NSF PAR Search | NSF Public Access Repository

Note: When clicking on a Digital Object Identifier (DOI) number, you will be taken to an external site maintained by the publisher. Some full text articles may not yet be available without a charge during the embargo (administrative interval).
What is a DOI Number?

Some links on this page may take you to non-federal websites. Their policies may differ from this site.

Measurement of charged hadron multiplicity in Au+Au collisions at $$ \sqrt{{\textrm{s}}_{\textrm{NN}}} $$ = 200 GeV with the sPHENIX detector

https://doi.org/10.1007/JHEP08(2025)075

Abdulhamid, M I; Acharya, U; Adams, E R; Adawi, G; Aidala, C A; Akiba, Y; Alfred, M; Ali, S; Alsayegh, A; Altaf, S; et al (August 2025, Journal of High Energy Physics)

A<sc>bstract</sc> The pseudorapidity distribution of charged hadrons produced in Au+Au collisions at a center-of-mass energy of$$ \sqrt{{\textrm{s}}_{\textrm{NN}}} $$ $\sqrt{s_{NN}}$ = 200 GeV is measured using data collected by the sPHENIX detector. Charged hadron yields are extracted by counting cluster pairs in the inner and outer layers of the Intermediate Silicon Tracker, with corrections applied for detector acceptance, reconstruction efficiency, combinatorial pairs, and contributions from secondary decays. The measured distributions cover |η|<1.1 across various centralities, and the average pseudorapidity density of charged hadrons at mid-rapidity is compared to predictions from Monte Carlo heavy-ion event generators. This result, featuring full azimuthal coverage at mid-rapidity, is consistent with previous experimental measurements at the Relativistic Heavy Ion Collider, thereby supporting the broader sPHENIX physics program.
more » « less
Full Text Available
Measurement of the transverse energy density in $Au + Au$ collisions at $\sqrt{s_{N N}} = 200 GeV$ with the sPHENIX detector

https://doi.org/10.1103/h8d5-swg6

Abdulhamid, M I; Acharya, U; Adams, E R; Adawi, G; Aidala, C A; Akiba, Y; Alfred, M; Ali, S; Alsayegh, A; Altaf, S; et al (August 2025, Physical Review C)

Full Text Available
Nonprompt direct-photon production in $Au + Au$ collisions at $\sqrt{s_{N N}} = 200$ GeV

https://doi.org/10.1103/PhysRevC.109.044912

Abdulameer, N J; Acharya, U; Adare, A; Aidala, C; Ajitanand, N N; Akiba, Y; Alfred, M; Apadula, N; Asano, H; Azmoun, B; et al (April 2024, Physical Review C)

Full Text Available
Charm- and bottom-quark production in Au+Au collisions at $\sqrt{s_{N N}} = 200$ GeV

https://doi.org/10.1103/PhysRevC.109.044907

Abdulameer, N J; Acharya, U; Adare, A; Aidala, C; Ajitanand, N N; Akiba, Y; Alfred, M; Apadula, N; Asano, H; Azmoun, B; et al (April 2024, Physical Review C)

Full Text Available
Identified charged-hadron production in $p + Al$ , ${}^{3}{He} + Au$ , and $Cu + Au$ collisions at $\sqrt{s_{N N}} = 200 GeV$ and in $U + U$ collisions at $\sqrt{s_{N N}} = 193 GeV$

https://doi.org/10.1103/PhysRevC.109.054910

Abdulameer, N J; Acharya, U; Adare, A; Aidala, C; Ajitanand, N N; Akiba, Y; Akimoto, R; Alexander, J; Alfred, M; Andrieux, V; et al (May 2024, Physical Review C)

Full Text Available
Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized $p + p$ , $p + Al$ , and $p + Au$ collisions at $\sqrt{s_{N N}} = 200 GeV$

https://doi.org/10.1103/PhysRevD.108.072016

Abdulameer, N J; Acharya, U; Aidala, C; Akiba, Y; Alfred, M; Andrieux, V; Apadula, N; Asano, H; Azmoun, B; Babintsev, V; et al (October 2023, Physical Review D)

Full Text Available
Search for prompt production of pentaquarks in charm hadron final states

https://doi.org/10.1103/PhysRevD.110.032001

Aaij, R; Abdelmotteleb, A_S W; Abellan_Beteta, C; Abudinén, F; Ackernley, T; Adeva, B; Adinolfi, M; Adlarson, P; Afsharnia, H; Agapopoulou, C; et al (August 2024, Physical Review D)

A search for hidden-charm pentaquark states decaying to a range of $Σ_{c} \bar{D}$ and $Λ_{c}^{+} \bar{D}$ final states, as well as doubly charmed pentaquark states to $Σ_{c} D$ and $Λ_{c}^{+} D$ , is made using samples of proton-proton collision data corresponding to an integrated luminosity of $5.7 {fb}^{- 1}$ recorded by the LHCb detector at $\sqrt{s} = 13 TeV$ . Since no significant signals are found, upper limits are set on the pentaquark yields relative to that of the $Λ_{c}^{+}$ baryon in the $Λ_{c}^{+} \to p K^{-} π^{+}$ decay mode. The known pentaquark states are also investigated, and their signal yields are found to be consistent with zero in all cases. © 2024 CERN, for the LHCb Collaboration2024CERN
more » « less
Full Text Available
Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in $p^{↑} + p$ collisions at $\sqrt{s} = 200 GeV$

https://doi.org/10.1103/PhysRevD.107.052012

Abdulameer, N. J.; Acharya, U.; Aidala, C.; Akiba, Y.; Alfred, M.; Andrieux, V.; Apadula, N.; Asano, H.; Azmoun, B.; Babintsev, V.; et al (March 2023, Physical Review D)

Full Text Available
Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in $p + p,$ $p + Au,$ $d + Au,$ and ${}^{3}{He} + Au$ collisions at $\sqrt{s_{N N}} = 200 GeV$

https://doi.org/10.1103/PhysRevC.107.024907

Abdulameer, N. J.; Acharya, U.; Adare, A.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Alfred, M.; Andrieux, V.; Aoki, K.; Apadula, N.; et al (February 2023, Physical Review C)

Full Text Available
Measurement of $ϕ$ -meson production in $Cu + Au$ collisions at $\sqrt{s_{N N}} = 200$ GeV and $U + U$ collisions at $\sqrt{s_{N N}} = 193$ GeV

https://doi.org/10.1103/PhysRevC.107.014907

Abdulameer, N. J.; Acharya, U.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Akimoto, R.; Alexander, J.; Alfred, M.; Alibordi, M.; Aoki, K.; et al (January 2023, Physical Review C)

Full Text Available

« Prev Next »

Search for: All records