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Related papers: Electron Cooling Performance at IMP Facility

200 papers

The High-Energy Storage Ring (HESR) of the future International Facility for Antiproton and Ion Research (FAIR) at GSI in Darmstadt is planned as an antiproton synchrotron and storage ring in the momentum range from 1.5 to 15 GeV/c. An…

Accelerator Physics · Physics 2008-11-26 A. Lehrach , O. Boine-Frankenheim , F. Hinterberger , R. Maier , D. Prasuhn

We have measured dissociative recombination of HCl+ with electrons using a merged beams configuration at the heavy-ion storage ring TSR located at the Max Planck Institute for Nuclear Physics in Heidelberg, Germany. We present the measured…

Instrumentation and Methods for Astrophysics · Physics 2013-10-23 O. Novotný , A. Becker , H. Buhr , C. Domesle , W. Geppert , M. Grieser , C. Krantz , H. Kreckel , R. Repnow , D. Schwalm , K. Spruck , J. Stützel , B. Yang , A. Wolf , D. W. Savin

We report on the first storage of ion beams in the Double ElectroStatic Ion Ring ExpEriment; DESIREE, at Stockholm University. We have produced beams of atomic carbon anions and small carbon anion molecules (C$_n^-$, $n=1,2,3,4$) in a…

The longitudinal Schottky spectra of a radio-frequency (RF) bunched and electron cooled 22Ne10+ ion beam at 70 MeV/u have been studied by a newly installed resonant Schottky pick-up at the experimental cooler storage ring (CSRe), at IMP.…

Detectors proposed for the International Linear Collider (ILC) incorporate a tungsten sampling calorimeter (`BeamCal') intended to reconstruct showers of electrons, positrons and photons that emerge from the interaction point of the…

The electron cooler of the CRYRING@ESR storage ring at the GSI-FAIR accelerator complex is a unique instrument, which not only provides beam cooling of the stored ions, but also serves as a low-energy electron target for Dielectronic…

Significant beam loss caused by the charge exchange processes and ions impact induced outgassing play a crucial role in the limitation of the maximum number of accumulated heavy ions during the high intensity operation in the accelerators.…

Accelerator Physics · Physics 2015-06-22 Wenheng Zheng , Jiancheng Yang , Peng Li , Zhongshan Li , Peng Shang , Guofeng Qu , Wenwen Ge , Meitang Tang , Xiaoping Sha

We have recently performed experiments to test the effectiveness of three ion-clearing strategies in the Cornell high intensity photoinjector: DC clearing electrodes, bunch gaps, and beam shaking. The photoinjector reaches a new regime of…

Accelerator Physics · Physics 2016-04-20 Steven Full , Adam Bartnik , Ivan Bazarov , John Dobbins , Bruce Dunham , Georg Hoffstaetter

Detectors proposed for the International Linear Collider (ILC) incorporate a tungsten sampling calorimeter (`BeamCal') intended to reconstruct showers of electrons, positrons and photons that emerge from the interaction point of the…

We explore the response of the He II 304 {\AA} and He I 584 {\AA} line intensities to electron beam heating in solar flares using radiative hydrodynamic simulations. Comparing different electron beams parameters, we found that the…

Solar and Stellar Astrophysics · Physics 2015-12-14 Paulo J. A. Simões , Lyndsay Fletcher , Nicolas Labrosse , Graham S. Kerr

Detectors proposed for the International Linear Collider (ILC) incorporate a tungsten sampling calorimeter (`BeamCal') intended to reconstruct showers of electrons, positrons and photons that emerge from the interaction point of the…

A detailed experimental and simulation study of the extraction of a 24 keV He-ion beam from an ECR ion source and the subsequent beam transport through an analyzing magnet is presented. We find that such a slow ion beam is very sensitive to…

Accelerator Physics · Physics 2015-06-04 S. Saminathan , J. P. M. Beijers , H. R. Kremers , V. Mironov , J. Mulder , S. Brandenburg

A novel single-particle technique to measure emittance has been developed and used to characterise seventeen different muon beams for the Muon Ionisation Cooling Experiment (MICE). The muon beams, whose mean momenta vary from 171 to 281…

