Related papers: Baryon -- anti-Baryon Photoproduction

Antiproton production in $pp, dp$ and $dd$ collisions close to threshold

The production of antiprotons in $pp$ collisions is investigated close to threshold where experimental data about the total cross section are not available. We analyze the latter reaction within the LUND string model for inclusive $\bar{p}$…

Nuclear Theory · Physics 2016-09-08 G. I. Lykasov , M. V. Rzjanin , W. Cassing

Photoproduction of electron-positron pairs on the proton in the resonance region

Production of lepton pairs in gamma p -> e-e+ p reaction is studied at photon energies up to 1 GeV. We show that even if lepton charge is not measured there are extensive kinematical regimes where the nuclear process dominates over the…

Nuclear Theory · Physics 2009-11-06 A. Yu. Korchin , O. Scholten

Hyperon photo- and electroproduction at CLAS

The large acceptance and high multiplicity capabilities of the CLAS detector make it possible to study a wide range of previously unmeasured strange baryon production processes. Studies of the decay angular distributions of electroproduced…

High Energy Physics - Experiment · Physics 2014-11-17 S. P. Barrow , representing the CLAS collaboration

Searches for Exotic Hadrons at GlueX

The search for hybrid mesons and the detailed study of their spectrum is the primary goal of the GlueX Experiment in Hall D at Jefferson Lab. The identification and study of hybrid mesons promises to provide unique insight into gluonic…

Nuclear Experiment · Physics 2020-08-26 Sean Dobbs

Missing Resonances in Kaon Photoproduction on the Nucleon

New kaon photoproduction data on a proton, gamma + p --> K+ + Lambda, are analyzed using a multipole approach. The background terms are given in terms of gauge invariant, crossing symmetric, Born diagrams with hadronic form factors, while…

Nuclear Theory · Physics 2017-08-23 T. Mart , A. Sulaksono , C. Bennhold

Kaon and hyperon production in antiproton-induced reactions on nuclei

We study the strangeness production in antiproton-nucleus collisions at the beam momenta from 200 MeV/c to 15 GeV/c within the Giessen Botzmann-Uehling-Uhlenbeck (GiBUU) transport model. The GiBUU model contains a very detailed description…

Nuclear Theory · Physics 2013-05-30 A. B. Larionov , T. Gaitanos , U. Mosel

Reanalysis of antiproton production in proton-nucleus and nucleus-nucleus reactions at subthreshold energies

We reanalyse the production of $p\bar{p}$ pairs in proton-nucleus and nucleus-nucleus collisions employing novel elementary cross sections for baryon-baryon and pion-baryon production channels based on a boson-exchange model. In contrast to…

Nuclear Theory · Physics 2009-10-30 A. Sibirtsev , W. Cassing , G. I. Lykasov , M. V. Rzjanin

The Production and Decay Dynamics of the Charmed Baryon $\Lambda_c^+$ in $e^+e^-$ Annihilations near Threshold

The study of the charmed baryons is crucial for investigating the strong and weak interactions in the Standard Model and for gaining insights into the internal structure of baryons. In an $e^+e^-$ experiment the lightest charmed baryon,…

