Related papers: Implementation of antiproton generator in Geant4

First study of antihyperon-nucleon scattering $\bar{\Lambda}p\rightarrow\bar{\Lambda}p$ and measurement of $\Lambda p\rightarrow\Lambda p$ cross section

Using $(10.087\pm0.044)\times10^{9}$ $J/\psi$ events collected with the BESIII detector at the BEPCII storage ring, the processes $\Lambda p\rightarrow\Lambda p$ and $\bar{\Lambda}p\rightarrow\bar{\Lambda}p$ are studied, where the…

High Energy Physics - Experiment · Physics 2024-05-21 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , O. Afedulidis , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , I. Balossino , 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 , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , G. R. 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. Y. Chen , S. K. Choi , 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 , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , Z. H. Duan , P. Egorov , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. 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 , Yang Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y. Guan , Z. L. 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 , 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 , S. L. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , T. Hussain , F. Hölzken , N Hüsken , N. in der Wiesche , J. Jackson , S. Janchiv , J. H. Jeong , Q. Ji , Q. P. Ji , W. Ji , X. B. Ji , X. L. Ji , Y. Y. Ji , X. Q. Jia , Z. K. Jia , D. Jiang , H. B. Jiang , P. C. Jiang , S. S. 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 , J. J. Lane , P. Larin , L. Lavezzi , T. T. Lei , Z. H. Lei , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. 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 , Ke Li , L. J Li , L. K. Li , Lei Li , M. H. Li , P. R. Li , Q. M. Li , Q. X. Li , R. Li , S. X. Li , T. Li , W. D. Li , W. G. Li , X. Li , X. H. Li , X. L. Li , X. Z. Li , Xiaoyu Li , Y. G. Li , Z. J. Li , Z. X. Li , C. Liang , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. Z. Liao , J. Libby , A. Limphirat , C. C. Lin , D. X. Lin , T. Lin , B. J. Liu , B. X. Liu , C. Liu , C. X. 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. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , L. C. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. K. Liu , W. M. Liu , X. Liu , X. 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 , 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. Ma , H. L. Ma , J. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , T. Ma , X. T. Ma , X. Y. Ma , Y. Ma , Y. M. Ma , F. E. Maas , M. Maggiora , S. Malde , 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 , 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 , Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , P. Patteri , 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. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. B. Qian , C. F. Qiao , X. K. Qiao , J. J. Qin , L. Q. Qin , L. Y. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , Z. H. Qu , C. F. Redmer , K. J. Ren , A. Rivetti , M. Rolo , G. Rong , Ch. Rosner , 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 , H. C. Shi , J. L. Shi , J. Y. Shi , Q. Q. Shi , S. Y. Shi , X. Shi , J. J. Song , T. Z. Song , W. M. Song , Y. J. Song , Y. X. Song , S. 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Prospects for Antiproton Experiments at Fermilab

Fermilab operates the world's most intense antiproton source. Newly proposed experiments can use those antiprotons either parasitically during Tevatron Collider running or after the end of the Tevatron Collider program. For example, the…

High Energy Physics - Experiment · Physics 2019-08-14 Daniel M. Kaplan

A model for the interaction of high-energy particles in straight and bent crystals implemented in Geant4

A model for the simulation of orientational effects in straight and bent periodic atomic structures is presented. The continuum potential approximation has been adopted.The model allows the manipulation of particle trajectories by means of…

Computational Physics · Physics 2014-10-02 E. Bagli , M. Asai , D. Brandt , A. Dotti , V. Guidi , D. H. Wright

Inclusive production of protons, anti-protons and neutrons in p+p collisions at 158 GeV/c beam momentum

New data on the production of protons, anti-protons and neutrons in p+p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CERN SPS at 158 GeV/c beam momentum. The…

High Energy Physics - Experiment · Physics 2010-01-06 NA49 Collaboration , T. Anticic , B. Baatar , J. Bartke , L. Betev , H. Białkowska , C. Blume , B. Boimska , J. Bracinik , V. Cerny , O. Chvala , J. Dolejsi , V. Eckardt , H. G. Fischer , Z. Fodor , P. Foka , V. Friese , M. Gaździcki , C. Höhne , K. Kadija , A. Karev , V. Kolesnikov , M. Kowalski , M. Kreps , M. Makariev , A. Malakhov , M. Mateev , G. Melkumov , M. Mitrovski , S. Mrówczyński , R. Renfordt , M. Rybczyński , A. Rybicki , A. Sandoval , N. Schmitz , P. Seyboth , G. Stefanek , R. Stock , H. Ströbele , T. Susa , P. Szymanski , V. Trubnikov , D. Varga , G. Vesztergombi , D. Vranić , S. Wenig , Z. Włodarczyk , A. Wojtaszek

