Related papers: Observation of a Be double-Lambda hypernucleus in …

Hypernuclei and Antihypernuclei Production in Heavy-Ion Collisions

In these proceedings, an overview of recent hypernuclei measurements in heavy ion collisions is presented. These results include the lifetime, $\Lambda$ binding energy, production yield, and directed flow in heavy ion collisions. These…

Nuclear Experiment · Physics 2022-04-05 Yue Hang Leung

Evidence for the $^{15}\text{Be}$ ground state from $^{12}$Be$+3$n events

Background: $^{15}$Be is an unbound nuclide that has been observed to decay by one-neutron emission. Shell model calculations predict two low-lying states in its energy spectrum, however, only a single resonance has been observed from…

Nuclear Experiment · Physics 2024-11-08 A. N. Kuchera , R. Shahid , J. Zhao , A. Edmondson , P. A. DeYoung , N. Frank , J. McDonaugh , O. Peterson-Veatch , W. F. Rogers , T. Redpath , M. Thoennessen

Analysis of the $^{3}{\rm He}(\alpha, \gamma)^{7}{\rm Be}$ and $^{3}{\rm H}(\alpha,\gamma)^{7}{\rm Li}$ astrophysical direct capture reactions in a modified potential-model approach

Astrophysical $S$ factors and reaction rates of the direct radiative capture processes $^{3}{\rm He}(\alpha, \gamma)^{7}{\rm Be}$ and $^{3}{\rm H}(\alpha,\gamma)^{7}{\rm Li}$, as well as the primordial abundance of the $^{7}{\rm Li}$…

Nuclear Theory · Physics 2020-11-24 E. M. Tursunov , S. A. Turakulov , A. S. Kadyrov

First measurement of $\Sigma^{+}n\rightarrow\Lambda p$ and $\Sigma^{+}n\rightarrow\Sigma^{0}p$ cross sections via $\Sigma^+$-nucleus scattering at an electron-positron collider

Using $(1.0087\pm0.0044)\times10^{10}$ $J/\psi$ events collected with the BESIII detector at the BEPCII storage ring, the reactions $\Sigma^{+}n\rightarrow\Lambda p$ and $\Sigma^{+}n\rightarrow\Sigma^{0}p$ are studied, where the…

High Energy Physics - Experiment · Physics 2026-03-26 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. 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 , G. R. Che , Y. Z. Che , G. Chelkov , C. Chen , 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 , Y. B. Chen , Y. Q. Chen , Z. J. Chen , Z. K. Chen , 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 , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denysenko , 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 , 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 , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , X. B. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , Yang Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , 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 , L. B. Guo , M. J. Guo , R. P. 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 , T. Holtmann , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , B. Y. Hu , 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 , S. Janchiv , Q. Ji , Q. P. Ji , W. Ji , X. B. Ji , X. L. Ji , Y. Y. Ji , Z. K. Jia , D. Jiang , H. B. Jiang , P. C. Jiang , S. J. Jiang , T. 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 , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , M. Kavatsyuk , B. C. Ke , V. Khachatryan , A. Khoukaz , R. Kiuchi , O. B. Kolcu , B. Kopf , 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 , Cheng 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 , 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 , 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. 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 , C. X. 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. Liu , L. C. Liu , Lu Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. K. Liu , W. M. Liu , W. T. Liu , X. Liu , X. Liu , X. Y. Liu , Y. Liu , Y. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. D. Liu , Z. Q. Liu , X. C. Lou , F. X. Lu , H. J. Lu , J. G. 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. Ma , H. L. 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 , Y. J. Mao , Z. P. Mao , S. Marcello , F. M. Melendi , Y. H. Meng , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , B. Moses , N. Yu. Muchnoi , J. Muskalla , Y. Nefedov , F. Nerling , L. S. Nie , I. B. Nikolaev , Z. Ning , S. Nisar , Q. L. Niu , W. D. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , Y. P. Pei , M. Pelizaeus , H. P. Peng , Y. Y. Peng , K. Peters , 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 , C. F. Redmer , A. Rivetti , M. Rolo , G. Rong , S. S. Rong , F. Rosini , Ch. Rosner , M. Q. Ruan , S. N. 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. X. Song , S. Sosio , S. Spataro , F. Stieler , S. S Su , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. 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 , L. F. Tang , M. 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 , B. Wang , B. Wang , Bo 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 , 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. L. Wang , Y. N. Wang , Y. Q. Wang , Yaqian Wang , Yi Wang , Yuan Wang , Z. Wang , Z. L. Wang , Z. L. Wang , Z. Q. Wang , Z. Y. Wang , 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 , T. Xiang , D. Xiao , G. Y. Xiao , H. Xiao , Y. L. Xiao , Z. J. Xiao , C. Xie , K. J. 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 , H. Y. Xu , M. Xu , Q. J. Xu , Q. N. Xu , W. L. Xu , X. P. Xu , Y. Xu , Y. Xu , Y. C. Xu , Z. S. Xu , H. Y. Yan , L. Yan , W. B. Yan , W. C. Yan , W. P. Yan , X. Q. Yan , H. J. Yang , H. L. Yang , H. X. Yang , J. H. Yang , R. J. Yang , T. Yang , Y. Yang , Y. F. Yang , Y. H. Yang , Y. Q. Yang , Y. X. Yang , Y. Z. Yang , M. Ye , M. H. Ye , Junhao Yin , Z. Y. You , B. X. Yu , C. X. Yu , G. Yu , J. S. Yu , M. C. 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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 , X. Zhong , H. Zhou , J. Q. Zhou , J. Y. Zhou , S. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. Z. Zhou , Z. C. 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

