Effect of cosmic rays on the resonant gravitational wave detector NAUTILUS at temperature T=1.5 K

被引：31

作者：

Astone, P ^{[1
]}

Babusci, D

Bassan, M

Bonifazi, P

Carelli, P

Coccia, E

D'Antonio, S

Fafone, V

Giordano, G

Marini, A

Mazzitelli, G

Minenkov, Y

Modena, I

Modestino, G

Moleti, A

Pallottini, GV

Pizzella, G

Quintieri, L

Rocchi, A

Ronga, F

Terenzi, R

Visco, M

机构：

[1] Ist Nazl Fis Nucl, Rome 1, Italy

[2] Ist Nazl Fis Nucl, LNF, Frascati, Italy

[3] Univ Roma Tor Vergata, Rome 2, Italy

[4] Ist Nazl Fis Nucl, Rome 2, Italy

[5] CNR, IFSI, Rome, Italy

[6] Ist Nazl Fis Nucl, Rome, Italy

[7] Univ LAquila, Rome 2, Italy

[8] Univ Roma La Sapienza, Rome 1, Italy

[9] Univ Roma Tor Vergata, Frascati, Italy

来源：

PHYSICS LETTERS B | 2002年 / 540卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(02)02143-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The interaction between cosmic rays and the gravitational wave bar detector NAUTILUS is experimentally studied with the aluminum bar at temperature of T = 1.5 K. The results are compared with those obtained in the previous runs when the bar was at T = 0.14 K. The results of the run at T = 1.5 K are in agreement with the thermo-acoustic model; no large signals at unexpected rate are noticed, unlike the data taken in the run at T = 0.14 K. The observations suggest a larger efficiency in the mechanism of conversion of the particle energy into vibrational mode energy when the aluminum bar is in the superconductive status. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：179 / 184

页数：6

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