论文标题
灭绝的无线电脉冲星作为次级效果的来源
Extinct radio pulsars as a source of subrelativistic positrons
论文作者
论文摘要
灭绝的无线电脉冲星，当旋转制动时，相对论电子峰值等离子体的固定，自我维持的产生可能是正电子和电子的下层次通量的来源。我们假设观察到的凸起和星系盘的过量与这些旧的中子恒星有关。磁层中的对产生的产生是由于银河系和乳肠化背景的γ量子的一光吸收而发生的。等离子生产的级联进程导致正上音的通量从开放磁层$ \ simeq 3 \ times 10^{34} \ text {s}^{ - 1} $。旋转周期$ 1.5 <p <35 $ s是$ \ simeq 3 \ times 10^{43} \ text {s}^{ - 1} $的所有旧的银河中子星的总通量。正面子的能量小于$ \ simeq 10 $ meV。估计的特征满足了负责511射流银河歼灭线的正电子源的要求。
Extinct radio pulsars, in which stationary, self-sustaining generation of a relativistic electron-positron plasma becomes impossible when rotation brakes down, can be sources of a subrelativistic flux of positrons and electrons. We assume that the observed excess of positrons in the bulge and the disc of the Galaxy is associated with these old neutron stars. The production of pairs in their magnetospheres occurs due to one-photon absorption of gamma quanta of the Galactic and extragalactic backgrounds. The cascade process of plasma production leads to the flux of positrons escaping from the open magnetosphere $\simeq 3 \times 10^{34} \text{ s}^{-1}$. The total flux of positrons from all old Galactic neutron stars with rotational periods $1.5 < P < 35$ s is $\simeq 3 \times 10^{43} \text{ s}^{-1}$. The energy of positrons is less than $\simeq 10$ MeV. The estimated characteristics satisfy the requirements for the positron source responsible for the 511-keV Galactic annihilation line.
