RHIC的Unruh伽马辐射？
Unruh gamma radiation at RHIC?
摘要：
改变加速本身将模拟热环境的命题，我们研究了半经典光子辐射作为加速电荷遥测温度计的可能性。基于经典的Jackson公式，我们得到了恒定加速电荷的等效光子强度谱，并证明了它与高横动量热分布的一致性。逆横斜率与著名的Unruh温度不同：它大了π倍。我们比较所得的直接光子光谱与实验数据的金-金碰撞在RHIC和推测进一步的，解析可解的加速历史。
英文摘要：
Varying the proposition that acceleration itself would simulate a thermal environment, we investigate the semiclassical photon radiation as a possible telemetric thermometer of accelerated charges. Based on the classical Jackson formula we obtain the equivalent photon intensity spectrum stemming from a constantly accelerated charge and demonstrate its resemblances to a thermal distribution for high transverse momenta. The inverse transverse slope differs from the famous Unruh temperature: it is larger by a factor of pi. We compare the resulting direct photon spectrum with experimental data for AuAu collisions at RHIC and speculate about further, analytically solvable acceleration histories.
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