6533b820fe1ef96bd127a62b

RESEARCH PRODUCT

Hypernuclear Spectroscopy at JLab Hall C

L. GanPavlo BaturinM. K. JonesYoichi SatoW. F. VulcanX. YanP. AchenbackY. ZhangT. HornA. ChibaI. NiculescuS. WellsH. C. FenkerY. YeT. YamamotoI. AlbayrakW. U. BoeglinToshio MotobaL. G. TangAmur MargaryanA. AsaturyanOsamu HashimotoF. CusannoA. LiyanageBrian RaueMasashi KanetaL. YuanO. AtesChhanda SamantaG. M. UuciuoliHirokazu TamuraN. TaniyaRolf EntT. WaltonC. JohnstonD. GaskellJ. FengAshot GasparianL. ZhuHiroki KandaMiroslav FurićSatoshi NakamuraPete MarkowitzJ. ZhouV. TadevosyanChunhui ChenB. HuC. E. KeppelEd V. HungerfordK. YokotaR. De LeoD. DoiYu FujiiF. GaribaldiJ. PochodzalaA. AhmidouchY. FuHong LuZ. YeH. MkrtchyanW. WangG. NiculescuKazushige MaedaT. SevaYi JiangY. LiS. A. WoodJ. ShenNeven SimicevicS. DanagoulianSho NagaoX. ZhangV.m. RodriguezF. R. WesselmannEmiko HiyamaMichael KohlDarko AndroićA. MatsumuraA. ShichijoToshiyuki GogamiM. E. ChristyG. R. SmithJ. ReinholdM. ElaasarHiroyuki NoumiS. DhamijaS. MaronneTomislav PetkovićTomofumi MarutaD. KawamaA. MkrtchyanSeigo KatoS. ZhouE. CisbaniT. Takahashi

subject

Nuclear physicsPhysicsNuclear and High Energy PhysicsParticle physicsFull width at half maximumLuminosity (scattering theory)Electron spectrometerSpectrometerResolution (electron density)Calibrationhypernuclear; electroproduction; kaon spectrometer; electron spectrometerSpectroscopySpectral line

description

Abstract Since the 1st generation experiment, E89-009, which was successfully carried out as a pilot experiment of (e,e'K+) hypernuclear spectroscopy at JLab Hall C in 2000, precision hypernuclear spectroscopy by the (e,e'K+) reactions made considerable progress. It has evolved to the 2nd generation experiment, E01-011, in which a newly constructed high resolution kaon spectrometer (HKS) was installed and the “Tilt method” was adopted in order to suppress large electromagnetic background and to run with high luminosity. Preliminary high-resolution spectra of 7 Λ He and 28 Λ Al together with that of 12 Λ B that achieved resolution better than 500 keV(FWHM) were obtained. The third generation experiment, E05-115, has completed data taking with an experimental setup combining a new splitter magnet, high resolution electron spectrometer (HES) and the HKS used in the 2nd generation experiment. The data were accumulated with targets of 7 Li, 9 Be, 10 B, 12 C and 52 Cr as well as with those of CH 2 and H 2 O for calibration. The analysis is under way with particular emphasis of determining precision absolute hypernuclear masses. In this article, hypernuclear spectroscopy program in the wide mass range at JLab Hall C that has undergone three generation is described.

https://doi.org/10.1016/j.nuclphysa.2010.01.184