Scientific Commons: H. Postma

Elemental compositions of Amerindian pottery figurines and two ancient bronze artefacts are given. Results suggest that the pre-Columbian figurines from Los Roques Archipelago, Venezuela, relate to...

Spin asymmetries for events with high $p_T$ hadrons in DIS and an evaluation of the gluon polarization (2004)

Adeva, B, Arik, A, Arvidson, A, Badelek, B, Baum, G, Berglund, P, ...

We present a measurement of the longitudinal spin cross section asymmetry for deep inelastic muon-nucleon interactions with two high transverse momentum hadrons in the final state. Two methods of...

Thorwart, M., Grifoni, Milena, Cuniberti, Gianaurelio, Postma, H., Dekker, Cees

We investigate correlated electronic transport in single-walled carbon nanotubes with two intramolecular tunneling barriers. We suggest that below a characteristic temperature the long-range nature...

Measurement of the SMC muon beam polarisation using the asymmetry in the elastic scattering off polarised electrons (1999)

Adams, D, Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, ...

A muon beam polarimeter was built for the SMC experiment at the CERN SPS, for beam energies of 100 and 190~GeV. The beam polarisation is determined from the asymmetry in the elastic scattering off...

Spin Asymmetries $A_1$ of the Proton and the Deuteron in the Low $x$ and Low $Q^2$ Region from Polarized High Energy Muon Scattering (1999)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Baum, G, Berglund, P, ...

We present the results of the spin asymmetries $A_1$ of the proton and the deuteron in the kinematic region extending down to $x=6\cdot 10^{-5}$ and $Q^2=0.01$ GeV$^2$. The data were taken with a...

A large streamer chamber muon tracking detector in a high-flux fixed-target application (1999)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

Arrays of limited streamer tubes of the Iarocci type were deployed in our experiment at CERN as part of a forward muon detector system with provisions for the beam to pass through the center of each...

The polarized double cell target of the SMC (1999)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

The polarized target of the Spin Muon Collaboration at CERN was used for deep inelastic muon scattering experiments during 1993 to 1996 with a polarized muon beam to investigate the spin structure of...

Search for parity violation in 93Nb neutron resonances (1999)

Sharapov, E.I., Bowman, J.D., Crawford, B.E., Delheij, P.P.J., Frankle, C.M., Fukuda, K., ...

A next-to-leading order QCD analysis of the spin structure function $g_1$ (1998)

Adeva, B, Akdogan, T, Arik, E, Badelek, B, Bardin, G, Baum, G, ...

We present a next-to-leading order QCD analysis of the presently available data on the spin structure function $g_1$ including the final data from the Spin Muon Collaboration (SMC). We present resu...

Spin Asymmetries $A_1$ and Structure Functions $g_1$ of the Proton and the Deuteron from Polarized High Energy Muon Scattering (1998)

Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, Bardin, G, ...

We present the final results of the spin asymmetries $A_1$ and the spin structure functions $g_1$ of the proton and the deuteron in the kinematic range $0.0008

Polarised quark distributions in the nucleon from semi-inclusive spin asymmetries (1997)

Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, Bardin, G, ...

We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the...

A Line-shape analysis for spin-1 NMR signals (1997)

Dulya, C M, Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, ...

The spin-dependent structure function $g_1(x)$ of the proton from polarized deep-inelastic muon scattering (1997)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Bardin, G, Baum, G, ...

We present a new measurement of the virtual photon proton asymmetry $A_1^{\rm p}$ from deep inelastic scattering of polarized muons on polarized protons in the kinematic range $0.0008 < x < 0.7$ and...

Measurement of proton and nitrogen polarization in ammonia and a test of equal spin temperature (1997)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Baum, G, Berglund, P, ...

The 1996 data taking of the SMC experiment used polarized protons to measure the spin dependent structure function $g_1$ of the proton. Three liters of solid granular ammonia were irradiated at the...

Spin structure of the proton from polarized inclusive deep-inelastic muon-proton scattering (1997)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

We have measured the spin-dependent structure function $g_1^{\rm p}$ in inclusive deep-inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003 < x < 0.7$ and...

The spin-dependent structure function $g_{1}(x)$ of the deuteron from polarized deep-inelastic muon scattering (1997)

Adams, D, Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, ...

We present a new measurement of the spin-dependent structure function $g_1^{\rm d}$ of the deuteron from deep inelastic scattering of $190~\mbox{GeV}$ polarized muons on polarized deuterons. The...

The CPLEAR detector at CERN (1996)

Adler, R, Albrecht, W, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, ...

The CPLEAR collaboration has constructed a detector at CERN for an extensive programme of CP-, T- and CPT-symmetry studies using ${\rm K}^0$ and $\bar{\rm K}^0$ produced by the annihilation of...

Observation of the CP-conserving K$_{S}$ --> $\pi^{+}\pi^{- }\pi^{0}$ decay amplitude (1996)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Aspostolakis, A, Aslanides, Elie, Backenstoss, Gerhard, ...

The interference between CP-conserving $\ks$ and $\kl \rightarrow \threepi$ decay amplitudes was observed by studying the decay rate asymmetries between initial $\ko$ and $\kob$ separately for the...

Polarisation of valence and non-strange sea quarks in the nucleon from semi-inclusive spin asymmetries (1996)

Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, Bardin, G, ...

We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the...

Search for CP-violation in the decay of neutral kaons to $\pi^{+}\pi^{- }\pi^{0}$ (1996)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

The time-dependent rate asymmetry of initial \ko and \kob decaying into \threepi was measured in order to reveal the CP-violating amplitude of the \ks \rightarrow \threepi decay. For the real and the...

