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NSR database version of May 21, 2024.

Search: Author = W.Leo

Found 27 matches.

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1989HA25      Phys.Rev. D40, 22 (1989)

R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, Y.Onel, D.Rapin

Direct Experimental Reconstruction of the pp Elastic Scattering Amplitudes between 447 and 579 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=447-579 MeV; calculated scattering amplitudes. Direct experimental reconstruction.

doi: 10.1103/PhysRevD.40.22
Citations: PlumX Metrics


1989ON01      Phys.Rev. D40, 35 (1989)

Y.Onel, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, D.Rapin, S.Jaccard, S.Mango

Elastic p(pol)p(pol) Scattering between 240 and 470 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=240-470 MeV; measured polarization, two-, three-spin parameters. Polarized butanol target.

doi: 10.1103/PhysRevD.40.35
Citations: PlumX Metrics


1989SA30      Helv.Phys.Acta 62, 924 (1989)

C.Sahraoui, P.Strasser, W.R.Leo, M.Schaer

Development of Deuteron-Recoil Spectrometer for Fast Neutron Spectrum Measurements

RADIOACTIVITY 252Cf(SF); measured relative I(n). NE-230 spectrometer. PuBe source spectrum also given.


1988LA02      Nucl.Phys. B297, 653 (1988)

C.D.Lac, J.Ball, J.Bystricky, P.Chaumette, J.Deregel, J.Fabre, F.Lehar, A.de Lesquen, L.van Rossum, J.M.Fontaine, F.Perrot, W.R.Leo, Y.Onel, H.Azaiez, A.Michalowicz, A.Penzo

Measurement of the Spin Correlation Parameters A(oosk) and A(ookk) in pp Elastic Scattering at 0.84 and 1.0 GeV

NUCLEAR REACTIONS 1H(polarized p, p), E=0.834, 0.995 GeV; measured spin correlation parameter. Frozen spin polarized target.

doi: 10.1016/0550-3213(88)90552-4
Citations: PlumX Metrics


1987CA14      Helv.Phys.Acta 60, 398 (1987)

G.Cantale, P.Bach, S.Degli-Agosti, Ph.Demierre, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, Y.Onel, Ph.Sormani, D.Rapin, P.Y.Rascher, S.Jaccard

Measurement of the Deuteron Tensorial and Vectorial Polarization. Complete Experimental Reconstruction of the Scattering Amplitudes in the Reaction pp → dπ+ at 447, 515 and 580 MeV

NUCLEAR REACTIONS 1H(p, π+), 1H(polarized p, π+), E=447, 515, 580 MeV; measured vector, tensor deuteron polarization; deduced scattering amplitudes, analyzing powers. Polarized, upolarized target, telescopes. Theoretical calculations.


1986AP02      Phys.Rev. D34, 2566 (1986)

E.Aprile, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, S.Morenzoni, Y.Onel, D.Rapin, P.Y.Rascher, S.Jaccard, J.A.Konter, S.Mango

Measurements of Double- and Triple-Spin Parameters in pp Elastic Scattering between 440 and 560 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=447, 473, 497, 517, 539, 560 MeV; measured polarization, two-spin, three-spin parameters vs θ. Multi-wire proportional chambers, scintillation counter, polarized butanol target.

doi: 10.1103/PhysRevD.34.2566
Citations: PlumX Metrics


1986BA46      Helv.Phys.Acta 59, 1186 (1986)

P.Bach, G.Cantale, S.Degli-Agosti, Ph.Demierre, E.Heer, R.Hess, C.Lechanoine-LeLuc, W.R.Leo, Ph.Sormani, Y.Onel, D.Rapin, P.Y.Rascher, S.Jaccard

Complete Experimental Reconstruction of the Scattering Amplitudes in the Reaction pp → πd at 447, 515 and 580 MeV

NUCLEAR REACTIONS 1H(p, π+), E=447, 515, 580 MeV; measured vector, tensor deuteron polarization; deduced scattering amplitudes.


