Publications (33)
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…
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 $…
Measurement of inclusive suppression in Au+Au collisions at = 200 GeV through the dimuon channel at STAR
STAR Collaboration, J. Adam, L. Adamczyk +343
suppression has long been considered a sensitive signature of the formation of the Quark-Gluon Plasma (QGP) in relativistic heavy-ion collisions. In this letter, we present…
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 .…
Practical considerations for measuring global spin alignment of vector mesons in relativistic heavy ion collisions
A. H. Tang, B. Tu, C. S. Zhou
Global spin alignment of vector mesons is a sensitive probe of system vorticity and particle production mechanism in relativistic heavy ion collisions. The measurement of global sp…
-factor of Boronlike Argon
I. Arapoglou, A. Egl, M. Höcker +15
We have measured the ground-state -factor of boronlike argon with a fractional uncertainty of \SI{1.4e-9}{} with a single ion in the newly developed ALP…
Factor of Boron-like Tin
J. Morgner, B. Tu, M. Moretti +10
In the ALPHATRAP experiment, the factor of boron-like has been measured with a parts-per-billion uncertainty. This is the first high-precision m…
Azimuthal anisotropy in Cu+Au collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. R. Adams +345
The azimuthal anisotropic flow of identified and unidentified charged particles has been systematically studied in Cu+Au collisions at = 200 GeV for harmonics $n…
Bulk Properties of the System Formed in Au+Au Collisions at = 14.5 GeV
STAR Collaboration, J. Adam, L. Adamczyk +339
We report systematic measurements of bulk properties of the system created in Au+Au collisions at = 14.5 GeV recorded by the STAR detector at the Relativis…
Collision Energy Dependence of Correlations in Au+Au Collisions at RHIC
STAR Collaboration, J. Adam, L. Adamczyk +333
We present two-particle correlations as a function of event centrality for Au+Au collisions at = 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV at…
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…
Centrality and transverse momentum dependence of -meson production at mid-rapidity in Au+Au collisions at
STAR Collaboration, J. Adam, L. Adamczyk +347
We report a new measurement of -meson production at mid-rapidity (\,\,1) in Au+Au collisions at utilizing the Heavy Flavor Tracke…
First observation of the directed flow of and in Au+Au collisions at = 200~GeV
STAR Collaboration, J. Adam, L. Adamczyk +342
We report the first measurement of rapidity-odd directed flow () for and mesons at mid-rapidity () in Au+Au collisions at $\sqrt{s_{\rm…
Azimuthal harmonics in small and large collision systems at RHIC top energies
STAR Collaboration, J. Adam, L. Adamczyk +334
The first (), second () and third () harmonic coefficients of the azimuthal particle distribution at mid-rapidity, are extracted for charged hadrons an…
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 tran…
Collision energy dependence of second-order off-diagonal and diagonal cumulants of net-charge, net-proton and net-kaon multiplicity distributions in Au+Au collisions
STAR Collaboration, J. Adam, L. Adamczyk +338
We report the first measurements of a complete second-order cumulant matrix of net-charge, net-proton, and net-kaon multiplicity distributions for the first phase of the beam energ…
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…
Stringent test of QED with hydrogenlike tin
J. Morgner, B. Tu, C. M. König +11
Inner-shell electrons naturally sense the electric field close to the nucleus, which can reach extreme values beyond for the innermost electrons. Espe…
Measurement of the mass difference and the binding energy of the hypertriton and antihypertriton
STAR Collaboration, J. Adam, L. Adamczyk +340
According to the CPT theorem, which states that the combined operation of charge conjugation, parity transformation and time reversal must be conserved, particles and their antipar…
Transverse spin-dependent azimuthal correlations of charged pion pairs measured in p+p collisions at = 500 GeV
STAR Collaboration, L. Adamczyk, J. R. Adams +344
The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, an…
Strange hadron production in Au+Au collisions at = 7.7, 11.5, 19.6, 27, and 39 GeV
STAR Collaboration, J. Adam, L. Adamczyk +343
We present STAR measurements of strange hadron (, , , , , , , and ) production at mid-rap…
Dual Fano and Lorentzian line profile poperties of autoionizing states
B. Tu, J. Xiao, K. Yao +13
Ott et al. (Science (340, 716 (2013)) successfully transferred Fano profile into Lorentzian lineshape using an intense infrared laser, after excitation of autoionizing states in he…
Beam energy dependence of (anti-)deuteron production in Au+Au collisions at RHIC
J. Adam, L. Adamczyk, J. R. Adams +338
We report the energy dependence of mid-rapidity (anti-)deuteron production in Au+Au collisions at 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV, measured…
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 distri…
Measurements of Dielectron Production in AuAu Collisions at = 27, 39, and 62.4 GeV from the STAR Experiment
STAR Collaboration, J. Adam, L. Adamczyk +350
We report systematic measurements of dielectron () invariant-mass spectra at mid-rapidity in Au+Au collisions at = 27, 39, and 62.4 GeV tak…
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…
Beam energy dependence of rapidity-even dipolar flow in Au+Au collisions
STAR Collaboration, J. Adam, L. Adamczyk +341
New measurements of directed flow for charged hadrons, characterized by the Fourier coefficient \vone, are presented for transverse momenta , and centrality intervals…
Polarization of () hyperons along the beam direction in Au+Au collisions at = 200 GeV
STAR Collaboration, J. Adam, L. Adamczyk +343
The () hyperon polarization along the beam direction has been measured for the first time in Au+Au collisions at = 200 GeV. The polarization depende…
Global polarization of hyperons in Au+Au collisions at = 200 GeV
J. Adam, L. Adamczyk, J. R. Adams +340
Global polarization of hyperons has been measured to be of the order of a few tenths of a percent in Au+Au collisions at = 200 GeV, with no significant diff…
Erratum: Observation of meson nuclear modifications in Au+Au collisions at = 200 GeV
STAR Collaboration, J. Adam, L. Adamczyk +346
In this erratum we report changes on the spectra and nuclear modification factor () in Au+Au collisions at = 200 GeV by fixing the e…
Correlation Measurements Between Flow Harmonics in Au+Au Collisions at RHIC
STAR Collaboration, J. Adam, L. Adamczyk +341
Flow harmonics () in the Fourier expansion of the azimuthal distribution of particles are widely used to quantify the anisotropy in particle emission in high-energy heavy-ion…
Observation of indirect ionization of W7+ in an electron-beam ion-trap plasma
Q. Lu, J. He, H. Tian +8
In this work, visible and extreme ultraviolet spectra of W7+ are measured using the high-temperature superconducting electron-beam ion trap (EBIT) at the Shanghai EBIT Laboratory u…
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…