Presentation is loading. Please wait.

Presentation is loading. Please wait.

Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI Univ. of Tokyo Ryo FUNAKOSHI ATHENA collaboration ATHENA: a High Performance detector for.

Published byGerald Davidson Modified over 8 years ago

Similar presentations

Presentation on theme: "Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI Univ. of Tokyo Ryo FUNAKOSHI ATHENA collaboration ATHENA: a High Performance detector for."— Presentation transcript:

1 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI Univ. of Tokyo Ryo FUNAKOSHI ATHENA collaboration ATHENA: a High Performance detector for Low Energy physics

2 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 2 Out Line Introduction  Introduction - antiproton facility at CERN ATHENA experiment  ATHENA experiment (focused on detector) - setup (trap + detector), electronics, feature Detection of antihydrogen  Detection of antihydrogen - detection scheme  Future experiment - antihydrogen trap (just idea)

3 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 3 Slow Antiproton Facility at CERN

4 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 4 Introduction: Introduction: Antiproton Decelerator (AD)  Low energy antiproton source (only one)  Stochastic & electron cooling 100 MeV/c  Antiproton: 3.5 GeV/c -> 100 MeV/c  Pulse beam, every 85 s （ ~2 x 10 7 antiprotons ）

5 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 5 Introduction: Introduction: Antiproton facility at CERN LEAR 1986-1996 1992 Proposed by Munger et al.: pbar + Z → hbar 1996 9 events antihydrogen (however life time ~40 ns) ASACUSA ATRAP ATHENA AD 1999- Three experiments in AD hall: Athena --- Antihydrogen Asacusa --- Pbar He, etc. Atrap --- Antihydrogen

6 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 6 ATHENA experiment

7 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 7 Introduction: Introduction: ATHENA collaboration Univ. of Aarhus, Denmark Univ. of Brescia, Italy Univ. of Genova, Italy CERN, Geneva, Suisse Univ. of Pavia, Italy Univ. of Rio, Brazil Univ. of Swansee, Wales (UK) Univ. of Tokyo, Japan Univ. of Zurich, Suisse INFN, Italy LANL, USA

8 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 8 ATHENA experiment: ATHENA experiment: Basic shame

9 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 9 ATHENA experiment: ATHENA experiment: Motivations

10 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 10 ATHENA Instruments FeaturesFeatures strong e + source high performance detector plasma manipulation strong e + source high performance detector plasma manipulation ATHENA apparatus

11 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 11 ATHENA experiment: ATHENA experiment: Overview of apparatus Antiproton catching trap Positron accumulator Mixing trap Antihydrogen detector

12 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 12 ATHENA experiment: ATHENA experiment: Main detector ・ compact, operation under strong B field ・ large solid angle > 80% ・ high granularity ； Si : 2 layers, ~8000ch. -> charged particles CsI : 192ch. -> 511keV photons

13 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 13 ATHENA experiment: ATHENA experiment: Silicon module Thickness:  m  Double sided sensors  Read out VA2_TA chip (manufacture)

14 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 14 ATHENA experiment: ATHENA experiment: CsI crystals Resolution FWHM ~ 18% Efficiency ~ 20 % VA2_TA chip

15 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 15 ATHENA experiment: ATHENA experiment: Installation <Trap> P<10 -12 mbar, T~15K Cold nose <Detector> P~10 -9 mbar, T~130K

16 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 16 ATHENA experiment: ATHENA experiment: Antiproton catching ～ 10000 antiprotons per AD shot Segmented Si (67 µ) beam counter Antiproton Capture Trap

17 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 17 ATHENA experiment : ATHENA experiment : Imaging by Silicon detector 3D image of antiproton annihilations XY-projection YZ-projection Event display non-destructive monitoring system

18 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 18 ATHENA experiment : ATHENA experiment : Imaging by Silicon detector M. C. Fujiwara et al., Phys. Rev. Lett. 92, 065005 (2004) non-destructive 3D image of antiproton annihilations

19 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 19 Detection of Cold Antihydrogen with High-performance detector

20 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 20 Si-strip CsI crystals 2.5 cm 3T Cold antihydrogen: Cold antihydrogen: Production scheme 10 8 e + 10 4 pbars   annihilation Antihydrogen production mixing 10 4 antiprotons + 10 8 e + annihilation of produced antihydrogen -> escape from B confinement -> charged particles from p annihilations -> two 511keV photons from e+ annihilations  （ back-to-back ） ① Vertex reconstruction by trace of charged particle paths (Si-strip) ② Extrapolation of two 511keVphotons to the vertex  CsI crystals) Antihydrogen event Opening angle between two photons; cos   = -1

