Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר 14.3.13 אלי שריד Eli Sarid ALPHA Collaboration, CERN + NRCN, Israel Antihydrogen.

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Presentation transcript:

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Eli Sarid ALPHA Collaboration, CERN + NRCN, Israel Antihydrogen Trapping and Resonant Interactions

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד The ALPHA Collaboration University of Aarhus, Denmark Auburn University, USA University of British Columbia, Canada University of California Berkeley, USA Simon Fraser University, Canada University of Calgary, Canada University of Liverpool, UK NRCN - Nucl. Res. Center Negev, Israel Federal University of Rio de Janeiro, Brazil RIKEN, Japan University of Wales Swansea, UK University of Tokyo, Japan TRIUMF, Canada

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד

Duoplasmatron= Source  90 keV (kinetic energy) LINAC2= Linear accelerator  50 MeV PSBooster= Proton Synchrotron Booster  1.4 GeV PS= Proton Synchrotron  25 GeV SPS= Super Proton Synchrotron  450 GeV LHC= Large Hadron Collider  7 TeV We are not LHC (No Higgs in this talk…)

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד ALPHA EXPERIMENT

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד The dream - Antihydrogen Spectroscopy 1s-2s two-photon spectroscopy Doppler effect cancels High precision in matter sector test of CPT theorem f(1S-2S) = (34) Hz - Hänsch group

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Antihydrogen Production Na-22 e + Production (MeV) ‏ Moderation Accumulation (eV Accumulation (eV) ‏ Cooling ( ~ meV) ‏ 10 8 e + AD p- Production (GeV) ‏ Deceleration (MeV) ‏ Trapping (keV) ‏ Cooling (~ meV) ‏ 10 4 p - Hbar Formation mechanism: Radiative recombination – Binding E. deep; Formation rates low, ~T -0.6 Three-body recombination – Binding E. shallow; Formation rate high, ~T -4.5

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד ATHENA- 2002

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Antihydrogen Trapping Na-22 e + Production (MeV) ‏ Moderation Accumulation (eV Accumulation (eV) ‏ Cooling ( ~ meV) ‏ 10 8 e + AD p- Production (GeV) ‏ Deceleration (MeV) ‏ Trapping (keV) ‏ Cooling (~ meV) ‏ 10 4 p - Superimpose Magnetic Trap U=-µB 0.7 K/T per Bohr magneton

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Magnetic Trap

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד

Cosmic rays vs. antiprotons

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Nature 38 events 38 annihilations in 335 attempts, only 1 in 246 with heated positrons Total background 1.4±1.4 events, including cosmic of 0.46±0.01 events Trapped antihydrogen for at least 172 ms.

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Nature 38 events vs. simulation (including the effect of bias electric fields) Nature 38 events vs. simulation (including the effect of bias electric fields) Bias fields prove that the annihilations are not mirror trapped pbars

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד ANTIHYDROGEN CONFINEMENT FOR 1000S

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד Talk in anti-matter language (2011)

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד 17 STAR TREK ENTERPRISE

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד FACT Until recently antimatter has been created in very small amounts. But CERN has now broken ground on its new Antiproton Decelerator- an advanced antimatter production facility that promises to create antimatter in much larger quantities. Dan Brown, Angels and Demons (2000)

Antihydrogen Trapping and Resonant Interactions, חגיגת הפיזיקה שדה בוקר אלי שריד