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NSR database version of April 24, 2024.

Search: Author = D.Kolev

Found 26 matches.

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2009BU02      Phys.Rev. C 79, 012201 (2009)

A.Budzanowski, A.Chatterjee, P.Hawranek, R.Jahn, B.K.Jain, V.Jha, S.Kailas, K.Kilian, S.Kliczewski, Da.Kirillov, Di.Kirillov, D.Kolev, M.Kravcikova, M.Lesiak, J.Lieb, L.C.Liu, H.Machner, A.Magiera, R.Maier, G.Martinska, S.Nedev, N.Piskunov, D.Protic, J.Ritman, P.von Rossen, B.J.Roy, P.Shukla, I.Sitnik, R.Siudak, R.Tsenov, J.Urban, G.Vankova, and the COSY-GEM Collaboration

Search for η-mesic nuclei in a recoil-free transfer reaction

NUCLEAR REACTIONS 27Al(p, 3HeX), E=1745 MeV/c; measured 3He spectra, deduced missing mass spectrum.

doi: 10.1103/PhysRevC.79.012201
Citations: PlumX Metrics

2009BU06      Nucl.Phys. A821, 193 (2009)

A.Budzanowski, A.Chatterjee, R.Gebel, P.Hawranek, R.Jahn, V.Jha, K.Kilian, S.Kliczewski, Da.Kirillov, Di.Kirillov, D.Kolev, M.Kravcikova, M.Lesiak, J.Lieb, H.Machner, A.Magiera, R.Maier, G.Martinska, S.Nedev, N.Piskunov, D.Prasuhn, D.Protic, J.Ritman, P.von Rossen, B.J.Roy, I.Sitnik, R.Siudak, R.Tsenov, J.Urban, G.Vankova, C.Wilkin, and the GEM Collaboration

Cross section and tensor analysing power of the dd → ηα reaction near threshold

doi: 10.1016/j.nuclphysa.2009.02.004
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1732.

2009BU08      Phys.Rev. C 79, 061001 (2009)

A.Budzanowski, A.Chatterjee, P.Hawranek, F.Hinterberger, R.Jahn, V.Jha, K.Kilian, Da.Kirillov, Di.Kirillov, S.Kliczewski, D.Kolev, M.Kravcikova, M.Lesiak, J.Lieb, H.Machner, A.Magiera, R.Maier, G.Martinska, S.Nedev, J.A.Niskanen, N.Piskunov, D.Protic, J.Ritman, P.von Rossen, B.J.Roy, I.Sitnik, R.Siudak, H.J.Stein, R.Tsenov, J.Urban, G.Vankova, C.Wilkin, and the COSY-GEM Collaboration

Precision measurements of the pp → π+pn and pp → π+d reactions: Importance of long-range and tensor force effects

NUCLEAR REACTIONS p(p, X), (p, π+)d, (p, π+)pn, E=401, 601, 951 MeV; measured forward differential cross sections for pion production; deduced normalization factor for the deuteron- and pn-outgoing channels using the Faldt-Wilkin theorem.

doi: 10.1103/PhysRevC.79.061001
Citations: PlumX Metrics

2006MA49      Acta Phys.Slovaca 56, 227 (2006)

H.Machner, M.Abdel-Bary, A.Budzanowski, A.Chatterjee, J.Ernst, P.Hawranek, R.Jahn, V.Jha, K.Kilian, S.Kliczewski, Da.Kirillov, Di.Kirillov, D.Kolev, M.Kravcikova, T.Kutsarova, M.Lesiak, J.Lieb, H.Machner, A.Magiera, R.Maier, G.Martinska, S.Nedev, N.Piskunov, D.Prasuhn, D.Protic, P.von Rossen, B.J.Roy, I.Sitnik, R.Siudak, R.Tsenov, M.Ulicny, J.Urban, G.Vankova, C.Wilkin, and the GEM Collaboration

The η meson physics program at GEM

2005AB01      Phys.Lett. B 610, 31 (2005)

