Download or read book A Cross Section Measurement of Charm Hyperons xi positive and xi neutral in 250 GeV P K pi nucleon Interactions written by Juan Francisco Astorga-Vergara and published by . This book was released on 1995 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Cross Section Measurement of Charm Hyperons Xi sub C sup And Xi sub C sup 0 in 250 GeV P K pi nucleon Interactions written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermilab Experiment 769 used a charge-selected, hadron beam of mean energy 250 GeV/c, composed of pions, kaons, and protons, impinging on beryllium, aluminum, copper and tungsten targets. Using a sample of approximately 4000[Xi][sub s][sup[minus]][yields][Lambda][sup 0][pi][sup[minus]] decays, measurements of the charm baryon forward cross sections times branching ratio[pi][sup[+-]]N[yields][Xi][sub c][sup+]X and[pi][sup[+-]]N[yields][Xi][sub c][sup 0]X are presented. Upper limits on[alpha] x BR are also determined for the states[Xi][sub c][sup+][yields][Xi][sub s][sup[minus]][pi][sup+][pi][sup+] and[Xi][sub c][sup 0][yields][Xi][sub s][sup[minus]][pi][sup+] produced in (p, [pi][sup+], [pi][sup[minus]], K[sup+], K[sup[minus]])-nucleon interactions.
Download or read book A Cross Section Measurement of Charm Hyperons Xi atop c and Xi 0 atop c in 250 GeV P K pi nucleon Interactions written by and published by . This book was released on 1995 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermilab Experiment 769 used a charge-selected, hadron beam of mean energy 250 GeV/c, composed of pions, kaons, and protons, impinging on beryllium, aluminum, copper and tungsten targets. Using a sample of approximately 4000 [Xi]$-\atop{s}$ 2![Lambda]0[pi]- decays, measurements of the charm baryon forward cross sections times branching ratio [pi]±N 2![Xi]$+\atop{c}$X and [pi]±N 2![Xi]$0\atop{c}$X are presented. Upper limits on [alpha] x BR are also determined for the states [Xi]$+\atop{c}$ 2![Xi]$-\atop{s}$[pi]+[pi]+ and [Xi]$0\atop{c}$ 2![Xi]$-\atop{s}$[pi]+ produced in (p, [pi]+, [pi]-, K+, K- )-nucleon interactions.
Download or read book A Cross Section Measurement of Charm Hyperons sub C And sub C in 250 GeV P K nucleon Interactions written by and published by . This book was released on 1995 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermilab Experiment 769 used a charge-selected, hadron beam of mean energy 250 GeV/c, composed of pions, kaons, and protons, impinging on beryllium, aluminum, copper and tungsten targets. Using a sample of approximately 4000?{sub s}− →?°?− decays, measurements of the charm baryon forward cross sections times branching ratio?{sup {+-}}N →?{sub c}X and?{sup {+-}}N →?{sub c}°X are presented. Upper limits on? x BR are also determined for the states?{sub c}+ →?{sub s}−?+?+ and?{sub c}° →?{sub s}−?+ produced in (p,?+,?−, K+, K−)-nucleon interactions.
Download or read book A Cross Section Measurement of Charm Hyperons E and E0 in 250 GeV P written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Beauty and Charm Production Cross sections in 250 GeV C Pion Nucleon Interactions written by and published by . This book was released on 1993 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: By determining the production cross sections for heavy flavor hadrons, we test the theoretical predictions from perturhative quantum chroma-dynamics (QCD). In the case of pion induced beauty production, the few published results do not resolve the issue of the applicability of perturbative QCD. This analysis is undertaken in order to help resolve this situation. We determine the total beauty and charm production cross sections using an analysis of single electron decay products. We extract the cross sections per nucleon from the two-dimensional distribution of electron p versus impact parameter (d) to the primary vertex. We place an upper limit on the beauty production cross section of [sigma]b$\bar{b}$
Download or read book A Measurement of the Beauty Cross Section in pi Negative nucleon Interactions at 26 GeV Centre of Mass Energy written by and published by . This book was released on 1996 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Asymmetries in the Production of Lambda superscript 0 Xi superscript Minus and Omega superscript Minus Hyperons in 500 GeV c Pi superscript Minus Nucleon Interactions written by J. Solano and published by . This book was released on 2000 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cross Section Measurements for Charm Production by Muons and Photons written by and published by . This book was released on 1980 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactions of 209-GeV muons in the Multimuon Spectrometer at Fermilab have yielded 20072 dimuon final states, with (81±10)% attributed to production of charmed states decaying to muons. The cross section for diffractive charm muoproduction is 6.9{sub -1.4}{sup +1.9} nb. Extrapolated to Q2 =0, the effective cross section for 178(100)-GeV photons is 750{sup +180}130 (560{sup +200}−130) nb, too small to explain the high-energy rise in the photon-nucleon total cross section.
Download or read book Search for Charm in 250 GeV c pi p Interactions written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Inclusive cross sections are found for strange particle production in [pi]−p interactions at 250 GeV/c in a search for charmed particles using neutral particle decays in a bubble chamber. The results are preliminary, but at the present statistical level no evidence was found for charmed particle production. (JFP).
