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Related papers: Methyl mercaptan (CH3SH) as a probe for $\mu$ vari…

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We present a first temperature dependence and kinetic isotope effect study on the reaction of C_2(a^3Pi_u) with methanol. The bimolecular rate constants for a series of methanol isotopomers have been measured as a function of temperature…

Chemical Physics · Physics 2015-05-18 Renzhi Hu , Qun Zhang , Yang Chen

We report the detection of the millimeter CH$_3$OH masers including a new detection of class I (11$_{0,11}$-10$_{1,10}$A) and class II (6$_{1,5}$-5$_{2,4}$E) maser transitions toward the high-mass protostar S255IR NIRS3 in post-burst phase.…

Solar and Stellar Astrophysics · Physics 2023-09-06 Giseon Baek , Jeong-Eun Lee , Neal J. Evans , Tomoya Hirota , Yuri Aikawa , Ji-hyun Kang , Jungha Kim , Jes K. Jørgensen

We study dependence of the atmospheric $\nu_\mu$ and $\bar{\nu}_\mu$ fluxes on the deviations of the 2-3 mixing from maximal, $|45^\circ - \theta_{23}|$, on the $\theta_{23}$-octant and on the neutrino mass splitting $\Delta m_{32}^2$.…

High Energy Physics - Phenomenology · Physics 2015-03-17 Abhijit Samanta , A. Yu. Smirnov

This study presents systematic investigations into the growth and physical properties of EuAl$_3$Si single crystals, encompassing magnetic, transport, and thermodynamic analyses. EuAl$_3$Si undergoes a ferromagnetic transition at $T_C$ = 15…

Strongly Correlated Electrons · Physics 2025-01-10 Hai Zeng , Shuo Zou , Zhou Wang , Ziyu Li , Kangjian Luo , Yongkang Luo

Context: Methanol is thought to be mainly formed during the prestellar phase and its deuterated form keeps memory of the conditions at that epoch. Thanks to the unique combination of high angular resolution and sensitivity provided by ALMA,…

The molecular mobility of propane and propylene has been studied by 2H NMR method. The activation barriers of diffusion determined from the spin relaxation analysis are in a good agreement with the values obtained by Liu et al. (EC3H8 = 38…

Materials Science · Physics 2020-04-15 Alexander E. Khudozhitkov , Daniil I. Kolokolov , Alexander G. Stepanov

We observed 14 methanol transitions near lambda=2 mm in Galactic star-forming regions. Broad, quasi-thermal J(0)-J(-1)E methanol lines near 157 GHz were detected toward 73 sources. Together with the 6(-1)-5(0)E and 5(-2)-6(-1)E lines at 133…

Astrophysics · Physics 2009-10-31 V. I. Slysh , S. V. Kalenskii , I. E. Val'tts , V. V. Golubev , K. Mead

We present an accurate quantum mechanical study of molecule-molecule collisions in the presence of a magnetic field. The work focusses on the analysis of elastic scattering and spin relaxation in collisions of O2(3Sigma_g) molecules at cold…

Atomic Physics · Physics 2012-02-06 T. V. Tscherbul , Yu. V. Suleimanov , V. Aquilanti , R. V. Krems

Temperature dependent hydrogen bond energetics and dynamical features, such as the diffusion coefficient and reorientational times, have been determined for ethanol-water mixtures with 10, 20 and 30 mol % of ethanol. Concerning pairwise…

Chemical Physics · Physics 2019-06-12 Szilvia Pothoczki , László Pusztai , Imre Bakó

The associated magnetic moments of the periodic rotational motion of methyl groups in hexamethylbenzene C$_6$(CH$_3$)$_6$ were recently identified to contribute to its overall magnetic susceptibility. Those measurements however, were only…

Strongly Correlated Electrons · Physics 2018-06-27 Fei Yen

At low concentrations of methanol in ethanol-methanol binary system, the molecular interactions are seen to be uniquely complex. It is observed that the ethanol aggregates are not strictly hydrogen-bonded complexes; dispersion forces also…

Chemical Physics · Physics 2016-11-21 K Nilavarasi , Thejus R Kartha , V Madhurima

Polymeric methyltrioxorhenium, {(CH_{3})_{0.92}ReO_{3}}_{\infty} (poly-MTO), is the first member of a new class of organometallic hybrids which adopts the structural pattern and physical properties of classical perovskites in two dimensions…

Using the IRAM 30m telescope, we mapped the methanol emission in the pre-stellar core L1544 and observed singly deuterated methanol (CH$_2$DOH and CH$_3$OD) towards the dust peak of L1544. Non-LTE radiative transfer modelling was performed…

Solar and Stellar Astrophysics · Physics 2014-09-17 Luca Bizzocchi , Paola Caselli , Silvia Spezzano , Elvira Leonardo

New calculations for rotational excitation of cyanoacetylene by collisions with hydrogen molecules are performed to include the lowest 38 rotational levels of HC3N and kinetic temperatures to 300 K. Calculations are based on the interaction…

Astrophysics of Galaxies · Physics 2016-06-15 A. Faure , F. Lique , L. Wiesenfeld

We present a second epoch of observations of the 44 GHz Class I methanol maser line toward the star forming region OMC-2. The observations were carried out with the Very Large Array, and constitute one of the first successful Zeeman effect…

Astrophysics of Galaxies · Physics 2015-06-11 E. Momjian , A. P. Sarma

The article comprises structural, microstructural, and physical properties analysis of Bi2Se3-xTex (x= 0, 1, 2 and 3) mixed topological insulator (MTI) single crystals. All the crystals were grown through a well-optimized solid-state…

Materials Science · Physics 2020-12-02 Deepak Sharma , Yogesh Kumar , P. Kumar , Vipin Nagpal , S. Patnaik , V. P. S. Awana

The pressure dependence of the magnetic penetration depth in polycrystalline samples of YBa2Cu3Ox with different oxygen concentrations x = 6.45, 6.6, 6.8, and 6.98 was studied by muon spin rotation (muSR). The pressure dependence of the…

Superconductivity · Physics 2015-05-28 A. Maisuradze , A. Shengelaya , A. Amato , E. Pomjakushina , H. Keller

Magnetic Fr\'eedericksz transition was studied in ferronematics based on the nematic liquid crystal 4-(trans-4'-n-hexylcyclohexyl)-isothiocyanatobenzene (6CHBT). 6CHBT was doped with rod-like magnetic particles of different size and volume…

The 29 reactions linking carbon monosulfide (CS) to methyl mercaptan (CH3SH) via ten intermediate radicals and molecules have been characterized with relevance to surface chemistry in cold interstellar ices. More intermediate species than…

Astrophysics of Galaxies · Physics 2018-06-11 T Lamberts

Densities and speeds of sound at a temperature $T$ = 298.15 K, relative permittivities at 1 MHz and refractive indices at the sodium D-line at $T$ = (293.15 K to 303.15 K), all at a pressure p = 0.1 MPa, are reported for liquid mixtures…