Neutron to mirror-neutron oscillations in the presence of mirror magnetic fields (2009)
Altarev, I., Baker, C. A., Ban, G., Bodek, K., Daum, M., Fierlinger, P., ...
We performed ultracold neutron storage measurements to search for additional losses due to neutron (n) to mirror-neutron (n') oscillations as a function of an applied magnetic field B. In the...
Neutron to mirror-neutron oscillations in the presence of mirror magnetic fields (2009)
Altarev, I., Baker, C. A., Ban, G., Bodek, K., Daum, M., Fierlinger, P., ...
We performed ultracold neutron storage measurements to search for additional losses due to neutron (n) to mirror-neutron (n') oscillations as a function of an applied magnetic field B. In the...
Plonka-Spehr, C., Kraft, A., Iaydjiev, P., Klepp, J., Nesvizhevsky, V., Geltenbort, P., ...
We developed an optical device for ultra-cold neutrons and investigated the influence of a tilt of its guiding components. A measurement of the time-of-flight of the neutrons through the device by...
Neutron to Mirror-Neutron Oscillations in the Presence of Mirror Magnetic Fields (2009)
Altarev, I., Baker, C. A., Ban, G., Bodek, K., Daum, M., Fierlinger, P., ...
We performed ultracold neutron (UCN) storage measurements to search for additional losses due to neutron (n) to mirror-neutron (n') oscillations as a function of an applied magnetic field B. In the...
Test of Lorentz invariance with spin precession of ultracold neutrons (2009)
Altarev, I., Baker, C. A., Ban, G., Bison, G., Bodek, K., Daum, M., ...
A clock comparison experiment, analyzing the ratio of spin precession frequencies of stored ultracold neutrons and $^{199}$Hg atoms is reported. %57 No daily variation of this ratio could be found,...
First Measurement of the Neutron beta Asymmetry with Ultracold Neutrons (2009)
Pattie, RW, Anaya, J, Back, HO, Boissevain, JG, Bowles, TJ, Broussard, LJ, ...
We report the first measurement of an angular correlation parameter in neutron beta decay using polarized ultracold neutrons (UCN). We utilize UCN with energies below about 200 neV, which we guide...
First measurement of the neutron β asymmetry with ultracold neutrons (2009)
Anaya, J., Back, H. O., Boissevain, J. G., Bowles, T. J., Broussard, L. J., ...
We report the first measurement of an angular correlation parameter in neutron β decay using polarized ultracold neutrons (UCN). We utilize UCN with energies below about 200 neV, which we guide and...
First Measurement of the Neutron beta Asymmetry with Ultracold Neutrons (2009)
Pattie, RW, Anaya, J, Back, HO, Boissevain, JG, Bowles, TJ, Broussard, LJ, ...
Test of Lorentz Invariance with Spin Precession of Ultracold Neutrons (2009)
Altarev, I, Baker, CA, Ban, G, Bison, G, Bodek, K, Daum, M, ...
Neutron to mirror-neutron oscillations in the presence of mirror magnetic fields (2009)
Altarev, I, Baker, CA, Ban, G, Bodek, K, Daum, M, Fierlinger, P, ...
Experimental demonstration of the stability of Berry's phase for a spin-1/2 particle (2008)
Filipp, S., Klepp, J., Hasegawa, Y., Plonka-Spehr, C., Schmidt, U., Geltenbort, P., ...
The geometric phase has been proposed as a candidate for noise resilient coherent manipulation of fragile quantum systems. Since it is determined only by the path of the quantum state, the presence...
Serebrov, A. P., Aleksandrov, E. B., Dovator, N. A., Dmitriev, S. P., Fomin, A. K., Geltenbort, P., ...
Mirror matter is considered as a candidate for dark matter. In connection with this an experimental search for neutron - mirror neutron (nn') transitions has been carried out using storage of...
A source of ultra-cold neutrons for the gravitational spectrometer GRANIT (2007)
Schmidt-Wellenburg, P., Geltenbort, P., Nesvizhevsky, V. V., Plonka, C., Soldner, T., Vezzu, F., ...
