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3.5 Ážd—ަ„¦¤ gamma acquisition and analysis ×¥„µ¦‡¨·Ë„œÈ °š‡´š gamma acquisition and
analysis œÁ—„r š°ž®¦º°‡¨·„Á¤µrœ start > programs > Genie-2000 > gamma acquisition and analysis
3.6 ž¦´ Áš¸¥¡¨´ŠŠµœ (energy calibration) ץčo®¨nŠ„εÁœ·—¦´Š¸¤µ˜¦“µœ (point source) °Š
60Co 137 Cs ¨³ 133Ba ު´—¦´ Š¸Â„¤¤µœ®´ªª´—¦´ Š¸ÂÁ‹°¦r¤µÁœ¸¥¤¦· » š›·Í Ž¹ÉŠÄoÁª¨µÄœ„µ¦ª´— 300 ª·œµš¸ ¨³
Á ¸ ¥œ„¦µ¢Áž¦¸ ¥Áš¸¥¡¨´ŠŠµœ ×¥—¼ ªnµ¡¸‡¼ Š»— °Š›µ˜»Â˜n ¨³˜´ª˜¦Š„´®¤µ¥Á¨ n °Š(channel) š¸ÉÁšn µÄ—
˜n°‹µ„œ´Êœ‹¹ŠÁ ¸¥œ„¦µ¢ž¦´Áš¸¥¡¨´ŠŠµœŽ¹É ŠÁž}œ„¦µ¢¦³®ªnµŠ¡¨´ŠŠµœ °Šµ¦„´¤¤´œ˜¦´ Š¸Â¨³®¤µ¥Á¨ n°Š
(channel number)
3.7 œÎµµ¦¤µ˜¦“µœ IAEA/RGU-1 IAEA/RGTh-1 KCl ¨³ IAEA/SL-2 ު´—Áž„˜¦´¤¡¨´ŠŠµœ
°Š¦´ Š¸Â„¤¤µÃ—¥Äo ®´ªª´—¦´ Š¸ÂÁ‹°¦r¤µÁœ¸¥¤¦· »š›·Í ץčo Áª¨µÄœ„µ¦˜¦ª‹ª´— 65,000 ª· œµš¸ ´ œš¹„Ÿ¨ ¨oª
‹¹Š®µž¦³·š›·£µ¡ °Š®´ªª´—¦´ Š¸ÂÁ‹°¦r¤µÁœ¸¥¤¦· »š›·Í (HPGe detector) ¨³¦³ª·Á‡¦µ³®r Â„¤¤µÁž„
ئÁ¤˜¦¸ ‡Îµœª–®µ‡nµ ¸—‹Îµ„´— °Š®´ªª´— ¨³šÎµ„µ¦ª´—Áž„˜¦´¤ °Š¡¨´ŠŠµœ °Š¦´Š¸Â„¤¤µ °Š˜´ª°¥n µŠ—·œ ×¥
˜n¨³˜´ª°¥nµŠÄoÁª¨µª´— 10,800 ª· œµš¸ ‹œ‡¦ 180 ˜´ª°¥nµŠ ´œš¹„Ÿ¨
3.8 šÎ µ„µ¦ª·Á‡¦µ³®r Áž„˜¦´¤¡¨´ ŠŠµœš¸Éŗo‹µ„„µ¦š—¨°ŠÁ¡ºÉ°‡Îµœª–®µ‡nµ„´¤¤´œ˜£µ¡¦´Š¸ ‡nµ
ž¦³·š›·£µ¡ °Š®´ªª´— ‡nµ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³ °Š˜´ª°¥nµŠ—·œ š´Ê Š 23 °ÎµÁ£° Ĝ‹´ Š®ª´—œ‡¦«¦¸ ›¦¦¤¦µš´Ê Š®¤—
¨³‡nµ ¸—‹Îµ„´— °Š„µ¦ª´— ¨oªšÎµ„µ¦‡Î µœª–‡nµš¸É nŠ¸Ê ‡ªµ¤Áž}œ°´œ˜¦µ¥˜nµŠÇ °Š„´¤¤´œ˜¦´Š¸Äœ›¦¦¤µ˜· ‡nµ
°´˜¦µž¦·¤µ–¦´Š¸—¼—„¨ºœÄœ°µ„µ« (absorbed dose rates in air) ‡n µ°´˜¦µž¦·¤µ–¦´Š¸š¸Éŗo ¦´˜n°že (annual effective
