Related papers: J-PARC P02 project:"THE Study of Exotic Multiquark…

The Strangeness Physics Program at CLAS

An extensive program of strange particle production off the proton is currently underway with the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at Jefferson Laboratory. This talk will emphasize strangeness photo- and…

High Energy Physics - Experiment · Physics 2017-08-23 D. S. Carman

A Primer on Partial Wave Analysis

In the 90s of the last century high statistics experiments with fully equipped 4$\pi$ detectors have lead to a better insight in the spectrum of hadrons. In particular the finding of crypto-exotic and $J^{PC}$ exotic states tremendously…

High Energy Physics - Phenomenology · Physics 2009-09-29 Klaus Peters

Updates on the Studies of $N^*$ Structure with CLAS and the Prospects with CLAS12

The recent results on $\gamma_vpN^*$ electrocouplings from analyses of the data on exclusive meson electroproduction off protons measured with the CLAS detector at Jefferson Lab are presented. The impact of these results on the exploration…

Nuclear Experiment · Physics 2016-07-20 V. I. Mokeev

Search for exotics in the rare decay $B \rightarrow J/\psi K K K$ at $BABAR$

One of the most intriguing puzzles in hadron spectroscopy are the numerous charmonium-like states observed in the last decade, including charged states that are manifestly exotic. Over the years, the experiment $BABAR$ has extensively…

High Energy Physics - Experiment · Physics 2014-10-22 Elisabetta Prencipe

Observation of S=+1 narrow resonances in the system $K^0_sp$ from p+$C_3H_8$ collision at 10 GeV/c

The 2m propane bubble chamber experimental data have been analyzed to search for an exotic baryon state, the $\Theta^+$ -baryon, in the $pK^0_s$ decay mode for the reaction p+$C_3H_8$ at 10 GeV/c. The $pK^0_s$ invariant mass spectrum shows…

High Energy Physics - Experiment · Physics 2008-11-26 P. Zh. Aslanyan , V. N. Emelyanenko , G. G. Rikhkvitzkaya

The Spectrum of $P$-Wave Hidden-Charm Exotic Mesons in the Diquark Model

We study the fine structure in the spectrum of known and predicted negative-parity hidden-charm exotic meson states, which comprise the lowest $P$-wave multiplet in the dynamical diquark model. Starting with a form previously shown to…

High Energy Physics - Phenomenology · Physics 2020-05-06 Jesse F. Giron , Richard F. Lebed

High Resolution Search for Exotic Pentaquark $\Theta^{++}$, and $\Theta^+$ at Jefferson Lab

Recent evidence for the existence of pentaquark $\Theta^+$ particle from several experiments at several different laboratories around the world has caused great excitement and raised many unanswered questions. We discuss a new proposal on a…

Nuclear Experiment · Physics 2007-05-23 Haiyan Gao , Wang Xu

Hypernuclear Physics at PANDA

Hypernuclear research will be one of the main topics addressed by the PANDA experiment at the planned Facility for Anti-proton and Ion Research FAIR at Darmstadt, Germany. A copious production of Xi-hyperons at a dedicated internal target…

Nuclear Experiment · Physics 2012-06-15 P. Achenbach , S. Bleser , J. Pochodzalla , A. Sanchez Lorente , M. Steinen

Searches for new physics beyond the Standard Model in hyperon sector

Hyperon physics offers a distinctive laboratory for probing the intensity frontier and searching for physics beyond the Standard Model. This review summarizes recent results from the BESIII experiment, including pioneering studies of dark…

High Energy Physics - Experiment · Physics 2026-02-26 Jianyu Zhang , Jinlin Fu , Hai-Bo Li

A new direct detection electron scattering experiment to search for the X17 particle

A new electron scattering experiment (E12-21-003) to verify and understand the nature of hidden sector particles, with particular emphasis on the so-called X17 particle, has been approved at Jefferson Lab. The search for these particles is…

Nuclear Experiment · Physics 2023-01-26 D. Dutta , H. Gao , A. Gasparian , T. J. Hague , N. Liyanage , R. Paremuzyan , C. Peng , W. Xiong , P. Achenbach , A. Ahmidouch , S. Ali , H. Avakian , C. Ayerbe-Gayoso , X. Bai , M. Battaglieri , H. Bhatt , A. Bianconi , J. Boyd , D. Byer , P. L. Cole , G. Costantini , S. Davis , M. De Napoli , R. De Vita , B. Devkota , B. Dharmasena , J. Dunne , L. El Fassi , V. Gamage , L. Gan , K. Gnanvo , G. Gosta , D. Higinbotham , C. Howell , S. Jeffas , S. Jian , A. Karki , B. Karki , V. Khachatryan , M. Khandaker , V. Kubarovsky , I. Larin , M. Leali , V. Mascagna , G. Matousek , S. Migliorati , R. Miskimen , P. Mohanmurthy , H. Nguyen , E. Pasyuk , A. Rathnayake , J. Rittenhouse West , A. Shahinyan , A. Smith , S. Stepanyan , E. van Nieuwenhuizen , L. Venturelli , B. Yu , Z. Zhao , J. Zhou