Electroproduction of the $\Lambda(1520)$ hyperon

The reaction $ep \to e'K^+\Lambda(1520)$ with $\Lambda(1520) \to p'K^-$ was studied at electron beam energies of 4.05, 4.25, and 4.46 GeV, using the CLAS detector at the Thomas Jefferson National Accelerator Facility. The cos$\theta_{K^+}$,…

High Energy Physics - Experiment · Physics 2010-04-06 S. P. Barrow

Theoretical analysis on the $K^{-} {}^{3} \text{He} \to \Lambda p n$ reaction for the $\bar{K} N N$ bound-state search in the J-PARC E15 experiment

We theoretically analyze the $K^{-} {}^{3} \text{He} \to \Lambda p n$ reaction for the $\bar{K} N N$ bound-state search in the J-PARC E15 experiment. We find that, by detecting a fast and forward neutron in the final state, an almost…

Nuclear Theory · Physics 2018-02-21 Takayasu Sekihara , Eulogio Oset , Angels Ramos

Alpha-resonance structure in $^{11}$C studied via resonant scattering of $^{7}$Be+$\alpha$ and $^{7}$Be($\alpha$, $p$) reaction

The resonance structure in $^{11}$C is particularly of interest with regard to the astrophysical $^{7}$Be($\alpha$, $\gamma$) reaction, relevant at high temperature, and to the $\alpha$-cluster structure in $^{11}$C. The measurement was to…

Nuclear Experiment · Physics 2015-06-12 H. Yamaguchi , D. Kahl , Y. Wakabayashi , S. Kubono , T. Hashimoto , S. Hayakawa , T. Kawabata , N. Iwasa , T. Teranishi , Y. K. Kwon , D. N. Binh , L. H. Khiem , N. N. Duy

Low-energy Coulomb excitation of $^{62}$Fe and $^{62}$Mn following in-beam decay of $^{62}$Mn

Sub-barrier Coulomb-excitation was performed on a mixed beam of $^{62}$Mn and $^{62}$Fe, following in-trap $\beta^{-}$ decay of $^{62}$Mn at REX-ISOLDE, CERN. The trapping and charge breeding times were varied in order to alter the…

