Search Results - "G. Karyan"
-
1
Investigations of Characteristics for Arich Detector with D±-Mesons Decay at Belle II Experiment Using the Monte Carlo Method
Published in Journal of contemporary physics (01-03-2023)“…An estimate is given of the simulation with the Monte Carlo (MC) method using the signal to background ratios in invariant mass spectra of pion-kaon system for…”
Get full text
Journal Article -
2
Measurement of the Charge-Averaged Elastic Lepton-Proton Scattering Cross Section by the OLYMPUS Experiment
Published in Physical review letters (23-04-2021)“…We report the first measurement of the average of the electron-proton and positron-proton elastic scattering cross sections. This lepton charge-averaged cross…”
Get full text
Journal Article -
3
Slow control of the Belle II Aerogel Ring Imaging detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2023)“…Since 2018, an Proximity Focusing Aerogel Ring Imaging Detector (ARICH) efficiently separates hadrons in the forward end-cap of the Belle II spectrometer…”
Get full text
Journal Article -
4
Recent developments in data reconstruction for aerogel RICH at Belle II
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2023)“…In the forward end-cap of the Belle II spectrometer, particle identification is provided by a proximity focusing RICH detector with an aerogel radiator…”
Get full text
Journal Article -
5
Beam-helicity asymmetries for single-hadron production in semi-inclusive deep-inelastic scattering from unpolarized hydrogen and deuterium targets
Published in Physics letters. B (10-10-2019)“…A measurement of beam-helicity asymmetries for single-hadron production in deep-inelastic scattering is presented. Data from the scattering of 27.6 GeV…”
Get full text
Journal Article -
6
“Professor2” Package for Tuning the Parameters of Fragmentation Process in e+e– Annihilation
Published in Journal of contemporary physics (01-04-2021)“…The verification scheme in the package “Professor2” for setting parameters of the most used physics generator PYTHIA8.2 for simulating the processes in high…”
Get full text
Journal Article -
7
The OLYMPUS experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2014)“…The OLYMPUS experiment was designed to measure the ratio between the positron–proton and electron–proton elastic scattering cross-sections, with the goal of…”
Get full text
Journal Article -
8
Performance evaluation of the aerogel RICH counter for the Belle II spectrometer using early beam collision data
Published in Progress of theoretical and experimental physics (01-09-2020)“…Abstract The Aerogel Ring Imaging Cherenkov (ARICH) counter serves as a particle identification device in the forward end-cap region of the Belle II…”
Get full text
Journal Article -
9
Charged hadron multiplicities at the HERMES experiment
Published in Physics of particles and nuclei (01-01-2014)“…The HERMES collaboration has measured charge-separated pion and kaon multiplicities in semi-inclusive deep inelastic scattering using a 27.6 GeV electron or…”
Get full text
Journal Article -
10
First Measurements of Absolute Branching Fractions of the Ξc0 Baryon at Belle
Published in Physical review letters (01-03-2019)“…We present the first measurements of absolute branching fractions of Ξc0 decays into Ξ−π+, ΛK−π+, and pK−K−π+ final states. The measurements are made using a…”
Get full text
Journal Article -
11
Measurement of the energy dependence of the e+e- → $ B\overline{B} $, $ B{\overline{B}}^{\ast } $ and $ {B}^{\ast }{\overline{B}}^{\ast } $ exclusive cross sections
Published in The journal of high energy physics (23-06-2021)“…We report the first measurement of the exclusive cross sections e+e- → $B\overline{B}$, e+e- → $B{\overline{B}}^{\ast }$, and e+e- → ${B}^{\ast…”
Get full text
Journal Article -
12
First search for the $\eta_{c2}(1D)$ in $B$ decays at Belle
Published in The journal of high energy physics (08-05-2020)“…The first dedicated search for the ηc2(1D) is carried out using the decaysB+ → ηc2(1D)K+, B0 → ηc2(1D)K0S, B0 → ηc2(1D)π−K+, and B+ → ηc2(1D)π+K0Swith ηc2(1D)…”
Get full text
Journal Article -
13
Measurement and tricubic interpolation of the magnetic field for the OLYMPUS experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2016)“…The OLYMPUS experiment used a 0.3T toroidal magnetic spectrometer to measure the momenta of outgoing charged particles. In order to accurately determine…”
Get full text
Journal Article -
14
Observation of the Radiative Decays of ϒ ( 1 S ) to χ c 1
Published in Physical review letters (26-03-2020)“…We report the first observation of the radiative decay of the Υ ( 1S ) into a charmonium state. The significance of the observed signal of Υ ( 1S ) → γχc1 is…”
Get full text
Journal Article -
15
Spin density matrix elements in exclusive ω electroproduction on 1H and 2H targets at 27.5 GeV beam energy
Published in The European physical journal. C, Particles and fields (01-11-2014)“…Exclusive electroproduction of ω mesons on unpolarized hydrogen and deuterium targets is studied in the kinematic region of Q 2 > 1.0 GeV 2 , 3.0 GeV < W <…”
Get full text
Journal Article -
16
First measurement of the CKM angle ϕ3 with B±→ D(KS0π+π−π0) K± decays
Published in The journal of high energy physics (16-10-2019)“…A bstract We present the first model-independent measurement of the CKM unitarity triangle angle ϕ 3 using B ± → D ( K S 0 π + π − π 0 ) K ± decays, where D…”
Get full text
Journal Article -
17
Transverse momentum broadening of hadrons produced in semi-inclusive deep-inelastic scattering on nuclei
Published in Physics letters. B (08-02-2010)“…The first detailed measurement of the dependence on target nuclear mass of the average squared transverse momentum 〈pt2〉 of π+, π−, and K+ mesons from…”
Get full text
Journal Article -
18
Observation of $Ξ_c(2930)^0$ and updated measurement of $B^-→K^-Λ^+_c\bar{Λ}^-_c$ at Belle
Published in The European physical journal. C, Particles and fields (23-03-2018)“…Here, we report the first observation of the $Ξ_c(2930)^0$ charmed-strange baryon with a significance greater than 5σ. The $Ξ_c(2930)^0$ is found in its decay…”
Get full text
Journal Article -
19
Observation of $$\Xi _{c}(2930)^0$$ Ξ c ( 2930 ) 0 and updated measurement of $$B^{-} \rightarrow K^{-} \Lambda _{c}^{+} \bar{\Lambda }_{c}^{-}$$ B - → K - Λ c + Λ ¯ c - at Belle: Belle Collaboration
Published in The European physical journal. C, Particles and fields (01-03-2018)Get full text
Journal Article -
20
Observation of $$\Xi _{c}(2930)^0$$ Ξc(2930)0 and updated measurement of $$B^{-} \rightarrow K^{-} \Lambda _{c}^{+} \bar{\Lambda }_{c}^{-}$$ B-→K-Λc+Λ¯c- at Belle
Published in The European physical journal. C, Particles and fields (01-03-2018)“…Abstract We report the first observation of the $$\Xi _{c}(2930)^0$$ Ξc(2930)0 charmed-strange baryon with a significance greater than 5$$\sigma $$ σ . The…”
Get full text
Journal Article