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he observed well-known resonances $\Sigma^0$ $\Sigma^{*+}$(1385) and $K^{*\pm}$(892) from PDG are good tests of this method. Exotic strange multibaryon states have been observed in the effective mass spectra of: $\Lambda \pi^{\pm}$,$\Lambda…

High Energy Physics - Experiment · Physics 2015-05-14 P. Zh. Aslanyan

Review for exotic strange multibaryon states were obseved in the effective mass spectra of: 1)$\Lambda \pi^+$, $\Lambda \pi^-$, $\Lambda p$, $\Lambda p p$, and $\Lambda K^0_S$, $K^0_S\pi^{\pm}$ and $K^0_Sp$ subsystems.The invariant mass of…

High Energy Physics - Experiment · Physics 2007-10-31 P. Zh. Aslanyan

The review on the 2m propane bubble chamber experiment data analysis aimed to searches for an exotic baryon states for $K^0_s$-meson subsystems. The observation of $\Sigma^0$, $\Sigma^{*+}$(1385) and $K^{*\pm}$(892) well known resonances…

High Energy Physics - Experiment · Physics 2009-02-04 Aslanyan P. Zh

Experimental data from the 2m propane bubble chamber have been analyzed to search for an exotic baryon states, in the $K_s^0 p$, $K_s^0 \Lambda$ and $\Lambda p$ decay mode for the reaction p+$C_3H_8$ at 10 GeV/c. The invariant mass spectrum…

High Energy Physics - Experiment · Physics 2015-06-25 P. Zh. Aslanyan

Experimental data as a stereo photographs from the 2m propane bubble chamber LHE, JINR have been analyzed for exotic multibaryon metastable and stable states searches. A number of peculiarities were found in the effective mass spectra of:…

High Energy Physics - Experiment · Physics 2008-01-22 P. Zh. Aslanyan , V. N. Emelyanenko

Using the data sample of 980 fb$^{-1}$ collected with the Belle detector operating at the KEKB asymmetric-energy $e^+e^-$ collider, we present the results of an investigation of the $\Lambda\pi^+$ and $\Lambda\pi^-$ invariant mass…

High Energy Physics - Experiment · Physics 2023-04-14 Belle Collaboration , Y. Ma , J. Yelton , K. Tanida , I. Adachi , J. K. Ahn , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , T. Aushev , R. Ayad , V. Babu , S. Bahinipati , Sw. Banerjee , P. Behera , K. Belous , J. Bennett , M. Bessner , B. Bhuyan , T. Bilka , D. Biswas , A. Bobrov , D. Bodrov , J. Borah , A. Bozek , M. Bračko , P. Branchini , T. E. Browder , A. Budano , M. Campajola , D. Červenkov , M. -C. Chang , A. Chen , B. G. Cheon , K. Chilikin , H. E. Cho , K. Cho , S. -J. Cho , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , S. Das , G. De Nardo , G. De Pietro , R. Dhamija , F. Di Capua , J. Dingfelder , Z. Doležal , T. V. Dong , D. Epifanov , T. Ferber , D. Ferlewicz , B. G. Fulsom , R. Garg , V. Gaur , A. Garmash , A. Giri , P. Goldenzweig , B. Golob , E. Graziani , K. Gudkova , C. Hadjivasiliou , S. Halder , K. Hayasaka , H. Hayashii , M. T. Hedges , W. -S. Hou , C. -L. Hsu , K. Inami , N. Ipsita , A. Ishikawa , R. Itoh , M. Iwasaki , W. W. Jacobs , E. -J. Jang , S. Jia , Y. Jin , A. B. Kaliyar , K. H. Kang , T. Kawasaki , C. Kiesling , C. H. Kim , D. Y. Kim , Y. -K. Kim , K. Kinoshita , P. Kodyš , A. Korobov , S. Korpar , E. Kovalenko , P. Križan , P. Krokovny , R. Kumar , K. Kumara , Y. -J. Kwon , T. Lam , J. S. Lange , S. C. Lee , P. Lewis , L. K. Li , Y. Li , L. Li Gioi , J. Libby , K. Lieret , Y. -R. Lin , D. Liventsev , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , S. K. Maurya , F. Meier , M. Merola , F. Metzner , K. Miyabayashi , G. B. Mohanty , R. Mussa , I. Nakamura , T. Nakano , M. Nakao , Z. Natkaniec , A. Natochii , L. Nayak , M. Nayak , N. K. Nisar , S. Nishida , S. Ogawa , H. Ono , P. Oskin , P. Pakhlov , G. Pakhlova , S. Pardi , H. Park , J. Park , S. Patra , S. Paul , R. Pestotnik , L. E. Piilonen , T. Podobnik , E. Prencipe , M. T. Prim , A. Rostomyan , N. Rout , G. Russo , S. Sandilya , L. Santelj , V. Savinov , G. Schnell , J. Schueler , C. Schwanda , Y. Seino , K. Senyo , M. E. Sevior , W. Shan , M. Shapkin , C. Sharma , C. P. Shen , J. -G. Shiu , F. Simon , A. Sokolov , E. Solovieva , M. Starič , M. Sumihama , T. Sumiyoshi , W. Sutcliffe , M. Takizawa , U. Tamponi , F. Tenchini , M. Uchida , S. Uehara , T. Uglov , Y. Unno , K. Uno , S. Uno , P. Urquijo , Y. Usov , S. E. Vahsen , R. van Tonder , G. Varner , A. Vinokurova , A. Vossen , D. Wang , M. -Z. Wang , M. Watanabe , S. Watanuki , O. Werbycka , E. Won , X. Xu , B. D. Yabsley , W. Yan , S. B. Yang , J. H. Yin , C. Z. Yuan , L. Yuan , Z. P. Zhang , V. Zhilich , V. Zhukova

