Viacheslav Duk, INFN Perugia

Slides:

Advertisements

Similar presentations

Investigations of Semileptonic Kaon Decays at the NA48 Еxperiment Milena Dyulendarova (University of Sofia “St. Kliment Ohridski”) for NA48 Collaboration.

Advertisements

ULTRA-RARE KAON DECAY FOR A PRECISION TEST OF THE STANDARD MODEL KRISTIN SCHIMERT UNIVERSITY OF CALIFORNIA, BERKELEY PHYSICS DECEMBER 2010 K + →

Jin Huang Brookhaven National Lab For the PHENIX Collaboration A MERICAN P HYSICAL S OCIETY A PRIL M EETING, A PRIL 13, 2015, B ALTIMORE, M ARYLAND Outline:

TIME-LIKE BARYON FORM FACTORS: EXPERIMENTAL SITUATION AND POSSIBILITIES FOR PEP-N Roberto Calabrese Dipartimento di Fisica and I.N.F.N. Ferrara, Italy.

Yu. Potrebenikov JINR, Dubna 13 th Lomonosov Conference on Elementary Particle Physics, Moscow, August 23-29, 2007 The K +   experiment at CERN P326.

POLENKEVICH IRINA (JINR, DUBNA) ON BEHALF OF THE NA62 COLLABORATION XXI INTERNATIONAL WORKSHOP ON HIGH ENERGY PHYSICS AND QUANTUM FIELD THEORY (QFTHEP'2013)

Takehiro Nabeshima University of Toyama ILC physics general meeting 9 jun Phenomenology at a linear collider in a radiative seesaw model from TeV.

NA48-2 new results on Charged Semileptonic decays Anne Dabrowski Northwestern University Kaon 2005 Workshop 14 June 2005.

Ke2/Kmu2 and LFV tests Crimea2008 Yalta 27/09/08 – 04/10/08 Andrey Zinchenko JINR, Dubna On behalf of NA62 Collaboration: Bern, Birmingham, CERN, Dubna,

L. Bellagamba, Excited fermions and other searches at HERA 1 International Conference on High Energy Physics Amsterdam July 2002 Excited fermions.

Дмитрий ВавиловИФВЭ 2005, 19 Декабря1 New results on rare kaon and pion decays from BNL E949 Dmitry Vavilov E949 is an high rate K + decay at rest experiment.

July 19th, 2003EPS HEP Aachen R. Fantechi Tests of Chiral Perturbation Theory in K S rare decays at NA48 Riccardo Fantechi INFN - Sezione di Pisa.

Status of A g measurement in NA48/2 DA  NE 2004 Luca Fiorini Scuola Normale Superiore and INFN Pisa on behalf of NA48/2 collaboration: Cambridge, CERN,

Recent CP violation measurements at CERN-NA48 experiment For the NA48 and NA48/2 collaborations: Cagliari, Cambridge, CERN, Chicago, Dubna, Edinburgh,

EXPERIMENT INR/IHEP Protvino-Moscow, Russia Viacheslav Duk INR RAS QUARKS 2006 Rare Kaon Decays

Measurement of Vus. Recent NA48 results on semileptonic and rare Kaon decays Leandar Litov, CERN On behalf of the NA48 Collaboration.

Silicon Photo Multipliers as readout for the NA62 CEDAR Detector Silicon Photo Multipliers as readout for the NA62 CEDAR Detector The NA62 Collaboration.

Search for heavy neutrino in K‾→ µ‾ ν γ decay at ISTRA+ setup Viacheslav Duk, INR RAS ISTRA+ collaboration ISTRA+ IHEP U-70 (Protvino, Russia)

Magnetized hadronic calorimeter and muon veto for the K +   +  experiment L. DiLella, May 25, 2004 Purpose:  Provide pion – muon separation (muon veto)

New precise measurements of radiative charged kaon and hyperon decays Ermanno Imbergamo University of Perugia and INFN on behalf of the NA48/2 Collaboration.

Abstract Several models of elementary particle physics beyond the Standard Model, predict the existence of neutral particles that can decay in jets of.

Search for dark-sector Higgs and gauge bosons at B A B AR Adrian Bevan 1July 2012 h'h' A'A' χ A0A0.

P.F.Ermolov SVD-2 status and experimental program VHMP 16 April 2005 SVD-2 status and experimental program 1.SVD history 2.SVD-2 setup 3.Experiment characteristics.

Test of lepton flavour violation and rare decays with the NA48/2-NA62 experiments at CERN R. Fantechi CERN and INFN – Sezione di Pisa on behalf of the.

1 Recent Results on J/  Decays Shuangshi FANG Representing BES Collaboration Institute of High Energy Physics, CAS International Conference on QCD and.

