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Journal Articles

Survival probabilities of charmonia as a clue to measure transient magnetic fields

Iwasaki, Sachio*; Jido, Daisuke*; Oka, Makoto; Suzuki, Kei

Physics Letters B, 820, p.136498_1 - 136498_6, 2021/09

https://doi.org/10.1016/j.physletb.2021.136498
 Times Cited Count：2 Percentile：18.91(Astronomy & Astrophysics)

We investigate time evolution of $$S$$-wave charmonium populations under a time-dependent homogeneous magnetic field and evaluate survival probabilities of the low-lying charmonia to the goal of estimating the magnetic field strength at heavy-ion collisions. Our approach implements mixing between different spin eigenstates and transitions to radially excited states. We show that the survival probabilities can change even by an extremely short magnetic field. Furthermore, we find that the survival probabilities depend on the initial spin states. We propose the sum of the survival probabilities over spin partners as an observable insensitive to the initial states. We also find that the sum can be approximately given as a function of $$sigma B_0^2$$ with a duration time $$sigma$$ and the maximum strength of the magnetic field $$B_0$$.

Journal Articles

A Review of quarkonia under strong magnetic fields

Iwasaki, Sachio*; Oka, Makoto; Suzuki, Kei

European Physical Journal A, 57(7), p.222_1 - 222_14, 2021/07

https://doi.org/10.1140/epja/s10050-021-00533-5
 Times Cited Count：17 Percentile：70.63(Physics, Nuclear)

We review the properties of quarkonia under strong magnetic fields. The main phenomena are (i) mixing between different spin eigenstates, (ii) quark Landau levels and deformation of wave function, (iii) modification of $$bar{Q}Q$$ potential, and (iv) the motional Stark effect. For theoretical approaches, we review (i) constituent quark models, (ii) effective Lagrangians, (iii) QCD sum rules, and (iv) holographic approaches.

Journal Articles

Chiral separation effect catalyzed by heavy impurities

Suenaga, Daiki*; Araki, Yasufumi; Suzuki, Kei; Yasui, Shigehiro*

Physical Review D, 103(5), p.054041_1 - 054041_17, 2021/03

https://doi.org/10.1103/PhysRevD.103.054041
 Times Cited Count：5 Percentile：45.23(Astronomy & Astrophysics)

We investigate the influence of the Kondo effect, namely, the nonperturbative effect induced by heavy impurities, on the chiral separation effect (CSE) in quark matter. We employ a simple effective model incorporating the Kondo condensate made of a light quark and a heavy quark, and compute the response function of the axial current to the magnetic field in the static and dynamical limits. As a result, we find that the Kondo effect catalyzes the CSE in both of the limits, and in particular the CSE in the dynamical limit can be enhanced by a factor of approximately 3. Our findings clearly show that the presence of heavy impurities in quark matter can play an important role in the transport phenomena of light quarks induced by a magnetic field.

Journal Articles

Production of $$pi^0$$ and $$eta$$ mesons in U$$+$$U collisions at $$sqrt{s_{_{NN}}}=192$$ GeV

Acharya, U.*; Hasegawa, Shoichi; Imai, Kenichi*; Nagamiya, Shoji*; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 397 of others*

Physical Review C, 102(6), p.064905_1 - 064905_13, 2020/12

https://doi.org/10.1103/PhysRevC.102.064905
 Times Cited Count：5 Percentile：52.72(Physics, Nuclear)

Journal Articles

Exact vector channel sum rules at finite temperature

Gubler, P.; Sato, Daisuke*

JPS Conference Proceedings (Internet), 26, p.024023_1 - 024023_5, 2019/11

https://doi.org/10.7566/JPSCP.26.024023

In this talk, I will introduce and review several exact sum rules of the vector channel spectral function at finite temperature, which we have derived in a recent paper. I will also discuss an explicit check of these sum rules in perturbation theory and possible application to the analysis of lattice QCD data.

Journal Articles

Beam energy and centrality dependence of direct-photon emission from ultrarelativistic heavy-ion collisions

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji*; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 666 of others*

Physical Review Letters, 123(2), p.022301_1 - 022301_10, 2019/07

https://doi.org/10.1103/PhysRevLett.123.022301
 Times Cited Count：30 Percentile：86.91(Physics, Multidisciplinary)

Journal Articles

Measurement of two-particle correlations with respect to second- and third-order event planes in Au$$+$$Au collisions at $$sqrt{s_{_{NN}}}=200$$ GeV

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji*; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 451 of others*

Physical Review C, 99(5), p.054903_1 - 054903_29, 2019/05

AA2019-0567.pdf:3.42MB

https://doi.org/10.1103/PhysRevC.99.054903
 Times Cited Count：15 Percentile：83.07(Physics, Nuclear)

Journal Articles

Nonperturbative-transverse-momentum broadening in dihadron angular correlations in $$sqrt{s_{NN}}=200$$ GeV proton-nucleus collisions

Aidala, C.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 293 of others*

Physical Review C, 99(4), p.044912_1 - 044912_10, 2019/04

AA2019-0570.pdf:0.56MB

https://doi.org/10.1103/PhysRevC.99.044912
 Times Cited Count：5 Percentile：47.88(Physics, Nuclear)