High Energy Physics - Experiment · Physics 2025-12-12 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , Y. Ban , H. -R. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. B. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , M. H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , T. T. Chang , G. R. Che , Y. Z. Che , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , H. Y. Chen , M. L. Chen , S. J. Chen , S. L. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. Chen , Z. Chen , Z. K. Chen , J. Cheng , L. N. Cheng , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. Cottee-Meldrum , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denisenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , Y. X. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , S. X. Du , X. L. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , L. Feng , Q. X. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , X. B. Gao , Y. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , Z. Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , J. Gollub , J. D. Gong , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y. Guan , A. Q. Guo , J. N. Guo , L. B. Guo , M. J. Guo , R. P. Guo , X. Guo , Y. P. Guo , A. Guskov , J. Gutierrez , K. L. Han , T. T. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , Q. P. Hu , S. L. Hu , T. Hu , Y. Hu , Z. M. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , P. Huang , X. T. Huang , Y. P. Huang , Y. S. Huang , T. Hussain , N. Hüsken , N. in der Wiesche , J. Jackson , Q. Ji , Q. P. Ji , W. Ji , X. B. Ji , X. L. Ji , X. Q. Jia , Z. K. Jia , D. Jiang , H. B. Jiang , P. C. Jiang , S. J. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , J. K. Jiao , Z. Jiao , S. Jin , Y. Jin , M. Q. Jing , X. M. Jing , T. Johansson , S. Kabana , X. L. Kang , X. S. Kang , B. C. Ke , V. Khachatryan , A. Khoukaz , O. B. Kolcu , B. Kopf , L. Kröger , M. Kuessner , X. Kui , N. Kumar , A. Kupsc , W. Kühn , Q. Lan , W. N. Lan , T. T. Lei , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. Li , C. K. Li , D. M. Li , F. Li , G. Li , H. B. Li , H. J. Li , H. N. Li , Hui Li , J. R. Li , J. S. Li , J. W. Li , K. Li , K. L. Li , K. L. Li , L. J. Li , Lei Li , M. H. Li , M. R. Li , P. L. Li , P. R. Li , Q. M. Li , Q. X. Li , R. Li , S. X. Li , T. Li , T. Y. Li , W. D. Li , W. G. Li , X. Li , X. H. Li , X. L. Li , X. Y. Li , X. Z. Li , Y. Li , Y. G. Li , Y. P. Li , Z. J. Li , Z. X. Li , Z. Y. Li , C. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. B. Liao , M. H. Liao , Y. P. Liao , J. Libby , A. Limphirat , C. C. Lin , D. X. Lin , L. Q. Lin , T. Lin , B. J. Liu , B. X. Liu , C. Liu , C. X. Liu , F. Liu , F. H. Liu , Feng Liu , G. M. Liu , H. Liu , H. B. Liu , H. H. Liu , H. M. Liu , Huihui Liu , J. B. Liu , J. J. Liu , K. Liu , K. Liu , K. Y. Liu , Ke Liu , L. C. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. M. Liu , W. T. Liu , X. Liu , X. Liu , X. K. Liu , X. L. Liu , X. Y. Liu , Y. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. D. Liu , Z. Q. Liu , X. C. Lou , H. J. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. H. Lu , Y. P. Lu , Z. H. Lu , C. L. Luo , J. R. Luo , J. S. Luo , M. X. Luo , T. Luo , X. L. Luo , Z. Y. Lv , X. R. Lyu , Y. F. Lyu , Y. H. Lyu , F. C. Ma , H. L. Ma , Heng Ma , J. L. Ma , L. L. Ma , L. R. Ma , Q. M. Ma , R. Q. Ma , R. Y. Ma , T. Ma , X. T. Ma , X. Y. Ma , Y. M. Ma , F. E. Maas , I. MacKay , M. Maggiora , S. Malde , Q. A. Malik , H. X. Mao , Y. J. Mao , Z. P. Mao , S. Marcello , A. Marshall , F. M. Melendi , Y. H. Meng , Z. X. Meng , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , B. Moses , N. Yu. Muchnoi , J. Muskalla , Y. Nefedov , F. Nerling , Z. Ning , S. Nisar , Q. L. Niu , W. D. Niu , Y. Niu , C. Normand , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , Y. P. Pei , M. Pelizaeus , H. P. Peng , X. J. Peng , Y. Y. Peng , K. Peters , K. Petridis , J. L. Ping , R. G. Ping , S. Plura , V. Prasad , F. Z. Qi , H. R. Qi , M. Qi , S. Qian , W. B. Qian , C. F. Qiao , J. H. Qiao , J. J. Qin , J. L. Qin , L. Q. Qin , L. Y. Qin , P. B. