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The Search For The H Dibaryon With The Bnl 2 0 Gev
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Book Synopsis The Search for the H Dibaryon with the BNL 2. 0 GeV by :
Download or read book The Search for the H Dibaryon with the BNL 2. 0 GeV written by and published by . This book was released on 1991 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The status is given for two experiments being carried out to search for evidence of the H dibaryon. BNL experiments E813 and E836 will use the new 2 GeV/c kaon beam line. The former has recently begun data taking. They cover complementary regions of mass-sensitivity and promise to provide sensitive tests of the existence of the H. 12 refs.
Book Synopsis Search for a short-lived H dibaryon in 11.6 A GEV/C AU+AU collisions at the BNL-AGS E896 by : Jaw-luen Tang
Download or read book Search for a short-lived H dibaryon in 11.6 A GEV/C AU+AU collisions at the BNL-AGS E896 written by Jaw-luen Tang and published by . This book was released on 1999 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book AGS Experiments ... written by and published by . This book was released on 1999 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis C-AD Experiments, 2000-2004 by : P. Lo Presti
Download or read book C-AD Experiments, 2000-2004 written by P. Lo Presti and published by . This book was released on 2004 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]ʹ-, P)[subscript]a[subscript]t[subscript]o[subscript]m -] [Lambda] + N by :
Download or read book A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]ʹ-, P)[subscript]a[subscript]t[subscript]o[subscript]m -] [Lambda] + N written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis H Particle Searches at Brookhaven by :
Download or read book H Particle Searches at Brookhaven written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the suggestion by R.L. Jaffe twenty years ago, researchers have been trying to establish the existence of a six-quark object, termed the H dibaryon, predicted by the phenomenological quark bag model. This object quickly became the focus of experimental searches at several locations, including the AGS. This search still continues, with perhaps the most active program being carried out at the 2.0 GeV/c beam line at the BNL-AGS. The research was considerably enhanced by the writing of two notable papers at BNL by Aerts and Dover, which gave quantitative predictions for H-production cross sections in two very different reaction mechanisms. One of these, the formation of cascade atomic deuterium to form the H by fusion, had been first suggested by P.D. Barnes. The 2.0 GeV/c line at the AGS was specifically designed to provide an adequate kaon flux for double strangeness and charge exchange reactions. It has been used for two H searches, E813 and E836, as well as for several[Lambda][Lambda] searches, E885 and E906. These four experiments are setting significant limits on H-production. The results of these experiments are discussed, and descriptions of related H searches at Brookhaven are given.
Book Synopsis Search for the H-dibaryon at the Brookhaven 2 GeV/c Kaon Beam Line by :
Download or read book Search for the H-dibaryon at the Brookhaven 2 GeV/c Kaon Beam Line written by and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this talk I will summarize the motivation for H-dibaryon searches and describe efforts at Brookhaven to find this particle. The most recently run experiment, using a new 2 GeV/c kaon beam line, has looked for the H in the at-rest formation reaction (?− + d){sub atom} {r arrow} H + n, where the monoenergetic neutron was detected. This experiment is sensitive to an H in the range near the?? mass, a region largely unconstrained by other measurements. Data analysis is in progress, so no results are available yet. A second search technique using a 3He target is also described.
Book Synopsis A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]S-,p)[subscript]a[subscript]t[subscript]o[subscript]m -> [Lambda] + N by : Liping Gan
Download or read book A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]S-,p)[subscript]a[subscript]t[subscript]o[subscript]m -> [Lambda] + N written by Liping Gan and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis is a study of the sensitivity of BNL experiment E813. Experiment E813 was a search for the H-Dibaryon (a six-quark uuddss state) at Brookhaven National Laboratory's 2-GeV/c beam line. It was insensitive to H decay modes and lifetime, and looked directly for H formation through a three step reaction mechanism. A liquid hydrogen target was used to produce $\Xi\sp-$ hyperons via the reaction $K\sp- + p \to K\sp+ +\Xi\sp-$. These $\Xi\sp-$'s were then slowed down in tungsten degraders so that a small fraction of them would stop in a liquid deuterium target located above the liquid hydrogen target to form a ($\Xi\sp-, d)\sb{atom}$. The signature for H formation via ($\Xi\sp-, d)\sb{atom}\to H + n$ would be a monoenergetic neutron in coincidence with the formation of a ($\Xi\sp-, d)\sb{atom}$. The most critical property of the experimental apparatus is the product of the hyperon stopping efficiency and the neutron detection efficiency, which is needed to quantitatively estimate the upper limit on the H formation branching ratio and to interpret the experimental results for the H particle search. This combined efficiency was calibrated with a similar three step reaction mechanism through a study of $\Sigma\sp-$ capture on hydrogen followed by ($\Sigma\sp-, p)\sb{atom}\to\Lambda + n$. The details of the calibration are discussed in this thesis.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-05 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Nuclear Dynamics 2 by : Benito Arruñada
Download or read book Advances in Nuclear Dynamics 2 written by Benito Arruñada and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 12th Winter Workshop on Nuclear Dynamics carried on the tradition, started in 1978, of bringing together scientists working in all regimes of nuclear dynamics. This broad range of related topics allows the researcher attending the Workshop to be exposed to work that normally would be considered outside his/her field, but could po tentially add a new dimension to the understanding of his/her work. At Snowbird, we brought together experimentalists working with heavy ion beams from 10 MeV/nucleon up to 200 GeV /nucleon and theoretical physicists working in diverse areas ranging from antisymmetrized fermionic dynamics to perturbative quantum chromo dynamics. Fu ture work at RHIC was discussed also, with presentations from several of the experimen tal groups. In addition, several talks addressed issues of cross-disciplinary relevance, from the study of water-drop-collisions, to the multi-fragmentation of buckyballs. Clearly the field of nuclear dynamics has a bright future. The understanding of the nuclear equation of state in all of its manifestations is being expanded on all fronts both theoretically and experimentally. Future Workshops on Nuclear Dynamics will certainly have much progress to report. Gary D. Westfall Wolfgang Bauer Michigan State Universzty v PREVIOUS WORKSHOPS The following table contains a list of the dates and locations of the previous Winter Workshops on Nuclear Dynamics as well as the members of the organizing committees. The chairpersons of the conferences are underlined.
