Looking for light pseudoscalar bosons in the binary pulsar system J0737-3039

被引:32
作者
Dupays, A [1 ]
Rizzo, C
Roncadelli, M
Bignami, GF
机构
[1] Univ Toulouse 3, IRSAMC, Lab Collis Agregats React, F-31062 Toulouse, France
[2] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy
[3] UPS, CNRS, Ctr Etud Spatiale Rayonnements, F-31401 Toulouse, France
[4] Univ Pavia, Dipartimento Fis Nucl & Teor, Sez Milano, INAF,IASF, I-27100 Pavia, Italy
基金
美国国家科学基金会; 美国海洋和大气管理局;
关键词
D O I
10.1103/PhysRevLett.95.211302
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present numerical calculations of the photon-light-pseudoscalar-boson (LPB) production in the recently discovered binary pulsar system J0737-3039. Light pseudoscalar bosons oscillate into photons in the presence of strong magnetic fields. In the context of this binary pulsar system, this phenomenon attenuates the light beam emitted by one of the pulsars, when the light ray goes through the magnetosphere of the companion pulsar. We show that such an effect is observable in the gamma-ray band since the binary pulsar is seen almost edge-on, depending on the values of the LPB mass and on the strength of its two-photon coupling. Our results are surprising in that they show a very sharp and significant (up to 50%) transition probability in the gamma-ray (> tens of MeV) domain. The observations can be performed by the upcoming NASA GLAST mission.
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页数:4
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