrib>Hara, T</creatorcontrib><creatorcontrib>C -L Hsu</creatorcontrib><creatorcontrib>Ishikawa, A</creatorcontrib><creatorcontrib>Iwasaki, Y</creatorcontrib><creatorcontrib>Jin, Y</creatorcontrib><creatorcontrib>Joffe, D</creatorcontrib><creatorcontrib>Joo, K K</creatorcontrib><creatorcontrib>Julius, T</creatorcontrib><creatorcontrib>Kaliyar, A B</creatorcontrib><creatorcontrib>Karyan, G</creatorcontrib><creatorcontrib>Kato, Y</creatorcontrib><creatorcontrib>Kiesling, C</creatorcontrib><creatorcontrib>Kim, C H</creatorcontrib><creatorcontrib>Kim, D Y</creatorcontrib><creatorcontrib>Kim, S H</creatorcontrib><creatorcontrib>Kodyš, P</creatorcontrib><creatorcontrib>Kotchetkov, D</creatorcontrib><creatorcontrib>Kroeger, R</creatorcontrib><creatorcontrib>Krokovny, P</creatorcontrib><creatorcontrib>Lange, J S</creatorcontrib><creatorcontrib>Lee, J Y</creatorcontrib><creatorcontrib>Lee, S C</creatorcontrib><creatorcontrib>Li, L K</creatorcontrib><creatorcontrib>L Li Gioi</creatorcontrib><creatorcontrib>Libby, J</creatorcontrib><creatorcontrib>Liventsev, D</creatorcontrib><creatorcontrib>Luo, T</creatorcontrib><creatorcontrib>Masuda, M</creatorcontrib><creatorcontrib>Matsuda, T</creatorcontrib><creatorcontrib>Merola, M</creatorcontrib><creatorcontrib>Mizuk, R</creatorcontrib><creatorcontrib>Mohanty, G B</creatorcontrib><creatorcontrib>Nakao, M</creatorcontrib><creatorcontrib>Nath, K J</creatorcontrib><creatorcontrib>Niiyama, M</creatorcontrib><creatorcontrib>Nisar, N K</creatorcontrib><creatorcontrib>Nishida, S</creatorcontrib><creatorcontrib>Nishimura, K</creatorcontrib><creatorcontrib>Onuki, Y</creatorcontrib><creatorcontrib>Pardi, S</creatorcontrib><creatorcontrib>Park, H</creatorcontrib><creatorcontrib>Patra, S</creatorcontrib><creatorcontrib>Paul, S</creatorcontrib><creatorcontrib>Pestotnik, R</creatorcontrib><creatorcontrib>Piilonen, L E</creatorcontrib><creatorcontrib>Russo, G</creatorcontrib><creatorcontrib>Sakai, Y</creatorcontrib><creatorcontrib>Sanuki, T</creatorcontrib><creatorcontrib>Savinov, V</creatorcontrib><creatorcontrib>Schneider, O</creatorcontrib><creatorcontrib>Schnell, G</creatorcontrib><creatorcontrib>Schwanda, C</creatorcontrib><creatorcontrib>Seino, Y</creatorcontrib><creatorcontrib>Shwartz, B</creatorcontrib><creatorcontrib>Strube, J F</creatorcontrib><creatorcontrib>Sutcliffe, W</creatorcontrib><creatorcontrib>Uchida, M</creatorcontrib><creatorcontrib>Uno, S</creatorcontrib><creatorcontrib>Urquijo, P</creatorcontrib><creatorcontrib>Varner, G</creatorcontrib><creatorcontrib>M -Z Wang</creatorcontrib><creatorcontrib>Wang, P</creatorcontrib><creatorcontrib>Watanabe, M</creatorcontrib><creatorcontrib>Yang, S B</creatorcontrib><creatorcontrib>Yuan, C Z</creatorcontrib><creatorcontrib>Zhang, J</creatorcontrib><creatorcontrib>Zhang, Z P</creatorcontrib><creatorcontrib>Zhukova, V</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chilikin, K</au><au>Adachi, I</au><au>Asner, D M</au><au>Aulchenko, V</au><au>Aushev, T</au><au>Ayad, R</au><au>Babu, V</au><au>Badhrees, I</au><au>Bansal, V</au><au>Behera, P</au><au>Beleño, C</au><au>Berger, M</au><au>Bilka, T</au><au>Biswal, J</au><au>Bozek, A</au><au>Bračko, M</au><au>Campajola, M</au><au>Červenkov, D</au><au>Chen, A</au><au>Cheon, B