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19922026
Showing 2021 · hep-exShow all

95 papers · 2 filters

hep-ex2021★ 33 cited

First Directional Measurement of sub-MeV Solar Neutrinos with Borexino

M. Agostini, K. Altenmüller, S. Appel +94

We report the measurement of sub-MeV solar neutrinos through the use of their associated Cherenkov radiation, performed with the Borexino detector at the Laboratori Nazionali del G…

hep-ex2021★ 113 cited

Emission of Single and Few Electrons in XENON1T and Limits on Light Dark Matter

E. Aprile, K. Abe, F. Agostini +152

Delayed single- and few-electron emissions plague dual-phase time projection chambers, limiting their potential to search for light-mass dark matter. This paper examines the origin…

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★ 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★ 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

Search for Low-Energy Signals from Fast Radio Bursts with the Borexino Detector

S. Appel, Z. Bagdasarian, D. Basilico +77

The search for neutrino events in correlation with several of the most intense fast radio bursts (FRBs) has been performed using the Borexino data. We have searched for signals wit…

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★ 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★ 21 cited

Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb of collision data at TeV

ATLAS Collaboration

Searches are conducted for new spin-0 or spin-1 bosons using events where a Higgs boson with mass GeV decays into four leptons ( ,). This decay is presumed to o…

hep-ex2021★ 94 cited

Tests of lepton universality using and decays

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

Tests of lepton universality in and decays where is either an electron or a muon are presented. The differential b…

hep-ex2021★ 18 cited

Measurement of the energy asymmetry in production at 13 TeV with the ATLAS experiment and interpretation in the SMEFT framework

ATLAS Collaboration

A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using 139 of data collected by the ATLAS detector at the Large Had…

hep-ex2021★ 32 cited

Observation of two new excited states decaying to

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

Two narrow resonant states are observed in the mass spectrum using a data sample of proton-proton collisions at a center-of-mass energy of 13, collect…

hep-ex2021★ 52 cited

Simultaneous determination of CKM angle and charm mixing parameters

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

A combination of measurements sensitive to the violation angle of the Cabibbo-Kobayashi-Maskawa unitarity triangle and to the charm mixing parameters that describe oscilla…

hep-ex2021★ 38 cited

Search for Higgs boson decays into a pair of pseudoscalar particles in the final state with the ATLAS detector in collisions at TeV

ATLAS Collaboration

This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, , where one -boson decays into a $b…

hep-ex2021★ 21 cited

Constraints on Higgs boson properties using production in 36.1 fb of =13 TeV collisions with the ATLAS detector

ATLAS Collaboration

This article presents the results of two studies of Higgs boson properties using the final state, based on a dataset corresponding to 36.1/fb of $\sqrt{s…

hep-ex2021★ 29 cited

Study of bosons produced in association with charm in the forward region

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

Events containing a boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated lu…

hep-ex2021★ 23 cited

Measurement of production in proton-proton collisions at and TeV

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

The production cross-section of the state relative to the meson is measured using proton-proton collision data collected with the LHCb experiment at centre-o…

hep-ex2021★ 25 cited

Search for the doubly charmed baryon in the final state

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +992

A search for the doubly charmed baryon is performed in the invariant-mass spectrum, where the baryon is reconstructed in t…

hep-ex2021★ 23 cited

Correlated and Integrated Directionality for sub-MeV solar neutrinos in Borexino

M. Agostini, K. Altenmüller, S. Appel +94

Liquid scintillator detectors play a central role in the detection of neutrinos from various sources. In particular, it is the only technique used so far for the precision spectros…