Nuclear Experiment · Physics 2015-10-28 L. P. Gaffney , J. Van de Walle , B. Bastin , V. Bildstein , A. Blazhev , N. Bree , J. Cederkäll , I. Darby , H. De Witte , D. DiJulio , J. Diriken , V. N. Fedosseev , Ch. Fransen , R. Gernhäuser , A. Gustafsson , H. Hess , M. Huyse , N. Kesteloot , Th. Kröll , R. Lutter , B. A. Marsh , P. Reiter , M. Seidlitz , P. Van Duppen , D. Voulot , N. Warr , F. Wenander , K. Wimmer , K. Wrzosek-Lipska

Study of some two-body non-mesonic decays of $^4_\Lambda$He and $^5_\Lambda$He

The Non-Mesonic (NM) decay of $^4_\Lambda{\mathrm{He}}$ and $^5_\Lambda{\mathrm{He}}$ in two-body channels has been studied by the FINUDA Collaboration. Two-body NM decays of hypernuclei are rare and the existing observations and…

Nuclear Experiment · Physics 2015-03-17 FINUDA Collaboration , M. Agnello , L. Benussi , M. Bertani , H. C. Bhang , G. Bonomi , E. Botta , M. Bregant , T. Bressani , S. Bufalino , L. Busso , D. Calvo , P. Camerini , B. Dalena , F. De Mori , G. D'Erasmo , F. L. Fabbri , A. Feliciello , A. Filippi , E. M. Fiore , A. Fontana , H. Fujioka , P. Genova , P. Gianotti , N. Grion , V. Lucherini , S. Marcello , N. Mirfakhrai , F. Moia , O. Morra , T. Nagae , H. Outa , A. Pantaleo , V. Paticchio , S. Piano , R. Rui , G. Simonetti , R. Wheadon , A. Zenoni

Prospects to study hyperon-nucleon interactions at BESIII

The prospects to study hyperon-nuclei/nucleon interactions at BESIII and similar $e^+ e^-$ colliders are proposed in this work. Utilizing the large quantity of hyperons produced by the decay of 10 billion $J/\psi$ and 2.7 billion…

High Energy Physics - Experiment · Physics 2025-06-24 Jianping Dai , Hai-Bo Li , Han Miao , Jianyu Zhang

Reaction rate for two--neutron capture by $^4$He

Recent investigations suggest that the neutrino--heated hot bubble between the nascent neutron star and the overlying stellar mantle of a type--II supernova may be the site of the r--process. In the preceding $\alpha$--process building up…

Nuclear Theory · Physics 2009-10-30 V. D. Efros , W. Balogh , H. Herndl , R. Hofinger , H. Oberhummer

Exposure of Nuclear Track Emulsion to a Mixed Beam of Relativistic $^{12}$N, $^{10}$C, and $^7$Be Nuclei

A nuclear track emulsion was exposed to a mixed beam of relativistic $^{12}$N, $^{10}$C, and $^7$Be nuclei having a momentum of 2 GeV/$c$ per nucleon. The beam was formed upon charge exchange processes involving $^{12}$C primary nuclei and…

Nuclear Experiment · Physics 2011-04-29 R. R. Kattabekov , K. Z. Mamatkulov , D. A. Artemenkov , V. Bradnova , D. M. Zhomurodov , M. Haiduc , S. P. Kharlamov , V. N. Kondratieva , D. O. Krivenkov , A. I. Malakhov , G. I. Orlova , N. G. Peresadko , Z. A. Igamkulov , N. G. Polukhina , P. A. Rukoyatkin , V. V. Rusakova , R. Stanoeva , S. Vokal , P. I. Zarubin , I. G. Zarubina

Two and three nucleon K- absorption in nuclei

We analyze the peaks in the (Lambda p) and (Lambda d) invariant mass distributions, observed in recent FINUDA experiments and claimed to be signals of deeply bound kaonic states, and find them to be naturally explained in terms of K-…

Nuclear Theory · Physics 2010-05-13 V. K. Magas , E. Oset , A. Ramos

Evidence of Xi hypernuclear production in the ^{12}C(K^-,K^+)^{12}_{Xi}Be reaction

