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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
12
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pubmed:dateCreated |
2004-9-27
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pubmed:abstractText |
We report a virtual Compton scattering study of the proton at low c.m. energies. We have determined the structure functions P(LL)-P(TT)/epsilon and P(LT), and the electric and magnetic generalized polarizabilities (GPs) alpha(E)(Q2) and beta(M)(Q2) at momentum transfer Q(2)=0.92 and 1.76 GeV2. The electric GP shows a strong falloff with Q2, and its global behavior does not follow a simple dipole form. The magnetic GP shows a rise and then a falloff; this can be interpreted as the dominance of a long-distance diamagnetic pion cloud at low Q2, compensated at higher Q2 by a paramagnetic contribution from piN intermediate states.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:status |
PubMed-not-MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0031-9007
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pubmed:author |
pubmed-author:MarchandCC,
pubmed-author:HoltropMM,
pubmed-author:SaitoTT,
pubmed-author:KojAA,
pubmed-author:KingCC,
pubmed-author:GayBB,
pubmed-author:KatoSS,
pubmed-author:FournierGG,
pubmed-author:BreuerHH,
pubmed-author:WilsonRR,
pubmed-author:SahaAA,
pubmed-author:MaedaKK,
pubmed-author:GomezJJ,
pubmed-author:HolmesRR,
pubmed-author:KumarK SKS,
pubmed-author:UenoHH,
pubmed-author:LiangMM,
pubmed-author:EpsteinM BMB,
pubmed-author:MillerG WGW,
pubmed-author:LeoneAA,
pubmed-author:SmithTT,
pubmed-author:RutledgeGG,
pubmed-author:McCormickKK,
pubmed-author:McIntyreJJ,
pubmed-author:WatsonJ WJW,
pubmed-author:TerasawaTT,
pubmed-author:NandaS KSK,
pubmed-author:GrenierPP,
pubmed-author:IodiceMM,
pubmed-author:AuerbackAA,
pubmed-author:SmirnovGG,
pubmed-author:KellyJ JJJ,
pubmed-author:MichaelsRR,
pubmed-author:FangS MSM,
pubmed-author:JonesM KMK,
pubmed-author:MartiniPP,
pubmed-author:MarchandDD,
pubmed-author:MadeyRR,
pubmed-author:KahlWW,
pubmed-author:MalevaOO,
pubmed-author:HowellCC,
pubmed-author:AndersonB DBD,
pubmed-author:BakerF TFT,
pubmed-author:GilmanRR,
pubmed-author:GalMM,
pubmed-author:ZhaoJJ,
pubmed-author:TsubotaHH,
pubmed-author:GiladSS,
pubmed-author:MarkowitzPP,
pubmed-author:De LeoRR,
pubmed-author:RenardFF,
pubmed-author:KhayatMM,
pubmed-author:SuleimanRR,
pubmed-author:HuangD WDW,
pubmed-author:WeinsteinL BLB,
pubmed-author:FroioFF,
pubmed-author:KussMM,
pubmed-author:FrullaniSS,
pubmed-author:GaribaldiFF,
pubmed-author:BerthotJJ,
pubmed-author:Di SalvoRR,
pubmed-author:ReamJ RJR,
pubmed-author:SorokinPP,
pubmed-author:VerninPP,
pubmed-author:ProutD LDL,
pubmed-author:RansomeR DRD,
pubmed-author:GasparianAA,
pubmed-author:FurgerAA,
pubmed-author:RavelOO,
pubmed-author:BretonVV,
pubmed-author:MerchezFF,
pubmed-author:LiyanageNN,
pubmed-author:MarroncleJJ,
pubmed-author:PerringJJ,
pubmed-author:DegrandeNN,
pubmed-author:d'HoseNN,
pubmed-author:Van HoorebekeLL,
pubmed-author:BertozziWW,
pubmed-author:ChudakovEE,
pubmed-author:DeurAA,
pubmed-author:GlashausserCC,
pubmed-author:HansenJ OJO,
pubmed-author:IncertiSS,
pubmed-author:de JagerC WCW,
pubmed-author:KumbartzkiGG
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