Related papers: Anti-Hyperon Enhancement through Baryon Junction L…

Anti-Lambda/Anti-Proton ratios at the AGS

We attempt to explain the large ${\bar \Lambda}/\bar p$ ratios measured in heavy ion collisions at $12~{\rm A\cdot GeV}/c$ beam momentum within an hadronic framework. The ratios are large compared to corresponding ratios in $pp$ collisions,…

Nuclear Theory · Physics 2007-05-23 G. J. Wang , R. Bellwied , C. Pruneau , G. Welke

Anomalous baryon production in heavy ion collisions at LHC energies

In ultrarelativistic heavy ion collisions the baryon-meson ratio is not fully understood in the intermediate-to-high transverse momentum region. Although quark coalescence methods combined with jet fragmentation yield results close to the…

High Energy Physics - Phenomenology · Physics 2012-08-03 Dániel Berényi , Attila Pásztor , Vladimir Skokov , Péter Lévai

Forward Lambda Production and Nuclear Stopping Power in d+Au Collisions at RHIC

Using the forward time projection chambers of STAR we measure the centrality dependent Lambda and Anti-Lambda yields in d+Au collisions at \sqrt{s_{NN} = 200 GeV at forward and backward rapidities. The contributions of different processes…

Nuclear Experiment · Physics 2019-08-14 Frank Simon

Heavy Hyperon--Antihyperon Production

Based on the experience from the production of anti-Lambda Lambda and anti-Sigma Sigma pairs at LEAR (experiment PS185) it is suggested to continue the investigations towards the heavier antihyperon--hyperon pairs anti-Xi Xi and anti-Omega…

High Energy Physics - Experiment · Physics 2009-03-20 W. Oelert , D. Grzonka , L. Jarczyk , K. Kilian , P. Moskal , P. Winter

Study of $\bar{\Lambda}$-$p$ Annihilation into Light Mesons

The annihilation of $\bar{\Lambda}$-$p$ into light mesons is studied using $(10.087\pm0.044)\times10^{9}$ $J/\psi$ events collected with the BESIII detector at the BEPCII storage ring. The $\bar{\Lambda}$ baryons are produced in the process…

High Energy Physics - Experiment · Physics 2026-02-05 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , C. S. Akondi , R. Aliberti , A. Amoroso , Q. An , Y. H. An , Y. Bai , O. Bakina , H. -R. Bao , X. L. Bao , M. Barbagiovanni , 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 , D. Cabiati , 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. M. Chen , T. Chen , W. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. 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 , X. C. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denisenko , M. Destefanis , F. De Mori , E. Di Fiore , X. X. Ding , Y. Ding , Y. X. Ding , Yi. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , Shaoxu Du , X. L. Du , Y. Q. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , Jin Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , 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 , Y. Gao , Y. N. Gao , Y. Y. Gao , Yunong 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. B. Gong , J. D. Gong , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. D. Gu , M. H. Gu , C. Y. Guan , A. Q. Guo , H. Guo , J. N. Guo , L. B. Guo , M. J. Guo , R. P. Guo , X. Guo , Y. P. Guo , Z. Guo , A. Guskov , J. Gutierrez , J. Y. Han , T. T. Han , X. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , C. Z. He , 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 , Y. X. 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 , Y. Y. Ji , L. K. Jia , X. Q. Jia , D. Jiang , H. B. Jiang , S. J. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , J. K. Jiao , Z. Jiao , L. C. L. Jin , 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 , L. Krümmel , Y. Y. Kuang , 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. H. Li , C. K. Li , Chunkai Li , Cong Li , D. M. Li , F. Li , G. Li , H. B. Li , H. 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Light nuclei production in pp and pA collisions in the Baryon Canonical Ensemble

The increase in yields of light nuclei with charged particle multiplicity, as reported by the ALICE collaboration at CERN in p-p and p-Pb collisions at the LHC energy is investigated in the thermal hadron resonance gas model. The model is…

Nuclear Theory · Physics 2023-05-11 Natasha Sharma , Lokesh Kumar , Pok Man Lo , Krzysztof Redlich

Antibaryons bound in nuclei

We study the possibility of producing a new kind of nuclear systems which in addition to ordinary nucleons contain a few antibaryons (antiproton, antilambda, etc.). The properties of such systems are described within the relativistic…

Nuclear Theory · Physics 2009-11-10 I. N. Mishustin , L. M. Satarov , T. J. Buervenich , H. Stoecker , W. Greiner