dose rates) ‡nµ„´¤¤´œ˜£µ¡¤¤¼¨Á¦Á—¸¥¤ (radium equivalent activity ; Ra eq) ¨³‡n µ—´œ¸‡ªµ¤Á¸É ¥Š °Š¦´Š¸£µ¥œ°„
(external hazard index ; H ex) ¦·Áª–š»„°ÎµÁ£° °Š‹´Š®ª´—‹´Š®ª´—œ‡¦«¦¸›¦¦¤¦µ˜n°Åž
4. ´Êœ˜°œ„µ¦žd—Á‡¦ºÉ°Š
4.1 ž¦´¨— high voltage ×¥„µ¦®¤»œž¦´‡nµ‡ªµ¤˜nµŠ«´„¥r Ä®o¨—¨Š°¥nµŠo µÇ ‹œ¤¸‡nµÁž}œ 0 ꨘr
‹µ„œ´Êœžd—ª·˜Žr high voltage
4.2 žd —ª·˜ŽrÁ‡¦ºÉ°Š MCA ¨oª‹¹Šžd—ަ„¦¤ gamma acquisition and analysis
4.3 žd —Á‡¦ºÉ°Š‡°¤¡·ªÁ˜°¦r ¨³žd—Á‡¦ºÉ°ŠÎµ¦°ŠÅ¢
Ÿ¨„µ¦ª·‹´¥Â¨³°£· ž¦µ¥Ÿ¨
‹µ„„µ¦˜¦ª‹ª´ —µ¦„´¤¤´œ˜£µ¡¦´Š¸š´ÊŠÄœÁ·Š‡»–£µ¡Â¨³ž¦· ¤µ–Äœ˜´ª°¥n µŠ—·œš´ÊŠ 23 °ÎµÁ£°Äœ¦·Áª–
‹´Š®ª´—œ‡¦«¦¸›¦¦¤¦µ ‹Îµœªœ 180 ˜´ª°¥n µŠ šÎµ„µ¦˜¦ª‹ª´—ץčo®´ ªª´—¦´ Š¸ÂÁ‹°¦r¤µÁœ¸¥¤¦· »š›·Í ¨³¦³
„µ¦ª· Á‡¦µ³®rÂ„¤¤µÁž„ئÁ¤˜¦¸ ץčo µ¦¤µ˜¦“µœ IAEA/RGU-1 IAEA/RGTh-1 KCl ¨³ IAEA/SL-2
ŗo šÎµ„µ¦˜¦ª‹ª´— ‡nµ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³Äœ®œnª¥ °Š Bq/kg °Šœ·ªÅ‡¨—r 40K 226 Ra 232 Th ¨³ 137Cs °Š˜´ ª°¥nµŠ
—·œ ¨³Å—o—Š„µ¦Áž¦¸¥Áš¸ ¥‡nµÁŒ¨¸É¥ °Š‡n µ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³Äœ®œn ª¥ °Š Bq/kg °Šœ·ªÅ‡¨—r 40K 226Ra
232 Th ¨³ 137Cs °Š˜´ ª°¥nµŠ—·œ 180 ˜´ª°¥n µŠš¸ÉÁ„ȝ‹µ„š» „˜Îµ¨Äœ 23 °ÎµÁ£° °Š‹´ Š®ª´—œ‡¦«¦¸›¦¦¤¦µ „´ o°¤¼¨
°ŠšµŠÎ µœ´„Šµœž¦¤µ–¼Á¡ºÉ°´œ˜·š¸É¤¸°¥¼n Ĝž¦³Áš«Åš¥ ¨³ o°¤¼¨ °Šœ´„ª·‹´¥š¸É ¤¸°¥¼n š´ÉªÃ¨„ —´ŠÂ—ŠÅªoĜ˜µ¦µŠš¸É
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‹µ„œ´ÊœœÎµ o°¤¼ ¨š¸Éª´—Å—o¤µ®µ‡nµÁŒ¨¸É¥„´ ¤¤´œ˜£µ¡‹Î µÁ¡µ³ °Šœ·ªÅ‡¨—r 226Ra 232Th ¨³ 40K Ĝ˜´ª°¥n µŠ—·œ
‹Îµœªœ 180 ˜´ ª°¥nµŠ‹µ„ 23 °Î µÁ£° °Š‹´Š®ª´ —œ‡¦«¦¸›¦¦¤¦µ ‡nµÁŒ¨¸É¥¦ª¤ °Š‡nµ„´¤¤´œ˜£µ¡‹ÎµÁ¡µ³š¸É čoĜ„µ¦