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , Z. H. Qu , J. Rademacker , C. F. Redmer , A. Rivetti , M. Rolo , G. Rong , S. S. Rong , F. Rosini , Ch. Rosner , M. Q. Ruan , N. Salone , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , Z. J. Shang , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. Shi , J. L. Shi , J. Y. Shi , S. Y. Shi , X. Shi , H. L. Song , J. J. Song , T. Z. Song , W. M. Song , Y. J. Song , Y. X. Song , Zirong Song , S. Sosio , S. Spataro , F. Stieler , M. Stolte , S. S Su , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , R. Sun , S. S. Sun , T. Sun , Y. C. Sun , Y. H. Sun , Y. J. Sun , Y. Z. Sun , Z. Q. Sun , Z. T. Sun , C. J. Tang , G. Y. Tang , J. Tang , J. J. Tang , L. F. Tang , Y. A. Tang , L. Y. Tao , M. Tat , J. X. Teng , J. Y. Tian , W. H. Tian , Y. Tian , Z. F. Tian , I. Uman , E. van der Smagt , B. Wang , B. Wang , Bo Wang , C. Wang , C. Wang , Cong Wang , D. Y. Wang , H. J. Wang , J. J. Wang , K. Wang , L. L. Wang , L. W. Wang , M. Wang , M. Wang , N. Y. Wang , S. Wang , S. Wang , T. Wang , T. J. Wang , W. Wang , W. Wang , W. P. Wang , X. Wang , X. F. Wang , X. J. Wang , X. L. Wang , X. N. Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. H. Wang , Y. J. Wang , Y. L. Wang , Y. N. Wang , Y. N. Wang , Y. Q. Wang , Yaqian Wang , Yi Wang , Yuan Wang , Z. Wang , Z. Wang , Z. L. Wang , Z. L. Wang , Z. Q. Wang , Z. Y. Wang , Ziyi Wang , D. Wei , D. H. Wei , H. R. Wei , F. Weidner , S. P. Wen , Y. R. Wen , U. Wiedner , G. Wilkinson , M. Wolke , C. Wu , J. F. Wu , L. H. Wu , L. J. Wu , Lianjie Wu , S. G. Wu , S. M. Wu , X. Wu , X. H. Wu , Y. J. Wu , Z. Wu , L. Xia , X. M. Xian , B. H. Xiang , D. Xiao , G. Y. Xiao , H. Xiao , Y. L. Xiao , Z. J. Xiao , C. Xie , K. J. 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 , M. Xu , Q. J. Xu , Q. N. Xu , T. D. Xu , W. Xu , W. L. Xu , X. P. Xu , Y. Xu , Y. C. Xu , Z. S. Xu , F. Yan , F. Yan , H. Y. Yan , L. Yan , W. B. Yan , W. C. Yan , W. H. Yan , W. P. Yan , X. Q. Yan , H. J. Yang , H. L. Yang , H. X. Yang , J. H. Yang , R. J. Yang , Y. Yang , Y. H. Yang , Y. Q. Yang , Y. X. Yang , Y. Z. Yang , Z. P. Yao , M. Ye , M. H. Ye , Z. J. Ye , Junhao Yin , Z. Y. You , B. X. Yu , C. X. Yu , G. Yu , J. S. Yu , L. W. Yu , M. C. Yu , T. Yu , X. D. Yu , Y. C. Yu , C. Z. Yuan , H. Yuan , J. Yuan , J. Yuan , L. Yuan , M. K. Yuan , S. C. Yuan , S. H. Yuan , X. Q. Yuan , Y. Yuan , Z. Y. Yuan , C. X. Yue , Ying Yue , A. A. Zafar , F. R. Zeng , S. H. Zeng , X. Zeng , Y. J. Zeng , Y. J. Zeng , Y. C. Zhai , Y. H. Zhan , A. Q. Zhang , B. L. Zhang , B. X. Zhang , D. H. Zhang , G. Y. Zhang , G. Y. Zhang , H. Zhang , H. Zhang , H. C. Zhang , H. H. Zhang , H. Q. Zhang , H. R. Zhang , H. Y. Zhang , J. Zhang , J. J. Zhang , J. L. Zhang , J. Q. Zhang , J. S. Zhang , J. W. Zhang , J. X. Zhang , J. Y. Zhang , J. Z. Zhang , Jianyu Zhang , L. M. Zhang , Lei Zhang , N. Zhang , P. Zhang , Q. Zhang , Q. Y. Zhang , R. Y. Zhang , S. H. Zhang , Shulei Zhang , X. M. Zhang , X. Y Zhang , X. Y. Zhang , Y. Zhang , Y. Zhang , Y. T. Zhang , Y. H. Zhang , Y. M. Zhang , Y. P. Zhang , Z. D. Zhang , Z. H. Zhang , Z. L. Zhang , Z. L. Zhang , Z. X. Zhang , Z. Y. Zhang , Z. Y. Zhang , Z. Y. Zhang , Zh. Zh. Zhang , G. Zhao , J. Y. Zhao , J. Z. Zhao , L. Zhao , L. Zhao , M. G. Zhao , N. Zhao , R. P. Zhao , S. J. Zhao , Y. B. Zhao , Y. L. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , B. M. Zheng , J. P. Zheng , W. J. Zheng , X. R. Zheng , Y. H. Zheng , B. Zhong , C. Zhong , H. Zhou , J. Q. Zhou , S. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. X. Zhou , Y. Z. Zhou , A. N. Zhu , J. Zhu , K. Zhu , K. J. Zhu , K. S. Zhu , L. Zhu , L. X. Zhu , S. H. Zhu , T. J. Zhu , W. D. Zhu , W. D. Zhu , W. J. Zhu , W. Z. Zhu , Y. C. Zhu , Z. A. Zhu , X. Y. Zhuang , J. H. Zou , J. Zu

