Research facilities

Publications

This page lists publications by members of the Microwave Laboratory. Links to individual researcher profiles are provided at the bottom of the page.

2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007

2026

High-resolution near-infrared spectroscopy of tritiated water.
(Additional publications will be added as they become available.)

2025

High-resolution spectroscopy of ...
Journal of Molecular Spectroscopy (2025).

...

2024

Newly observed low-lying Ω=1 state of PbO.
Katsunari Enomoto, Taichi Tojo, Kaori Kobayashi, Susumu Kuma, Ayami Hiramoto, Yuki Miyamoto, and Masaaki Baba.
The Journal of Chemical Physics, 160, 134306 (2024).

Analysis on high-resolution spectrum of the S1–S0 transition of free-base phthalocyanine.
Yuki Miyamoto, Ayami Hiramoto, Kana Iwakuni, Susumu Kuma, Katsunari Enomoto, Naofumi Nakayama, and Masaaki Baba.
The Journal of Chemical Physics, 160, 144304 (2024).

2023

Doppler-free Spectroscopy of Buffer-Gas-Cooled Calcium Monohydroxide.
Yuki Miyamoto, Reo Tobaru, Yuiki Takahashi, Ayami Hiramoto, Kana Iwakuni, Susumu Kuma, Katsunari Enomoto, and Masaaki Baba.
The Journal of Physical Chemistry A, 127, 4758 (2023).

Measurement of Doppler effects in a cryogenic buffer-gas cell.
A. Hiramoto, M. Baba, K. Enomoto, K. Iwakuni, S. Kuma, Y. Takahashi, R. Tobaru, and Y. Miyamoto.
Physical Review A, 107, 043114 (2023).

2022

Low-J transitions in A2Π–X2Σ+ band of buffer-gas-cooled CaOH.
Y. Takahashi et al.
Astrophysical Journal, 936, 97 (2022).

High-resolution spectroscopy of the X0+→A0+, C0+ transitions of PbO.
K. Enomoto et al.
Journal of Molecular Spectroscopy, 390, 111713 (2022).

High-resolution spectroscopy of buffer-gas-cooled phthalocyanine.
Y. Miyamoto et al.
Communications Chemistry, 5, 161 (2022).

2021

Free-bound excitation and predissociation of ytterbium dimers near the 1S01P1 atomic transition.
K. Enomoto et al.
Physical Review A, 104, 013118 (2021).

A superconducting Fabry–Perot cavity for trapping cold molecules.
F. S. Tahsildaran et al.
Journal of Physics B, 54, 015101 (2021).

Microwave Zeeman Effect of Methanol.
K. Takagi, S. Tsunekawa, K. Kobayashi, T. Hirota, and F. Matsushima.
Journal of Molecular Spectroscopy, 377, 111420 (2021).

The analysis of the microwave absorption spectrum of trans-ethyl methyl ether in the skeletal torsion v30=2 state.
K. Kobayashi, S. Tsunekawa, and N. Ohashi.
Journal of Molecular Spectroscopy, 377, 111443 (2021).

Pure rotational spectrum of CCl+.
O. Asvany et al.
Astrophysical Journal, 910, 15 (2021).

2020

Schemes for nondestructive quantum gas microscopy of single atoms in an optical lattice.
D. Okuno, Y. Amano, K. Enomoto, N. Takei, and Y. Takahashi.
New Journal of Physics, 22, 013041 (2020).

Identification of a vibrationally excited level in methyl formate through microwave and far-infrared spectroscopy.
K. Kobayashi, Y. Sakai, M. Fujitake, D. W. Tokaryk, B. E. Billinghurst, and N. Ohashi.
Canadian Journal of Physics, 98, 551–554 (2020).

Microwave spectroscopy of CD3SH in the first torsionally excited state.
K. Kobayashi, W. Nakamura, T. Matsushima, S. Tsunekawa, and N. Ohashi.
Journal of Molecular Structure, 1217, 128339 (2020).

Deuterium fractionation of nitrogen hydrides: detections of NHD and ND2.
A. Bacmann, A. Faure, P. Hily-Blant, K. Kobayashi, H. Ozeki, S. Yamamoto, L. Pagani, and F. Lique.
Monthly Notices of the Royal Astronomical Society, 499, 1795–1804 (2020).