M.Abdel-Bary, A.Budzanowski, A.Chatterjee, J.Ernst, P.Hawranek, F.Hinterberger, V.Jha, K.Kilian, S.Kliczewski, D.Kirillov, D.Kolev, M.Kravcikova, T.Kutsarova, M.Lesiak, J.Lieb, H.Machner, A.Magiera, R.Maier, G.Martinska, S.Nedev, J.Niskanen, N.Piskunov, D.Prasuhn, D.Protic, P.von Rossen, B.J.Roy, I.Sitnik, R.Siudak, M.Smiechowicz, R.Tsenov, M.Ulicny, J.Urban, G.Vankova, C.Wilkin, and the GEM Collaboration

Detailed comparison of the pp → π+ pn and pp → π+d reactions at 951 MeV

NUCLEAR REACTIONS 1H(p, pπ+), (p, π+), E=951 MeV; measured missing mass spectra, σ; deduced D-state effects.

doi: 10.1016/j.physletb.2005.01.100
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0819.

2003AB02      Phys.Lett. B 553, 31 (2003)

S.Abdel-Samad, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, D.Frekers, P.Hawranek, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, M.Kravcikova, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, G.Martinska, H.Nann, L.Pentchev, D.Protic, P.von Rossen, B.J.Roy, R.Siudak, A.Strzalkowski, R.Tsenov, M.Ulicny, J.Urban, K.Zwoll

Isospin symmetry breaking and scaling observed in pion production in p+d reactions

NUCLEAR REACTIONS 2H(p, π0), (p, π+), E at 900-1050 MeV/c; measured σ, σ(θ), σ(E); deduced scale parameter, isospin symmetry breaking, related features.

doi: 10.1016/S0370-2693(02)03166-0
Citations: PlumX Metrics

2003AB16      Phys.Scr. T104, 88 (2003)

S.Abdel-Samad, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, D.Frekers, P.Hawranek, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, M.Kravcikova, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, G.Martinska, H.Nann, L.Pentchev, D.Protic, P.von Rossen, B.J.Roy, R.Siudak, M.Ulicny, A.Strzakowski, R.Tsenov, J.Urban, K.Zwoll

Simultaneous Measurements of p + d → 3He + π0 and p + d → 3H + π+ Reactions with the GEM detector

NUCLEAR REACTIONS 2H(p, π0), (p, π+), E at 750-1050 MeV/c; measured σ(θ); deduced slope parameters.

doi: 10.1238/Physica.Topical.104a00088
Citations: PlumX Metrics

2003AB20      Phys.Rev. C 68, 021603 (2003)

M.Abdel-Bary, P.Hawranek, J.Ilieva, K.Kilian, D.Kirilov, St.Kistryn, S.Kliczewski, W.Klimala, D.Kolev, M.Kravcikova, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, G.Martinska, L.Pentchev, N.Piskunov, P.von Rossen, B.J.Roy, I.Sitnik, R.Siudak, J.Smyrski, R.Tsenov, M.Ulicny, J.Urban, A.Wronska

π0 - η meson mixing in pd → 3Hπ+/3Heπ0 reactions

NUCLEAR REACTIONS 2H(p, π+), (p, π0), E at 1.56-1.70 GeV/c; measured σ(θ); deduced isospin symmetry breaking effects, π0-η mixing angle value.

doi: 10.1103/PhysRevC.68.021603
Citations: PlumX Metrics

2003AB30      Eur.Phys.J. A 18, 367 (2003)

S.Abdel-Samad, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, D.Frekers, P.Hawranek, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, M.Kravcikova, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, G.Martinska, H.Nann, L.Pentchev, D.Protic, P.von Rossen, B.J.Roy, R.Siudak, A.Strzalkowski, R.Tsenov, M.Ulicny, J.Urban, K.Zwoll

Study of p + d → 3A + π reactions in the Δ-resonance region

NUCLEAR REACTIONS 2H(p, π0), (p, π+), E at 900-1050 MeV/c; measured σ, σ(θ); deduced slope parameters, reaction mechanism features.

doi: 10.1140/epja/i2002-10286-2
Citations: PlumX Metrics

2002BE46      Phys.Rev. C65, 064001 (2002)