Journal Articles

Creation of quark-gluon plasma droplets with three distinct geometries

Aidala, C.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 312 of others*

Nature Physics, 15(3), p.214 - 220, 2019/03

https://doi.org/10.1038/s41567-018-0360-0
 Times Cited Count：149 Percentile：99.03(Physics, Multidisciplinary)

Journal Articles

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

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 317 of others*

Physical Review C, 99(2), p.024903_1 - 024903_16, 2019/02

AA2019-0531.pdf:1.31MB

https://doi.org/10.1103/PhysRevC.99.024903
 Times Cited Count：11 Percentile：74.44(Physics, Nuclear)

Journal Articles

Low-momentum direct-photon measurement in Cu + Cu collisions at $$sqrt{s_{_{NN}}}=200$$ GeV

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 448 of others*

Physical Review C, 98(5), p.054902_1 - 054902_11, 2018/11

https://doi.org/10.1103/PhysRevC.98.054902
 Times Cited Count：14 Percentile：75.94(Physics, Nuclear)

Journal Articles

Production of $$pi^0$$ and $$eta$$ mesons in Cu+Au collisions at $$sqrt{s_{_{NN}}}$$=200 GeV

Aidala, C.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji*; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 397 of others*

Physical Review C, 98(5), p.054903_1 - 054903_11, 2018/11

https://doi.org/10.1103/PhysRevC.98.054903
 Times Cited Count：11 Percentile：68.32(Physics, Nuclear)

Journal Articles

Pseudorapidity dependence of particle production and elliptic flow in asymmetric nuclear collisions of $$p$$+Al, $$p$$+Au, $$d$$+Au, and $$^{3}$$He+Au at $$sqrt{s_{_{NN}}}$$ = 200 GeV

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 362 of others*

Physical Review Letters, 121(22), p.222301_1 - 222301_8, 2018/11

AA2018-0715.pdf:0.62MB

https://doi.org/10.1103/PhysRevLett.121.222301
 Times Cited Count：34 Percentile：86.03(Physics, Multidisciplinary)

Journal Articles

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

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 468 of others*

Physical Review C, 98(1), p.014912_1 - 014912_16, 2018/07

https://doi.org/10.1103/PhysRevC.98.014912
 Times Cited Count：7 Percentile：53.6(Physics, Nuclear)

Journal Articles

Measurements of mass-dependent azimuthal anisotropy in central $$p$$ + Au, $$d$$ + Au, and $$^3$$He + Au collisions at $$sqrt{s_{_{NN}}}$$ = 200 GeV

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 347 of others*

Physical Review C, 97, p.064904_1 - 064904_11, 2018/06

https://doi.org/10.1103/PhysRevC.97.064904
 Times Cited Count：22 Percentile：86.47(Physics, Nuclear)

Journal Articles

L$'{e}$vy-stable two-pion Bose-Einstein correlations in $$sqrt{s_{NN}}=200$$ GeV Au$$+$$Au collisions

Adare, A.*; Hasegawa, Shoichi; Nagamiya, Shoji; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 448 of others*

Physical Review C, 97(6), p.064911_1 - 064911_22, 2018/06

https://doi.org/10.1103/PhysRevC.97.064911
 Times Cited Count：32 Percentile：92.26(Physics, Nuclear)

Journal Articles

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

Aidala, C.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 311 of others*

Physical Review Letters, 120(6), p.062302_1 - 062302_8, 2018/02

AA2018-0511.pdf:0.47MB

https://doi.org/10.1103/PhysRevLett.120.062302
 Times Cited Count：42 Percentile：89.79(Physics, Multidisciplinary)

Journal Articles

$$B$$-meson production at forward and backward rapidity in $$p+p$$ and Cu + Au collisions at $$sqrt{s_{_{NN}}}$$ = 200 GeV

Aidala, C.*; Hasegawa, Shoichi; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 456 of others*

Physical Review C, 96(6), p.064901_1 - 064901_18, 2017/12

https://doi.org/10.1103/PhysRevC.96.064901
 Times Cited Count：3 Percentile：27.61(Physics, Nuclear)

Journal Articles

Measurements of $$e^+e^-$$ pairs from open heavy flavor in $$p+p$$ and $$d+A$$ collisions at $$sqrt{s_{NN}}$$ = 200 GeV

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 497 of others*

Physical Review C, 96(2), p.024907_1 - 024907_19, 2017/08

AA2017-0466.pdf:2.14MB

https://doi.org/10.1103/PhysRevC.96.024907
 Times Cited Count：11 Percentile：65.8(Physics, Nuclear)

Journal Articles

Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in $$p+p$$ collisions at $$sqrt{s}$$ = 510 GeV

Adare, A.*; Hasegawa, Shoichi; Imai, Kenichi; Nagamiya, Shoji; Sako, Hiroyuki; Sato, Susumu; Tanida, Kiyoshi; PHENIX Collaboration*; 462 of others*

Physical Review D, 95(7), p.072002_1 - 072002_19, 2017/04

AA2017-0102.pdf:1.1MB

https://doi.org/10.1103/PhysRevD.95.072002
 Times Cited Count：11 Percentile：49.91(Astronomy & Astrophysics)

47 (Records 1-20 displayed on this page)