ÿþ<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html dir="ltr" xmlns="http://www.w3.org/1999/xhtml"> <!-- #BeginTemplate "../../master.dwt" --> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> <!-- #BeginEditable "doctitle" --> <title>Genius-TF</title> <!-- #EndEditable --> <link href="../../styles/style2.css" rel="stylesheet" type="text/css" /> <style type="text/css"> .style1 { color: #0000FF; } .style2 { color: #5F8EA9; text-decoration: underline; } .style3 { font-family: "Arial Black"; } .style4 { font-size: small; } a { color: #5F8EA9; } a:visited { color: #008080; } </style> </head> <body> <!-- Begin Container --> <div id="container"> <!-- Begin Masthead --> <div id="masthead"> <h1>Prof.Dr.H.V.Klapdor-Kleingrothaus</h1> <h3 align="center" class="style1"><font face="Helvetica">Teilchenphysik ohne Beschleuniger (Non Accelerator Particle Physics)</font></h3> <p><font class="style1">Experimental and theoretical research in the areas of <br /> <em>Double Beta Decay, Dark Matter Searches and Physics beyond the Standard Model</em></font></p> </div> <!-- End Masthead --> <!-- Begin Navigation --> <div id="navigation"> <ul> <li><a href="../../default.html">Home</a></li> <li><a href="../../about/about.htm">About</a></li> <li><a href="../../Results/Result.htm">Results</a></li> <li><a href="../../news/news.htm">News</a></li> <li><a href="../../Conferences/Conferences.htm">Conferences</a></li> <li><a href="../../photogallery/photogallery.htm">Photogallery</a></li> <li><a href="../../Publication&Books/Publications.htm">Publications&amp;Books</a></li> <li><a href="../../Talks/Talks.htm">Talks</a></li> <li><a href="../toe.htm">Experiments</a></li> <li><a href="../../information_links/information_links.htm">Links</a></li> <li><a href="../../contact/contact.htm">Contact</a></li> <li> <a href="http://51584841.de.strato-hosting.eu/cgi-bin/guestbook.php.cgi"> Guestbook</a></li> </ul> </div> <!-- End Navigation --> <!-- Begin Content --> <div id="content"> <!-- #BeginEditable "content" --> <center><font color="#000070"> &nbsp;</font><center> <table bgcolor="#ffff22" border="2" cols="1" nosave="" width="85%"> <tr align="center" nosave="" valign="CENTER"> <td><b><font color="blue" size="4">GENIUS-TF: A Test Facility for the GENIUS-Project</font> </b></td> </tr> </table> </center> <br> <a href="http://www.klapdor-k.de/Theory of Experiments/Geniustf/TFI.html"> <font color="green" size="4"> GENIUS-TF-I </font></a> <br> <br> <center> <table bgcolor="#ff0000" border="2" cols="1" height="10%" nosave="" width="95%"> <tr align="center" nosave="" valign="CENTER"> <td><b> <!--<font face="Helvetica" color="#">--> <font color="#ffff22" size="3"> The first four naked high-purity Germanium detectors were installed successfully in liquid nitrogen in the GENIUS-Test-Facility in the GRAN SASSO Underground Laboratory on May 5, 2003. This is the first time ever that this novel technique aiming at extreme background reduction in search for rare decays is going to be tested underground. First operational parameters are presented. </font> </b></td> </tr> </table> </center> <p></p> <center><a href="http://www.klapdor-k.de/Genius-tf.html"> <img height="40%" src="Gluekl-Team.gif" width="45%" /></a> </center> <center> <table bgcolor="yellow" border="2" cols="1" height="10%" nosave="" width="95%"> <tr align="center" nosave="" valign="CENTER"> <td><b> <!