A 70Mev racetrack microtron

Shvedunov, V.I.; Ermakov, A. N.; Gribov, I.V.; Knapp, E.A.; Novikov, G.A.; Pakhomov, N. I.; Shvedunov, I.V.; Skachkov, V.S.; Sobenin, N.P.; Trower, W.P.; Yajlijan, V.R.

doi:10.1016/j.nima.2005.04.079

Cited by 25 publications

(9 citation statements)

References 8 publications

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“…[26][27][28][29]. The experiment was performed using bremsstrahlung radiation produced by the 70-MeV race-track microtron of the Skobeltsyn Institute of Nuclear Physics of the Moscow State University [30] at the electron energies T = 19.5, 29.1, 48.3, and 67.7 MeV. A 0.2-mm-thick aluminum disk (100 mm in diameter), onto which a 1-mg cm −2 -thick film of natural uranium was deposited, was used as a target.…”

Section: A Experimental Setupmentioning

confidence: 99%

Mass yield distributions and fission modes in photofission ofU238below 20 MeV

et al. 2015

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Photon activation technique is used to obtain photofission mass distributions of 238 U after irradiation in a bremsstrahlung beam with end-point energies 19.5, 29.1, 48.3, and 67.7 MeV. The weights of the symmetric (SL) and asymmetric (STI and STII) modes in the mass distributions of photofission of 238 U and neutron-induced fission of 235,238 U at the average excitation energies of up to 20 MeV are calculated on the basis of the obtained results and other available data. The weight of the SL mode increases by about an order of magnitude as the average excitation energy increases from 8.5 to 17 MeV, while the weight of the STI mode decreases by two times, and the weight of the STII mode slightly increases. It is shown that the peak-to-valley ratios in photofission of 238 U and neutron-induced fission of 235 U are very close across almost the whole studied energy range. A similar conclusion is made concerning the behavior of asymmetric and symmetric fission modes in photofission of 238 U and neutron-induced fission of 235 U and 238 U.

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Section: A Experimental Setupmentioning

confidence: 99%

Mass yield distributions and fission modes in photofission ofU238below 20 MeV

et al. 2015

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“…The values of the phase j n in Eq. (70) are then calculated from the recurrence relations (16) and (17). For the two examples considered above we obtain the following results.…”

Section: Numerical Solutionmentioning

confidence: 87%

“…Combining Eqs. (9), (10) and (16), (17) one readily arrives at the following system of difference equations:…”

Section: Synchronous Particlementioning

confidence: 99%

“…(16) and (17). Subtracting from them the equations for the synchronous solution (j n ;Ẽ n ) we obtain the following recurrence relations:…”

Section: Critical Energy and Stability Of Oscillationsmentioning

confidence: 99%

“…If initially the beam is non-relativistic and is generated by an electron gun, then, as it was explained before, the injection energy is understood as the beam energy after the first passage through the AS. It is defined by the accelerating field amplitude and in practice cannot be changed [17]. In this case, it is more appropriate to consider the distance between the end magnets as the second free tuning parameter.…”

Section: Analytic Approachmentioning

confidence: 99%

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