Book Synopsis Future Dibaryon Research at BNL. by :
Download or read book Future Dibaryon Research at BNL. written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An experiment designed to search for a strangeness -1 dibaryon is discussed. The experiment will use the 3He(K−, .pi.)nD/sub s/ reaction and is expected to begin near the end of the year at the BNL AGS using the existing LESB-I beamline and hypernuclear spectrometer system. Planned searches for a strangeness -2 dibaryon are also discussed. The strangeness -2 dibaryon searches will however require the construction of a new 1.8 GeV/c kaon beam line at the AGS.
Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through (E-, P)atom->A+n by : Liping Gan
Download or read book A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through (E-, P)atom->A+n written by Liping Gan and published by . This book was released on 1998 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]-, P)[subscript]a[subscript]t[subscript]o[subscript]m -] [Lambda] + N by : Liping Gan
Download or read book A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]-, P)[subscript]a[subscript]t[subscript]o[subscript]m -] [Lambda] + N written by Liping Gan and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interactions Between Particle and Nuclear Physics by : Donnelly
Download or read book Interactions Between Particle and Nuclear Physics written by Donnelly and published by American Inst. of Physics. This book was released on 1998-03-09 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Proceedings of the 6th Conference on Intersections Between Particle and Nuclear Physics contains papers from astrophysicists and nuclear and particle physicists from 21 countries. The topics discussed cover many subjects, from relativistic heavy ion physics and high-energy tests of QCD, which require the highest energy accelerators, to low-energy tests of the electroweak standard model. The energy range extended from physics with ultracold neutrons, involving kinetic energies below 10-6 eV to cosmic ray physics, studying primaries at an energy of 1020 eV. There are many connections between topics, such as the role of strange quarks in neutron stars or as possible signal of a quark-gluon plasma. There are new results including neutrino physics from Super-Kamiokande and evidence for a glueball mixed into the scalar mesons. There are also reviews of topics such as CP violation, lepton-flavor violation, and charm physics.
Book Synopsis A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]−, P)[subscript]a[subscript]t[subscript]o[subscript]m -] [Lambda] + N by : Liping Gan
Download or read book A Study of the Sensitivity of the H Dibaryon Search Experiment E813 at BNL Through ([Sigma]−, P)[subscript]a[subscript]t[subscript]o[subscript]m -] [Lambda] + N written by Liping Gan and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Search for the H Dibaryon (S written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The observed hadrons are understood as bound states of three quarks (baryons) or of quarks and antiquarks (mesons). To date no six quark bound state other than the loosely bound deuteron has been observed. Quantum Chromodynamics permits other color-singlet bound states of quarks, and a number of phenomenological models extended from the baryon (q3) and meson (q{bar q}) sectors predict bound six quark states (q6). The most probable candidate is the H dibaryon, composed of two each of the lightest three quarks (udsuds), with quantum numbers J{sup P} = 0, I = 0 and S = -2. Its mass would likely be between the deuteron mass and twice the [Lambda] (uds) mass. This dissertation describes a search for the H dibaryon conducted in a neutral beam at the Brookhaven National Laboratory's Alternating Gradient Synchrotron. In the experiment a 24.1 GeV/c proton beam struck a 1.35 interaction length platinum target producing a collimated neutral beam (62 [mu]sr at 65 mrad from the incident proton direction) which propagated through a 18 m vacuum decay tank before entering a double arm spectrometer. Approximately 20 m from the production target a 10 cm (0.15 interaction length) long active scintillator dissociator was placed in the beam.
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