Validation Test of Geant4 Simulation of Electron Backscattering

Backscattering is a sensitive probe of the accuracy of electron scattering algorithms implemented in Monte Carlo codes. The capability of the Geant4 toolkit to describe realistically the fraction of electrons backscattered from a target…

Computational Physics · Physics 2015-06-23 Sung Hun Kim , Maria Grazia Pia , Tullio Basaglia , Min Cheol Han , Gabriela Hoff , Chan Hyeong Kim , Paolo Saracco

Measurement of the pbar p -> Ks Ks Reaction from 0.6 to 1.9 GeV/c

The pbar p -> Ks Ks -> 4pi+/- cross section was measured at incident antiproton momenta between 0.6 and 1.9 GeV/c using the CERN Low Energy Antiproton Ring (LEAR). This investigation was part of a systematic study of in-flight…

High Energy Physics - Experiment · Physics 2008-11-26 C. Evangelista , A. Palano , D. Drijard , N. H. Hamann , R. T. Jones , B. Mouellic , S. Ohlsson , J. -M. Perreau , W. Eyrich , M. Moosburger , S. Pomp , F. Stinzing , H. Fischer , J. Franz , E. Rossle , H. Schmitt , H. Wirth , A. Buzzo , K. Kirsebom , M. Lo Vetere , M. Macri , M. Marinelli , S. Passaggio , M. G. Pia , A. Pozzo , E. Robutti , A. Santroni , P. T. Debevec , R. A. Eisenstein , P. G. Harris , D. W. Hertzog , S. A. Hughes , P. E. Reimer , J. Ritter , R. Geyer , K. Kilian , W. Oelert , K. Rohrich , M. Rook , O. Steinkamp , H. Korsmo , B. Stugu , T. Johansson

Asymmetry in $\Lambda_b$ and $\bar \Lambda_b$ production

In CMS data at the CERN Large Hadron Collider, the ratio $\sigma(pp \to \bar \Lambda_b X)/\sigma(p p \to \Lambda_b X)$ appears to fall as the baryons become more forward. Mechanisms which could give rise to this effect are discussed. It is…

High Energy Physics - Phenomenology · Physics 2014-07-30 Jonathan L. Rosner

Antiproton beam profile measurements using Gas Electron Multipliers

The new beam profile measurement for the Antiproton Decelerator (AD) at CERN is based on a single Gas Electron Multiplier (GEM) with a 2D readout structure. This detector is very light, ~0.4% X_0, as required by the low energy of the…

Instrumentation and Detectors · Physics 2012-08-31 Serge Duarte Pinto , Philippe Carrière , Jens Spanggaard , Gerard Tranquille

Optimizing Geant4 Hadronic Models

Geant4, the leading detector simulation toolkit used in high energy physics, employs a set of physics models to simulate interactions of particles with matter across a wide range of energies. These models, especially the hadronic ones, rely…

High Energy Physics - Experiment · Physics 2023-09-25 Krzysztof Genser , Soon Yung Jun , Alberto Ribon , Vladimir Uzhinsky , Julia Yarba

New experiments with antiprotons

Fermilab operates the world's most intense antiproton source. Recently proposed experiments can use those antiprotons either parasitically during Tevatron Collider running or after the Tevatron Collider finishes in about 2011. For example,…

High Energy Physics - Phenomenology · Physics 2010-08-02 Daniel M. Kaplan

BASE - The Baryon Antibaryon Symmetry Experiment

The Baryon Antibaryon Symmetry Experiment (BASE) aims at performing a stringent test of the combined charge parity and time reversal (CPT) symmetry by comparing the magnetic moments of the proton and the antiproton with high precision.…

Atomic Physics · Physics 2023-12-04 C. Smorra , K. Blaum , L. Bojtar , M. Borchert , K. A. Franke , T. Higuchi , N. Leefer , H. Nagahama , Y. Matsuda , A. Mooser , M. Niemann , C. Ospelkaus , W. Quint , G. Schneider , S. Sellner , T. Tanaka , S. Van Gorp , J. Walz , Y. Yamazaki , S. Ulmer

