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Measurement of the Positive Muon Anomalous Magnetic Moment to 127 ppb
The Muon $g-2$ Collaboration, :, D. P. Aguillard +193
A new measurement of the magnetic anomaly of the positive muon is presented based on data taken from 2020 to 2023 by the Muon Experiment at Fermi National Accelerator L…
Detailed Report on the Measurement of the Positive Muon Anomalous Magnetic Moment to 0.20 ppm
D. P. Aguillard, T. Albahri, D. Allspach +190
We present details on a new measurement of the muon magnetic anomaly, . The result is based on positive muon data taken at Fermilab's Muon Campus during the 2019 an…
Improved eV-scale Sterile-Neutrino Constraints from the Second KATRIN Measurement Campaign
M. Aker, D. Batzler, A. Beglarian +128
We present the results of the light sterile neutrino search from the second KATRIN measurement campaign in 2019. Approaching nominal activity, tritium -electr…
Measurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm
B. Abi, T. Albahri, S. Al-Kilani +234
We present the first results of the Fermilab Muon g-2 Experiment for the positive muon magnetic anomaly . The anomaly is determined from the precision measurem…
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…
Results on Total and Elastic Cross Sections in Proton-Proton Collisions at = 200 GeV Obtained with the STAR Detector at RHIC
W. Guryn, B. Pawlik
We report the first results on differential, total and elastic cross sections in proton-proton collisions at the Relativistic Heavy Ion Collider (RHIC) at GeV. The d…
Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at GeV with the STAR detector at RHIC
STAR Collaboration, J. Adam, L. Adamczyk +352
We report on the measurement of the Central Exclusive Production of charged particle pairs () with the STAR detector at RHIC in proton-proton collisions a…
Results on Total and Elastic Cross Sections in Proton-Proton Collisions at GeV
STAR Collaboration, J. Adam, L. Adamczyk +352
We report results on the total and elastic cross sections in proton-proton collisions at GeV obtained with the Roman Pot setup of the STAR experiment at the Relativi…
Measurement of Groomed Jet Substructure Observables in \pp Collisions at GeV with STAR
STAR Collaboration, J. Adam, L. Adamczyk +348
In this letter, measurements of the shared momentum fraction () and the groomed jet radius (), as defined in the SoftDrop algorihm, are reported in \pp coll…
Longitudinal double-spin asymmetry for inclusive jet and dijet production in collisions at GeV
STAR Collaboration, J. Adam, L. Adamczyk +343
We report the first measurement of the inclusive jet and the dijet longitudinal double-spin asymmetries, , at midrapidity in polarized collisions at a center-of-mass e…
Measurements of the transverse-momentum-dependent cross sections of production at mid-rapidity in proton+proton collisions at 510 and 500 GeV with the STAR detector
STAR Collaboration, J. Adam, L. Adamczyk +343
We present measurements of the differential cross sections of inclusive meson production as a function of transverse momentum () using the and $e^{+…
Observation of excess J/ yield at very low transverse momenta in Au+Au collisions at 200 GeV and U+U collisions at 193 GeV
STAR Collaboration
We report on the first measurements of J/ production at very low transverse momentum ( 0.2 GeV/c) in hadronic Au+Au collisions at 200 GeV and U+U…
Longitudinal Double-Spin Asymmetries for Dijet Production at Intermediate Pseudorapidity in Polarized Collisions at = 200 GeV
Ting Lin
One of the primary goals of the RHIC spin program is to determine the spin-dependent gluon distribution, , of the proton. The measurements of the 2009 longitudinal double-he…
Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at = 510 GeV
STAR Collaboration, J. Adam, L. Adamczyk +345
We report new STAR measurements of the single-spin asymmetries for and bosons produced in polarized proton--proton collisions at = 510 GeV as a functio…
Transverse spin transfer to and hyperons in polarized proton-proton collisions at
STAR Collaboration, J. Adam, L. Adamczyk +345
The transverse spin transfer from polarized protons to and hyperons is expected to provide sensitivity to the transversity distribution of the nucleon and to the transv…
Improved measurement of the longitudinal spin transfer to and hyperons in polarized proton-proton collisions at = 200 GeV
J. Adam, L. Adamczyk, J. R. Adams +346
The longitudinal spin transfer to and hyperons produced in high-energy polarized proton--proton collisions is expected to be sensitive to the helicity distribu…
Longitudinal Double-Spin Asymmetries for s in the Forward Direction for 510 GeV Polarized Collisions
J. Adam, L. Adamczyk, J. R. Adams +340
The STAR Collaboration reports measurements of the longitudinal double-spin asymmetry, , for neutral pions produced at forward directions in polarized proton-proton collisi…
Low- pair production in AuAu collisions at = 200 GeV and UU collisions at = 193 GeV at STAR
J. Adam, L. Adamczyk, J. R. Adams +341
We report first measurements of pair production in the mass region 0.4 2.6 GeV/ at low transverse momentum ( 0.15 GeV/) in non-central Au…
Longitudinal Double-Spin Asymmetries for Dijet Production at Intermediate Pseudorapidity in Polarized Collisions at = 200 GeV
J. Adam, L. Adamczyk, J. R. Adams +340
We present the first measurements of the longitudinal double-spin asymmetry for dijets with at least one jet reconstructed within the pseudorapidity range .…
production cross section and its dependence on charged-particle multiplicity in collisions at = 200 GeV
STAR Collaboration, J. Adam, L. Adamczyk +341
We present a measurement of inclusive production at mid-rapidity () in collisions at a center-of-mass energy of = 200 GeV with the STAR experiment at…
Beam-Energy Dependence of Directed Flow of , , , and in Au+Au Collisions
STAR Collaboration, L. Adamczyk, J. R. Adams +342
Rapidity-odd directed flow measurements at midrapidity are presented for , , , and at 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4 and 200 GeV…
Azimuthal transverse single-spin asymmetries of inclusive jets and charged pions within jets from polarized-proton collisions at GeV
STAR Collaboration, L. Adamczyk, J. R. Adams +342
We report the first measurements of transverse single-spin asymmetries for inclusive jet and jet + production at midrapidity from transversely polarized proton-proton col…
Measurement of the cross section and longitudinal double-spin asymmetry for di-jet production in polarized collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +341
We report the first measurement of the longitudinal double-spin asymmetry for mid-rapidity di-jet production in polarized collisions at a center-of-mass energy of $\s…
Probing Gluon Helicity with Dijets from = 510 GeV Polarized Proton Collisions at STAR
Suvarna Ramachandran
The production of jets in polarized proton collisions at STAR is dominated by quark-gluon and gluon-gluon scattering processes. The dijet longitudinal double-spin asymmetry $(A_{LL…