Hypernucleus formation and strangeness production in proton-nucleus reactions

We study the production of $\Lambda$ hyperons in $p + A$ reactions on the basis of a BUU transport approach from 1.1 to 1.9 GeV and evaluate the properties of the hypernuclei produced in particular with respect to their momentum…

Nuclear Theory · Physics 2007-05-23 W. Cassing , Z. Rudy , L. Jarczyk , B. Kamys , P. Kulessa , O. W. B. Schult , A. Sibirtsev , A. Strzałkowski

New Insight into Antiproton Production and Reabsorption Using Proton-Nucleus Collisions at the AGS

Antiproton ($\bar{p}$) yields are presented for proton-nucleus collisions, with targets Be, Cu, and Au, at beam momenta of 12.3 and 17.5 GeV/c. In addition to target size and beam momentum, the number of projectile collisions $\nu$, as…

Nuclear Experiment · Physics 2017-08-23 S. Mioduszewski

Jet Structure of Baryon Excess in Au+Au Collisions at sqrt(s_NN) = 200 GeV

Two particle correlations between identified meson and baryon trigger particles with 2.5 < p_T < 4.0 GeV/c and lower p_T charged hadrons have been measured at midrapidity by the PHENIX experiment at RHIC in p+p, d+Au and Au+Au collisions at…

Nuclear Experiment · Physics 2008-11-26 PHENIX Collaboration , S. S. Adler

Multistrange baryon production in relativistic heavy ion collisions

Using a multiphase transport model, we study the production of multistrange baryons from the hadronic matter formed in relativistic heavy ion collisions. The mechanism we introduce is the strangeness-exchange reactions between antikaons and…

Nuclear Theory · Physics 2015-06-26 Subrata Pal , C. M. Ko , Zi-wei Lin

Energy dependence of hyperon production in nucleus-nucleus collisions at SPS

A measurement of strange baryon and antibaryon production in Pb-Pb collisions has been carried out by the NA57 experiment at the CERN SPS, with 40 and 158 A GeV/c beam momentum. Results on $\Lambda$, $\Xi$ and $\Omega$ hyperon yields at…

Nuclear Experiment · Physics 2012-08-27 The NA57 Collaboration

Influence of anisotropic $\Lambda/\Sigma$ creation on the $\Xi^-$ mutiplicity in subthreshold proton-nucleus collisions

We present an analysis of $\Xi^-$ baryon production in subthreshold proton--nucleus ($p+A$) collisions in the framework of a BUU type transport model. We propose a new mechanism for $\Xi$ production in the collision of a secondary $\Lambda$…

Nuclear Theory · Physics 2018-09-11 Miklós Zétényi , György Wolf

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

Baryon Stopping at HERA: Evidence for Gluonic Mechanism

Recent results from the H1 experiment [1] have confirmed the existence of a substantial baryon asymmetry of the proton sea at small $x$ with magnitude predicted in hep-ph/9607486. This is a strong support for the idea [3] that baryon number…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Z. Kopeliovich , B. Povh

Multi-strange baryon production in pp, p-Pb and Pb-Pb collisions measured with ALICE at the LHC

Multi-strange baryons are of particular interest in the understanding of particle production mechanisms, as their high strangeness content makes them susceptible to changes in the hadrochemistry of the colliding systems. In ALICE, these…

Nuclear Experiment · Physics 2019-08-13 Didier Alexandre

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

Baryon String-Junction Torus: an Appearance in High Energy Proton Collisions

The topological presentation of pomeron exchange at the proton-proton collision of high energy is cylinder that is covered with the net of quark-gluon exchanges. I suggest that the process of double diffraction dissociation (DD) can be…

High Energy Physics - Phenomenology · Physics 2019-09-19 Olga I. Piskounova

Enhanced binding and cold compression of nuclei due to admixture of antibaryons

We discuss the possibility of producing a new kind of nuclear system by putting a few antibaryons inside ordinary nuclei. The structure of such systems is calculated within the relativistic mean--field model assuming that the nucleon and…

Nuclear Theory · Physics 2009-11-07 T. Buervenich , I. N. Mishustin , L. M. Satarov , J. A. Maruhn , H. Stoecker , W. Greiner

Baryon stopping in 40 and 158 GeV/nucleon Pb+Pb collisions

Proton rapidity distributions have been measured by the NA49 collaboration in 40 and 158 GeV/nucleon Pb+Pb collisions as function of collision centrality. We find that the shape and the yield per wounded nucleon in the mid-rapidity region…

Nuclear Experiment · Physics 2014-11-20 H. Stroebele