--<font face="Helvetica" color="#">--> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-490R7S3-1&amp;_user=41881&amp;_handle=W-WA-A-A-BAB-MsSAYZW-UUA-AUCEBUYWVY-AZAEUCWAE-BAB-U&amp;_fmt=full&amp;_coverDate=07%2F24%2F2003&amp;_rdoc=2&amp;_orig=browse&amp;_srch=%23toc%235314%239999%23999999999%2399999%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=49b97d090b55ed4c7f8c41ecc5d67703"> <font color="red" size="3"><em> The successful team after installation of the detectors, on May 5, 2003, GRAN SASSO, ITALY. <br /> From left to right: Irina Krivosheina,<br /> Hans Volker Klapdor-Kleingrothaus<br /> (Spokesman of the Heidelberg-Moscow experiment and also speaker of this collaboration), <br /> Claudia Tomei and Herbert Strecker from the Max Planck Institute for Nuclear Physics in Heidelberg. </em></font></a><br /> </b></td> </tr> </table> </center> <p></p> <center><a href="http://www.klapdor-k.de/Genius-tf.html"> <img height="30%" src="S4nack-det.jpg" width="30%" /></a> </center> <center> <table bgcolor="blue" border="2" cols="1" height="10%" nosave="" width="95%"> <tr align="center" nosave="" valign="CENTER"> <td><b> <!--<font face="Helvetica" color="#">--> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-490R7S3-1&amp;_user=41881&amp;_handle=W-WA-A-A-BAB-MsSAYZW-UUA-AUCEBUYWVY-AZAEUCWAE-BAB-U&amp;_fmt=full&amp;_coverDate=07%2F24%2F2003&amp;_rdoc=2&amp;_orig=browse&amp;_srch=%23toc%235314%239999%23999999999%2399999%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=49b97d090b55ed4c7f8c41ecc5d67703"> <font color="white" size="3"> The first contacted four naked detectors in the low-level holder in which they are put into the shielded liquid nitrogen container of GENIUS-TF. </font></a><br /> </b></td> </tr> </table> </center> <p></p> <center><a href="http://www.klapdor-k.de/Genius-tf.html"> <img height="30%" src="GeniusTF_setup.jpg" width="30%" /></a> </center> <center> <table bgcolor="green" border="2" cols="1" height="10%" nosave="" width="95%"> <tr align="center" nosave="" valign="CENTER"> <td><b> <!--<font face="Helvetica" color="#">--> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-490R7S3-1&amp;_user=41881&amp;_handle=W-WA-A-A-BAB-MsSAYZW-UUA-AUCEBUYWVY-AZAEUCWAE-BAB-U&amp;_fmt=full&amp;_coverDate=07%2F24%2F2003&amp;_rdoc=2&amp;_orig=browse&amp;_srch=%23toc%235314%239999%23999999999%2399999%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=49b97d090b55ed4c7f8c41ecc5d67703"> <font color="white" size="3"><em> Cross section of the setup (GENIUS-TF-I). </em></font></a><br /> </b></td> </tr> </table> </center> <p></p> <center><a href="http://www.klapdor-k.de/Genius-tf.html"> <img height="25%" src="Det1-1Sp-G-TF.jpeg" width="25%" /> <img height="25%" src="BkgN2.jpeg" width="25%" /></a> </center><center> <table bgcolor="red" border="2" cols="1" height="10%" nosave="" width="95%"> <tr align="center" nosave="" valign="CENTER"> <td><b> <!--<font face="Helvetica" color="#">--> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-490R7S3-1&amp;_user=41881&amp;_handle=W-WA-A-A-BAB-MsSAYZW-UUA-AUCEBUYWVY-AZAEUCWAE-BAB-U&amp;_fmt=full&amp;_coverDate=07%2F24%2F2003&amp;_rdoc=2&amp;_orig=browse&amp;_srch=%23toc%235314%239999%23999999999%2399999%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=49b97d090b55ed4c7f8c41ecc5d67703"> <font color="white" size="3"> Figs. show two spectra measured a few days after installation. A first spectrum measured with a <sup>60</sup>Co source <em>outside</em> the setup, and the <sup> 133</sup>Ba source <em>inside</em>. The resolution at this moment (two days after installation) is 3 keV in the 1330 keV region. The first background spectrum measured with detector 2 over 40 hours without shield of the setup to the top. </font></a><br /> </b></td> </tr> </table> </center> <br> <center> <table bgcolor="white" border="2" cols="1" height="10%" nosave="" widt="85%"> <tr align="center" nosave="" valign="CENTER"> <td><b> <!