Production of Double Hypernuclei with antiprotons at PANDA

One of the goals of hypernuclear physics is to study the properties of baryon-baryon interaction including the strangeness contribution. Double hypernuclei can provide information about the $\Lambda\Lambda$ interaction in addition to the…

High Energy Physics - Experiment · Physics 2008-10-16 Katarzyna Szymanska

Search for exotic charmonium states

One of the most intriguing puzzles in hadron spectroscopy are the numerous charmonium-like states observed in the last decade, including charged states that are manifestly exotic. The $BABAR$ and Belle experiments have extensively studied…

High Energy Physics - Experiment · Physics 2014-11-05 Elisabetta Prencipe

Observation of a $J/\psi\Lambda$ resonance consistent with a strange pentaquark candidate in $B^-\to J/\psi\Lambda\bar{p}$ decays

An amplitude analysis of $B^-\to J/\psi\Lambda\bar{p}$ decays is performed using about 4400 signal candidates selected on a data sample of $pp$ collisions recorded at center-of-mass energies of 7, 8 and 13 TeV with the LHCb detector,…

High Energy Physics - Experiment · Physics 2024-06-13 LHCb collaboration

Position reconstruction in fission fragment detection using the low pressure MWPC technique for the JLab experiment E02-017

When a lambda hyperon was embedded in a nucleus, it can form a hypernucleus. The lifetime and its mass dependence of stable hypernuclei provide information about the weak decay of lambda hyperon inside nuclear medium. This work will…

Instrumentation and Detectors · Physics 2015-06-17 Xi-Yu Qiu , L. Tang , A. Margaryan , Bi-Tao Hu , Xi-Meng Chen

Novel method to extract the femtometer structure of strange baryons using the vacuum polarization effect

One of the fundamental goals of particle physics is to gain microscopic understanding of the strong interaction. Electromagnetic form factors quantify the structure of hadrons in terms of charge and magnetization distributions. While the…