21 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 21 Cold antihydrogen: Cold antihydrogen: Detection efficiency Detection scheme Antihydrogen annihilation Vertex reconstruction Opening angle selection （ 2 x 511keV photons ） Antihydrogen events ~50% ~10% ~5% Total efficiency ~ 0.25% 50,000 antihydrogen

22 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 22 Cold antihydrogen: Cold antihydrogen: Cold antihydrogen I `Cold mixing’`Hot mixing’ Antiproton annihilation distribution

23 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 23 Cold antihydrogen: Cold antihydrogen: Cold antihydrogen II 1. `Hot mixing’  suppress antihydrogen production 2.Antiprotons only 3.Displaced 511keV energy window 131± 22 Golden Events

24 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 24 For the future : For the future : Estimated temperature Isolated hbar spatial distribution (“Cold mix.” – “Hot mix.”) No T e+ dependence Model Best fit with T axial = 10 x T radial Hbar formation before thermal equilibrium Including the plasma rotating (80kHz) Two-temperature Gaussian distribution Temperature of antihydrogen > 150K (ATHENA experiment) N. Madsen et al., Phys. Rev. Lett. 94, 033403 (2005)

25 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 25 For the future next experiment

26 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 26 For the future: For the future: Motivation (e/m) 2005 (matter) (antimatter ) same mass & life time, same & opposite charge High precision tests for CPT Impossible to do with ATHENA type equipment Impossible to do with ATHENA type equipment; Once antihydrogen has been trapped, any type of precision measurement can be contemplated

27 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 27 For the future : For the future : Antihydrogen trap I Well depth ~ 0.7 K/T Aside: high n-states could have higher  Idea -neutral atom trap -

28 Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI 28 For the future : For the future : Antihydrogen trap II + ATHENA type (trap + detector)   mulipole trap +

Download ppt "Ялта Конференция 2005 -Yalta-, Univ. of Tokyo, Ryo FUNAKOSHI Univ. of Tokyo Ryo FUNAKOSHI ATHENA collaboration ATHENA: a High Performance detector for."

Similar presentations

M. Jones, A. Boston, M. Chartier, B. McGuirk, P. Nolan, R.D. Page, P. Pusa, D. Seddon, J. Thornhill, D. Wells and the ALPHA collaboration Department of.

M. Jones, A. Boston, M. Chartier, B. McGuirk, P. Nolan, R.D. Page, P. Pusa, D. Seddon, J. Thornhill, D. Wells and the ALPHA collaboration Department of.
Ion-Induced Instability of Diocotron Modes In Magnetized Electron Columns Andrey Kabantsev University of California at San Diego Physics Department Nonneutral.

Ion-Induced Instability of Diocotron Modes In Magnetized Electron Columns Andrey Kabantsev University of California at San Diego Physics Department Nonneutral.
Matteo Negrini ISMD-2003, Krakow, September 5-11, 2003 Charmonium Production with Antiproton - Gas Jet Interactions at FNAL Matteo Negrini University of.

Matteo Negrini ISMD-2003, Krakow, September 5-11, 2003 Charmonium Production with Antiproton - Gas Jet Interactions at FNAL Matteo Negrini University of.
Antihydrogen Spectroscopy David Christian Fermilab November 17, 2007.

Antihydrogen Spectroscopy David Christian Fermilab November 17, 2007.
James Ritman Univ. Giessen PANDA: Experiments to Study the Properties of Charm in Dense Hadronic Matter Overview of the PANDA Pbar-A Program The Pbar Facility.

James Ritman Univ. Giessen PANDA: Experiments to Study the Properties of Charm in Dense Hadronic Matter Overview of the PANDA Pbar-A Program The Pbar Facility.
experimental platform

experimental platform
Bakeout Control and Heater Systems Matthew Bohman ALPHA Collaboration University of Michigan Semester at CERN.

Bakeout Control and Heater Systems Matthew Bohman ALPHA Collaboration University of Michigan Semester at CERN.
CLIC Collaboration Working Meeting: 2012-2016 Work packages November 3, 2011 R&D on Detectors for CLIC Beam Monitoring at LBNL and UCSC/SCIPP Marco Battaglia.

CLIC Collaboration Working Meeting: Work packages November 3, 2011 R&D on Detectors for CLIC Beam Monitoring at LBNL and UCSC/SCIPP Marco Battaglia.
The Production of Cold Antihydrogen w. A Brief History of Antimatter In 1928, Paul Dirac proposes antimatter with his work in relativistic quantum mechanics.