G</au><au>Cho, K</au><au>Cinabro, D</au><au>Doležal, Z</au><au>Eidelman, S</au><au>Epifanov, D</au><au>Fulsom, B G</au><au>Gaur, V</au><au>Gabyshev, N</au><au>Garmash, A</au><au>Giri, A</au><au>Grzymkowska, O</au><au>Haba, J</au><au>Hara, T</au><au>C -L Hsu</au><au>Ishikawa, A</au><au>Iwasaki, Y</au><au>Jin, Y</au><au>Joffe, D</au><au>Joo, K K</au><au>Julius, T</au><au>Kaliyar, A B</au><au>Karyan, G</au><au>Kato, Y</au><au>Kiesling, C</au><au>Kim, C H</au><au>Kim, D Y</au><au>Kim, S H</au><au>Kodyš, P</au><au>Kotchetkov, D</au><au>Kroeger, R</au><au>Krokovny, P</au><au>Lange, J S</au><au>Lee, J Y</au><au>Lee, S C</au><au>Li, L K</au><au>L Li Gioi</au><au>Libby, J</au><au>Liventsev, D</au><au>Luo, T</au><au>Masuda, M</au><au>Matsuda, T</au><au>Merola, M</au><au>Mizuk, R</au><au>Mohanty, G B</au><au>Nakao, M</au><au>Nath, K J</au><au>Niiyama, M</au><au>Nisar, N K</au><au>Nishida, S</au><au>Nishimura, K</au><au>Onuki, Y</au><au>Pardi, S</au><au>Park, H</au><au>Patra, S</au><au>Paul, S</au><au>Pestotnik, R</au><au>Piilonen, L E</au><au>Russo, G</au><au>Sakai, Y</au><au>Sanuki, T</au><au>Savinov, V</au><au>Schneider, O</au><au>Schnell, G</au><au>Schwanda, C</au><au>Seino, Y</au><au>Shwartz, B</au><au>Strube, J F</au><au>Sutcliffe, W</au><au>Uchida, M</au><au>Uno, S</au><au>Urquijo, P</au><au>Varner, G</au><au>M -Z Wang</au><au>Wang, P</au><au>Watanabe, M</au><au>Yang, S B</au><au>Yuan, C Z</au><au>Zhang, J</au><au>Zhang, Z P</au><au>Zhukova, V</au><format>book</format><genre>document</genre><ristype>GEN</ristype><atitle>Evidence for $B^+ \rightarrow h_c K^+$ and observation of $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$</atitle><jtitle>arXiv.org</jtitle><date>2019-07-11</date><risdate>2019</risdate><eissn>2331-8422</eissn><abstract>A search for the decays $B^+ \rightarrow h_c K^+$ and $B^0 \rightarrow h_c K_S^0$ is performed. Evidence for the decay $B^+ \rightarrow h_c K^+$ is found; its significance is $4.8\sigma$. No evidence is found for $B^0 \rightarrow h_c K_S^0$. The branching fraction for $B^+ \rightarrow h_c K^+$ is measured to be $(3.7^{+1.0}_{-0.9}{}^{+0.8}_{-0.8}) \times 10^{-5}$; the upper limit for the $B^0 \rightarrow h_c K_S^0$ branching fraction is $1.4 \times 10^{-5}$ at $90\%$ C.L. In addition, a study of the $p \bar{p} \pi^+ \pi^-$ invariant mass distribution in the channel $B^+ \to (p \bar{p} \pi^+ \pi^-) K^+$ results in the first observation of the decay $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$ with $12.1\sigma$ significance. The analysis is based on the 711 $\mathrm{fb}^{-1}$ data sample collected by the Belle detector at the asymmetric-energy $e^+ e^-$ collider KEKB at the $\Upsilon(4S)$ resonance.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1903.06414</doi><oa>free_for_read</oa></addata></record>
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subjects	Decay Mass distribution
title	Evidence for $B^+ \rightarrow h_c K^+$ and observation of $\eta_c(2S) \to p \bar{p} \pi^+ \pi^-$
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Evidence for \(B^+ \rightarrow h_c K^+\) and observation of \(\eta_c(2S) \to p \bar{p} \pi^+ \pi^-\)