M.Betigeri, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, L.Freindl, D.Frekers, W.Garske, K.Grewer, A.Hamacher, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, R.Maier, H.Nann, J.Niskanen, D.Prasuhn, L.Pentchev, D.Protic, B.Razen, P.von Rossen, B.J.Roy, R.Siudak, A.Strzalkowski, R.Tsenov, K.Zwoll

Measurement of the pp → ppπ0 Reaction at 850 MeV/c and Partial Wave Cross Sections

NUCLEAR REACTIONS 1H(p, pπ0), E at 850 MeV/c; measured missing mass, σ(E); deduced σ. Comparison with previous results, model predictions.

doi: 10.1103/PhysRevC.65.064001
Citations: PlumX Metrics

2001BE13      Phys.Rev. C63, 044011 (2001)

M.Betigeri, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, L.Freindl, D.Frekers, W.Garske, K.Grewer, A.Hamacher, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, H.Nann, L.Pentchev, D.Protic, B.Razen, P.von Rossen, B.J.Roy, R.Siudak, A.Strzalkowski, R.Tsenov, K.Zwoll

Differential Cross Sections Measurement for the pp → dπ+ Reaction at 850 MeV/c

NUCLEAR REACTIONS 1H(p, π+), E at 850 MeV/c; measured missing mass spectra, σ, σ(q), anisotropy. Comparison with earlier data and with phase-shift calculations.

doi: 10.1103/PhysRevC.63.044011
Citations: PlumX Metrics

2001BE35      Nucl.Phys. A690, 473 (2001)

M.Betigeri, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, L.Freindl, D.Frekers, W.Garske, K.Grewer, A.Hamacher, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, H.Nann, L.Pentchev, H.S.Plendl, D.Protic, B.Razen, P.von Rossen, B.J.Roy, R.Siudak, J.Smyrski, R.V.Srikantiah, A.Strzalkowski, R.Tsenov, K.Zwoll, and the GEM Collaboration

Simultaneous Measurements of the p + d → (A = 3) + π Reactions

NUCLEAR REACTIONS 2H(p, π+), (p, π0), E at 750, 800, 850 MeV/c; measured pion missing mass distributions, σ(θ), total σ; deduced isospin symmetry conservation features. Simultaneous measurement, comparisons with previous results and model predictions.

doi: 10.1016/S0375-9474(00)00699-0
Citations: PlumX Metrics

2001BE37      Nucl.Phys. A689, 398c (2001)

M.Betigeri, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, L.Freindl, D.Frekers, W.Garske, K.Grewer, A.Hamacher, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, H.Nann, L.Pentchev, H.S.Plendl, D.Protic, B.Razen, P.von Rossen, B.J.Roy, R.Siudak, A.Strzalkowski, R.Tsenov, K.Zwoll, and the GEM Collaboration

Meson Production in p + d Reactions

NUCLEAR REACTIONS 2H(p, X)3He, E not given; measured η meson production σ(θ). 2H(p, π0), E at 850, 1050 MeV/c; measured σ(θ). Comparisons with model predictions.

doi: 10.1016/S0375-9474(01)00864-8
Citations: PlumX Metrics

2000BE15      Nucl.Phys. A663-664, 963c (2000)

M.Betigeri, J.Bojowald, A.Budzanowski, A.Chatterjee, J.Ernst, L.Freindl, D.Frekers, W.Garske, K.Grewer, A.Hamacher, J.Ilieva, L.Jarczyk, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, J.Lieb, H.Machner, A.Magiera, H.Nann, L.Pentchev, H.S.Plendl, D.Protic, B.Razen, P.von Rossen, B.J.Roy, R.Siudak, A.Strazalkowski, R.Tsenov, K.Zwoll, and the GEM Collaboration

Test of Charge Independence in p + d → (A = 3) + Pion Reactions

NUCLEAR REACTIONS 2H(p, π+), (p, π0), E at 850 MeV/c; measured σ(θ); deduced ratio. Simultaneous measurement.

doi: 10.1016/S0375-9474(99)00808-8
Citations: PlumX Metrics

1999BE35      Nucl.Instrum.Methods Phys.Res. A426, 249 (1999)

