On the Knock-On Secondaries of Penetrating Particles

Brown, W.W.; Mckay, A. S.; Palmatier, E. D.

doi:10.1103/physrev.76.506

Cited by 34 publications

(4 citation statements)

References 4 publications

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“…This problem has been extensively studied for knock-on electrons due to muons in various substances. [7][8][9] The equilibrium problem in the interstellar gas is somewhat different from the laboratory experiments^described in Refs. 7 and 8 because of the absence of the cascading process in the interstellar gas and the enhanced ionization loss rate in the partially ionized hydrogen.…”

Section: Discussionmentioning

confidence: 99%

Wave Functions of Nonlocal Potentials: The Perey Effect

Austern

1965

Phys. Rev.

146

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An eigenfunction of an attractive nonlocal single-particle potential is always smaller inside the region of the potential than outside; the converse occurs for repulsive potentials. This is the Perey effect. In the present article explicit formulas for the effect are derived for the case of motion in one dimension, and interpretive discussions of the effect are given. The derivation does not employ series expansions. It is argued that the effect can be understood in terms of the fundamental many-body theory from which the single-particle potential has (in principle) been derived. Some of the wave function lies in the channels which have been eliminated in the course of that derivation.

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Section: Discussionmentioning

confidence: 99%

Wave Functions of Nonlocal Potentials: The Perey Effect

Austern

1965

Phys. Rev.

146

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“…Fortunately, the value of k is small: the observations of Hazen (1943), Brown et al (1949, 1950, Walker (1953), Wolfendale (1953) and Lovati et al (1954), and the calculations of Hereford (1949) all show that h is less than about 0.08-0-10 even for quite thick-walled counters; but the point is worth bearing in mind when the highest accuracy is being sought. T h e case of slow, heavily ionizing knock-on electrons is rather different as they would be detected with about 100°, efficiency by the counter, for practically any pressure, and so would tend to prevent the line in figure 11 from passing through the origin.…”

Section: Low Pressure Geiger Countersmentioning

confidence: 98%

“…Curves Ia and Ib take the absorption of Creenkov radiation by silver bromide into account. IIa, b : Calculated on two different assumptions regarding the widths of the absorption lines; T=5kev (Budini 1953).…”

Section: Photographic Platesmentioning

confidence: 99%

Ionization by Relativistic Particles

Price¹

1955

Rep. Prog. Phys.

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“…La plupart de ces gerbes pknktrantes sont probablement provoquees par les electrons de collision des rnksons. Elles representent 4.3% de I'intensitC de la composante verticale des mbons, valeur qui est du meme ordre que celle trouvee A I'aide d'autres methodes (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13). Pour les grands angles avec le zenith la frequence relative des gerbes penetrantes dCcroft et le nombre des gerbes laterales devient prkpond&rant.…”

Section: ~6 S U L Ta Ts Et Diecussionunclassified

Distribution Zenithale Du Rayonnement Cosmique

Voisin¹

1951

Can. J. Phys.

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Les mesures ont port6 sur la composante ptne'trante qui est surtout compos6e de mdsons p au niveau du sol. Beux bandes contigues ont 6th s6lectionn6es dans le spectre difi6rentiel; les impuisions des particules enregistrkes s'ktendent de 300 B $10 hlev./c et de 410 B 510 Mev./c pour des mdsons. La distribution de leur intensit6 a kt6 6tudike pour les angles au z6nith compris entre 0" et l$OO. Les rdsultats indiquent que la loi qui r6git la distribution &nithale des particules 6tudiCes est diff6rente de celle qui exprime la distribution z6nithale du spectre int6gral.(2) Absorption dans les parois des compteurs.--Cette absorption est calculable et represente environ 10yO du fond continu total. D'ailleurs, elk n'est pas un effet parasite et provoque de vkritables anti-coincidences.Can. J. Phys. Downloaded from www.nrcresearchpress.com by YORK UNIV on 11/20/14For personal use only.Etre manquees par les compteurs D. I1 est improbable qu'un kvenement de ce genre se produise avec une frequence suffisante pour alterer le resultat des mesures. RIais il n'en n'est pas de msme en ce qui concerne la diffusion dans le second &ran differentiel. Dans ce cas, meme une faible deviation des partiCan. J. Phys. Downloaded from www.nrcresearchpress.com by YORK UNIV on 11/20/14For personal use only.Les mesures par la rnkthode des anti-coincidences sont delicates dans le cas des angles 8 2 90" car, dans ces dernieres mesures, la tdlescope est aussi dCclench6 par les particules ayant des directions opposbes Q celles des particules Can. J. Phys. Downloaded from www.nrcresearchpress.com by YORK UNIV on 11/20/14For personal use only.

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On the Knock-On Secondaries of Penetrating Particles

Cited by 34 publications

References 4 publications

Wave Functions of Nonlocal Potentials: The Perey Effect

Wave Functions of Nonlocal Potentials: The Perey Effect

Ionization by Relativistic Particles

Distribution Zenithale Du Rayonnement Cosmique

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