Invloeden van de mens op het klimaat. (1996)

Schuurmans, C.J.E., Goudriaan, J., Guicherit, R., Mook, W.G., Oerlemans, J., ...

Resonance neutron capture studies. (1996)

Corvi, F., Athanassopulos, K., Beer, H., Mutti, P., Postma, H., Zanini, L.

14th Internat.Conf.on the Application of Accelerators in Research and Industry, Denton, Tex., November 6-9, 1996

First observation of a particle-antiparticle asymmetry in the decay of neutral kaons into $\pi^{0}\pi^{0}$ (1995)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

Measurement of the CP violation parameter $\eta_{\pm}$ using tagged K$^{0}$ and $\overline{K}^{0}$ (1995)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

Measurement of K$_{L}$-K$_{S}$ mass difference using semileptonic decays of tagged neutral kaons (1995)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

A new measurement of the spin-dependent structure function $g_{1}(x)$ of the deuteron (1995)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

Enhancement of nuclear polarization with frequency modulated microwaves (1995)

Adeva, B, Arik, E, Ahmad, S, Arvidson, A, Badelek, B, Ballintijn, M K, ...

Spin asymmetry in muon-proton deep inelastic scattering on a transversely-polarized target (1994)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

We measured the spin asymmetry in the scattering of 100 GeV longitudinally-polarized muons on transversely polarized protons. The asymmetry was found to be compatible with zero in the kinematic range...

The study of the CP, T and CPT symmetries in the CPLEAR experiment (1994)

Yéche, C, Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, ...

Inclusive measurement of $\overline{p}$ annihilation at rest in gaseous hydrogen to final states containing $\varrho$ and f$_{2}$ (1994)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

Bose-Einstein correlations in $\overline{p}$p annihilations at rest (1994)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

Measurement of the spin-dependent structure function g$_{1}$(x) of the proton (1994)

Adams, D, Adeva, B, Arik, E, Arvidson, A, Badelek, B, Ballintijn, M K, ...

Abstract : We have measured the spin-dependent structure function g_1^p of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range 0.003

Measurement of the deuteron polarization in a large target (1994)

Adeva, B, Ahmad, S, Arvidson, A, Badelek, B, Ballintijn, M K, Bardin, G, ...

Measurement of the polarisation of a high-energy muon beam (1993)

Adeva, B, Ahmad, S, Arvidson, A, Badelek, B, Ballintijn, M K, Bardin, G, ...

Combined analysis of world data on nucleon spin structure functions (1993)

Adeva, B, Ahmad, S, Arvidson, A, Badelek, B, Ballintijn, M K, Bardin, G, ...

Measurement of the spin-dependent structure function g$_{1}$(x) of the deuteron (1993)

Adeva, B, Ahmad, S, Arvidson, A, Badelek, B, Ballintijn, M K, Bardin, G, ...

First determination of CP violation parameters from K$^{0}$ - $\overline{K}^{0}$ decay asymmetry (1992)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

Time-resolved and time-integral on-line nuclear orientation measurements of neutron deficient Hg-Au-Pt-Ir nuclei (1992)

Romanski, J, Berkès, I, Brown, D E, De Jésus, M, Eder, R, Grant, I S, ...

Parity nonconservation for neutron resonances in 238U (1992)

Zhu, X., Bowman, J.D., Bowman, C.D., Bush, J.E., Delheij, P.P.J., Frankle, C.M., ...

First results from CP-LEAR: study of CP-violation and CPT tests using K$^{0}$-$\overline{K}^{0}$ interferometry (1991)

Adler, R, Alhalel, T, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, ...

Determination of the relative branching ratios for p$\overline{p}$ --> $\pi^{+}\pi^{-}$ and p$\overline{p}$ --> K$^{+}$K$^{-}$ (1991)

Adler, R, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, Bee, C P, ...

Nuclear orientation at ISOLDE/CERN (1990)

Schlösser, K, Berkès, I, Hagn, E, Herzog, P, Niinikoski, T O, Postma, H, ...

PARITY VIOLATION IN 239U NEUTRON RESONANCES (1990)

PenttilÄ, S., Bowman, C., Bush, J., Delheij, P., Frankle, C., Gould, C., ...

Parity nonconservation was studied in 239U by measuring the helicity dependence of the p-wave resonance cross section for epithermal neutrons scattered from 238U. A statistical approach was used to...

PARITY VIOLATION IN 239U NEUTRON RESONANCES (1990)

PenttilÄ, S., Bowman, C., Bush, J., Delheij, P., Frankle, C., Gould, C., ...

Parity nonconservation was studied in 239U by measuring the helicity dependence of the p-wave resonance cross section for epithermal neutrons scattered from 238U. A statistical approach was used to...

Brute-force orientation of hf-178m2 and magnetic-moments of hf-178m1 and hf-178m2 (1989)

Postma, H, Kastelein, B, Vandeplassche, D, Vanhaverbeke, J, Vanneste, Ludo; U0014891, ...

Neutron-nucleus spin-spin interaction in the low MeV range. (1983)

Heeringa, W., Postma, H.

Physical Review C, 27(1983) S.2012-18

Brute-force polarized protons. (1983)

Aures, R., Heeringa, W., Maschuw, R., Schmidt, F.K., Postma, H.

6th Internat.Conf.on Hyperfine Interactions, Groningen, NL, July 4-8, 1983

NUCLEAR ORIENTATION ; FROM AN EXOTIC TO A MATURED METHOD IN NUCLEAR PHYSICS (1974)

Postma, H.

Nuclear orientation has been applied in nuclear physics for over two decades. It started as a somewhat exotic demonstration in nuclear spectroscopy, but it has evolved to a useful technique in...

Beta and gamma emission from oriented nuclei (1960)

Postma, H.

H. Postma

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