We present the status of the development of a dedicated high density ultra-cold neutron (UCN) source dedicated to the gravitational spectrometer GRANIT. The source employs superthermal conversion of...
Serebrov, A. P., Aleksandrov, E. B., Dovator, N. A., Dmitriev, S. P., Fomin, A. K., Geltenbort, P., ...
The idea of a hidden sector of mirror partners of elementary particles has attracted considerable interest as a possible candidate for dark matter. Recently it was pointed out by Berezhiani and Bento...
Serebrov, A. P., Varlamov, V. E., Kharitonov, A. G., Fomin, A. K., Pokotilovski, Yu. N., Geltenbort, P., ...
The author of article discusses the possible systematic effects in our experiment using reference and picture from allegedly our publication. First of all this publication does not exist. The...
Baker, C. A., Doyle, D. D., Geltenbort, P., Green, K., Harris, P. G., ...
The Authors reply to the Comment of Golub and Lamoreaux. The experimental limit on the neutron electric dipole moment remains unchanged from that previously announced.
Efficient extraction of a collimated ultra-cold neutron beam using diffusive channels (2007)
Schmidt-Wellenburg, P., Barnard, J., Geltenbort, P., Nesvizhevsky, V. V., Plonka, C., Soldner, T., ...
We present a first experimental demonstration of a new method to extract a well-collimated beam of ultra-cold neutrons (UCN) from a storage vessel. Neutrons with too large divergence are not removed...
Neutron lifetime measurements using gravitationally trapped ultracold neutrons (2007)
Serebrov, A. P., Varlamov, V. E., Kharitonov, A. G., Fomin, A. K., Pokotilovski, Yu. N., Geltenbort, P., ...
Our experiment using gravitationally trapped ultracold neutrons (UCN) to measure the neutron lifetime is reviewed. Ultracold neutrons were trapped in a material bottle covered with...
Low energy upscattering of UCN in interaction with the surface of solid state (2006)
Serebrov, A., Vassiljev, A., Lasakov, M., Krasnoschekova, I., Fomin, A., Geltenbort, P., ...
In connection with the problem of anomalous losses of ultracold neutrons (UCN) in the storage in the material traps the measurements of quasi-elastic scattering of UCN in collisions with trap surface...
An Improved Experimental Limit on the Electric Dipole Moment of the Neutron (2006)
Baker, C. A., Doyle, D. D., Geltenbort, P., Green, K., Harris, P. G., ...
An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field fluctuations were...
Storage of ultracold neutrons in a volume coated with diamondlike carbon (2006)
Atchison, F., Blau, B., Daum, M., Fierlinger, P., Geltenbort, P., Henneck, R., ...
Daum, M., Geltenbort, P., Henneck, R., Kirch, K.
We comment on the paper `UCN anomalous losses and the UCN capture cross section on material defects' by A. Serebrov et al., Phys. Lett. A 335 (2005) 327 - 336. Data presented do not originate from...
Measured total cross sections of slow neutrons scattered by gaseous and liquid H-2(2) (2005)
Atchison, F, Brys, T, Daum, M, Fierlinger, P, Hautle, P, ...
First tests of Li-6 doped glass scintillators for ultracold neutron detection. (2005)
Ban, G., Flechard, X., Labalme, M., Lefort, T., Lienard, E., Naviliat-Cuncic, O., ...
We report the results of test measurements aimed at determining the performances of [.sup.6]Li doped glass scintillators for the detection of ultra-cold neutrons. Four types of scintillators, GS1,...
First tests of Li-6 doped glass scintillators for ultracold neutron detection. (2005)
Ban, G., Flechard, X., Labalme, M., Lefort, T., Lienard, E., Naviliat-Cuncic, O., ...
We report the results of test measurements aimed at determining the performances of [.sup.6]Li doped glass scintillators for the detection of ultra-cold neutrons. Four types of scintillators, GS1,...
Investigation of solid D-2 for UCN sources (2005)
Atchison, F, Bodek, K, Brys, T, Daum, M, Fierlinger, P, ...