--<font face="Helvetica" color="#">--> <a href="http://www.klapdor-k.de/Genius-Tf-gr.html"> <font color="green" size="4"> Collaboration for GENIUS-TF </font></a><br /> </b></td> </tr> </table> </center> <br> <h3> Design of the GENIUS-TF setup. The HPGe crystals are located inside a polystyrene box, which is serving as the liquid nitrogen dewar. To minimize the influence of the intrinsic polystyrene impurities, an additional inner shielding layer of zone-refined Germanium is used. The box is surrounded by a subsequent layer of low-level lead or copper which is enclosed in a borated polyethylene shield. </h3> <spacer type="vertical" size="10"> <center><a href="http://www.klapdor-k.de/Genius-tf.html"> <img height="25%" src="genius_tf_scheme.jpeg" width="25%" /></a> </center> <p> <spacer type="vertical" size="30"> </p> <h4> We propose to install a setup with up to <font color="#007000" face="Helvetica">14 HPGe-detectors </font> corresponding to an active mass of <font color="#900000" face="Helvetica">~ 40 kg </font>on small scale. The 14 detectors would provide one module (or a modular part) of the final support structure for GENIUS. The desing is shown in Figure. </h4> <p>The background considerations and simulations suggest that <font color="#009000" face="Helvetica">a reduction of the background by a factor of ~ 5 </font>with respect to the HEIDELBERG-MOSCOW experiment can be attained with the proposed setup. This would lead to a background index of <font color="#ff0090" face="Helvetica">~ 4 counts/(kg keV y)</font> for the GENIUS-TF. </p> <h4></h4> <p></p> <center> <table bgcolor="#ffff99" border="2" cols="1" height="20%" nosave="" width="90%"> <tr align="center" nosave="" valign="CENTER"> <td><b><font color="#ff0090" face="Helvetica" size="3"> The GENIUS-TF could clearly identify the annual modulation signature favored by the recent DAMA data within some years. </font></b></td> </tr> </table> </center> <p></p> <h3><em> For more information, please look into articles: </em></h3> <!--<img src="redball.gif"> --> <h3><font color="#008000"> H.V. Klapdor-Kleingrothaus <br /> <font color="red"> <a href="http://www.cerncourier.com/main/article/43/6/7"> " 'Naked' crystals go underground" </a>,</font> <em>hep-ph/</em> /0307???,<br /> <font color="red"> CERN CUERIER 43, Number 6 , Page 9 (2003) </font></font></h3> <hr> <h3> <font color="#008000"> H.V. Klapdor-Kleingrothaus, I. V. Krivosheina, H. Strecker and C. Tomei <br> <font color="red"> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-490R7S3-1&amp;_user=41881&amp;_handle=W-WA-A-A-BAB-MsSAYZW-UUA-AUCEBUYWVY-AZAEUCWAE-BAB-U&amp;_fmt=full&amp;_coverDate=07%2F24%2F2003&amp;_rdoc=2&amp;_orig=browse&amp;_srch=%23toc%235314%239999%23999999999%2399999%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=49b97d090b55ed4c7f8c41ecc5d67703"> "First 10 kg of naked Germanium detectors in liquid nitrogen installed in the GENIUS-Test-Facility" </a>,<br /> </font><em>hep-ph/</em> /0307???, <font color="red">Nucl. Instrum. Meth. A 511, Issue 3 (2003) 341-346 </font></font></h3> <hr> <h3> <font color="#008000"> H.V. Klapdor-Kleingrothaus and C. Tomei<br /> <font color="red"> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-48MYFXX-3&amp;_user=41881&amp;_handle=W-WA-A-A-BE-MsSAYWA-UUA-AUCEWWYZEZ-AZUAEUYBA-BE-U&amp;_fmt=full&amp;_coverDate=08%2F11%2F2003&amp;_rdoc=12&amp;_orig=browse&amp;_srch=%23toc%235314%232003%23994919996%23441484%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=5fd590d2654db65849179b27a342595d"> <sup>85</sup>Kr and <sup>39</sup>Ar Background in GENIUS&quot;</a>,</font> <em>hep-ph/</em>0306258, <font color="red"> <br> Nucl. Instrum. Meth. A 508, Issue 3 (2003) 337-342 </font></font></h3> <hr> <h3> <font color="#008000"> C. Tomei, A. Dietz, I. Krivosheina and H.V. Klapdor-Kleingrothaus <br /> <font color="red"> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-48NS43C-5&amp;_user=41881&amp;_handle=W-WA-A-A-BE-MsSAYWA-UUA-AUCEWWYZEZ-AZUAEUYBA-BE-U&amp;_fmt=full&amp;_coverDate=08%2F11%2F2003&amp;_rdoc=13&amp;_orig=browse&amp;_srch=%23toc%235314%232003%23994919996%23441484%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=0dd64a58c358bcb390c3d145be8e9474"> &quot;Searching for the Annual Modulation of Dark Matter Signal with the GENIUS-TF Experiment&quot; </a>,</font> <em>hep-ph/</em> 