Search results for: W.R. Lozowski

Items from 1 to 4 out of 4 results

article

Carbon micro-ribbon and strip polarimeter targets for the AGS and RHIC

W.R. Lozowski, D. Steski, H. Huang, C. Naylor

Nuclear Inst. and Methods in Physics Research, A > 2008 > 590 > 1-3 > 157-163

Current techniques used to produce carbon micro-ribbon targets 5μm wide×3.7–4.5μg/cm ² ×25-mm long will be described. Developmental emphasis was to provide nearly identical micro-ribbons with the minimum number of atoms per unit of length, and to position them within ±0.5mm of the desired location on C-shaped frames.The foil strip targets to be described were 200–600μm wide×3.7–4.5μg/cm ...

article

Possible observation of the 12 ⁺ [880] orbital in ² ⁴ ⁹ ₉ ₆ Cm

I. Ahmad, B.B. Back, R.R. Chasman, J.P. Greene, more

Nuclear Physics, Section A > 1999 > 646 > 2 VI A646 > 175-186

The position of the k ₁ ₇ ₂ shell orbital plays a significant role in determining the shell correction energy and hence the stability of the superheavy elements. A deformed component of this orbital, 12 ⁺ [880], comes down in energy with increasing prolate deformation, and is expected to have an excitation energy of less than 2 MeV in nuclei with N = 153. We have performed...

article

Preparation of a ⁶ Li ₀ _. ₇ ₄ Mg ₀ _. ₂ ₆ alloy target

W.R. Lozowski

Nuclear Inst. and Methods in Physics Research, A > 1997 > 397 > 1 > 46-51

For a neutron-lifetime experiment at the National Institute of Standards and Technology (NIST), an alloy of ⁶ Li and Mg was prepared as a disk 2.8 mm thick and 37.9 mm in diameter. Three-plus grams of a homogeneous alloy with a ⁶ Li content approaching 74 at%, a very low hydrogen content and a low oxygen content were required. A sealed stainless-steel crucible was used for the alloying,...

article

Thin Teflon film walls for a polarized-gas target cell

W.R. Lozowski, J. Hudson, W.A. Dezarn

Nuclear Inst. and Methods in Physics Research, A > 1995 > 362 > 1 > 189-193

Immersion coating, spray coating, stretching, and roll-reduction methods have been explored in work to produce pinhole-free films of Teflon that are 5 cm 30 cm in area and less than 500 μg/cm ² thick. A method to produce these films by rolling thicker, commercially available films will be described. The defining characteristics and limitations encountered with each of the other preparation...

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Keywords

2 0 8 PB(Α, 3 HE) (1)
2 3 2 TH(Α, 3 HE) (1)
2 4 9 CM DEDUCED LEVELS, J,Π (1)
NUCLEAR REACTIONS 2 4 8 CM(Α, 3 HE) (1)
ALLOY (1)
ANNEALING (1)
CARBON—C (1)
E = 98.5 MEV (1)
INDUCTION HEATING (1)
LITHIUM (1)
MAGNESIUM (1)
MEASURED Σ(Θ) (1)
MICRO-RIBBON TARGET (1)
ROLLING (1)
VACUUM DEPOSITION (1)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 21.10.PC (1)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 25.55.HP (1)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 27.90.+B (1)
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Search results for: W.R. Lozowski

Carbon micro-ribbon and strip polarimeter targets for the AGS and RHIC

Possible observation of the 12 ⁺ [880] orbital in ² ⁴ ⁹ ₉ ₆ Cm

Preparation of a ⁶ Li ₀ _. ₇ ₄ Mg ₀ _. ₂ ₆ alloy target

Thin Teflon film walls for a polarized-gas target cell

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INFONA - science communication portal

Search results for: W.R. Lozowski

Carbon micro-ribbon and strip polarimeter targets for the AGS and RHIC

Possible observation of the 12 + [880] orbital in 2 4 9 9 6 Cm

Preparation of a 6 Li 0 . 7 4 Mg 0 . 2 6 alloy target

Thin Teflon film walls for a polarized-gas target cell

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Possible observation of the 12 ⁺ [880] orbital in ² ⁴ ⁹ ₉ ₆ Cm

Preparation of a ⁶ Li ₀ _. ₇ ₄ Mg ₀ _. ₂ ₆ alloy target