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手征磁效应是基于量子色动力学的真空激发形成的拓扑结构和强磁场作用产生的物理现象。在相对论重离子对撞机（RHIC）寻找手征磁效应是高能核物理界过去几年探索的重大科学目标之一。复旦团队参与了美国布鲁克海文实验室的STAR国际合作组在同质异位素对撞实验中寻找手征磁效应的研究，并和布鲁克海文实验室的 STAR 研究组成员合作主导完成了一个独特的分析。STAR 合作组综合了多家研究组分析成果的文章已经投稿《...
Formation of "Lightnings" in a Neutron Star Magnetosphere and the Nature of RRATs
neutron stars, pulsars, rotating radio transients.
2011/9/15
The connection between the radio emission from “lightnings” produced by the absorption of high-energy photons from the cosmic gamma-ray background in a neutron star magnetosphere and radio bursts from...
$\rho^{0}$-vector meson elliptic flow ($v_{2}$) in $Au+Au$ collisions at $\sqrt{s_{NN}} = 200$ GeV in STAR at RHIC
$\rho^{0}$-vector meson elliptic $Au+Au$ collisions $\sqrt{s_{NN}} = 200$ GeV
2011/4/6
$\rho^{0}$-vector meson elliptic flow ($v_{2}$) in $Au+Au$ collisions at $\sqrt{s_{NN}} = 200$ GeV in STAR at RHIC 。
We apply the star product quantization to the Lie algebra. The quantization in terms of the star product is well known and the commutation relation in this case is called the $\theta$-deformation wher...
Motivated by an open question raised in recent times regarding the phase transition during the collapse of a neutron star to form a black hole and related stability issues, we have constructed charged...
Antikaon condensation in neutron star matter with strong magnetic fields
quark-meson coupling model antikaon condensation magnetic fields
2009/8/17
We study the influence of strong magnetic fields on antikaon condensation in neutron star matter using the quark-meson coupling (QMC) model. The QMC model describes a nuclear many-body system as nonov...
TOFr在STAR实验中的标定方法
TOFr 时间分辨 探测效率 标定
2009/7/31
基于多气隙电阻板室(MRPC)的STAR飞行时间探测器的一个板条的原型(TOFr)参加了2003年STAR实验的质子–质子对撞和氘–金对撞的物理运行.利用STAR实验中原有的赝顶点位置探测器(pVPD)和时间投影室(TPC),结合TOFr的时间及幅度信号,并考虑TOFr每个探测单元的尺寸,对影响时间分辨的各种因素进行了修正,实现了对TOFr的标定.实验数据给出的TOFr的本征时间分辨为85ps,在...