Author: Payet, J.
Paper Title Page
MOPPC013 Optics and Lattice Optimizations for the LHC Upgrade Project 151
  • B. Dalena
    CEA/IRFU, Gif-sur-Yvette, France
  • R. Appleby
    UMAN, Manchester, United Kingdom
  • A.V. Bogomyagkov
    BINP SB RAS, Novosibirsk, Russia
  • A. Chancé, J. Payet
    CEA/DSM/IRFU, France
  • R. De Maria, B.J. Holzer
    CERN, Geneva, Switzerland
  • A. Faus-Golfe, J. Resta-López
    IFIC, Valencia, Spain
  • K.M. Hock, M. Korostelev, L.N.S. Thompson, A. Wolski
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  • C. Milardi
    INFN/LNF, Frascati (Roma), Italy
  The luminosity upgrade of the LHC collider at CERN is based on a strong focusing scheme to reach lowest values of the beta function at the collision points. Several issues have to be addressed in this context, that are considered as mid term goals for the optimisation of the lattice and beam optics: Firstly a number of beam optics have been developed to establish a baseline for the hardware R&D, and to define the specifications for the new magnets that will be needed, in Nb3Sn and in NbTi technology. Secondly, the need for sufficient flexibility of the beam optics especially for smallest β* values has to be investigated as well as the need for a smooth transition between the injection and the collision optics. Finally the performance of the optics based on flat and round beams has to be compared and different ways have to be studied to optimise the chromatic correction, including the study of local correction schemes. This paper presents the status of this work, which is a result of an international collaboration, and summarises the main parameters that are foreseen to reach the HL-LHC luminosity goal.  
TUPPC003 Analytical Methods for Statistical Analysis for the Correction of Coupling Due to Errors 1152
  • A. Chancé, J. Payet
    CEA/DSM/IRFU, France
  • B. Dalena
    CEA/IRFU, Gif-sur-Yvette, France
  The statistical evaluation of the coupling induced by magnets errors and misalignments on the optics design of a machine are done by tracking and Monte Carlo methods. These techniques are CPU demanding and time consuming. During the preliminary optics design phase a faster technique can be useful to evaluate the order of magnitude and the effectiveness of the correction system. Analytical expression for the transport along the machine of the magnets errors and misalignment are derived at first order. A perturbative approach is used to take into account the effect of a non zero central trajectory in the multipoles. The coupling correction is obtained by minimizing the cross-talk central trajectory matrix response.  
THPPP087 Beta Beams for Precision Measurements of Neutrino Oscillation Parameters 3939
  • E.H.M. Wildner, E. Benedetto, T. De Melo Mendonca, C. Hansen, T. Stora
    CERN, Geneva, Switzerland
  • D. Berkovits
    Soreq NRC, Yavne, Israel
  • A. Brondi, A. Di Nitto, G. La Rana, R. Moro, E. Vardaci
    Naples University Federico II, Napoli, Italy
  • G. Burt
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • A. Chancé, J. Payet
    CEA/DSM/IRFU, France
  • M. Cinausero, G. De Angelis, F. Gramegna, V. Kravtchouk, T. Marchi, G.P. Prete
    INFN/LNL, Legnaro (PD), Italy
  • G. Collazuol
    Univ. degli Studi di Padova, Padova, Italy
  • G. De Rosa, V.C. Palladino
    INFN-Napoli, Napoli, Italy
  • F. Debray, C. Trophime
    GHMFL, Grenoble, France
  • T. Delbar, T. Keutgen, M. Loiselet, S. Mitrofanov
    UCL, Louvain-la-Neuve, Belgium
  • M. Hass, T. Hirsch
    Weizmann Institute of Science, Physics, Rehovot, Israel
  • I. Izotov, V. Sidorov, V. Skalyga, V. Zorin
    IAP/RAS, Nizhny Novgorod, Russia
  • T. Lamy, L. Latrasse, M. Marie-Jeanne, P. Sortais, T. Thuillier
    LPSC, Grenoble, France
  • M. Mezzetto
    INFN- Sez. di Padova, Padova, Italy
  • A. Stahl
    RWTH, Aachen, Germany
  Funding: CERN and European Community under the European Commission Framework Programme 7 Design Study: EUROnu, Project Number 212372
Neutrino oscillations have implications for the Standard Model of particle physics. The “CERN Beta Beam” has outstanding capabilities to contribute to precision measurements of the parameters governing neutrino oscillations. The FP7 collaboration “EUROnu” (2008-2012) is a design study that will review three facilities (Super-Beams, Beta Beams and Neutrino Factories) and perform a cost assessment that, coupled with the physics performance, will give means to the European research authorities to make decisions on future European neutrino oscillation facilities. "Beta Beams" produce collimated pure electron (anti)neutrino beams by accelerating beta active ions to high energies and having them decay in a storage ring. Using existing machines and infrastructure is an advantage for the cost evaluation; however, this choice is also constraining the Beta Beams. Recent work to make the Beta Beam facility a solid option will be described: production of Beta Beam isotopes, the 60 GHz pulsed ECR source development, integration into the LHC-upgrades, ensure the high intensity ion beam stability, and optimizations to get high neutrino fluxes. The costing approach will also be described.