$\Lambda_{\rm c}^+$ production in pp collisions at $\sqrt{s} = 7$ TeV and in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV

The $p_{\rm T}$-differential production cross section of prompt $\Lambda_{\rm c}^+$ charmed baryons was measured with the ALICE detector at the Large Hadron Collider (LHC) in pp collisions at $\sqrt{s} = 7$ TeV and in p-Pb collisions at…

Nuclear Experiment · Physics 2018-08-01 ALICE Collaboration

Anti-Hyperon Enhancement through Baryon Junction Loops

The baryon junction exchange mechanism recently proposed to explain valence baryon number transport in nuclear collisions is extended to study midrapidity anti-hyperon production. Baryon junction-anti-junction (J anti-J) loops are shown to…

Nuclear Theory · Physics 2009-10-09 Stephen E. Vance , Miklos Gyulassy

Hyperon dynamics and production of multi-strangeness hypernuclei in heavy-ion collisions at 3A GeV

Within the microscopic transport, systematic investigation of the many facets of hyperons and hypernuclei up to strangeness $S = -2$ are carried out for $^{197}$Au + $^{197}$Au and $^{40}$Ca + $^{40}$Ca at the incident energy of $3A$ GeV.…

Nuclear Theory · Physics 2022-06-28 Hui-Gan Cheng , Zhao-Qing Feng

Hadronic Production of Lambda_c from 600 GeV/c pion, sigma and proton beams

We present data from Fermilab experiment E781 (SELEX) on the hadroproduction asymmetry for anti-Lambda_c compared to Lambda_c+ as a function of xF and pt2 distributions for Lambda_c+. These data were measured in the same apparatus using…

High Energy Physics - Experiment · Physics 2008-11-26 SELEX Collaboration , Fernanda G. Garcia

Evidence for a narrow structure at W~1.68 GeV in eta photoproduction on the neutron

New results on quasi-free $\eta$ photoproduction on the neutron and proton bound in a deuteron target are presented. The $\gamma n \to \eta n$ quasi-free cross section reveals a bump-like structure which is not seen in the cross section on…