M.G.Betigeri, J.Bojowald, A.Budzanowski, A.Chatterjee, M.Drochner, J.Ernst, S.Fortsch, L.Freindl, D.Frekers, W.Garske, K.Grewer, A.Hamacher, M.Hawash, S.Igel, I.Ilieva, R.Jahn, L.Jarczyk, G.Kemmerling, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, B.J.Lieb, G.Lippert, H.Machner, A.Magiera, R.Maier, H.Nann, H.S.Plendl, D.Protic, B.Razen, P.von Rossen, B.Roy, R.Siudak, J.Smyrski, A.Strzalkowski, R.Tsenov, P.A.Zolnierczuk, K.Zwoll, and the GEM Collaboration

Precise Momentum Determination of the External COSY Proton Beam Near 1930 MeV/c

NUCLEAR REACTIONS 1H(p, π+), E at 1930.5 MeV/c; measured pion, deuteron momenta; deduced absolute beam momentum.

doi: 10.1016/S0168-9002(99)00014-5
Citations: PlumX Metrics

1998KO05      J.Phys.(London) G24, 589 (1998)

D.Kolev, J.Ernst

The Role of Angular-Momentum Removal in Photonuclear Reactions as Deduced from the Isomeric Ratios for 120m,120gSb and 117m,117gIn

NUCLEAR REACTIONS 118Sn(γ, p), 121Sb(γ, n), E=18 MeV bremsstrahlung; 118Sn(γ, p), 119Sn(γ, np), 121Sb(γ, n), (γ, α), 123Sb(γ, 3n), (γ, 2nα), E=43 MeV bremsstrahlung; analyzed isomeric yield ratios; deduced role of angular momentum removal in pre-equilibrium emission.

doi: 10.1088/0954-3899/24/3/010
Citations: PlumX Metrics

1998KO24      Appl.Radiat.Isot. 49, 989 (1998)

D.Kolev

Studies of Some Isomeric Yield Ratios Produced with Bremsstrahlung

NUCLEAR REACTIONS 55Mn, 89Y, 113In(γ, 3n), Zr(γ, xn)89Zr, In(γ, xn)111In/112In, 154Sm, 180Hf(γ, np), 153Eu(γ, n), 179Hf(γ, p), Hf(γ, xnp)178Lu, E=43 MeV bremsstrahlung; measured isomeric yield ratios; deduced role of nonequilibrium particle emission. Comparison with statistical model calculations. Activation technique.

doi: 10.1016/S0969-8043(97)10094-X
Citations: PlumX Metrics

1998MU20      Phys.Scr. 58, 319 (1998)

S.Mukherjee, A.K.Sharma, D.Bakhru, N.L.Singh, D.Kolev

Pre-Equilibrium Alpha and Nucleon Emission in 59Co(α, zαypxn) Reactions

NUCLEAR REACTIONS 59Co(α, n2p), (α, nα), (α, 2nα), (α, 3nα), (α, n2α), (α, 3n2α), (α, 3np2α), (α, n3p), (α, 5np), (α, 6np), E=20-120 MeV; measured excitation functions. Stacked-foil activation technique.

doi: 10.1088/0031-8949/58/4/007
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1231.

1998NE03      Yad.Fiz. 61, No 9, 1555 (1998); Phys.Atomic Nuclei 61, 1445 (1998)

C.Necheva, D.Kolev

Experimental Study of Excitation Functions and Isomeric Ratios for Some 3He-Induced Reactions on 93Nb Near the Coulomb Barrier

NUCLEAR REACTIONS, ICPND 93Nb(3He, X)96Tc/95Tc/95mTc/93mMo/92mNb/90Nb, E=4.5-19.5 MeV; measured production σ; deduced excitation functions, reaction mechanism features. Stacked-foil activation technique.

1997NE03      Appl.Radiat.Isot. 48, 807 (1997)

C.Necheva, D.Kolev

Excitation Functions of α-Induced Reactions on Gold for α-Particle Energies between 11 and 36 MeV

NUCLEAR REACTIONS, ICPND 197Au(α, γ), (α, n), (α, 2n), (α, 3n), (α, nα), (α, 3np), E ≤ 36 MeV; measured residuals production σ(E), isomers included in some cases. Activation technique. Exciton model analysis.

doi: 10.1016/S0969-8043(96)00277-1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0222.