1986PE17      Nucl.Phys. B278, 881 (1986)

F.Perrot, H.Azaiez, J.Ball, J.Bystricky, P.Chaumette, Ph.Chesny, J.Deregel, J.Fabre, J.M.Fontaine, J.Gosset, F.Lehar, W.R.Leo, A.De Lesquen, C.R.Newsom, Y.Onel, A.Penzo, L.van Rossum, T.Siemiarczuk, J.Vrzal, C.A.Whitten, J.Yonnet

Measurement of the Total Cross Section Difference Δσ(T)(pp) in the Energy Range from 0.43 to 2.4 GeV

NUCLEAR REACTIONS 1H(polarized p, p), E=0.43-2.4 GeV; measured total σ difference for transverse beam, target spins parallel, antiparallel; deduced structure. Polarimeter, Gray code detector, polarized target.

doi: 10.1016/0550-3213(86)90423-2
Citations: PlumX Metrics


1985AR06      Nucl.Instrum.Methods 235, 523 (1985)

M.Arigon, H.Azaiez, J.Bystricky, J.Deregel, P.Drompt, J.M.Fontaine, J.Gosset, T.Hasegawa, E.Heer, R.Hess, F.Lehar, W.Leo, A.Martin, S.Morenzoni, C.R.Newsom, Y.Onel, A.Penzo, F.Perrot, D.Rapin, T.Siemiarczuk, J.E.Simmons, L.Van Rossum, P.Veluard, J.Vrzal, C.A.Whitten, Jr., J.Yonnet

Novel Transmission Detector Used for Total Cross Section Measurements

NUCLEAR REACTIONS 1H(polarized p, p), (polarized p, π+), E=0.775-2.43 GeV; measured total σ difference, spin correlation parameter. New transmission detector.


1985BY03      Nucl.Instrum.Methods 239, 131 (1985)

J.Bystricky, J.Deregel, F.Lehar, A.De Lesquen, L.Van Rossum, J.M.Fontaine, F.Perrot, C.A.Whitten, Jr., T.Hasegawa, C.R.Newsom, W.R.Leo, Y.Onel, S.Dalla Torre-Colautti, A.Penzo, H.Azaiez, A.Michalowicz

A Proton and Neutron Beam Polarimeter at Saturne II

NUCLEAR REACTIONS 1H(polarized p, p), E=0.4-2.8 GeV; measured analyzing power vs E, θ; deduced (n, p) analyzing power calibration. Beam polarimeter using CH2, C targets.

doi: 10.1016/0168-9002(85)90708-9
Citations: PlumX Metrics


1984AP01      Nucl.Phys. A415, 365 (1984)

E.Aprile, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, S.Morenzoni, Y.Onel, D.Rapin, G.H.Eaton, S.Jaccard, S.Mango

Spin Correlations and Analyzing Powers in pp → π+d between 447 and 578 MeV

NUCLEAR REACTIONS 1H(polarized p, π+), E=447-578 MeV; measured analyzing power, spin correlation parameters vs θ. Polarized frozen butanol droplet target, simiultaneous pion, deuteron identification.

doi: 10.1016/0375-9474(84)90307-5
Citations: PlumX Metrics


1984AP02      Nucl.Phys. A415, 391 (1984)

E.Aprile-Giboni, G.Cantale, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, Y.Onel, D.Rapin

A Direct Reconstruction of the Scattering Amplitudes for the Reaction pp → πd at 90° and 0° c.m. between 447 and 578 MeV

NUCLEAR REACTIONS 1H(polarized p, π+), E=447-578 MeV; analyzed analyzing power, spin correlation parameter data; deduced deuteron tensor polarization, scattering amplitudes.

doi: 10.1016/0375-9474(84)90308-7
Citations: PlumX Metrics


1984AP05      Nucl.Phys. A431, 637 (1984)

