[PDF] Top 20 Background in the search for dark photon in e+e− annihilation
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Background in the search for dark photon in e+e− annihilation
... positron-on-target annihilation experiments is to exploit also data driven methods for background esti- mation, which may include acquiring data with electron beam, keeping the conditions ...multiphoton ... See full document
6
Status of the experiment for the search of a dark photon at VEPP–3
... to search for a new gauge boson, A , in e + e − annihilation by means of a positron beam incident on a gas hydrogen target internal to the bypass at the VEPP-3 storage ring is ...The ... See full document
7
Dark Photon Studies at BABAR
... the background in the two energy regions, and the search of dark photon was performed independently in each of ...quality photon well contained in the detector acceptance, without extra ... See full document
6
Search for the dark photon in π0 decays
... of background at low mass, while at the upper limit of the mass range the signal acceptance drops to ...the dark photon signal mass window around the assumed mass are determined by the resolution δ m ... See full document
8
Search for the dark photon in π0 decays by the NA48/2 experiment at CERN
... certainty on the number of expected background events. The latter comes mainly from the statistical errors on the measured trigger efficiencies in the DP signal mass win- dow, with a smaller contribution due to the ... See full document
5
Review of dark photon searches
... for Dark Photon ...the Dark Photon may be emitted in the initial or final state, see ...an e + e − pair allows for an identification by looking for a bump in the e + ... See full document
6
Light dark Higgs boson in minimal sub-GeV dark matter scenarios
... light dark Higgs boson is the fact that its lifetime is typically of order of one second or ...the dark Higgs boson is lighter than the dark photon and of twice the dark matter mass, ... See full document
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Status and prospects for the PADME experiment at LNF
... to search for dark photons produced in the annihilation process of the positron beam of the DAΦNE LINAC with a thin carbon target and then identified using the missing mass technique ...recoil ... See full document
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Review on Dark Photon
... energy dark sector, remained yet undiscovered because of the very small coupling, is predicted by many extensions of the Standard Model (SM) ...viable dark matter candidate and as- sume that WIMPs are ... See full document
6
A New Theoretical Technique for the Measurement of High Frequency Relic Gravitational Waves
... The background noise discussed in [35,39] did not consider the scattering or diffraction of the strong ...to background photon flux (BPF) that produces dark-background shot noise such ... See full document
21
Search for the process e+e−→D*(2007) with the CMD-3 detector
... detection e ffi ciency, Monte Carlo (MC) simulation of the detector based on the GEANT4 [5] package has been ...includes photon jet radi- ation by initial electrons calculated according to ...[6]. ... See full document
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The Impact of Annihilation of Magnetic Monopole on Inflation, Dark Energy and Dark Matter
... the annihilation of abundant magnetic monopoles is just required in driving the inflation, so that the three long-term problems are automatically ...failed annihilation of monopoles is responsible for the ... See full document
21
Atom Interferometry for Dark Contents of the Vacuum Searches
... Figure 1. Rabi oscillations for co-propagating Raman beams. The plots on the left-hand side show the fractional population of the hyperfine ground states as function of pulse length for different detunings. The plots on ... See full document
6
Search for neutron dark decay: n → χ + e+e−
... candidate dark matter decay events. Candidate dark matter decays to e + e − will arrive at the two detectors with a range of time differences due to differences in pitch angle, relative ... See full document
5
Some topics in theoretical high-energy physics
... At lowest order in QCD perturbation theory, e+e- annihilation proceeds - the final q,q- 'fragment' into two jets of hadrons with through e+e +y *+qq; At Oa , one of the outgoing quarks m[r] ... See full document
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Review of Recent Calculations of the Hadronic Vacuum Polarisation Contribution
... Abstract. Recent calculations of the hadronic vacuum polarisation contribution are reviewed. The focus is put on the leading-order contribution to the muon magnetic anomaly involving e + e − ... See full document
8
Studies on General Kinematic Effects of Hadrons in Electron Positron Annihilation at High Energy
... e.g., e e annihilation, hadron (nuclear) - hadron (nuclear) ...reactions, e e annihilation at high energies, especially at the CEPC in the future, is the best one for ... See full document
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Resummed Results for Hadron Collider Observables
... in e + e − annihilation, we turn our attention to the resummation of hadronic event shapes at NNLL ...in e + e − annihilation and a beam ...in e + e − plus the beam ... See full document
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The light photon, dark matter and the whirling of dark matter, the theory of the birth of universe
... particles Dark Energy mass particles have, original gravitational force in Universe, either existing or ...of Dark Energy forming Dark ...the dark energy particles/Dark matter, have ... See full document
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Measurements of the Collins asymmetries for kaons and pions in e+e− annihilations at BABAR
... The analysis strategy for the extraction of the Collins effect is based on the simultaneous measure- ments of hadron pair yields (ππ, πK and KK in whichever charge combination) and their fit through ( b + a cos φ ) ... See full document
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