The E885 collaboration utilized the 1.8 GeV/c K^- beam line at the AGS to accumulate 3 x 10^5 (K^-,K^+) events. Xi hypernuclear states are expected to be produced through the reaction K^- + ^{12}C -> K^+ + ^{12}_{Xi}Be. The measured…

Nuclear Experiment · Physics 2011-08-19 P. Khaustov , D. E. Alburger , P. D. Barnes , B. Bassalleck , A. R. Berdoz , A. Biglan , T. Buerger , D. S. Carman , R. E. Chrien , C. A. Davis , H. Fischer , G. B. Franklin , J. Franz , L. Gan , A. Ichikawa , T. IijIma , K. Imai , Y. Kondo , P. Koran , M. Landry , L. Lee , J. Lowe , R. Magahiz , M. May , R. McCrady , C. A. Meyer , F. Merrill , T. Motoba , S. A. Page , K. Paschke , P. H. Pile , B. Quinn , W. D. Ramsay , A. Rusek , R. Sawafta , H. Schmitt , R. A. Schumacher , R. W. Stotzer , R. Sutter , F. Takeutchi , W. T. H. van Oers , K. Yamamoto , Y. Yamamoto , M. Yosoi , V. J. Zeps

Antimatter $^4_{\Lambda}$H Hypernucleus Production and the $^3_{\Lambda}$H/$^3$He Puzzle in Relativistic Heavy-Ion Collisions

We show that the measured yield ratio $^3_{\Lambda}$H/$^3$He ($^3_{\overline{\Lambda}}\overline{\text{H}}$/$^3\overline{\text{He}}$) in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV and in Pb+Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV can be…

Nuclear Theory · Physics 2016-07-06 Kai-Jia Sun , Lie-Wen Chen

Background Estimation Studies for Positron Double Beta Decay

The study of neutrinoless double beta decay has attracted much attention as it can provide valuable information about the mass and the nature of the neutrino. The double beta decay (DBD) itself is also of interest in nuclear physics. While…

Instrumentation and Detectors · Physics 2021-11-18 Swati Thakur , A. Mazumdar , R. Shah , V. Vatsa , V. Nanal , M. S. Pose , Pushpendra P. Singh , P. K. Raina , R. G. Pillay

Low-energy $^3$He($\alpha$,$\alpha$)$^3$He elastic scattering and the $^3$He($\alpha$,$\gamma$)$^7$Be reaction

The cross sections of the $^3$He($\alpha$,$\alpha$)$^3$He and $^3$He($\alpha$,$\gamma$)$^7$Be reactions are studied at low energies using a simple two-body model in combination with a double-folding potential. At very low energies the…

Nuclear Theory · Physics 2009-07-09 P. Mohr

Production of a 4He_Lambda hypernucleus in the 4He(pi, K) reactions reexamined

We investigate theoretically production cross sections of the $J^\pi=$ 0$^+$ ground state of a $^4_\Lambda$He hypernucleus in the $^4$He($\pi$,~$K$) reaction with a distorted-wave impulse approximation using the optimal Fermi-averaged $\pi…

Nuclear Theory · Physics 2019-09-04 Toru Harada , Yoshiharu Hirabayashi

Measurement of the proton spectra from Non-Mesonic Weak Decay of $^5_{\Lambda}He$, $^7_{\Lambda}Li$ and $^{12}_{\Lambda}C$

The results of a measurement of the proton spectra following the Non--Mesonic Weak Decay of $\mathrm{^5_{\Lambda}He}$, $\mathrm{^7_{\Lambda}Li}$ and $\mathrm{^{12}_{\Lambda}C}$ are presented and discussed. The experiment was performed at…

Nuclear Experiment · Physics 2019-08-13 M. Agnello

Hypernucleus Production by $A(p,pK^+)_{\Lambda}B$ Reactions

The $\Lambda$-hypernucleus production by $A(p, pK^+)_{\Lambda}B$ reactions is investigated within the framework of the distorted wave impulse approximation(DWIA). The amplitude for the elementary process is evaluated in a fully covariant…

Nuclear Theory · Physics 2008-05-10 Hantao Jing , Pengnian Shen , Huanching Chiang