High Energy Physics - Experiment · Physics 2008-12-18 V. Kuznetsov , S. Churikova , G. Gervino , F. Ghio , B. Girolami , D. Ivanov , J. Jang , A. Kim , W. Kim , A. Ni , Yu. Vorobiev , M. Yurov , A. Zabrodin

Photoproduction of eta-Mesons off 3He

Photoproduction of eta-mesons off 3He has been studied at the MAMI accelerator using the Crystal Ball/TAPS detector setup. The total cross section for the coherent eta-photoproduction was measured with improved statistical quality. Both,…

Nuclear Experiment · Physics 2011-09-01 Lilian Witthauer

Photoproduction of the $\Lambda$(1405) Hyperon

We propose to use the high current photon beam available at A2 to produce the isosinglet $\Lambda(1405)1/2^-$ hyperon at threshold via $\gamma p\rightarrow K^+\Lambda(1405)$. Its nature is still controversial and actively debated. Since the…

Nuclear Experiment · Physics 2018-02-07 D. Werthmüller , R. A. Schumacher

A study of the centrally produced baryon-antibaryon systems in pp interactions at 450 GeV/c

A study of the centrally produced ppbar, ppbarpi, ppbarpipi and lambda lambda channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. No significant new structures are observed in the mass spectra,…

High Energy Physics - Experiment · Physics 2015-06-25 The WA102 Collaboration , D. Barberis et al

Photoproduction of $K^{+}\Lambda$ with a Regge-plus-resonance model

Making use of the hybrid Regge-plus-resonance model, we investigate the process of kaon photoproduction off the proton target. We present a new model whose free parameters were adjusted to data in and above the resonance region and which…

Nuclear Theory · Physics 2019-09-18 Petr Bydžovský , Dalibor Skoupil

Antiproton Production and Antudeuteron Production Limits in Relativistic Heavy Ion Collisions

We present results from Experiment 864 for antiproton production and antideuteron limits in Au + Pb collisions at 11.5 GeV/c per nucleon. We have measured invariant multiplicities for antiprotons for rapidities 1.4<y<2.4 at low transverse…

Nuclear Experiment · Physics 2011-08-19 T. A. Armstrong

Near-threshold photoproduction of $\Lambda(1520)$ from protons and deuterons

Photoproduction of $\Lambda$(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross sections were measured at low energies…

Nuclear Experiment · Physics 2009-09-02 LEPS Collaboration , N. Muramatsu , J. Y. Chen , W. C. Chang , D. S. Ahn , J. K. Ahn , H. Akimune , Y. Asano , S. Daté , H. Ejiri , H. Fujimura , M. Fujiwara , S. Fukui , S. Hasegawa , K. Hicks , K. Horie , T. Hotta , K. Imai , T. Ishikawa , T. Iwata , Y. Kato , H. Kawai , K. Kino , H. Kohri , N. Kumagai , S. Makino , T. Matsuda , T. Matsumura , N. Matsuoka , T. Mibe , M. Miyabe , M. Miyachi , T. Nakano , M. Niiyama , M. Nomachi , Y. Ohashi , H. Ohkuma , T. Ooba , D. S. Oshuev , C. Rangacharyulu , A. Sakaguchi , P. M. Shagin , Y. Shiino , H. Shimizu , Y. Sugaya , M. Sumihama , Y. Toi , H. Toyokawa , A. Wakai , C. W. Wang , S. C. Wang , K. Yonehara , T. Yorita , M. Yoshimura , M. Yosoi , R. G. T. Zegers

$\phi$-meson photoproduction on Hydrogen in the neutral decay mode

We report the first measurement of the photoproduction cross section of the $\phi$ meson in its neutral decay mode in the reaction $\gamma p \to p\phi(K_SK_L)$. The experiment was performed with a tagged photon beam of energy $1.6 \le…

High Energy Physics - Experiment · Physics 2014-05-28 CLAS Collaboration