September 27, Proposal to Measure the Rare Decay K     at the CERN SPS CERN, Dubna, Ferrara, Florence, Frascati, Mainz, Merced,

The large-angle photon veto detector for the P326 experiment at CERN R. Fantechi INFN – Sezione di Pisa on behalf of the P326/NA62 Collaboration Villa.

A New Upper Limit for the Tau-Neutrino Magnetic Moment Reinhard Schwienhorst      ee ee

V.Duk, INR Moscow Quarks-2008, May OKA Experiment for Studying Rare Kaon Decays Viacheslav Duk, INR Moscow for collaboration.

1 Evgueni Goudzovski (University of Birmingham) for the NA62 collaboration (Bern ITP, Birmingham, CERN, Dubna, Fairfax, Ferrara, Florence, Frascati, IHEP.

Searches for Resonances in dilepton final states Searches for Resonances in dilepton final states PANIC th -14 th November 2008, Eilat, ISRAEL A.

ChPT tests at NA62 Mauro Raggi, Laboratori Nazionali di Frascati On behalf of the NA62 collaboration X Th quark confinement and hadron spectrum Tum campus,

EXPERIMENTS INR/IHEP Protvino-Moscow, Russia Viacheslav Duk INR RAS BEACH 2006 Highlights on Rare Charged Kaon Decays ISTRA+ & KEK.

Monica Pepe INFN Perugia on behalf of the NA48/2 Collaboration (Cambridge, CERN, Chicago, Dubna, Edimburgh, Ferrara, Firenze, Mainz, Northwestern, Perugia,

Search for a new light boson in  decays J.Stepaniak, M.Berłowski, NCBJ Warsaw For WASA-at-COSY Collaboration Meson2014,Krakow

K+e+γ using OKA detector

The New CHOD detector for the NA62 experiment at CERN S

Search for A’ from p0  A’ g

Kaon Physics at Hadron Machines

Search for dark photon at NA48/2, and measurement of p0 form factor

THE CERN Experiment P326 for Rare Kaon Decays

Prospects for K+ p+ n n Observation at CERN in NA62

Observation of a “cusp” in the decay K±  p±pp

Giovanni De Lellis University Federico II and INFN Naples

The e+e- collider experiments to search for dark matter

Protvino-Moscow, Russia

Search for Dark Matter in Jets plus MET final state for Non-therma Dark Matter model Using Data From Proton-Proton Collisions at √s = 13TeV Sonaina Undleeb.

RK and K+p+nn with NA62 at CERN SPS

Search for heavy neutrinos in kaon decays

Results from OPERA Pablo del Amo Sánchez for the OPERA collaboration

on behalf of the KLOE-2 Collaboration

Physics with the ICARUS T1800 detector

of secondary light ion beams

The NA62 measurement of RK = GKe2/GKm2 R

(Scuola Normale Superiore & INFN Pisa)

A. Gasparian NC A&T State University, Greensboro, NC

Lepton Number and Lepton Flavour Violation

Recent results of the NA48/2 experiment

Beam Dump Experiments with Photon and Electron Beams

Protvino-Moscow, Russia

Double beta decay and Leptogenesis

A. Gasparian NC A&T State University, Greensboro, NC

Background rejection in P326 (NA48/3)

DARK PHOTONS FROM THE SUN

Search for Invisible Decay of Y(1S)

Measurement of DE and INT in K±→±0g with NA48/2

Search for Lepton Flavour Violation in the decay  → BaBar

Neutrino Physics with SHiP

Andrey Zinchenko – Joint Institute for Nuclear Research

Search for X - - Pentaquark in COMPASS

Presentation transcript:

Viacheslav Duk, INFN Perugia LFV and exotics at NA62 LFV and exotics at NA62 experiment Viacheslav Duk INFN Perugia Viacheslav Duk, INFN Perugia BEACH-2014, 21-26.07.2014 BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 1 1

outline NA62 experiment LFV in charged kaon decays K+→π-μ+μ+ decay Exotic decays Dark photon search Heavy neutrino search Conclusions BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 2 2

NA62 experiment NA62 main goal: measure K+→π+νν decay Relevant for LFV and exotics search NA62 main goal: measure K+→π+νν decay (~100 events with S/B~10) NA62 collaboration: Birmingham, Bratislava, Bristol, Bucharest, CERN, JINR Dubna, Fairfax, Ferrara, Florence, Frascati, Glasgow, IHEP Protvino, INR Moscow, Liverpool, Louvain-la-Neuve, Mainz, Merced, Naples, Padua, Perugia, Pisa, Prague, Rome I, Rome II, San Luis Potosí, Sofia, Stanford, Turin BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 3 3