2019

Focusing of a cold PbO molecular beam with a superconducting microwave resonator.
K. Enomoto, N. Hizawa, Y. Furuta, N. Hada, and T. Momose.
Journal of Physics B: Atomic, Molecular and Optical Physics, 52, 035101 (2019).
DOI (Open Access)

2018

Laser spectroscopic study of the B/B″2Σ+–X2Σ+ (9–0), (10–0), (11–0) and (18–0) bands of CaH.
K. Watanabe, I. Tani, K. Kobayashi, Y. Moriwaki, and S. C. Ross.
Chemical Physics Letters, 710, 11–15 (2018).
DOI

Microwave spectroscopy of HCOO13CH3 in the second methyl torsional excited state.
K. Kobayashi, T. Kuwahara, H. Tachi, Y. Urata, S. Tsunekawa, N. Hayashi, H. Higuchi, M. Fujitake, and N. Ohashi.
Journal of Molecular Spectroscopy, 343, 50–53 (2018).

2017

Spectroscopy of the B(1)(v′ = 3–6)-X(0+)(v″ = 0) transitions of PbO with 10-MHz precision.
K. Enomoto, A. Fuwa, N. Hizawa, Y. Moriwaki, and K. Kobayashi.
Journal of Molecular Spectroscopy, 339, 12–16 (2017).

Millimeter-wave spectroscopy of hydantoin – a possible precursor of glycine.
H. Ozeki, R. Miyahara, H. Ihara, S. Todaka, K. Kobayashi, and M. Ohishi.
Astronomy & Astrophysics, 600, A44 (2017).

Microwave spectroscopy of CD3SH in the ground state.
K. Kobayashi, W. Nakamura, T. Matsushima, S. Tsunekawa, and N. Ohashi.
Journal of Molecular Spectroscopy, 337, 32–36 (2017).

Millimeter-wave and Submillimeter-wave Spectra of Aminoacetonitrile in the Three Lowest Vibrational Excited States.
C. Degli Esposti, L. Dore, M. Melosso, K. Kobayashi, C. Fujita, and H. Ozeki.
Astrophysical Journal Supplement Series, 230, 26 (2017).

2016

Comparison of resonance frequencies of major atomic lines in 398–423 nm.
K. Enomoto, N. Hizawa, T. Suzuki, K. Kobayashi, and Y. Moriwaki.
Applied Physics B, 122, 126 (2016).

Reanalysis of the ground and three torsional excited states of trans-ethyl methyl ether using an IAM-like tunneling matrix formalism.
K. Kobayashi, Y. Sakai, S. Tsunekawa, T. Miyamoto, M. Fujitake, and N. Ohashi.
Journal of Molecular Spectroscopy, 321, 63–77 (2016).

Terahertz spectroscopy of ground-state HD18O.
S. Yu, J. C. Pearson, B. J. Drouin, C. E. Miller, K. Kobayashi, and F. Matsushima.
Journal of Molecular Spectroscopy, 328, 27–31 (2016).

2015

An ALMA imaging study of methyl formate (HCOOCH3) in torsionally excited states toward Orion KL.
Y. Sakai, K. Kobayashi, and T. Hirota.
Astrophysical Journal, 803, 97 (2015).

Terahertz spectroscopy of N18O and isotopic invariant fit of several nitric oxide isotopologs.
H. S. P. Müller, K. Kobayashi, K. Takahashi, K. Tomaru, and F. Matsushima.
Journal of Molecular Spectroscopy, 310, 92–98 (2015).

2014

Terahertz spectroscopy of methanimine and its isotopologues.
Y. Motoki, F. Isobe, H. Ozeki, and K. Kobayashi.
Astronomy & Astrophysics, 566, A28 (2014).

Extension of the Measurement, Assignment, and Fit of the Rotational Spectrum of the Two-Top Molecule Methyl Acetate.
H. V. L. Nguyen, I. Kleiner, S. T. Shipman, Y. Mae, K. Hirose, S. Hatanaka, and K. Kobayashi.
Journal of Molecular Spectroscopy, 299, 17–21 (2014).