Measured total cross sections of slow neutrons scattered by gaseous and liquid H-2(2) (2005)
Atchison, F, Brys, T, Daum, M, Fierlinger, P, Hautle, P, ...
New results on the ternary fission of Cm isotopes (2005)
HEYSE, J, Wagemans, Cyrillus, Vermote, Sofie, SEROT, O, GELTENBORT, P, SOLDNER, T, ...
Determination of the 243,246,248Cm thermal neutron induced fission cross sections (2005)
SEROT, O, Wagemans, Cyrillus, HEYSE, J, Vermote, Sofie, SOLDNER, T, GELTENBORT, P
Determination of the Cm-243,Cm-246,Cm-248 thermal neutron induced fission cross sections (2005)
SEROT, O, Wagemans, Cyrillus, Vermote, Sofie, HEYSE, J, SOLDNER, T, GELTENBORT, P
Serebrov, A., Varlamov, V., Kharitonov, A., Fomin, A., Pokotilovski, Yu., Geltenbort, P., ...
We present a new value for the neutron lifetime of 878.5 +- 0.7 stat. +- 0.3 syst. This result differs from the world average value (885.7 +- 0.8 s) by 6.5 standard deviations and by 5.6 standard...
Demonstration of a solid deuterium source of ultra-cold neutrons (2004)
Saunders, A, Anaya, JM, Bowles, TJ, Filippone, BW, Geltenbort, P, Hill, RE, ...
An abnormal ultra-cold-neutron absorption in solid UCN-detectors (2004)
Kitagaki, T, Sakai, K, Hino, M, Utsuro, M, Higuchi, M, Geltenbort, P, ...
The ternary alpha distribution revisited (2004)
Wagemans, Cyrillus, Janssens, Peter, HEYSE, J, SEROT, O, GELTENBORT, P, SOLDNER, T
New results on the ternary fission of 246Cm and 252Cf (2004)
SEROT, O, Wagemans, Cyrillus, HEYSE, J, WAGEMANS, J, GELTENBORT, P
Energy distribution of the ternary alpha's emitted in U-235(n(th),f) and Cf-252(SF) (2004)
Wagemans, Cyrillus, HEYSE, J, Janssens, Peter, SEROT, O, GELTENBORT, P
The ternary alpha energy distribution revisited (2004)
Wagemans, Cyrillus, Janssens, Peter, Heyse, Jan, SEROT, O, GELTENBORT, P, SOLDNER, T
New results on the ternary fission of Cm and Cf isotopes (2004)
SEROT, O, Wagemans, Cyrillus, HEYSE, J, WAGEMANS, J, GELTENBORT, P
Demonstration of a solid deuterium source of ultra-cold neutrons (2003)
Saunders, A., Anaya, J. M., Bowles, T. J., Filippone, B. W., Geltenbort, P., Hill, R. E., ...
Ultra-cold neutrons (UCN), neutrons with energies low enough to be confined by the Fermi potential in material bottles, are playing an increasing role in measurements of fundamental properties of the...
Development of a very cold neutron spin interferometer at the ILL (2003)
Hino, M, Tasaki, S, Kawabata, Y, Ebisawa, T, Geltenbort, P, Brenner, T, ...
Measurements of Ultracold-Neutron Lifetimes in Solid Deuterium (2002)
Morris, C. L., Anaya, J.M., Bowles, T. J., Filippone, B.W., Geltenbort, P., Hill, R. E., ...
We present the first measurements of the survival time of ultracold neutrons (UCNs) in solid deuterium (SD2). This critical parameter provides a fundamental limitation to the effectiveness of...
Temperature Dependence of the UCN Loss Rate (2002)
Arzumanov, S., Butterworth, J., Golub, R., Geltenbort, P., Korobkina, E.
We report about the first results obtained with our Ultra High Vacuum cryostat recently commissioned at HMI to study Ultra Cold Neutrons(UCN) loss rate under low temperatures(down to 4K) and well...
Goeminne, G, Denecke, B, Geltenbort, P, Johansson, L, Köster, U, Pommé, S, ...
