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Results 1 - 10
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44
Σc(2520) + MASS VALUE (MeV)
"... Seen in the Λ + c π ± mass spectrum. The natural assignment is that this is the J P = 3/2 + excitation of the Σc (2455), the charm counterpart of the Σ (1385), but neither J nor P has been measured. Σ c(2520) MASSES The masses are obtained from the mass-difference measurements that follow. Σc(2520) ..."
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Seen in the Λ + c π ± mass spectrum. The natural assignment is that this is the J P = 3/2 + excitation of the Σc (2455), the charm counterpart of the Σ (1385), but neither J nor P has been measured. Σ c(2520) MASSES The masses are obtained from the mass-difference measurements that follow. Σc(2520
Σc(2520) + MASS VALUE (MeV)
"... Seen in the Λ + c π ± mass spectrum. The natural assignment is that this is the J P = 3/2 + excitation of the Σc (2455), the charm counterpart of the Σ(1385), but neither J nor P has been measured. Σ c(2520) MASSES The masses are obtained from the mass-difference measurements that follow. Σc(2520) + ..."
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Seen in the Λ + c π ± mass spectrum. The natural assignment is that this is the J P = 3/2 + excitation of the Σc (2455), the charm counterpart of the Σ(1385), but neither J nor P has been measured. Σ c(2520) MASSES The masses are obtained from the mass-difference measurements that follow. Σc(2520
VALUE (MeV) DOCUMENT ID 2518.0±0.5 OUR FIT Σc(2520) MASS DIFFERENCES
"... Seen in the Λ+c π ± mass spectrum. The natural assignment is that this is the JP = 3/2+ excitation of the Σc (2455), the charm coun-terpart of the Σ (1385), but neither J nor P has been measured. Σc (2520) MASSES The masses are obtained from the mass-difference measurements that fol-low. Σc(2520) ..."
Abstract
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Seen in the Λ+c π ± mass spectrum. The natural assignment is that this is the JP = 3/2+ excitation of the Σc (2455), the charm coun-terpart of the Σ (1385), but neither J nor P has been measured. Σc (2520) MASSES The masses are obtained from the mass-difference measurements that fol-low. Σc(2520)
Photoproduction of pions and etas in nuclei ∗
, 1996
"... We calculate the cross sections for inclusive one-pion, two-pion and eta photoproduction in nuclei in the photon energy range from 300 MeV to 900 MeV within the framework of a semi-classical BUU transport model. Our results are compared with existing experimental data and discussed with respect to a ..."
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We calculate the cross sections for inclusive one-pion, two-pion and eta photoproduction in nuclei in the photon energy range from 300 MeV to 900 MeV within the framework of a semi-classical BUU transport model. Our results are compared with existing experimental data and discussed with respect
PAR
"... May we work conjointly with great energy, May our knowledge be resplendent; May we not mutually dispute; Let there be Peace in me; Let there be Peace in my environment; Let there be Peace in the forces that act on me.- Taittiriya Upanishad 2.2.2 ..."
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May we work conjointly with great energy, May our knowledge be resplendent; May we not mutually dispute; Let there be Peace in me; Let there be Peace in my environment; Let there be Peace in the forces that act on me.- Taittiriya Upanishad 2.2.2
Meson retardation in deuteron photodisintegration above π-threshold †
, 1997
"... Photodisintegration of the deuteron above π-threshold is studied in a coupled channel approach including N∆- and πd-channels with pion retardation in potentials and exchange currents. A much improved description of total and differential cross sections in the energy region between π-threshold and 40 ..."
Abstract
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Cited by 1 (0 self)
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-threshold and 400-450 MeV is achieved. PACS numbers: 21.45.+v, 13.40.-f, 25.20.-x I.
Evidence for a missing nucleon resonance in kaon photoproduction
, 2008
"... New SAPHIR p(γ,K +)Λ total cross section data show a resonance structure at a total c.m. energy around 1900 MeV. We investigate this feature with an isobar model and find that the structure can be well explained by including a new D13 resonance at 1895 MeV. Such a state has been predicted by a relat ..."
Abstract
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Cited by 7 (3 self)
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New SAPHIR p(γ,K +)Λ total cross section data show a resonance structure at a total c.m. energy around 1900 MeV. We investigate this feature with an isobar model and find that the structure can be well explained by including a new D13 resonance at 1895 MeV. Such a state has been predicted by a
Photoproduction of very light gluinos
- Phys. Rev. Lett
, 1994
"... Current experiments allow the possibility of gluino masses below about 600 MeV if the lifetime of the gluino is longer than 100 picoseconds. If the mass and lifetime are in this window, then photoproduction of pairs of gluino-gluon bound states can provide a means to observe them. The cross section ..."
Abstract
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Cited by 1 (0 self)
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Current experiments allow the possibility of gluino masses below about 600 MeV if the lifetime of the gluino is longer than 100 picoseconds. If the mass and lifetime are in this window, then photoproduction of pairs of gluino-gluon bound states can provide a means to observe them. The cross section
ISSN1330–0016 CODEN FIZBE7 LETTER TO THE EDITOR SEARCH FOR η-MESIC NUCLEI IN PHOTOPRODUCTION PROCESSES
, 1999
"... We present preliminary results of an experiment performed at the 1–GeV electron synchrotron of the Lebedev Physical Institute. Using the bremsstrahlung photon beam with the end-point energy of 650–850 MeV and the carbon target, corre-lated pi+n pairs with opening angle 〈θpiN 〉 = 180 ◦ and energies ..."
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〈Epi+ 〉 = 300 MeV, 〈En 〉 = 100 MeV have been observed. They arise from the process γ + 12C → N + η(A − 1) → N + pi +n + (A − 2) and provide evidence for the existence of 11ηB and 11ηC η-mesic nuclei. PACS numbers: 25.20.Lj, 24.30.Gd, 21.30.Fe UDC 539.126
The spin response of the deuteron and its implication for the Gerasimov-Drell-Hearn sum rule
"... The spin response of the deuteron, i.e., the asymmetry of photoabsorption with respect to parallel and antiparallel spins of photon and deuteron, is calculated allowing to explicitly evaluate the Gerasimov-Drell-Hearn sum rule by integration up to a photon energy of 550 MeV including contributions f ..."
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is about the same size than the sum of proton and neutron GDH values. It is only partially cancelled by the single pion production contribution. But the incoherent channel has not reached convergence at 550 MeV. PACS numbers: 11.55.Hx, 24.70.+s, 25.20.Dc, 25.20.Lj Typeset using REVT E X Supported
Results 1 - 10
of
44