E.Aprile-Giboni, J.Bystricky, J.Deregel, Ph.Drompt, C.Eisenegger, J.M.Fontaine, E.Heer, R.Hess, S.Jaccard, F.Lehar, W.R.Leo, S.Mango, S.Morenzoni, Y.Onel, F.Perrot, D.Rapin, J.Vrzal, J.Yonnet

Measurement of Δσ(L) in pp Scattering between 200 and 583 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=595 MeV; measured spin-dependent σ, spin correlation parameter. 1H(polarized p, π), E=401, 425 MeV; measured spin correlation parameter; deduced three-body reaction role.

doi: 10.1016/0375-9474(84)90273-2
Citations: PlumX Metrics


1984BY05      Lett.Nuovo Cim. 41, 285 (1984)

J.Bystricky, J.Deregel, F.Lehar, A.De Lesquen, L.van Rossum, J.M.Fontaine, F.Perrot, T.Hasegawa, C.R.Newsom, W.Leo, Y.Onel, A.Michalowicz, A.Penzo, A.Villari

Analyzing Power of Reaction p(pol)C → p'X from 0.52 to 2.8 GeV

NUCLEAR REACTIONS 12C(polarized p, p'X), E=0.52-2.8 GeV; measured inclusive proton analyzing power vs θ.

doi: 10.1007/BF02748362
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1546.


1984BY06      Nuovo Cim. 82A, 385 (1984)

J.Bystricky, J.Deregel, F.Lehar, J.M.Fontaine, F.Perrot, C.Lechanoine-Leluc, W.R.Leo, Y.Onel, C.R.Newsom, J.Yonnet, A.Penzo, P.Winternitz

Structure in Proton-Proton Scattering at Intermediate Energies

NUCLEAR REACTIONS 1H(polarized p, p), E ≤ 2.5 GeV; calculated spin-dependent σ(E), spin correlation parameter (θ=90°) vs E.

doi: 10.1007/BF02813512
Citations: PlumX Metrics


1983AP01      Phys.Rev. D28, 21 (1983)

E.Aprile, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, S.Morenzoni, Y.Onel, D.Rapin, S.Mango

Measurements of the Spin-Correlation Parameters A(00kk), A(00ks), and A(00ss) in p - p Elastic Scattering between 400 and 600 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=400-600 MeV; measured spin correlation parameters. Longitudinal transverse beam polarization, horizontally polarized butanol target. Phase shift analysis.

doi: 10.1103/PhysRevD.28.21
Citations: PlumX Metrics


1983AP02      Nucl.Instrum.Methods 215, 147 (1983)

E.Aprile-Giboni, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Le Luc, W.Leo, S.Morenzoni, Y.Onel, D.Rapin

Proton-Carbon Effective Analyzing Power betwen 95 and 570 MeV

NUCLEAR REACTIONS C(polarized p, p), E=95-570 MeV; measured effective A(θ). Thick Targets.


1983AP03      Helv.Phys.Acta 56, 979 (1983)

E.Aprile, G.Cantale, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Le Luc, W.R.Leo, S.Morenzoni, Y.Onel, D.Rapin, G.Eaton, S.Jaccard, S.Mango

An Ensemble of Polarization Parameters for the Reactions pp → πd at Five Energies between 440 and 580 MeV

NUCLEAR REACTIONS 1H(polarized p, π), E=440-580 MeV; measured asymmetry, spin correlation parameter. Deuteron recoil, polarized target.


