SenGupta, Soumitra ; Sinha, Aninda (2001) Fermion helicity flip by parity violating torsion Physics Letters B, 514 (1-2). pp. 109-113. ISSN 0370-2693
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Official URL: https://doi.org/10.1016/S0370-2693(01)00785-7
Related URL: http://dx.doi.org/10.1016/S0370-2693(01)00785-7
Abstract
The helicity flip of a spin-1/2 Dirac fermion interacting with a torsion-field endowed with a pseudo-tensorial extension is analysed. Taking the torsion to be represented by a Kalb–Ramond field, we show that there is a finite amplitude for helicity flip for massive fermions. The lowest order contribution which turns out to be proportional to the pseudo-tensor term, implies a new physical understanding of the phenomenon of helicity flip.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 140100 |
| Deposited On: | 06 Sep 2025 04:53 |
| Last Modified: | 06 Sep 2025 04:53 |
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