2013

Submillimeter-wave Spectrum of Aminoacetonitrile and Its Deuterated Isotopologues, Possible Precursor of the Simplest Amino Acid, Glycine.
Y. Motoki, Y. Tsunoda, H. Ozeki, and K. Kobayashi.
Astrophysical Journal Supplement Series, 209, 23 (2013).

Microwave lens effect for the J = 0 rotational state of CH3CN.
S. Spieler, W. Zhong, P. Djuricanin, O. Nourbakhsh, I. Gerhardt, K. Enomoto, F. Stienkemeier, and T. Momose.
Molecular Physics, 111, 1823–1834 (2013).

The Microwave Spectroscopy of Methyl Formate in the Second Torsional Excited State.
K. Kobayashi, K. Takamura, Y. Sakai, S. Tsunekawa, H. Odashima, and N. Ohashi.
Astrophysical Journal Supplement Series, 205, 9 (2013).

Ultracold Ytterbium: Generation, Many-body Physics, and Molecules.
S. Sugawa, Y. Takasu, K. Enomoto, and Y. Takahashi.
In Annual Review of Cold Atoms and Molecules, Vol. 1, World Scientific (2013).

Analysis of a tritium enhanced water spectrum between 7200–7245 cm-1 using new variational calculations.
M. J. Down, J. Tennyson, M. Hara, Y. Hatano, and K. Kobayashi.
Journal of Molecular Spectroscopy, 289, 35–40 (2013).

2012

Superconducting microwave cavity towards controlling the motion of polar molecules.
K. Enomoto, P. Djuricanin, I. Gerhardt, O. Nourbakhsh, Y. Moriwaki, W. Hardy, and T. Momose.
Applied Physics B, 109, 149–157 (2012).

Detection of Methyl Formate in the Second Torsionally Excited State (vt=2) in Orion KL.
S. Takano, Y. Sakai, S. Kakimoto, M. Sasaki, and K. Kobayashi.
Publications of the Astronomical Society of Japan, 64, 89 (2012).

2011

Development of a superconducting cavity for a microwave lens to collimate cold molecular beams.
K. Enomoto et al.
Proceedings of the 5th International Workshop on Fundamental Physics Using Atoms, 79–83 (2011).
PDF

Analysis of the pure rotational spectrum in the ν28=1 excited torsional state and torsional couplings of trans-ethyl methyl ether.
K. Kobayashi et al.
Journal of Molecular Spectroscopy, 269, 242–247 (2011).

Near-infrared Spectroscopy of Tritiated Water.
K. Kobayashi et al.
Fusion Science and Technology, 60, 941–943 (2011).

2010

Control of translational motion of polar molecules by using superconducting microwave resonators.
K. Enomoto et al.
Proceedings of the 4th International Workshop on Fundamental Physics Using Atoms, 56–59 (2010).
PDF

Microwave Lens for Polar Molecules.
H. Odashima et al.
Physical Review Letters, 104, 253001 (2010).

Submillimeter-wave and far-infrared spectroscopy of high-J transitions of ammonia.
S. Yu et al.
Journal of Chemical Physics, 133, 174317 (2010).

2009

The microwave spectroscopy of trans-ethyl methyl ether in the ν29=1 excited torsional state.
K. Kobayashi et al.
Journal of Molecular Spectroscopy, 255, 164–171 (2009).

2008

Optical Feshbach Resonance Using the Intercombination Transition.
K. Enomoto, K. Kasa, M. Kitagawa, and Y. Takahashi.
Physical Review Letters, 101, 203201 (2008).

The microwave spectroscopy of trans-ethyl methyl ether in the first skeletal torsionally excited state.
K. Kobayashi et al.
Journal of Molecular Spectroscopy, 251, 301–304 (2008).

2007

Torsionally Excited Methyl Formate in Orion KL.
Kaori Kobayashi, Kazumi Ogata, Shozo Tsunekawa, and Shuro Takano.
Astrophysical Journal Letters, 657, L17–L19 (2007).


Researcher Profiles

For a complete and up-to-date list of publications, please visit the researcher profiles below.