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Showing 2021 · hep-exShow all

121 papers · 2 filters

hep-ex2021★ 10 cited

Observation of Electromagnetic Dalitz Decays to , and

BESIII Collaboration, M. Ablikim, M. N. Achasov +543

Using a sample of about 10 billion events collected at a center-of-mass energy GeV with the BESIII detector, the electromagnetic Dalitz decays $J/ψ\to e^+e^…

hep-ex2021★ 12 cited

Cross section measurements of the and processes at center-of-mass energies from 4.085 to 4.600 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +549

The Born cross sections of the and processes are measured using collision data collected with the BESIII experiment at cen…

hep-ex2021★ 22 cited

Search for the decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +501

We present the first experimental search for the rare charm decay . It is based on an collision sample consisting of pairs of $D…

hep-ex2021★ 30 cited

Measurement of the Cross Section for hadrons at Energies from 2.2324 to 3.6710 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +557

Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron Positron Collider II storage rings, the value of $R\equivσ(e^{+}e^{-}…

hep-ex2021★ 2 cited

Observation of the and decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +988

The first observations of and decays are presented, and their branching…

hep-ex2021★ 9 cited

Search for baryon and lepton number violating decays and

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

Using an electron-positron collision data sample corresponding to an integrated luminosity of 2.93~fb collected with the BESIII detector at a center-of-mass energy of 3.773…

hep-ex2021★ 30 cited

Modelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment

ATLAS Collaboration

This paper presents updated Monte Carlo configurations used to model the production of single electroweak vector bosons (W, Z/) in association with jets in proton-proton col…

hep-ex2021★ 6 cited

Identification of charm jets at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jet…

hep-ex2021

Observation of and decays

R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta +995

The multihadron decays and are observed in data corresponding to an integrated luminosity of 3fb, collecte…

hep-ex2021★ 18 cited

Search for flavour-changing neutral-current interactions of a top quark and a gluon in collisions at TeV with the ATLAS detector

ATLAS Collaboration

A search is presented for the production of a single top quark via left-handed flavour-changing neutral-current (FCNC) interactions of a top quark, a gluon and an up or charm quark…

hep-ex2021★ 121 cited

Number of events at BESIII

BESIII Collaboration

Using inclusive decays of the , a precise determination of the number of events collected with the BESIII detector is performed. For the two data sets taken in 2…

hep-ex2021★ 14 cited

Study of the decays into charmonia and three light hadrons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +996

Using proton-proton collision data, corresponding to an integrated luminosity of collected with the LHCb detector, seven decay modes of the meson into a or…

hep-ex2021★ 3 cited

Observation of decays to and

BESIII Collaboration, M. Ablikim, M. N. Achasov +543

Using a data sample of events collected with the BESIII detector, we report the first observation of the four-lepton-decays and $J…

hep-ex2021★ 27 cited

Measurement of baryon polarization in at GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Using a data sample of events collected with the BESIII detector at BEPCII corresponding to an integrated luminosity of 2.9 fb, we report a measurement of spin…

hep-ex2021★ 7 cited

Searches for rare and decays into four muons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +997

Searches for rare and decays into four muons are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosi…

hep-ex2021★ 12 cited

Constraints on Higgs boson production with large transverse momentum using decays in the ATLAS detector

ATLAS Collaboration

This paper reports constraints on Higgs boson production with transverse momentum above 1 TeV. The analyzed data from proton-proton collisions at a center-of-mass energy of 13 TeV…

hep-ex2021★ 41 cited

Measurement of Higgs boson decay into -quarks in associated production with a top-quark pair in collisions at TeV with the ATLAS detector

ATLAS Collaboration

The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. The Higgs boson decay into a $…

hep-ex2021★ 3 cited

Observation of the electromagnetic Dalitz decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

Based on 3.19 fb of collision data accumulated at the center-of-mass energy 4.178 GeV with the BESIII detector operating at the BEPCII collider, the electromagnetic…

hep-ex2021★ 41 cited

Search for Quantum Gravity Using Astrophysical Neutrino Flavour with IceCube

R. Abbasi, M. Ackermann, J. Adams +378

Along their long propagation from production to detection, neutrino states undergo quantum interference which converts their types, or flavours. High-energy astrophysical neutrinos…

hep-ex2021★ 14 cited

Angular analysis of and decays and search for violation

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

The first full angular analysis and an updated measurement of the decay-rate asymmetry of the and decays are reported. The analys…

hep-ex2021★ 178 cited

Detection of a particle shower at the Glashow resonance with IceCube

IceCube Collaboration, M. G. Aartsen, R. Abbasi +382

The Glashow resonance describes the resonant formation of a boson during the interaction of a high-energy electron antineutrino with an electron, peaking at an antineutrino e…

hep-ex2021★ 32 cited

Study of the decay and observation an isovector partner to

BESIII Collaboration, M. Ablikim, M. N. Achasov +493

Using annihilation data corresponding to a total integrated luminosity of 6.32 collected at center-of-mass energies between 4.178 and 4.226 GeV with the BESI…

hep-ex2021★ 4 cited

Observation of and improved measurement of

M. Ablikim, M. N. Achasov, P. Adlarson +502

By analyzing an annihilation data sample with an integrated luminosity of taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, we…

hep-ex2021★ 8 cited

Study of light scalar mesons through and decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +498

Using 6.32~fb of collision data recorded by the BESIII detector at center-of-mass energies between to GeV, we present the first measurement of the d…