6533b838fe1ef96bd12a3c10
RESEARCH PRODUCT
The rare isotopomers of HCN: HC15N and DC15N. Rotational spectrum and resolved nuclear hyperfine structures due to 15N and D.
Jürgen GaussCristina PuzzariniGabriele Cazzolisubject
PhysicsDeuteriumSpace and Planetary ScienceMoment (physics)Rotational spectrumAstronomy and AstrophysicsPhysics::Atomic PhysicsAtomic physicsRotationGround stateSpin (physics)Hyperfine structureIsotopomersdescription
In the present work the J + 1 ← J rotational transitions, with J = 0-7, of HC15N and the J + 1 ← J rotational transitions, with J = 0-7, 9, of DC15N have been investigated. The Lamb-dip technique has been employed in order to resolve the hyperfine structure due to deuterium and 15N. For HC15N, the hyperfine parameters have been determined for the first time. With respect to DC15N, only the spin rotation of 15N have been determined for the first time but a more reliable spin rotation of D has been obtained. The experimental evaluation of the hyperfine constants has been aided by highly accurate ab initio computations. Furthermore, the rotational transitions observed allowed us to provide the most accurate ground state rotational parameters known at the moment for both HC15N and DC15N.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2005-07-01 |