0306257, <font color="red"> <br /> Nucl. Instrum. Meth. A 508, Issue 3 (2003) 343 - 352 </font></font></h3> <hr> <h3> <font color="#008000"> T. Kihm, V.F. Bobrakov, H.V. Klapdor-Kleingrothaus <br /> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TJM-47NF0WS-1&amp;_user=41881&amp;_handle=W-WA-A-A-VZ-MsSAYWA-UUW-AUCEAEBVCD-ACEZBUDBY-VZ-U&amp;_fmt=full&amp;_coverDate=02%2F11%2F2003&amp;_rdoc=24&amp;_orig=browse&amp;_srch=%23toc%235314%232003%23995019998%23392487%21&amp;_cdi=5314&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=8da5db863cce16e3ceaca6fc074f8997"> "A digital multi-channel spectroscopy system with 100 MHz flash ADC module for the GENIUS-TF and GENIUS projects" </a>, hep-ph/0302236, <font color="red"><em> <br /> Nucl. Instrum. Meth. </em>A 498 (2002) 334-339 </font> </font></h3> <hr> <h3><font color="#008000"> H.V. Klapdor-Kleingrothaus <br /> <a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6TVD-4657F0R-8&amp;_coverDate=07%2F31%2F2002&amp;_alid=104693943&amp;_rdoc=1&amp;_fmt=&amp;_orig=search&amp;_qd=1&amp;_cdi=5532&amp;_sort=d&amp;view=c&amp;_acct=C000002578&amp;_version=1&amp;_urlVersion=0&amp;_userid=41881&amp;md5=ec3fcce9d05126673dbfdd96a760660a"> "Search for Dark Matter by GENIUS-TF and GENIUS" </a><br> hep-ph/0206250, <font color="red"><em> Nucl. Phys. Proc. Suppl.</em> 110 (2002) 58 - 60 </font> </font></h3> <hr> <h3><font color="#008000"> H.V. Klapdor-Kleingrothaus, L. Baudis, A. Dietz, G. Heusser, B. Majorovits, H. Strecker, <a href="http://www.elsevier.com/gej-ng/10/33/34/160/27/42/abstract.htm"> "GENIUS-TF: A TEST FACILITY FOR THE GENIUS PROJECT" </a>hep-ex/0012022, <br /> <font color="red"><em>Nucl. Instrum. Meth. </em>A 481 (2002) 149-159 <br /> </font></font></h3> <hr> <h3><font color="#008000"> H.V. Klapdor-Kleingrothaus, L. Baudis, A. Dietz, G. Heusser, I. Krivosheina, B. Majorovits, H. Strecker , H. Tu, S.T. Belyaev, V.I. Lebedev and coworkers "GENIUS-TF: A TEST FACILITY for the GENIUS-Project", MPI - REPORT (2000) </font></h3> <center> <img alt="" height="51" src="../../images/constr.gif" width="482" /><font color="#008000"> </font></center><font color="#008000"><spacer type="vertical" size="30"> <a href="http://www.klapdor-k.de/Theory of Experiments/Geniustf/TFII.html"> <font color="green" size="4"> GENIUS-TF-III </font></a><br /> <a href="http://www.klapdor-k.de/Theory of Experiments/Geniustf/TFII.html"> <font color="green" size="4"> GENIUS-TF-II </font></a><br /> </font> <h4><font color="#008000">Please ask for the <a href="http://www.klapdor-k.de/Papers/prop.ps.gz">GENIUS proposal</a>. We would be happy to send you a hardcopy.</font></h4> <center><font color="#008000"> &nbsp;</font></center><hr /> <address> <font color="#008000"><a href="mailto:irina@gustav.mpi-hd.mpg.de"> I.Krivosheina</a></font></address> <font color="#008000">Last Modification: 26.08.2009 <spacer type="horizontal" size="120"> Created: 20/10/2000 <!-- hhmts end --> </font> <!-- #EndEditable "content" --></div> <!-- End Content --> <!-- Begin Footer --> <div id="footer"> <p class="style3"><span class="style4"><a href="../../default.html">Home</a> | <a href="../../about/aout.htm">About |</a> <span class="style2"><a href="../../Publication&Books/Publications.htm">Books</a></span> | <a href="../../news/news.htm">News</a> | <a href="../../Publication&Books/Publications.htm"><span class="style2"> Publications</span></a> | <a href="../../Conferences/Conferences.htm">Conferences |</a><a href="../../photogallery/photogallery.htm"> Photogallery |</a> <a href="../toe.htm"> Experiments</a> | <a href="../../Talks/Talks.htm"><span class="style2">Talks</span></a> | <a href="../../information_links/information_links.htm">Links</a> | </span> <a href="../../contact/contact.htm"> <span class="style4">Contact</span></a></p> </div> <!-- End Footer --></div> <!-- End Container --> </body> <!-- #EndTemplate --> </html>