The $^{39}$Ar(n$_{\rm th}$,$\alpha$)$^{36}$S reaction has been studied for the first time. A sample containing $2.85 \times 10^{14}$ $^{39}$Ar atoms, was produced at the ISOLDE facility at CERN. The...
Serot, O, Wagemans, C, Wagemans, J, Goeminne, G, Köster, U, Geltenbort, P, ...
The energy distributions and yields of light charged particles emitted during thermal neutron induced fission of 245Cm have been measured at the high flux reactor of the Institute Laue Langevin in...
Neutron induced reactions on radioactive beryllium and argon isotopes (2002)
Wagemans, C, Goeminne, G, Wagemans, J, Köster, U, Loiselet, M, Gaelens, M, ...
The preparation of radioactive 10Be, 37Ar and 39Ar samples is discussed. Investigation of the 10Be(n_th,gamma)11Be, 37Ar(n_th,alpha)34S, 37Ar(n_th,p)37Cl and 39Ar(n_th,alpha)36S reactions is...
Measurements of ultracold-neutron lifetimes in solid deuterium (2002)
Morris, CL, Anaya, JM, Bowles, TJ, Filippone, BW, Geltenbort, P, Hill, RE, ...
Neutron induced reactions on radioactive Be and Ar isotopes. (2002)
Wagemans, Cyrillus, GOEMINNE, G, Wagemans, Jan, KOSTER, U, LOISELET, M, GAELENS, M, ...
Measurements of ultracold neutron lifetimes in solid deuterium (2001)
Morris, C. L., Anaya, J. M., Bowles, T. J., Filippone, B. W., Geltenbort, P., Hill, R. E., ...
We present the first measurements of the survival time of ultracold neutrons (UCNs) in solid deuterium SD2. This critical parameter provides a fundamental limitation to the effectiveness of...
Goeminne, G, Wagemans, C, Wagemans, J, Geltenbort, P, Loiselet, M, Gaelens, M, ...
A first experimental study of the neutron induced charged particle reactions on $^{37}$Ar and $^{39}$Ar as a function of the neutron energy has been made. Therefore, complementary measurements were...
Investigation of the thermal Al-26(n, p(i))Mg-26 and Al-26(n, alpha(i))Na-23 reactions. (2001)
Wagemans, Jan, Wagemans, Cyrillus, GOEMINNE, G, GELTENBORT, P, Moens, Anne
Looking for surface states of ultra-cold neutrons (2000)
Brenner, T, Butterworth, J, Geltenbort, P, Hino, M, Malik, SS, Okumura, K, ...
Thermal neutron induced (n,p) and (n,alpha) reactions on 37Ar (1999)
Bieber, R., Wagemans, C., Goeminne, G., Wagemans, J., Denecke, B., Loiselet, M., ...
The 37Ar(n_th,alpha)34S and 37Ar(n_th,p)37Cl reactions were studied at the high flux reactor of the ILL in Grenoble. For the 37Ar(n_th,alpha_0) and 37Ar(n_th,p) reaction cross sections, values of...
New experimental limit on the electric dipole moment of the neutron (1999)
Harris, P G, Baker, C A, Green, K, Iaydjiev, P, Ivanov, S, May, D J R, ...
Thermal neutron induced (n, p) and (n, ) reactions on 37Ar. (1999)
BIEBER, R, Wagemans, Cyrillus, GOEMINE, G, Wagemans, Jan, DENECKE, B, LOISELET, M, ...
Thermal neutron induced (n,p) and (n,alpha) reactions on Ar-37. (1999)
BIEBER, R, Wagemans, Cyrillus, GOEMINNE, G, Wagemans, Jan, DENECKE, B, LOISELET, M, ...
First experimental test of the UCN dispersion law (1998)
Bondarenko, I V, Balashov, S N, Cimmino, A, Geltenbort, P, Frank, A I, Hoghoj, P, ...
The neutron EDM experiment at the ILL (1998)
Harris, P G, May, D J R, Pendlebury, J M, Shiers, D, Smith, K F, ...