BASE-STEP: A transportable antiproton reservoir for fundamental interaction studies

Currently, the only worldwide source of low-energy antiprotons is the AD/ELENA facility located at CERN. To date, all precision measurements on single antiprotons have been conducted at this facility and provide stringent tests of the…

Instrumentation and Detectors · Physics 2024-04-10 C. Smorra , F. Abbass , M. Bohman , Y. Dutheil , A. Hobl , D. Popper , B. Arndt , B. B. Bauer , J. A. Devlin , S. Erlewein , M. Fleck , J. I. Jäger , B. M. Latacz , P. Micke , M. Schiffelholz , G. Umbrazunas , M. Wiesinger , C. Will , E. Wursten , H. Yildiz , K. Blaum , Y. Matsuda , A. Mooser , C. Ospelkaus , W. Quint , A. Soter , J. Walz , Y. Yamazaki , S. Ulmer

Enhanced antiproton production in Pb(160 AGeV)+Pb reactions: evidence for quark gluon matter?

The centrality dependence of the antiproton per participant ratio is studied in Pb(160 AGeV)+Pb reactions. Antiproton production in collisions of heavy nuclei at the CERN/SPS seems considerably enhanced as compared to conventional hadronic…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Bleicher , M. Belkacem , S. A. Bass , S. Soff , H. Stöcker

Hadron Production Model Developments and Benchmarking in the 0.7 - 12 GeV Energy Region

Driven by the needs of the intensity frontier projects with their Megawatt beams, e.g., ESS, FAIR and Project X, and their experiments, the event generators of the MARS15 code have been recently improved. After thorough analysis and…

Nuclear Experiment · Physics 2014-09-04 N. V. Mokhov , K. K. Gudima , S. I. Striganov

Performance of Geant4 in simulating semiconductor particle detector response in the energy range below 1 MeV

Geant4 simulations play a crucial role in the analysis and interpretation of experiments providing low energy precision tests of the Standard Model. This paper focuses on the accuracy of the description of the electron processes in the…

Instrumentation and Detectors · Physics 2013-08-23 G. Soti , F. Wauters , M. Breitenfeldt , P. Finlay , I. S. Kraev , A. Knecht , T. Porobic , D. Zákoucký , N. Severijns

Analysis of Subthreshold Antiproton Production in p-Nucleus and Nucleus-Nucleus Collisions in the RBUU Approach

We calculate the subthreshold production of antiprotons in the Lorentz-covariant RBUU approach employing a weighted testparticle method to treat the antiproton propagation and absorption nonperturbatively. We find that the pbar differential…

Nuclear Theory · Physics 2009-09-25 Stefan Teis , Wolfgang Cassing , Tomoyuki Maruyama , Ulrich Mosel

First measurement of the forward-backward charge asymmetry in top quark pair production

We present the first measurement of the integrated forward-backward charge asymmetry in top-antitop quark pair (ttbar) production in proton-antiproton collisions in the lepton plus jets final state. Using a b-jet tagging algorithm and…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , V. M. Abazov

Production and propagation of secondary antideuteron in the Galaxy

This work reviews the current state of the antideuteron ($\bar{d}$) production cross-sections in cosmic ray interactions and its uncertainties, considering the coalescence model and measurements in accelerator experiments. These…

High Energy Astrophysical Phenomena · Physics 2025-01-27 Luis Fernando Galicia Cruztitla , Diego Mauricio Gomez Coral

Antiproton--proton annihilation into light neutral meson pairs within an effective meson theory

Antiproton--proton annihilation into light neutral mesons in the few GeV energy domain is investigated in view of a global description of the existing data and predictions for future experiments at PANDA, FAIR. An effective meson model…

High Energy Physics - Phenomenology · Physics 2017-09-13 Ying Wang , Yury M. Bystritskiy , Azad I. Ahmadov , Egle Tomasi Gustafsson

Baryon Antibaryon Nonets

The baryon-antibaryon SU(3) nonets are proposed as a scheme to classify the increased number of experimentally observed enhancements near the baryon antibaryon mass threshold. The scheme is similar to the Fermi-Yang-Sakata model, which was…

High Energy Physics - Phenomenology · Physics 2009-11-11 C. Z. Yuan , X. H. Mo , P. Wang