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AbstractAbstract
[en] Elastic polarization near the backward direction is considered for the π+p case. Included are some sample data, various theories in confrontation with data, resonances, an interpretation of the experimental structures, and the importance of backward polarization and reasons for the continuation of measurements. There are three references
Original Title
Resonances
Primary Subject
Source
Symposium on high energy physics with polarized beams and targets; Argonne, Illinois, United States of America (USA); 23 Aug 1976; See CONF-760841--.
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Journal Article
Literature Type
Conference
Journal
AIP (Am. Inst. Phys.) Conf. Proc; (no.12); p. 54-58
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AbstractAbstract
No abstract available
Original Title
Tormoznoe izluchenie adronov v reaktsiyakh s odnoimenno zaryazhennymi chastitsami
Primary Subject
Source
Letter-to-the-editor; for English translation see the journal Sov. J. Nucl. Phys.
Record Type
Journal Article
Journal
Yadernaya Fizika; v. 23(6); p. 1344-1346
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Bugg, W.M.; Condo, G.T.; Handler, T.; Hart, E.L.
Tennessee Univ., Knoxville (USA)
Tennessee Univ., Knoxville (USA)
AbstractAbstract
[en] Research from April 1981 to March 1982 is summarized in the areas of: πP interactions at 8 GeV; Fermilab experiment 299, π+, K+, P-proton experiments; charm search and vector meson production in 20 GeV γ-P interactions; and production of π+-0, K+-0, P, anti P, Lambda neutrals in multiparticle final states by tagged positive beams of 200 GeV particles on protons
Primary Subject
Source
1982; 14 p; Available from NTIS., PC A02/MF A01 as DE82006790
Record Type
Report
Literature Type
Progress Report
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AbstractAbstract
[en] The mechanisms of pion production in the reaction π+p → π+π+n are studied using a theory with broken chiral symmetry. The parameter ξ = -0.11 ± 0.11. It is shown that the contribution of the Δ-isobar mechanism must be taken into account even for energies close to the threshold of this reaction. 9 refs., 5 figs
Primary Subject
Source
Translated from Yadernaya Fizika; 57: No. 2, 314-318(1994).
Record Type
Journal Article
Literature Type
Translation
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Drutskoj, A.G.; Mikhajlichenko, V.I.; Nikitin, S.Ya.
Gosudarstvennyj Komitet po Ispol'zovaniyu Atomnoj Ehnergii SSSR, Moscow. Inst. Teoreticheskoj i Ehksperimental'noj Fiziki
Gosudarstvennyj Komitet po Ispol'zovaniyu Atomnoj Ehnergii SSSR, Moscow. Inst. Teoreticheskoj i Ehksperimental'noj Fiziki
AbstractAbstract
[en] A technique for determination of the particle kinematic parameters in multivertex events in the ZhVK-205 hydrogen bubble chamber is developed. The software designed tested on V0-type fork permits to obtain correct particle parameters and their errors
Original Title
Metodika obrabotki zaregistrirovannykh v ZhVK-205 mnogovershinnykh sobytij s nejtral'nymi strannymi chastitsami
Source
1985; 11 p; 6 refs.; 6 figs.
Record Type
Report
Report Number
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Duong, N.H.
CEA Saclay, 91 (France); Faculte des Sciences de l'Universite de Paris, 75 (France)
CEA Saclay, 91 (France); Faculte des Sciences de l'Universite de Paris, 75 (France)
AbstractAbstract
[en] The π+ proton interaction leading to two charged outgoing particles have been studied at the incident momentum of 3.2 and 3.5 GeV/c. The picture were obtained from an exposure of the Brookhaven Notional Laboratory 20 - inch bubble chamber. For the two energies, we have identified: 1741 events of the reaction π+ + p → π+ + p +π0, 1100 events of the reaction π+ + p → π+ + π+ + n and 4079 events of the reaction π+ + p → π+ + p. We present here a study of the exchange mechanism in the N*33 production. The resonances Ni*1/2(1688), ρ, η, ω and A1, A2 are observed and discussed. Other results, the elastic interaction and various cross sections are also presented. (author)
[fr]
L'interaction π+ proton donnant deux particules chargees dans l'etat final a ete etudiee aux impulsions incidentes de 3,2 et 3,5 GeV/c. L'experience a ete effectuee a l'aide de la chambre a bulles de 50 cm du Laboratoire National de Brookhaven. Au total, nous avons identifie: 1741 evenements de la reaction π+ + p → π+ + p +π0, 1100 evenements de la reaction π+ + p → π+ + π+ + n et 4079 evenements de la reaction π+ + p → π+ + p. Nous presentons ici une etude du mecanisme d'echange dans la production du N*33. L'observation des resonances N*1/2(1688), ρ, η, ω et A1, A2 est rapportee, suivie d'une analyse phenomenologique. D'autres resultats concernant l'interaction elastique et les diverses sections efficaces sont presentes. (auteur)Original Title
Une etude de l'interaction π+ proton a 3,5 GeV / c
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Secondary Subject
Source
Jan 1966; [79 p.]; 50 refs.; These violation de CP dans la desintegration des mesons K
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Report
Literature Type
Thesis/Dissertation
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AbstractAbstract
No abstract available
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Secondary Subject
Source
Swiss Physical Society spring meeting; Lausanne, Switzerland; 14 - 15 Apr 1977; Published in summary form only.
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Journal Article
Literature Type
Conference
Journal
Helvetica Physica Acta; v. 50(5); p. 569
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AbstractAbstract
[en] The polarization parameter P in the elastic π+p scattering has been measured at 510, 530, 560, and 580 MeV for the angles cos theta(<0. The absolute measurement error is ΔProughly-equal +- 0.1. The obtained results were used to verify the isotopic-spin ratios
Primary Subject
Source
cover-to-cover translation of Pis'ma v Zhurnal Ehksperimental'noj i Teoreticheskoj Fiziki (USSR).
Record Type
Journal Article
Literature Type
Numerical Data
Journal
JETP Letters; ISSN 0021-3640; 
; v. 34(3); p. 145-148
; v. 34(3); p. 145-148
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AbstractAbstract
[en] Recent measurements of spin-rotation parameters in elastic π+p scattering are in marked disagreement with predictions of the Carnegie-Mellon-Berkeley and Karlsruhe-Helsinki analyses. Using the method of Barrelet, we show how this discrepancy can be removed. We then show how this Barrelet transformation alters the partial-wave amplitudes. The effect of unitarity and analyticity constraints is also considered. copyright 1997 The American Physical Society
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Journal Article
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AbstractAbstract
[en] The recombination model for low-pT inclusive reactions is extended to the meson fragmentation region. Some basic issues in the model are reexamined, and the differences between the proton and pion initiated reactions are stressed. By applying the model to the π+p → K+X reaction, the fast valence quark distribution in the pion is extracted. For large x a best fit is given. (orig./WL)
[de]
Das Rekombinationsmodell fuer inklusive Reaktionen bei geringem pT wird auf den Bereich der Mesonenfragmentierung erweitert. Es werden einige grundlegende Ausgangspunkte des Modells ueberprueft und die Unterschiede zwischen den von Protonen und Pionen initiierten Reaktionen werden hervorgehoben. Durch Anwendung des Modells auf die Reaktion π+p → K+X wird die Verteilung der schnellen Valenzquarks im Pion gewonnen. Fuer grosse X wird eine Naeherungsformel angegeben. (orig./WL)Primary Subject
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Journal Article
Journal
Z. Phys., C; v. 1(1); p. 81-86
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