1982AP01      Nucl.Phys. A379, 369 (1982)

E.Aprile, D.Besset, Q.H.Do, B.Favier, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, S.Morenzoni, Y.Onel, D.Rapin, J.M.Cameron, S.Jaccard, S.Mango

p(pol) + P(pol) → π+ d at 515 and 578 MeV

NUCLEAR REACTIONS H(polarized p, π), E=515, 578 MeV; measured spin correlation parameter, polarization asymmetries vs θ. Polarized target.

doi: 10.1016/0375-9474(82)90002-1
Citations: PlumX Metrics


1982AP02      Helv.Phys.Acta 55, 236 (1982)

E.Aprile, G.Cantale, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.Leo, S.Morenzoni, Y.Onel, D.Rapin, S.Mango

Polarization Parameters in pp Elastic Scattering between 448 and 579 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=448, 497, 517, 539, 579 MeV; measured polarization, spin polarization transfer, spin correlation, spin tensor vs θ.


1982AP03      Helv.Phys.Acta 55, 237 (1982)

E.Aprile, G.Cantale, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.Leo, S.Morenzoni, Y.Onel, D.Rapin, S.Mango

Direct Experimental Reconstruction of the pp Elastic Scattering Matrix at 579 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=579 MeV; analyzed polarization parameter, related data; deduced amplitude.


1981AP01      Helv.Phys.Acta 54, 311 (1981)

E.Aprile, C.Eisenegger, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, S.Mango, S.Morenzoni, Y.Onel, D.Rapin

A Direct Experimental Reconstruction of the pp Elastic Scattering

NUCLEAR REACTIONS 1H(polarized p, p), E=579 MeV; measured P(θ), transfer, correlation parameters.


1980AP01      Nucl.Phys. A335, 245 (1980)

E.Aprile, R.Hausammann, E.Heer, R.Hess, C.Lechanoine, W.Leo, Y.Onel, D.Rapin, J.Cameron, S.Jaccard, S.Mango

Study of the Reaction pp → π+d with a Polarized Beam and Target

NUCLEAR REACTIONS 1H(polarized p, π+), E=515, 578 MeV; measured σ(θ), spin dependent parameters.

doi: 10.1016/0375-9474(80)90182-7
Citations: PlumX Metrics


1980AP03      Helv.Phys.Acta 53, 293 (1980)

E.Aprile, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Le Luc, W.Leo, Y.Onel, D.Rapin, S.Mango

Study of the Reaction pp → π+d with a Polarized Beam and Target between 500 and 600 MeV

NUCLEAR REACTIONS 1H(polarized p, π+), E=578, 536, 514, 494 MeV; measured spin correlation parameters. Polarized butanol target.


1980AP04      Helv.Phys.Acta 53, 294 (1980)

E.Aprile, R.Hausammann, E.Heer, C.Lechanoine-Le Luc, W.Leo, Y.Onel, D.Rapin, S.Mango

Measurement of the Spin-Correlation Parameters A(00kk), A(00ks) and A(00ss) in the p - p Elastic Scattering between 400 and 600 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=400-600 MeV; measured spin correlation parameters. Polarized butanol target.


1980BE34      Nucl.Phys. A345, 435 (1980)

D.Besset, Q.H.Do, B.Favier, R.Hausammann, E.Heer, R.Hess, C.Lechanoine-Leluc, W.R.Leo, D.Rapin, D.W.Werren, Ch.Weddigen, J.M.Cameron, S.Jaccard, S.Mango

Measurement of the Spin Correlation Parameter A(00nn) and the Polarization A(00n0) in Elastic p-p Scattering Between 400 and 600 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=396, 446, 470, 515, 537, 557, 578 MeV; measured spin correlation parameter, polarization parameter vs E, θ. Polarized target.

doi: 10.1016/0375-9474(80)90349-8
Citations: PlumX Metrics


1975CL04      Phys.Rev.Lett. 35, 757 (1975)

B.T.Cleveland, W.R.Leo, C.S.Wu, L.R.Kasday, A.M.Rushton, P.J.Gollon, J.D.Ullman

Lepton Conservation in the Double β Decay of 82Se

RADIOACTIVITY 82Se; measured T1/2 of the lepton-nonconserving nutrinoless double β decay mode.

doi: 10.1103/PhysRevLett.35.757
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter W.Leo: , W.R.LEO