High Energy Physics - Experiment · Physics 2026-04-27 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , M. Albrecht , R. Aliberti , A. Amoroso , M. R. An , Q. An , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , V. Batozskaya , D. Becker , K. Begzsuren , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , W. L. Chang , G. R. Che , G. Chelkov , C. Chen , Chao Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , Y. B. Chen , Z. J. Chen , W. S. Cheng , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , Y. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , S. X. Du , Z. H. Duan , P. Egorov , Y. L. Fan , J. Fang , S. S. Fang , W. X. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , K Fischer , M. Fritsch , C. Fritzsch , C. D. Fu , H. Gao , Y. N. Gao , Yang Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , L. M. Gu , M. H. Gu , Y. T. Gu , C. Y Guan , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , A. Guskov , W. Y. Han , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , G. Y. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , Z. Huang , T. Hussain , N Hüsken , W. Imoehl , M. Irshad , J. Jackson , S. Jaeger , S. Janchiv , E. Jang , J. H. Jeong , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , Y. Y. Ji , Z. K. Jia , P. C. Jiang , S. S. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , Z. Jiao , S. Jin , Y. Jin , M. Q. Jing , T. Johansson , S. Kabana , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , R. Kappert , M. Kavatsyuk , B. C. Ke , I. K. Keshk , A. Khoukaz , R. Kiuchi , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kuemmel , M. Kuessner , A. Kupsc , W. Kühn , J. J. Lane , J. S. Lange , P. Larin , A. Lavania , L. Lavezzi , T. T. Lei , Z. H. Lei , H. Leithoff , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. Li , Cheng Li , D. M. Li , F. Li , G. Li , H. Li , H. Li , H. B. Li , H. J. Li , H. N. Li , J. Q. Li , J. S. Li , J. W. Li , Ke Li , L. J Li , L. K. Li , Lei Li , M. H. Li , P. R. Li , S. X. Li , S. Y. Li , T. Li , W. D. Li , W. G. Li , X. H. Li , X. L. Li , Xiaoyu Li , Y. G. Li , Z. X. Li , Z. Y. Li , C. Liang , H. Liang , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. Z. Liao , J. Libby , A. Limphirat , C. X. Lin , D. X. Lin , T. Lin , B. J. Liu , C. Liu , C. X. Liu , D. Liu , F. H. Liu , Fang Liu , Feng Liu , G. M. Liu , H. Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. L. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. K. Liu , W. M. Liu , X. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. Q. Liu , X. C. Lou , F. X. Lu , H. J. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. P. Lu , Z. H. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , X. R. Lyu , Y. F. Lyu , F. C. Ma , H. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , R. T. Ma , X. Y. Ma , Y. Ma , F. E. Maas , M. Maggiora , S. Maldaner , S. Malde , Q. A. Malik , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , N. Yu. Muchnoi , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , Y. P. Pei , M. Pelizaeus , H. P. Peng , K. Peters , J. L. Ping , R. G. Ping , S. Plura , S. Pogodin , V. Prasad , F. Z. Qi , H. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. B. Qian , Z. Qian , C. F. Qiao , J. J. Qin , L. Q. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , K. H. Rashid , C. F. Redmer , K. J. Ren , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , S. N. Ruan , A. Sarantsev , Y. Schelhaas , C. Schnier , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. C. Shi , J. Y. Shi , Q. Q. Shi , R. S. Shi , X. Shi , J. J. Song , W. M. Song , Y. X. Song , S. Sosio , S. Spataro , F. Stieler , P. P. Su , Y. J. Su , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , Y. J. Sun , Y. Z. Sun , Z. T. Sun , Y. X. Tan , C. J. Tang , G. Y. Tang , J. Tang , L. Y Tao , Q. T. Tao , M. Tat , J. X. Teng , V. Thoren , W. H. Tian , Y. Tian , I. Uman , B. Wang , B. Wang , B. L. Wang , C. W. Wang , D. Y. Wang , F. Wang , H. J. Wang , H. P. Wang , K. Wang , L. L. Wang , M. Wang , M. Z. Wang , Meng Wang , S. Wang , S. Wang , T. Wang , T. J. Wang , W. Wang , W. H. Wang , W. P. Wang , X. Wang , X. F. Wang , X. L. Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. H. Wang , Y. Q. Wang , Yaqian Wang , Z. Wang , Z. Y. Wang , Ziyi Wang , D. H. Wei , F. Weidner , S. P. Wen , D. J. White , U. Wiedner , G. Wilkinson , M. Wolke , L. Wollenberg , J. F. Wu , L. H. Wu , L. J. Wu , X. Wu , X. H. Wu , Y. Wu , Y. J Wu , Z. Wu , L. Xia , T. Xiang , D. Xiao , G. Y. Xiao , H. Xiao , S. Y. Xiao , Y. L. Xiao , Z. J. Xiao , C. Xie , X. H. Xie , Y. Xie , Y. G. Xie , Y. H. Xie , Z. P. Xie , T. Y. Xing , C. F. Xu , C. J. Xu , G. F. Xu , H. Y. Xu , Q. J. Xu , X. P. Xu , Y. C. Xu , Z. P. Xu , F. Yan , L. Yan , W. B. Yan , W. C. Yan , H. J. Yang , H. L. Yang , H. X. Yang , S. L. Yang , Tao Yang , Y. F. Yang , Y. X. Yang , Yifan Yang , M. Ye , M. H. Ye , J. H. Yin , Z. Y. You , B. X. Yu , C. X. Yu , G. Yu , T. Yu , X. D. Yu , C. Z. Yuan , L. Yuan , S. C. Yuan , X. Q. Yuan , Y. Yuan , Z. Y. Yuan , C. X. Yue , A. A. Zafar , F. R. Zeng , X. Zeng , Y. Zeng , X. Y. Zhai , Y. H. Zhan , A. Q. Zhang , B. L. Zhang , B. X. Zhang , D. H. Zhang , G. Y. Zhang , H. Zhang , H. H. Zhang , H. H. Zhang , H. Q. Zhang , H. Y. Zhang , J. L. Zhang , J. Q. Zhang , J. W. Zhang , J. X. Zhang , J. Y. Zhang , J. Z. Zhang , Jianyu Zhang , Jiawei Zhang , L. M. Zhang , L. Q. Zhang , Lei Zhang , P. Zhang , Q. Y. Zhang , Shuihan Zhang , Shulei Zhang , X. D. Zhang , X. M. Zhang , X. Y. Zhang , X. Y. Zhang , Y. Zhang , Y. T. Zhang , Y. H. Zhang , Yan Zhang , Yao Zhang , Z. H. Zhang , Z. L. Zhang , Z. Y. Zhang , Z. Y. Zhang , G. Zhao , J. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , S. J. Zhao , Y. B. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , C. Zhong , X. Zhong , H. Zhou , L. P. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. Z. Zhou , J. Zhu , K. Zhu , K. J. Zhu , L. X. Zhu , S. H. Zhu , S. Q. Zhu , T. J. Zhu , W. J. Zhu , Y. C. Zhu , Z. A. Zhu , J. H. Zou , J. Zu