Experimental data from the 2m propane bubble chamber have been analyzed to search for an exotic baryon states, in the $\Lambda K^0_s$ decay mode for the reaction p+$C_3H_8$ at 10 GeV/c. The invariant mass spectrum $\Lambda K^0_s$ observe a…

High Energy Physics - Experiment · Physics 2007-05-23 P. Zh. Aslanyan , V. N. Emelyanenko , G. G. Rikhkvitzkaya

We have studied the $N^*(2120)$, $\Delta^*(1940)$, and the possible $\Sigma^*(1380)$ resonances in the $\gamma p \to K^+ \Lambda(1520)$, $pp \to n K^+ \Sigma(1385)$, and $\Lambda p \to \Lambda p \pi^0$ reactions within the resonance model…

Nuclear Theory · Physics 2016-06-22 Ju-Jun Xie , En Wang , Jia-Jun Wu

For the study of the $\Sigma$ resonances, we analyze the differential cross sections and $\Lambda$ polarizations for the reactions $K^-n\to\pi^-\Lambda$ and $K^-p\to\pi^0\Lambda$ with an effective Lagrangian approach. Data of an early…

Nuclear Theory · Physics 2015-06-05 Puze Gao , Jun Shi , B. S. Zou

With an effective Lagrangian approach, we analyze the $K^-p\to \pi^0\Sigma^0$ reaction to study the $\Lambda$ hyperon resonances by fitting the Crystal Ball data on differential cross sections and $\Sigma^0$ polarization with the…

High Energy Physics - Phenomenology · Physics 2015-03-11 Jun Shi , Bing-Song Zou

Experimental data from the 2m propane bubble chamber have been analyzed for exotic baryon states search. A number of peculiarities were found in the effective mass spectra of: $\Lambda \pi^+$($\Sigma^{*+}$(1382),PDG), $\Lambda p$ and…

High Energy Physics - Experiment · Physics 2008-12-18 P. Zh. Aslanyan

The efficiency for multi-strange hyperon reconstruction and the detection strategy for basic kinematic parameters are described using experimental data of p+C interaction at 10 GeV/c. The efficiency for $\Lambda$ hyperon reconstruction is…

High Energy Physics - Experiment · Physics 2012-02-07 P. Aslanyan , I. Vassilev

Experimental data from the 2m propane bubble chamber for production of $\Lambda$, $K^0_s$ have been used to search of exotic baryon states, in the $K_s^0 p$, $K_s^0 \Lambda$ and $\Lambda p$ decay mode for the reaction p+propane at 10 GeV/c.…

High Energy Physics - Experiment · Physics 2007-05-23 P. Zh. Aslanyan

An enhancement near the m_p + M_{\Lambda} mass threshold is observed in the combined p \bar{\Lambda} and \bar{p}\Lambda invariant mass spectrum from J/\psi --> p K^- \bar{Lambda} + c.c. decays. It can be fit with an S-wave Breit-Wigner…

High Energy Physics - Experiment · Physics 2008-11-26 BES Collaboration , M. Ablikim

This letter reports results from the partial wave analysis of the $\pi^{-}\pi^{-}\pi^{+}\eta$ final state in $\pi^{-}p$ collisions at 18GeV/c. Strong evidence is observed for production of two mesons with exotic quantum numbers of spin,…

High Energy Physics - Experiment · Physics 2008-11-26 J. Kuhn

The effect of $\Sigma^*(1385)$ baryon resonance on the time evolution of the $\Lambda$ hyperon polarization in hadronic matter is studied using a kinetic approach. This approach explicitly includes the production of the $\Sigma^*$ resonance…

Nuclear Theory · Physics 2026-01-19 Haesom Sung , Che Ming Ko , Su Houng Lee

We study the weak decay of the $\Lambda_b$ baryon into $J/\psi\ \phi\ \Lambda$, a process that is particularly well suited to analyze the physics of some of the recently observed or theoretically predicted exotic hadrons, as one expects to…

High Energy Physics - Phenomenology · Physics 2020-10-06 Volodymyr Magas , Àngels Ramos , Rahul Somasundaram , Júlia Tena Vidal

We investigate the $K^- p \to \gamma \Sigma$ reaction using an effective Lagrangian approach within an isobar model framework. The model includes contributions from $s$-channel hyperon and hyperon resonance, $t$-channel $K$ and $K^*$,…

High Energy Physics - Phenomenology · Physics 2025-11-18 Yi Pan , Bo-Chao Liu

Precise new data for the reaction $K^- p \to \pi^0 \Lambda$ are presented in the c.m. energy range 1565 to 1600 MeV. Our analysis of these data sheds new light on claims for the $\Sigma(1580){3/2}^-$ resonance, which (if it exists with the…

The unquenched quark models predict the new particle $\Sigma^*$ with spin parity $J^P=1/2^-$ and its mass is around the well established $\Sigma^*(1385)$ with $J^P=3/2^+$. Here by using the effective Lagrangian approach we study \kp\…

High Energy Physics - Phenomenology · Physics 2010-05-12 Jia-Jun Wu , S. Dulat , B. S. Zou
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