K. Nagashima

activity

20152020

most citedMeasurements of multiparticle correlations in

d

+

Au collisions at 200, 62.4, 39, and 19.6 GeV and

p

+

Au collisions at 200 GeV and implications for collective behavior

72 citations · 457 across the 19 of their papers we have counts for

collaborators

19 papers

hep-ex2020★ 5 cited

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

In 2015, the PHENIX collaboration has measured very forward ( $η > 6.8$ ) single-spin asymmetries of inclusive neutrons in transversely polarized proton-proton and proton-nucleus colli…

hep-ex2020★ 14 cited

Transverse single-spin asymmetries of midrapidity $π^{0}$ and $η$ mesons in polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

We present a measurement of the transverse single-spin asymmetry for $π^{0}$ and $η$ mesons in $p^{↑}$ $+$ $p$ collisions in the pseudorapidity range $∣ η ∣ < 0.35$ and at a center-of…

hep-ex2019★ 17 cited

Nuclear dependence of the transverse single-spin asymmetry in the production of charged hadrons at forward rapidity in polarized $p + p$ , $p +$ Al, and $p +$ Au collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +300

We report on the nuclear dependence of transverse single-spin asymmetries (TSSAs) in the production of positively-charged hadrons in polarized $p^{↑} + p$ , $p^{↑} +$ Al a…

hep-ex2019★ 8 cited

Measurement of charm and bottom production from semileptonic hadron decays in $p$ $+$ $p$ collisions at $s_{N N} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +299

Measurements of the differential production of electrons from open-heavy-flavor hadrons with charm- and bottom-quark content in $p$ $+$ $p$ collisions at $s = 200$ GeV are prese…

hep-ex2018★ 4 cited

Correlations of $μμ$ , $e μ$ , and $ee$ pairs in $p$ + $p$ collisions at $s = 200$ GeV and implications for $c c ˉ$ and $b b ˉ$ production mechanisms

C. Aidala, Y. Akiba, M. Alfred +290

PHENIX has measured the azimuthal correlations of muon pairs from charm and bottom semi-leptonic decays in $p$ + $p$ collisions at $s = 200$ GeV, using a novel analysis techniqu…

hep-ex2018★ 8 cited

Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in $p + p$ collisions at $s = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +291

Dihadron and isolated direct photon-hadron angular correlations are measured in $p$ $+$ $p$ collisions at $s = 200$ GeV. The correlations are sensitive to nonperturbative initia…

hep-ex2018★ 47 cited

Measurements of $μμ$ pairs from open heavy flavor and Drell-Yan in $p + p$ collisions at $s = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +290

PHENIX reports differential cross sections of $μμ$ pairs from semileptonic heavy-flavor decays and the Drell-Yan production mechanism measured in $p$ $+$ $p$ collisions at $\sqrt{s}=…

hep-ex2018★ 21 cited

Single-spin asymmetry of $J / ψ$ production in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions with transversely polarized proton beams at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +289

We report the transverse single-spin asymmetries of $J / ψ$ production at forward and backward rapidity, $1.2 < ∣ y ∣ < 2.2$ , as a function of $J / ψ$ transverse momentum ( $p_{T}$ ) and Feynman…

nucl-ex2018★ 15 cited

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +319

We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity $1 < ∣ η ∣ < 3$ in Au $+$ Au collisions at $s_{_{N N}} = 200$ …

hep-ex2017★ 9 cited

Measurement of emission angle anisotropy via long-range angular correlations with high $p_{T}$ hadrons in $d$ $+$ Au and $p$ $+$ $p$ collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +470

We present measurements of two-particle angular correlations between high-transverse-momentum ( $2 < p_{T} < 11$ GeV/ $c$ ) $π^{0}$ observed at midrapidity ( $∣ η ∣ < 0.35$ ) and particles produced…

nucl-ex2017★ 72 cited

Measurements of multiparticle correlations in $d$ $+$ Au collisions at 200, 62.4, 39, and 19.6 GeV and $p$ $+$ Au collisions at 200 GeV and implications for collective behavior

C. Aidala, Y. Akiba, M. Alfred +314

Recently, multiparticle-correlation measurements of relativistic $p / d /^{3}$ He $+$ Au, $p$ $+$ Pb, and even $p$ $+$ $p$ collisions have shown surprising collective signatures. Here we prese…

hep-ex2017★ 12 cited

Nuclear dependence of the transverse-single-spin asymmetry for forward neutron production in polarized $p$ $+$ $A$ collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +312

During 2015 the Relativistic Heavy Ion Collider (RHIC) provided collisions of transversely polarized protons with Au and Al nuclei for the first time, enabling the exploration of t…

hep-ex2017★ 11 cited

Measurements of $B \to J / ψ$ at forward rapidity in $p$ $+$ $p$ collisions at $s = 510$ GeV