Baryon Spectroscopy at Beijing Electron Positron Collider

BES Collaboration has collected 58 million $J/\psi$ events at the Beijing Electron-Positron Collider (BEPC). $J/\psi$ decays provide an excellent place for studying excited nucleons and hyperons -- $N^*$, $\Lambda^*$, $\Sigma^*$ and $\Xi^*$…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. S. Zou , X. B. Ji , H. X. Yang , representing BES Collaboration

Double strangeness pentaquarks and other exotic hadrons in the $\Xi_b \to \Xi\ J/\Psi\ \phi$ decay

We study the possibility that four $\Xi$ resonances $(\Xi(1620)$, $\Xi(1690)$, $\Xi(1820)$, $\Xi(1950))$ could correspond to pentaquark states, in the form of meson-baryon bound systems. We also explore the possible existence of doubly…

High Energy Physics - Phenomenology · Physics 2025-03-20 J. A. Marsé-Valera , V. K. Magas , A. Ramos

Search for "anomalies" from neutrino and anti-neutrino oscillations at Delta_m^2 ~ 1eV^2 with muon spectrometers and large LAr-TPC imaging detectors

This proposal describes an experimental search for sterile neutrinos beyond the Standard Model with a new CERN-SPS neutrino beam. The experiment is based on two identical LAr-TPC's followed by magnetized spectrometers, observing the…

Instrumentation and Detectors · Physics 2012-03-30 M. Antonello , D. Bagliani , B. Baibussinov , H. Bilokon , F. Boffelli , M. Bonesini , E. Calligarich , N. Canci , S. Centro , A. Cesana , K. Cieslik , D. B. Cline , A. G. Cocco , D. Dequal , A. Dermenev , R. Dolfini , M. De Gerone , S. Dussoni , C. Farnese , A. Fava , A. Ferrari , G. Fiorillo , G. T. Garvey , F. Gatti , D. Gibin , S. Gninenko , F. Guber , A. Guglielmi , M. Haranczyk , J. Holeczek , A. Ivashkin , M. Kirsanov , J. Kisiel , I. Kochanek , A. Kurepin , J. Łagoda , G. Lucchini , W. C. Louis , S. Mania , G. Mannocchi , S. Marchini , V. Matveev , A. Menegolli , G. Meng , G. B. Mills , C. Montanari , M. Nicoletto , S. Otwinowski , T. J. Palczewski , G. Passardi , F. Perfetto , P. Picchi , F. Pietropaolo , P. Płoński , A. Rappoldi , G. L. Raselli , M. Rossella , C. Rubbia , P. Sala , A. Scaramelli , E. Segreto , D. Stefan , J. Stepaniak , R. Sulej , O. Suvorova , M. Terrani , D. Tlisov , R. G. Van de Water , G. Trinchero , M. Turcato , F. Varanini , S. Ventura , C. Vignoli , H. G. Wang , X. Yang , A. Zani , K. Zaremba , M. Benettoni , P. Bernardini , A. Bertolin , C. Bozza , R. Brugnera , A. Cecchetti , S. Cecchini , G. Collazuol , P. Creti , F. Dal Corso , I. De Mitri , G. De Robertis , M. De Serio , L. Degli Esposti , D. Di Ferdinando , U. Dore , S. Dusini , P. Fabbricatore , C. Fanin , R. A. Fini , G. Fiore , A. Garfagnini , G. Giacomelli , R. Giacomelli , G. Grelli , C. Guandalini , M. Guerzoni , U. Kose , G. Laurenti , M. Laveder , I. Lippi , F. Loddo , A. Longhin , P. Loverre , G. Mancarella , G. Mandrioli , A. Margiotta , G. Marsella , N. Mauri , E. Medinaceli , A. Mengucci , M. Mezzetto , R. Michinelli , M. T. Muciaccia , D. Orecchini , A. Paoloni , A. Pastore , L. Patrizii , M. Pozzato , R. Rescigno , G. Rosa , S. Simone , M. Sioli , G. Sirri , M. Spurio , L. Stanco , S. Stellacci , A. Surdo , M. Tenti , V. Togo , M. Ventura , M. Zago

The Strangeness Physics Program at CLAS

An extensive program of strange particle production off the nucleon is currently underway with the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at Jefferson Laboratory. This talk will emphasize strangeness electroproduction in the…

High Energy Physics - Experiment · Physics 2008-01-08 Daniel S. Carman

Plans for Hadronic Structure Studies at J-PARC

Hadron-physics projects at J-PARC are explained. The J-PARC is the most-intense hadron-beam facility in the multi-GeV high-energy region. By using secondary beams of kaons, pions, and others as well as the primary-beam proton, various…

High Energy Physics - Phenomenology · Physics 2011-09-30 S. Kumano