1997RA33      Nucl.Phys. A626, 63c (1997)

B.Razen, M.Drochner, J.Ernst, S.Fortsch, L.Freindl, D.Frekers, W.Garske, K.Grewer, S.Igel, R.Jahn, L.Jarczyk, G.Kemmerling, K.Kilian, S.Kliczewski, W.Klimala, D.Kolev, T.Kutsarova, G.Lippert, H.Machner, R.Maier, Ch.Nake, P.von Rossen, K.Scho, R.Siudak, J.Smyrski, A.Strzalkowski, R.Tsenov, P.A.Zolnierczuk, K.Zwoll

pp → dπ+ Precise Angular Distributions Close to Threshold from 0.3 to 5 MeV

NUCLEAR REACTIONS 1H(p, dπ+), E at 789.9-800.5 MeV/c; measured σ, σ(θ), anisotropies.

doi: 10.1016/S0375-9474(97)00521-6
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0645.

1995KO56      Nucl.Instrum.Methods Phys.Res. A356, 390 (1995)

D.Kolev, E.Dobreva, N.Nenov, V.Todorov

A Convenient Method for Experimental Determination of Yields and Isomeric Ratios in Photonuclear Reactions Measured by the Activation Technique

NUCLEAR REACTIONS, ICPND In(γ, xn)110In/110mIn, 118Sn(γ, p)117In/117mIn, 119Sn(γ, np)117In/117mIn, 121Sb(γ, 2n2p)117In/117mIn, E=43 MeV bremsstrahlung; measured isomeric yield ratios. Activation technique, generalized exact formula used.

doi: 10.1016/0168-9002(94)01319-5
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0794.

1994NE02      J.Phys.(London) G20, L33 (1994)

Chr.Necheva, D.Kolev, M.Vlasarev

14.5 MeV Neutron Capture Cross-Section Measurements in 181Ta with Activation Technique

NUCLEAR REACTIONS 181Ta(n, γ), E=14.5 MeV; measured capture σ relative to σ(n, p), isomeric ratios. Activation technique.

doi: 10.1088/0954-3899/20/2/002
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31429.

1992KI17      Z.Phys. A341, 443 (1992)

A.Kirov, N.Nenoff, D.Kolev

Excitation Functions and Isomeric Ratios in the Reaction 130Te(α, xpyn) for α-Particle Energies between 15 and 37 MeV

NUCLEAR REACTIONS, ICPND 130Te(α, n), (α, p), (α, np), (α, nα), E=14.7-36.5 MeV; measured σ(E); deduced isomeric ratios. Equilibrium, preequilibrium models.

doi: 10.1007/BF01301388
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1027.

1992NE10      Acta Phys.Acad.Sci.Hung. 71, 171 (1992)

Chr.Necheva, N.Nenoff, M.Vlasarev, A.Kirov, D.Kolev

14.5-MeV Neutron Capture Cross-Section Measurements in 160Gd with Activation Technique

1980AB05      Z.Phys. A296, 65 (1980)

V.M.Abazov, M.Milanov, D.Kolev, N.Nenoff, B.Todorev

Nuclear Reactions Induced by Stopped Negative Pions in 133Cs, 93Nb and 45Sc

NUCLEAR REACTIONS 133Cs, 93Nb, 45Sc(π-, γ), 133Cs, 93Nb(π-, xnyp), E at rest; measured Eγ, Iγ, T1/2; deduced percentage yield per stopped pion for 129,127,125,123,122,121Xe, 132,131,130,128,126,124,123,121,120I, 92,91,90,89,88,87,86Zr, 92,91,90,89,88,87,86,85,84Y, 87,85Sr, 87,86,84,82,81Rb, 87Kr, 44,43,42K, 41Ar, 39,38,34Cl. 133Cs, 95Nb deduced mean neutron-emission number. 87,86Y deduced isomeric yield ratio. Statistical, cascade-evaporation model. 133Cs(π-, p), E at rest; measured yield; deduced reaction mechanism.

doi: 10.1007/BF01415616
Citations: PlumX Metrics

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