Performance of an atomic mercury magnetometer in the neutron EDM experiment (1998)
Green, K, Harris, P G, Iaydjiev, P, May, D J R, Pendlebury, J M, Smith, K F, ...
Determination of the U-234(n(th),f) cross-section and some underlying physics (1998)
Wagemans, Cyrillus, Wagemans, Jan, GELTENBORT, P, ZIMMER, O, GONNENWEIN, F
Performance of an atomic mercury magnetometer in the neutron EDM experiment (1997)
Green, K, Harris, P G, Iaydjiev, P, May, D J R, Pendlebury, J M, Smith, K F, ...
Spectral Evolution During Ultracold Neutron Storage (1997)
Steyerl, A., Malik, S., Geltenbort, P., Neumaier, S., Nesvizhevskii, V., Utsuro, M., ...
In a precision measurement of the spectrum of ultracold neutrons as it evolves during storage in a “neutron bottle" we have observed an indication of a surprising heating by ≈ 10-10 eV,...
Spectral Evolution During Ultracold Neutron Storage (1997)
Steyerl, A., Malik, S., Geltenbort, P., Neumaier, S., Nesvizhevskii, V., Utsuro, M., ...
In a precision measurement of the spectrum of ultracold neutrons as it evolves during storage in a “neutron bottle" we have observed an indication of a surprising heating by ≈ 10-10 eV,...
Spectral Evolution During Ultracold Neutron Storage (1997)
Steyerl, A., Malik, S., Geltenbort, P., Neumaier, S., Nesvizhevskii, V., Utsuro, M., ...
In a precision measurement of the spectrum of ultracold neutrons as it evolves during storage in a “neutron bottle" we have observed an indication of a surprising heating by ≈ 10-10 eV,...
Preparation, characterization and testing of implanted Ar-37-layers. (1997)
Wagemans, Cyrillus, LOISELET, M, BIEBER, R, DENECKE, B, REHER, D, GELTENBORT, P
The neutron electric dipole moment experiment in preparation at the ILL (1995)
Alterev, I S, Borisov, Yu V, Chibane, Y, Drexel, W, Heckel, B R, Green, K, ...
(n,p) and (n,a) cross-section measurements with astrophysical applications (1993)
Wagemans, Cyrillus, Druyts, Steven, WEIGMANN, H, BARTHELEMY, R, SCHILLEBEECKX, P, GELTENBORT, P
Destruction of `2`6Al in explosive nucleosynthesis. (1986)
Trautvetter, H.P., Becker, H.W., Heinemann, U., Buchmann, L., Rolfs, C., Kaeppeler, F., ...
Zeitschrift fuer Physik A, 323(1986) S.1-11
Die `2`6Al-Isotopenanomalie und die`2`6Al(n,p)`2`6Mg Reaktion. (1985)
Becker, H.W., Heinemann, U., Rolfs, C., Trautvetter, H.P., Geltenbort, P., Goennenwein, F., ...
49.Physikertagung gemeinsam mit der Fruehjahrstagung DPG, Kern- und Hochenergiephysik, Didaktik der Physik, Energietechnik - Physikalische Grundlagen, Vakuumtechnik, Computer in der Technischen...
The `2`6Al(n,p)-reaction. (1985)
Trautvetter, H.P., Becker, H.W., Heinemann, U., Rolfs, C., Kaeppeler, F., Geltenbort, P., ...
In: Quaim, S.M. [Hrsg.]
A mass spectrometer for fission fragments based on time-of-flight and energy measurements. (1984)
Oed, A., Geltenbort, P., Brissot, R., Goennenwein, F., Perrin, P., Aker, E., ...
Nuclear Instruments and Methods, 219(1984) S.569-74
A fast beam coaxial time pickoff system (1981)
Oed, A., Barreau, G., Goennenwein, F., Perrin, P., Ristori, C., Geltenbort, P.
A fast beam coaxial time pickoff system (1981)
Oed, A., Barreau, G., Goennenwein, F., Perrin, P., Ristori, C., Geltenbort, P.