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19922026
Showing 2020 · hep-exShow all

82 papers · 2 filters

hep-ex2020★ 33 cited

Measurement of transverse single-spin asymmetries of and electromagnetic jets at forward rapidity in 200 and 500 GeV transversely polarized proton-proton collisions

STAR Collaboration, J. Adam, L. Adamczyk +359

The STAR Collaboration reports measurements of the transverse single-spin asymmetry (TSSA) of inclusive at center-of-mass energies () of 200 GeV and 500 GeV in trans…

hep-ex2020★ 3 cited

Measurement of the Resonant and Non-Resonant Branching Ratios in

J. T. McNeil, J. Yelton, J. Bennett +192

Using the entire data sample of integrated luminosity collected with the Belle detector at the KEKB asymmetric-energy collider, we present an amplitude…

hep-ex2020★ 48 cited

Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in collisions at = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. Signal region…

hep-ex2020★ 3 cited

Search for the dark photon in , , , and decays at Belle

S. -H. Park, Y. -J. Kwon, I. Adachi +216

We present a search for the dark photon in the decays, where subsequently decays to , , and . T…

hep-ex2020★ 362 cited

Muon reconstruction and identification efficiency in ATLAS using the full Run 2 collision data set at TeV

ATLAS Collaboration

This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb of collision data at TeV collecte…

hep-ex2020★ 42 cited

Bound on 3+1 active-sterile neutrino mixing from the first four-week science run of KATRIN

M. Aker, K. Altenmueller, A. Beglarian +126

We report on the light sterile neutrino search from the first four-week science run of the KATRIN experiment in~2019. Beta-decay electrons from a high-purity gaseous molecular trit…

hep-ex2020★ 6 cited

Measurement of time-dependent CP violation parameters in decays at Belle

Belle Collaboration, K. H. Kang, H. Park +202

We measure the time-dependent violation parameters in decays using $B {\mkern 1.5mu\overline{\mkern-1.5mu B \mkern-…

hep-ex2020★ 11 cited

Search for trilepton resonances from chargino and neutralino pair production in = 13 TeV collisions with the ATLAS detector

ATLAS Collaboration

A search is performed for the electroweak pair production of charginos and associated production of a chargino and neutralino, each of which decays through an -parity-violating…

hep-ex2020★ 27 cited

Search for dark matter produced in association with a single top quark in TeV collisions with the ATLAS detector

ATLAS Collaboration

This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, , which decays into the dark-matter p…

hep-ex2020★ 47 cited

Measurements of Higgs Bosons Decaying to Bottom Quarks from Vector Boson Fusion Production with the ATLAS Experiment at 13 TeV

ATLAS Collaboration

The paper presents a measurement of the Standard Model Higgs Boson decaying to -quark pairs in the vector boson fusion (VBF) production mode. A sample corresponding to 126 fb$^{…

hep-ex2020★ 44 cited

Search for displaced leptons in TeV collisions with the ATLAS detector

ATLAS Collaboration

A search for charged leptons with large impact parameters using 139 fb of TeV collision data from the ATLAS detector at the LHC is presented, addressing…

hep-ex2020★ 53 cited

Search for a heavy Higgs boson decaying into a boson and another heavy Higgs boson in the and final states in collisions at = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for a heavy neutral Higgs boson, , decaying into a boson and another heavy Higgs boson, , is performed using a data sample corresponding to an integrated luminos…

hep-ex2020★ 43 cited

Search for dark matter in association with an energetic photon in pp collisions at = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for dark matter is conducted in final states containing a photon and missing transverse momentum in protonproton collisions at = 13 TeV. The data, collected…

hep-ex2020★ 21 cited

Study of Electromagnetic Decays of Orbitally Excited Baryons

Belle Collaboration, J. Yelton, I. Adachi +206

Using 980 of data collected with the Belle detector operating at the KEKB asymmetric-energy e^+e^- collider, we report a study of the electromagnetic decays of excited {cha…

hep-ex2020★ 13 cited

Search for lepton-number- and baryon-number-violating tau decays at Belle

D. Sahoo, G. B. Mohanty, K. Trabelsi +222

We search for lepton-number- and baryon-number-violating decays , , , , $\overline{p}μ^…

hep-ex2020★ 113 cited

Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb of =13 TeV collision data with the ATLAS detector

ATLAS Collaboration

A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is p…

hep-ex2020★ 19 cited

Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at =13 TeV with the ATLAS detector

ATLAS Collaboration

A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. With a focus on the vector-boson fusion process and the dominan…

hep-ex2020★ 14 cited

Search for dark matter produced in association with a dark Higgs boson decaying into or in fully hadronic final states from TeV collisions recorded with the ATLAS detector

ATLAS Collaboration

Several extensions of the Standard Model predict the production of dark matter particles at the LHC. An uncharted signature of dark matter particles produced in association with $V…

hep-ex2020★ 29 cited

Search for charged-lepton-flavour violation in -boson decays with the ATLAS detector

ATLAS Collaboration

Leptons with essentially the same properties apart from their mass are grouped into three families (or flavours). The number of leptons of each flavour is conserved in interactions…

hep-ex2020★ 39 cited

Search for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton-proton collisions at = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for pair production of scalar leptoquarks, each decaying into either an electron or a muon and a top quark, is presented. This is the first leptoquark search using ATLAS d…

hep-ex2020★ 13 cited

Search for phenomena beyond the Standard Model in events with large -jet multiplicity using the ATLAS detector at the LHC

ATLAS Collaboration

A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation…

hep-ex2020★ 89 cited

Search for heavy resonances decaying into a pair of bosons in the and final states using 139 fb of proton-proton collisions at TeV with the ATLAS detector

ATLAS Collaboration

A search for heavy resonances decaying into a pair of bosons leading to and final states, where stands for either an el…

hep-ex2020★ 56 cited

Observation and measurement of forward proton scattering in association with lepton pairs produced via the photon fusion mechanism at ATLAS

ATLAS Collaboration

The observation of forward proton scattering in association with lepton pairs ( or ) produced via photon fusion is presented. The scattered proton is detected b…

hep-ex2020★ 53 cited

Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton-proton collisions

ATLAS Collaboration

Jet substructure has provided new opportunities for searches and measurements at the LHC, and has seen continuous development since the optimization of the large-radius jet definit…