The Production of Cold Antihydrogen w. A Brief History of Antimatter In 1928, Paul Dirac proposes antimatter with his work in relativistic quantum mechanics.
Michael Charlton Progress with Cold Antihydrogen Work presented mostly that of the ATHENA collaboration.

Michael Charlton Progress with Cold Antihydrogen Work presented mostly that of the ATHENA collaboration.
Atomic Physics with Ultra-slow Antiprotons p. 1 E. Widmann Atomic Physics with Ultra-Slow Antiprotons E. Widmann ASACUSA collaboration, University of Tokyo.

Atomic Physics with Ultra-slow Antiprotons p. 1 E. Widmann Atomic Physics with Ultra-Slow Antiprotons E. Widmann ASACUSA collaboration, University of Tokyo.
D 0 Measurement in Cu+Cu Collisions at √s=200GeV at STAR using the Silicon Inner Tracker (SVT+SSD) Sarah LaPointe Wayne State University For the STAR Collaboration.

D 0 Measurement in Cu+Cu Collisions at √s=200GeV at STAR using the Silicon Inner Tracker (SVT+SSD) Sarah LaPointe Wayne State University For the STAR Collaboration.
E. Widmann, Antihydrogen GS-HFS, p. 1 LEAP03, Yokohama, March 4, 2003 Measurement of the Hyperfine Structure of Antihydrogen E. Widmann, R.S. Hayano, M.

E. Widmann, Antihydrogen GS-HFS, p. 1 LEAP03, Yokohama, March 4, 2003 Measurement of the Hyperfine Structure of Antihydrogen E. Widmann, R.S. Hayano, M.
STUDY OF CHARMONIUM STATES IN ANTIPROTON-PROTON ANNIHILATIONS: RESULTS FROM FERMILAB E-835 Giulio Stancari Fermi National Accelerator Laboratory for the.

STUDY OF CHARMONIUM STATES IN ANTIPROTON-PROTON ANNIHILATIONS: RESULTS FROM FERMILAB E-835 Giulio Stancari Fermi National Accelerator Laboratory for the.
 and  results from NA57 in Pb-Pb collisions at 160 A GeV/c at the CERN SPS Giuseppe E. Bruno Università di Bari and INFN, Bari, Italy On behalf of the.

 and  results from NA57 in Pb-Pb collisions at 160 A GeV/c at the CERN SPS Giuseppe E. Bruno Università di Bari and INFN, Bari, Italy On behalf of the.
1 Antimatter 1Antimatter and the Universe 2Antimatter in the Laboratory 3Antimatter in Daily Life.

1 Antimatter 1Antimatter and the Universe 2Antimatter in the Laboratory 3Antimatter in Daily Life.
+ + + + + + + + + + 2004 International Symposium on Heavy Ion Inertial Fusion 7 - 11 June 2004 Plasma Physics Laboratory, Princeton University “Stopping.

International Symposium on Heavy Ion Inertial Fusion June 2004 Plasma Physics Laboratory, Princeton University “Stopping.
FLAR project S.L. Yakovenko JINR, Dubna,Russia. 2 Contents 1.FlAIR project 2.AD facility at CERN 3.Antyhydrogen and Positronium in-flight at FLAIR 4.LEPTA.

FLAR project S.L. Yakovenko JINR, Dubna,Russia. 2 Contents 1.FlAIR project 2.AD facility at CERN 3.Antyhydrogen and Positronium in-flight at FLAIR 4.LEPTA.
1 Antimatter - Rolf Landua Lecture Plan I.History of Antimatter II.Antimatter and the Universe III.Production and trapping of antiparticles IV.Precision.

1 Antimatter - Rolf Landua Lecture Plan I.History of Antimatter II.Antimatter and the Universe III.Production and trapping of antiparticles IV.Precision.
Towards the production of an anti-hydrogen beam Simon Van Gorp1, Y.Enomoto1, N.Kuroda2, K.Michishio3, D.J.Murtagh1, S.Ulmer1,, H. Higaki, C.H.Kim2, Y.Nagata1,

Towards the production of an anti-hydrogen beam Simon Van Gorp1, Y.Enomoto1, N.Kuroda2, K.Michishio3, D.J.Murtagh1, S.Ulmer1,, H. Higaki, C.H.Kim2, Y.Nagata1,

Similar presentations

Ads by Google