Accelerator Physics · Physics 2013-10-14 The MICE Collaboration , D. Adams , D. Adey , A. Alekou , M. Apollonio , R. Asfandiyarov , J. Back , G. Barber , P. Barclay , A. de Bari , R. Bayes , V. Bayliss , R. Bertoni , V. J. Blackmore , A. Blondel , S. Blot , M. Bogomilov , M. Bonesini , C. N. Booth , D. Bowring , S. Boyd , T. W. Bradshaw , U. Bravar , A. D. Bross , M. Capponi , T. Carlisle , G. Cecchet , G. Charnley , J. H. Cobb , D. Colling , N. Collomb , L. Coney , P. Cooke , M. Courthold , L. M. Cremaldi , A. DeMello , A. Dick , A. Dobbs , P. Dornan , S. Fayer , F. Filthaut , A. Fish , T. Fitzpatrick , R. Fletcher , D. Forrest , V. Francis , B. Freemire , L. Fry , A. Gallagher , R. Gamet , S. Gourlay , A. Grant , J. S. Graulich , S. Griffiths , P. Hanlet , O. M. Hansen , G. G. Hanson , P. Harrison , T. L. Hart , T. Hartnett , T. Hayler , C. Heidt , M. Hills , P. Hodgson , A. Iaciofano , S. Ishimoto , G. Kafka , D. M. Kaplan , Y. Karadzhov , Y. K. Kim , D. Kolev , Y. Kuno , P. Kyberd , W. Lau , J. Leaver , M. Leonova , D. Li , A. Lintern , M. Littlefield , K. Long , G. Lucchini , T. Luo , C. Macwaters , B. Martlew , J. Martyniak , A. Moretti , A. Moss , A. Muir , I. Mullacrane , J. J. Nebrensky , D. Neuffer , A. Nichols , R. Nicholson , J. C. Nugent , Y. Onel , D. Orestano , E. Overton , P. Owens , V. Palladino , J. Pasternak , F. Pastore , C. Pidcott , M. Popovic , R. Preece , S. Prestemon , D. Rajaram , S. Ramberger , M. A. Rayner , S. Ricciardi , A. Richards , T. J. Roberts , M. Robinson , C. Rogers , K. Ronald , P. Rubinov , R. Rucinski , I. Rusinov , H. Sakamoto , D. A. Sanders , E. Santos , T. Savidge , P. J. Smith , P. Snopok , F. J. P. Soler , T. Stanley , D. J. Summers , M. Takahashi , J. Tarrant , I. Taylor , L. Tortora , Y. Torun , R. Tsenov , C. D. Tunnell , G. Vankova , V. Verguilov , S. Virostek , M. Vretenar , K. Walaron , S. Watson , C. White , C. G. Whyte , A. Wilson , H. Wisting , M. Zisman

Sympathetic cooling of trapped ions has become an indispensable tool for quantum information processing and precision spectroscopy. In the simplest situation a single Doppler-cooled ion sympathetically cools another ion which typically has…

Atomic Physics · Physics 2013-05-30 Jannes B. Wübbena , Sana Amairi , Olaf Mandel , Piet O. Schmidt

As a part of a feasibility study of using the Fermilab Electron Cooler for a low-energy Relativistic Heavy Ion Collider (RHIC) run at Brookhaven National Laboratory (BNL), the cooler operation at 1.6 MeV electron beam energy was tested in a…

Accelerator Physics · Physics 2012-07-26 Lionel Prost , Alexander Shemyakin , Alexei Fedotov , Jorg Kewisch

At COSY, electron cooling is used after stripping injection of H- or D- ions in order to prepare phase-space-dense ion beams before acceleration to a requested energy. The electron-cooled beam has been successfully applied for specific…

Here we compute the ion distribution produced by an electron beam when ion-clearing electrodes are installed. This ion density is established as an equilibrium between gas ionization and ion clearing. The transverse ion distributions are…

Accelerator Physics · Physics 2008-11-26 Georg H. Hoffstaetter , Christian Spethmann

A prototype for a sampling calorimeter made out of cerium fluoride crystals interleaved with tungsten plates, and read out by wavelength-shifting fibres, has been exposed to beams of electrons with energies between 20 and 150 GeV, produced…

We have measured electron impact ionization (EII) for Fe 7+ from the ionization threshold up to 1200 eV. The measurements were performed using the TSR heavy ion storage ring. The ions were stored long enough prior to measurement to remove…

Results from a large set of hydrodynamical SPH simulations of galaxy clusters in a flat LCDM cosmology are used to investigate the metal enrichment and heating of the ICM. The physical modeling of the gas includes radiative cooling, star…

Astrophysics · Physics 2009-11-07 R. Valdarnini