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Titolo:
Measurement of the Sigma(-) charge radius by Sigma(-)-electron elastic scattering
Autore:
Eschrich, I; Kruger, H; Simon, J; Vorwalter, K; Alkhazov, G; Atamantchouk, AG; Balatz, MY; Bondar, NF; Cooper, PS; Dauwe, LJ; Davidenko, GV; Dersch, U; Dirkes, G; Dolgolenko, AG; Dzyubenko, GB; Edelstein, R; Emediato, L; Endler, AMF; Engelfried, J; Escobar, CO; Evdokimov, AV; Filimonov, IS; Garcia, FG; Gaspero, M; Giller, I; Golovtsov, VL; Gouffon, P; Gulmez, E; Kangling, H; Iori, M; Jun, SY; Kaya, M; Kilmer, J; Kim, VT; Kochenda, LM; Konigsmann, K; Konorov, I; Kozhevnikov, AP; Krivshich, AG; Kubantsev, MA; Kubarovsky, VP; Kulyavtsev, AI; Kuropatkin, NP; Kurshetsov, VF; Kushnirenko, A; Kwan, S; Lach, J; Lamberto, A; Landsberg, LG; Larin, I; Leikin, EM; Li, YS; Luksys, M; Lungov, T; Maleev, VP; Mao, D; Mao, CS; Mao, ZL; Masciocchi, S; Mathew, P; Mattson, M; Matveev, V; McCliment, E; Moinester, MA; Molchanov, VV; Morelos, A; Nelson, KD; Nemitkin, AV; Neoustroev, PV; Newsom, C; Nilov, AP; Nurushev, SB; Ocherashvili, A; Onel, Y; Ozel, E; Ozkorucuklu, S; Penzo, A; Petrenko, SV; Pogodin, P; Povh, B; Procario, M; Prutskoi, VA; Ramberg, E; Rappazzo, GF; Razmyslovich, BV; Rud, VI; Russ, J; Scheglov, Y; Schiavon, P; Sitnikov, AI; Skow, D; Smith, VJ; Srivastava, M; Steiner, V; Stepanov, V; Stutte, L; Svoiski, M; Terentyev, NK; Thomas, GP; Uvarov, LN; Vasiliev, AN; Vavilov, DV; Verebryusov, VS; Victorov, VA; Vishnyakov, VE; Vorobyov, AA; You, J; Zhao, WH; Zheng, SC; Zukanovich-Funchal, R;
Indirizzi:
Max Planck Inst Kernphys, D-69117 Heidelberg, Germany Max Planck Inst Kernphys Heidelberg Germany D-69117 Heidelberg, Germany Ball State Univ, Muncie, IN 47306 USA Ball State Univ Muncie IN USA 47306Ball State Univ, Muncie, IN 47306 USA Bogazici Univ, TR-80815 Bebek, Turkey Bogazici Univ Bebek Turkey TR-80815 ogazici Univ, TR-80815 Bebek, Turkey Carnegie Mellon Univ, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 iv, Pittsburgh, PA 15213 USA Ctr Brasileiro Pesquisas Fis, BR-22290 Rio De Janeiro, Brazil Ctr Brasileiro Pesquisas Fis Rio De Janeiro Brazil BR-22290 eiro, Brazil Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA Fermilab Natl Accelerator Lab Batavia IL USA 60510 Batavia, IL 60510 USA Inst High Energy Phys, Protvino, Russia Inst High Energy Phys Protvino Russia igh Energy Phys, Protvino, Russia Inst High Energy Phys, Beijing 100039, Peoples R China Inst High Energy Phys Beijing Peoples R China 100039 39, Peoples R China Inst Theoret & Expt Phys, Moscow 117259, Russia Inst Theoret & Expt Phys Moscow Russia 117259 hys, Moscow 117259, Russia Moscow MV Lomonosov State Univ, Moscow, Russia Moscow MV Lomonosov State Univ Moscow Russia State Univ, Moscow, Russia Petersburg Nucl Phys Inst, St Petersburg, Russia Petersburg Nucl Phys Inst St Petersburg Russia t, St Petersburg, Russia Tel Aviv Univ, IL-69978 Tel Aviv, Israel Tel Aviv Univ Tel Aviv Israel IL-69978 v Univ, IL-69978 Tel Aviv, Israel Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico Univ Autonoma San Luis Potosi San Luis Potosi Mexico uis Potosi, Mexico Univ Fed Paraiba, BR-58059900 Joao Pessoa, Paraiba, Brazil Univ Fed Paraiba Joao Pessoa Paraiba Brazil BR-58059900 BCParaiba, Brazil Univ Bristol, Bristol BS8 1TL, Avon, England Univ Bristol Bristol Avon England BS8 1TL Bristol BS8 1TL, Avon, England Univ Iowa, Iowa City, IA 52242 USA Univ Iowa Iowa City IA USA 52242Univ Iowa, Iowa City, IA 52242 USA Univ Michigan, Flint, MI 48502 USA Univ Michigan Flint MI USA 48502Univ Michigan, Flint, MI 48502 USA Univ Roma La Sapienza, I-00185 Rome, Italy Univ Roma La Sapienza Rome Italy I-00185 a Sapienza, I-00185 Rome, Italy Ist Nazl Fis Nucl, I-00185 Rome, Italy Ist Nazl Fis Nucl Rome Italy I-00185 Nazl Fis Nucl, I-00185 Rome, Italy Univ Sao Paulo, BR-05508900 Sao Paulo, Brazil Univ Sao Paulo Sao Paulo Brazil BR-05508900 BC05508900 Sao Paulo, Brazil Univ Trieste, I-34127 Trieste, Italy Univ Trieste Trieste Italy I-34127Univ Trieste, I-34127 Trieste, Italy Ist Nazl Fis Nucl, I-34127 Trieste, Italy Ist Nazl Fis Nucl Trieste Italy I-34127 Fis Nucl, I-34127 Trieste, Italy
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 3-4, volume: 522, anno: 2001,
pagine: 233 - 239
SICI:
0370-2693(200112)522:3-4<233:MOTSCR>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Keywords:
electromagnetic form factors; elastic scattering; hadron-induced elastic scattering at high energy; hyperons; electron-Sigma(-) elastic scattering; Sigma(-) form factor; Sigma(-) charge radius; hadron strong and electromagnetic radii;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Eschrich, I Univ London Imperial Coll Sci Technol & Med, London SW7 2BZ, England Univ London Imperial Coll Sci Technol & Med London England SW7 2BZ
Citazione:
I. Eschrich et al., "Measurement of the Sigma(-) charge radius by Sigma(-)-electron elastic scattering", PHYS LETT B, 522(3-4), 2001, pp. 233-239

Abstract

The Sigma (-) mean squared charge radius has been measured in the space-like Q(2) range 0.035--0.105 GeV2/c(2) by elastic scattering of a Sigma (-) beam off atomic electrons. The measurement was per-formed with the SELEX (E781) spectrometer using the Fermilab hyperon beam at a mean energy of 610 GeV/c We obtain <r(ch)(2)> Sigma (-) =(0.61 +/- 0.12(stat.) +/- 0.09(syst.)) fm(2). The proton and pi (-) charge radii were measured as well and are consistent with results of other experiments. Our result agrees with the recently measured strong interaction radius of the Sigma (-). (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 14/07/20 alle ore 10:02:10