Download or read book Measurement of the Neutral Current Cross Section and Search for Contact Interactions with the H1 Experiment at HERA written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A measurement of the inclusive neutral current cross section for deep inelastic positron-proton scattering and a subsequent search for electron-quark contact interactions are presented. The analysis is based on data taken in 1999 and 2000 at a centre-of-mass energy of sqrt(s)=319 GeV with the H1 experiment at HERA. Substantial systematic improvements are achieved for the reconstruction of neutral current events at large four-momentum transfer Q^2. The precise measurement of the scattered electron using solely calorimetric information is established. The single and double differential cross sections dsigma/dQ^2 and d^2sigma/dxdQ^2 are measured in the range of 200
Download or read book Particles and Nuclei written by Bogdan Povh and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fourth edition includes new developments, in particular a new section on the double beta decay including a discussion of the possibility of a neutrinoless decay and its implications for the standard model.
Download or read book Basics of Perturbative QCD written by Yuri Dokshitzer and published by Atlantica Séguier Frontières. This book was released on 1991 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Introduction to Relativistic Heavy Ion Physics written by Jerzy Bartke and published by World Scientific. This book was released on 2009 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book attempts to cover the fascinating field of physics of relativistic heavy ions, mainly from the experimentalist's point of view. After the introductory chapter on quantum chromodynamics, basic properties of atomic nuclei, sources of relativistic nuclei, and typical detector set-ups are described in three subsequent chapters. Experimental facts on collisions of relativistic heavy ions are systematically presented in 15 consecutive chapters, starting from the simplest features like cross sections, multiplicities, and spectra of secondary particles and going to more involved characteristics like correlations, various relatively rare processes, and newly discovered features: collective flow, high pT suppression and jet quenching. Some entirely new topics are included, such as the difference between neutron and proton radii in nuclei, heavy hypernuclei, and electromagnetic effects on secondary particle spectra.Phenomenological approaches and related simple models are discussed in parallel with the presentation of experimental data. Near the end of the book, recent ideas about the new state of matter created in collisions of ultrarelativistic nuclei are discussed. In the final chapter, some predictions are given for nuclear collisions in the Large Hadron Collider (LHC), now in construction at the site of the European Organization for Nuclear Research (CERN), Geneva. Finally, the appendix gives us basic notions of relativistic kinematics, and lists the main international conferences related to this field. A concise reference book on physics of relativistic heavy ions, it shows the present status of this field.
Download or read book Hadron Interactions written by P. D. B. Collins and published by CRC Press. This book was released on 1984 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended for graduate students, advanced undergraduates and research staff in particle physics and related disciplines and will also be of interest to physicists not working in this field who want an overview of the present development of the subject.
Download or read book Phenomenology of Particle Physics written by André Rubbia and published by Cambridge University Press. This book was released on 2022-05-12 with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written for a two-semester Master's or graduate course, this comprehensive treatise intertwines theory and experiment in an original approach that covers all aspects of modern particle physics. The author uses rigorous step-by-step derivations and provides more than 100 end-of-chapter problems for additional practice to ensure that students will not only understand the material but also be able to apply their knowledge. Featuring up-to-date experimental material, including the discovery of the Higgs boson at CERN and of neutrino oscillations, this monumental volume also serves as a one-stop reference for particle physics researchers of all levels and specialties. Richly illustrated with more than 450 figures, the text guides students through all the intricacies of quantum mechanics and quantum field theory in an intuitive manner that few books achieve.
Download or read book Many body Theory Exposed Propagator Description Of Quantum Mechanics In Many body Systems 2nd Edition written by Willem Hendrik Dickhoff and published by World Scientific Publishing Company. This book was released on 2008-05-02 with total page 851 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive textbook on the quantum mechanics of identical particles includes a wealth of valuable experimental data, in particular recent results from direct knockout reactions directly related to the single-particle propagator in many-body theory. The comparison with data is incorporated from the start, making the abstract concept of propagators vivid and accessible. Results of numerical calculations using propagators or Green's functions are also presented. The material has been thoroughly tested in the classroom and the introductory chapters provide a seamless connection with a one-year graduate course in quantum mechanics. While the majority of books on many-body theory deal with the subject from the viewpoint of condensed matter physics, this book emphasizes finite systems as well and should be of considerable interest to researchers in nuclear, atomic, and molecular physics. A unified treatment of many different many-body systems is presented using the approach of self-consistent Green's functions. The second edition contains an extensive presentation of finite temperature propagators and covers the technique to extract the self-energy from experimental data as developed in the dispersive optical model.The coverage proceeds systematically from elementary concepts, such as second quantization and mean-field properties, to a more advanced but self-contained presentation of the physics of atoms, molecules, nuclei, nuclear and neutron matter, electron gas, quantum liquids, atomic Bose-Einstein and fermion condensates, and pairing correlations in finite and infinite systems, including finite temperature.
