Measurement of the Sigma(-) charge radius by Sigma(-)-electron elastic scattering
Yazar
Newsom, C
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
Ozkorucuklu, Suat
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
Nilov, AP
Nurushev, SB
Ocherashvili, A
Onel, Y
Ozel, E
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
Penzo, A
Petrenko, SV
Pogodin, P
Povh, B
Procario, M
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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 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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