C. Aidala, N. N. Ajitanand, Y. Akiba +427

We report the first measurement of the fraction of $J / ψ$ mesons coming from $B$ -meson decay ( $F_{B \to J / ψ}$ ) in $p$ + $p$ collisions at $s =$ 510 GeV. The measurement…

hep-ex2016★ 10 cited

Measurements of double-helicity asymmetries in inclusive $J / ψ$ production in longitudinally polarized $p + p$ collisions at $s = 510$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +332

We report the double helicity asymmetry, $A_{LL}^{J / ψ}$ , in inclusive $J / ψ$ production at forward rapidity as a function of transverse momentum $p_{T}$ and rapidity $∣ y ∣$ . The data a…

nucl-ex2015★ 20 cited

Scaling properties of fractional momentum loss of high-pT hadrons in nucleus-nucleus collisions at $s_{_{N N}}$ from 62.4 GeV to 2.76 TeV

A. Adare, S. Afanasiev, C. Aidala +627

Measurements of the fractional momentum loss ( $S_{loss} \equiv δ p_{T} / p_{T}$ ) of high-transverse-momentum-identified hadrons in heavy ion collisions are presented. Using $π^{0}$ in Au$…

nucl-ex2015★ 48 cited

Single electron yields from semileptonic charm and bottom hadron decays in Au $+$ Au collisions at $s_{N N} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +429

The PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open heavy-flavor production in minimum bias Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV via the y…

hep-ex2015★ 40 cited

Measurement of parity-violating spin asymmetries in W $^{\pm}$ production at midrapidity in longitudinally polarized $p$ $+$ $p$ collisions

A. Adare, C. Aidala, N. N. Ajitanand +447

We present measurements from the PHENIX experiment of large parity-violating single spin asymmetries of high transverse momentum electrons and positrons from $W^{\pm} / Z$ decays, prod…

nucl-ex2015★ 32 cited

Systematic study of charged-pion and kaon femtoscopy in Au $+$ Au collisions at $s_{_{N N}}$ =200 GeV

A. Adare, S. Afanasiev, C. Aidala +496

We present a systematic study of charged pion and kaon interferometry in Au $+$ Au collisions at $s_{_{N N}}$ =200 GeV. The kaon mean source radii are found to be larger than pi…

nucl-ex2015★ 64 cited

An Upgrade Proposal from the PHENIX Collaboration

A. Adare, S. Afanasiev, C. Aidala +473

In this document the PHENIX collaboration proposes a major upgrade to the PHENIX detector at the Relativistic Heavy Ion Collider. This upgrade, sPHENIX, enables an extremely rich j…

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized p+p collisions at s​=200 GeV

Transverse single-spin asymmetries of midrapidity π0 and η mesons in polarized p+p collisions at s​=200 GeV

Nuclear dependence of the transverse single-spin asymmetry in the production of charged hadrons at forward rapidity in polarized p+p, p+Al, and p+Au collisions at sNN​​​=200 GeV

Measurement of charm and bottom production from semileptonic hadron decays in p+p collisions at sNN​​=200 GeV

Correlations of μμ, eμ, and ee pairs in p+p collisions at s​=200 GeV and implications for ccˉ and bbˉ production mechanisms

Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p+p collisions at s​=200 GeV

Measurements of μμ pairs from open heavy flavor and Drell-Yan in p+p collisions at s​=200 GeV

Single-spin asymmetry of J/ψ production in p+p, p+Al, and p+Au collisions with transversely polarized proton beams at sNN​​​=200 GeV

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au+Au collisions at sNN​​​=200 GeV

Measurement of emission angle anisotropy via long-range angular correlations with high pT​ hadrons in d+Au and p+p collisions at sNN​​​=200 GeV

Measurements of multiparticle correlations in d+Au collisions at 200, 62.4, 39, and 19.6 GeV and p+Au collisions at 200 GeV and implications for collective behavior

Nuclear dependence of the transverse-single-spin asymmetry for forward neutron production in polarized p+A collisions at sNN​​​=200 GeV

Measurements of B→J/ψ at forward rapidity in p+p collisions at s​=510 GeV

Measurements of double-helicity asymmetries in inclusive J/ψ production in longitudinally polarized p+p collisions at s​=510 GeV

Scaling properties of fractional momentum loss of high-pT hadrons in nucleus-nucleus collisions at sNN​​​ from 62.4 GeV to 2.76 TeV

Single electron yields from semileptonic charm and bottom hadron decays in Au+Au collisions at sNN​​=200 GeV

Measurement of parity-violating spin asymmetries in W± production at midrapidity in longitudinally polarized p+p collisions

Systematic study of charged-pion and kaon femtoscopy in Au+Au collisions at sNN​​​=200 GeV