NA48/2 and NA62 beamline Kaon beam momentum [GeV/c]: NA62-RK (2007): 74.0 ± 1.4 NA62 (2014): 75.0 ± 0.8 NA48/2 data taking: 4 months in 2003 (K±) 4 months in 2004 (K±) NA62-RK data taking: 2007 (mostly K+) BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 4 4

NA48/2 and NA62 RK detector Main detectors: NA48/2 Magnetic spectrometer Scintillator hodoscope Liquid Krypton EM calorimeter (LKr) NA48/2 NA62 RK Magnetic spectrometer: 4 drift chambers (DCH) 4 views per DCH δp/p = 0.48% + 0.009%p [GeV/c] Scintillator hodoscope: Good time resolution (150ps) Fast trigger LKr: High granularity (13248 cells, 2x2 cm2) Quasi-homogenious, 7m3 liquid Kr (27X0) σE/E = 3.2%/E1/2 + 9%/E + 0.42% [GeV] NA48/2 NA62 RK BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 5 5

NA62 experimental setup From SPS to NA62: SPS primary beam: 400 GeV/c, ~5∙1012ppp Secondary hadron beam: 75 GeV/c, ~6% of K+ ~4.8∙1012 kaon decays per year ~10% signal efficiency ~50 signal events per year NA62 setup: Decays-in-flight technique Detect K+ and π+ NA62 basic principles: High intensity + fast timing Kinematic selection Particle ID Photon rejection See talk by F. Bucci for details BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 6 6

LFV in kaon decays NP probes up to mX ~ 100 TeV assuming gX ~ gW , BR~10-12 BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 7 7

K+→π-μ+μ+ decay Experiment status before NA48/2: |ΔL|=2 transition mediated by Majorana neutrino exchange Neutrinoless double-beta decay in the 2nd generation For some models predicted rates are close to experimental limits Experiment status before NA48/2: BNL E865, 5 events in the signal region Upper limit: BR(K+→π-μ+μ+) < 3.0 x 10-9 (90% CL) Phys. Rev. Lett. 85 (2000) 2877 BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 8 8

K+→π-μ+μ+ at NA48/2 NA48/2, 2003-2004 data 52 candidates in the signal region Upper limit: BR(K+→π-μ+μ+) < 1.1 x 10-9 (90% CL) PLB697 (2011) 107-115 BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 9 9

K+→π-μ+μ+ at NA62 Potential sensitivity up to ~10-12 NA62 MC NA48/2 MC Increased kaon flux (x60) Increased p┴ kick (better invariant mass resolution) up to x1000 improvement in the statistics Potential sensitivity up to ~10-12 NA48/2 MC NA62 MC BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 10 10

NA62 sensitivity to LFV decays BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 11 11

Exotic π0 decays NA62 single event sensitivity for π0 decays: 10-11 12 BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 12 12

Dark photons Models with U boson (dark photon): U is a new light vector gauge boson (from MeV to GeV) U mediates interactions with DM (hidden sector) Kinetic mixing between U and γ Decays mainly to e+e- Models with U boson (dark photon) can explain several anomalies: PAMELA e+ excess DAMA/Libra DM signals (g-2)μ anomaly Plot from arXiv: 1406.2980 (with new BaBar data) BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 13 13

Dark photons in π0→e+e-γ NA48/2 ongoing analysis blue: signal MC for ε2=5x10-5 Dark photon search at NA62: ~108 π0→e+e-γ decays/year can be collected Mee resolution ~1 MeV Sensitivity: MU<100 MeV, ε2~10-6 NA62: UL will be improved BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 14 14

Heavy neutrinos νMSM can explain: Matter/antimatter asymmetry νMSM model: 3 right-handed Majorana neutrinos added (N1, N2, N3) N1 is the lightest (~keV) and can be a DM candidate N2, N3: from 100 MeV to few GeV Standard neutrino masses produced via seesaw mechanism (Yukawa coupling ~10-8) νMSM can explain: Matter/antimatter asymmetry Neutrino mixing Dark matter N2/N3 search in charged kaon decays: K+→μ+N, K+→e+N Sensitivity up to ~300-400 MeV BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 15 15

Heavy neutrino search at NA62 Plots from arXiv: 1310.1762 NA62 MC Ongoing analysis: NA62 RK data (2007) Long-lived neutrino K+→μ+N channel Main variable: M2miss = (PK - Pμ)2 NA62: higher statistics, better resolution, better photon veto BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 16 16

More exotics BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 17 17

conclusions NA62 provides a wide spectrum of studies beyond the baseline: LFV and LNV kaon decays Exotic kaon decays Exotic π0 decays These decays allow to probe: Neutrinoless double beta decay in the second generation Dark photons Heavy neutrinos … October 2014: NA62 starts the data taking BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 18 18

THANK YOU! BEACH-2014, 25.07.2014 V.Duk, INFN Perugia 19 19